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IFS=" "" $as_nl" # Save into config.log some information that might help in debugging. { echo printf "%s\n" "## ---------------- ## ## Cache variables. ## ## ---------------- ##" echo # The following way of writing the cache mishandles newlines in values, ( for ac_var in `(set) 2>&1 | sed -n '\''s/^\([a-zA-Z_][a-zA-Z0-9_]*\)=.*/\1/p'\''`; do eval ac_val=\$$ac_var case $ac_val in #( *${as_nl}*) case $ac_var in #( *_cv_*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: cache variable $ac_var contains a newline" >&5 printf "%s\n" "$as_me: WARNING: cache variable $ac_var contains a newline" >&2;} ;; esac case $ac_var in #( _ | IFS | as_nl) ;; #( BASH_ARGV | BASH_SOURCE) eval $ac_var= ;; #( *) { eval $ac_var=; unset $ac_var;} ;; esac ;; esac done (set) 2>&1 | case $as_nl`(ac_space='\'' '\''; set) 2>&1` in #( *${as_nl}ac_space=\ *) sed -n \ "s/'\''/'\''\\\\'\'''\''/g; s/^\\([_$as_cr_alnum]*_cv_[_$as_cr_alnum]*\\)=\\(.*\\)/\\1='\''\\2'\''/p" ;; #( *) sed -n "/^[_$as_cr_alnum]*_cv_[_$as_cr_alnum]*=/p" ;; esac | sort ) echo printf "%s\n" "## ----------------- ## ## Output variables. ## ## ----------------- ##" echo for ac_var in $ac_subst_vars do eval ac_val=\$$ac_var case $ac_val in *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; esac printf "%s\n" "$ac_var='\''$ac_val'\''" done | sort echo if test -n "$ac_subst_files"; then printf "%s\n" "## ------------------- ## ## File substitutions. ## ## ------------------- ##" echo for ac_var in $ac_subst_files do eval ac_val=\$$ac_var case $ac_val in *\'\''*) ac_val=`printf "%s\n" "$ac_val" | sed "s/'\''/'\''\\\\\\\\'\'''\''/g"`;; esac printf "%s\n" "$ac_var='\''$ac_val'\''" done | sort echo fi if test -s confdefs.h; then printf "%s\n" "## ----------- ## ## confdefs.h. ## ## ----------- ##" echo cat confdefs.h echo fi test "$ac_signal" != 0 && printf "%s\n" "$as_me: caught signal $ac_signal" printf "%s\n" "$as_me: exit $exit_status" } >&5 rm -f core *.core core.conftest.* && rm -f -r conftest* confdefs* conf$$* $ac_clean_files && exit $exit_status ' 0 for ac_signal in 1 2 13 15; do trap 'ac_signal='$ac_signal'; as_fn_exit 1' $ac_signal done ac_signal=0 # confdefs.h avoids OS command line length limits that DEFS can exceed. rm -f -r conftest* confdefs.h printf "%s\n" "/* confdefs.h */" > confdefs.h # Predefined preprocessor variables. printf "%s\n" "#define PACKAGE_NAME \"$PACKAGE_NAME\"" >>confdefs.h printf "%s\n" "#define PACKAGE_TARNAME \"$PACKAGE_TARNAME\"" >>confdefs.h printf "%s\n" "#define PACKAGE_VERSION \"$PACKAGE_VERSION\"" >>confdefs.h printf "%s\n" "#define PACKAGE_STRING \"$PACKAGE_STRING\"" >>confdefs.h printf "%s\n" "#define PACKAGE_BUGREPORT \"$PACKAGE_BUGREPORT\"" >>confdefs.h printf "%s\n" "#define PACKAGE_URL \"$PACKAGE_URL\"" >>confdefs.h # Let the site file select an alternate cache file if it wants to. # Prefer an explicitly selected file to automatically selected ones. if test -n "$CONFIG_SITE"; then ac_site_files="$CONFIG_SITE" elif test "x$prefix" != xNONE; then ac_site_files="$prefix/share/config.site $prefix/etc/config.site" else ac_site_files="$ac_default_prefix/share/config.site $ac_default_prefix/etc/config.site" fi for ac_site_file in $ac_site_files do case $ac_site_file in #( */*) : ;; #( *) : ac_site_file=./$ac_site_file ;; esac if test -f "$ac_site_file" && test -r "$ac_site_file"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading site script $ac_site_file" >&5 printf "%s\n" "$as_me: loading site script $ac_site_file" >&6;} sed 's/^/| /' "$ac_site_file" >&5 . "$ac_site_file" \ || { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "failed to load site script $ac_site_file See \`config.log' for more details" "$LINENO" 5; } fi done if test -r "$cache_file"; then # Some versions of bash will fail to source /dev/null (special files # actually), so we avoid doing that. DJGPP emulates it as a regular file. if test /dev/null != "$cache_file" && test -f "$cache_file"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: loading cache $cache_file" >&5 printf "%s\n" "$as_me: loading cache $cache_file" >&6;} case $cache_file in [\\/]* | ?:[\\/]* ) . "$cache_file";; *) . "./$cache_file";; esac fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 printf "%s\n" "$as_me: creating cache $cache_file" >&6;} >$cache_file fi # Test code for whether the C compiler supports C89 (global declarations) ac_c_conftest_c89_globals=' /* Does the compiler advertise C89 conformance? Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (p, i) char **p; int i; { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. It is necessary to write \x00 == 0 to get something that is true only with -std. */ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters inside strings and character constants. */ #define FOO(x) '\''x'\'' int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), int, int);' # Test code for whether the C compiler supports C89 (body of main). ac_c_conftest_c89_main=' ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); ' # Test code for whether the C compiler supports C99 (global declarations) ac_c_conftest_c99_globals=' // Does the compiler advertise C99 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L # error "Compiler does not advertise C99 conformance" #endif #include extern int puts (const char *); extern int printf (const char *, ...); extern int dprintf (int, const char *, ...); extern void *malloc (size_t); // Check varargs macros. These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" # Test code for whether the C++ compiler supports C++98 (global declarations) ac_cxx_conftest_cxx98_globals=' // Does the compiler advertise C++98 conformance? #if !defined __cplusplus || __cplusplus < 199711L # error "Compiler does not advertise C++98 conformance" #endif // These inclusions are to reject old compilers that // lack the unsuffixed header files. #include #include // and are *not* freestanding headers in C++98. extern void assert (int); namespace std { extern int strcmp (const char *, const char *); } // Namespaces, exceptions, and templates were all added after "C++ 2.0". using std::exception; using std::strcmp; namespace { void test_exception_syntax() { try { throw "test"; } catch (const char *s) { // Extra parentheses suppress a warning when building autoconf itself, // due to lint rules shared with more typical C programs. assert (!(strcmp) (s, "test")); } } template struct test_template { T const val; explicit test_template(T t) : val(t) {} template T add(U u) { return static_cast(u) + val; } }; } // anonymous namespace ' # Test code for whether the C++ compiler supports C++98 (body of main) ac_cxx_conftest_cxx98_main=' assert (argc); assert (! argv[0]); { test_exception_syntax (); test_template tt (2.0); assert (tt.add (4) == 6.0); assert (true && !false); } ' # Test code for whether the C++ compiler supports C++11 (global declarations) ac_cxx_conftest_cxx11_globals=' // Does the compiler advertise C++ 2011 conformance? #if !defined __cplusplus || __cplusplus < 201103L # error "Compiler does not advertise C++11 conformance" #endif namespace cxx11test { constexpr int get_val() { return 20; } struct testinit { int i; double d; }; class delegate { public: delegate(int n) : n(n) {} delegate(): delegate(2354) {} virtual int getval() { return this->n; }; protected: int n; }; class overridden : public delegate { public: overridden(int n): delegate(n) {} virtual int getval() override final { return this->n * 2; } }; class nocopy { public: nocopy(int i): i(i) {} nocopy() = default; nocopy(const nocopy&) = delete; nocopy & operator=(const nocopy&) = delete; private: int i; }; // for testing lambda expressions template Ret eval(Fn f, Ret v) { return f(v); } // for testing variadic templates and trailing return types template auto sum(V first) -> V { return first; } template auto sum(V first, Args... rest) -> V { return first + sum(rest...); } } ' # Test code for whether the C++ compiler supports C++11 (body of main) ac_cxx_conftest_cxx11_main=' { // Test auto and decltype auto a1 = 6538; auto a2 = 48573953.4; auto a3 = "String literal"; int total = 0; for (auto i = a3; *i; ++i) { total += *i; } decltype(a2) a4 = 34895.034; } { // Test constexpr short sa[cxx11test::get_val()] = { 0 }; } { // Test initializer lists cxx11test::testinit il = { 4323, 435234.23544 }; } { // Test range-based for int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; for (auto &x : array) { x += 23; } } { // Test lambda expressions using cxx11test::eval; assert (eval ([](int x) { return x*2; }, 21) == 42); double d = 2.0; assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0); assert (d == 5.0); assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0); assert (d == 5.0); } { // Test use of variadic templates using cxx11test::sum; auto a = sum(1); auto b = sum(1, 2); auto c = sum(1.0, 2.0, 3.0); } { // Test constructor delegation cxx11test::delegate d1; cxx11test::delegate d2(); cxx11test::delegate d3(45); } { // Test override and final cxx11test::overridden o1(55464); } { // Test nullptr char *c = nullptr; } { // Test template brackets test_template<::test_template> v(test_template(12)); } { // Unicode literals char const *utf8 = u8"UTF-8 string \u2500"; char16_t const *utf16 = u"UTF-8 string \u2500"; char32_t const *utf32 = U"UTF-32 string \u2500"; } ' # Test code for whether the C compiler supports C++11 (complete). ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals} ${ac_cxx_conftest_cxx11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} ${ac_cxx_conftest_cxx11_main} return ok; } " # Test code for whether the C compiler supports C++98 (complete). ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} return ok; } " as_fn_append ac_header_cxx_list " vfork.h vfork_h HAVE_VFORK_H" as_fn_append ac_func_cxx_list " fork HAVE_FORK" as_fn_append ac_func_cxx_list " vfork HAVE_VFORK" # Auxiliary files required by this configure script. ac_aux_files="install-sh config.guess config.sub" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." # Search for a directory containing all of the required auxiliary files, # $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. # If we don't find one directory that contains all the files we need, # we report the set of missing files from the *first* directory in # $ac_aux_dir_candidates and give up. ac_missing_aux_files="" ac_first_candidate=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 as_save_IFS=$IFS; IFS=$PATH_SEPARATOR as_found=false for as_dir in $ac_aux_dir_candidates do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac as_found=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 ac_aux_dir_found=yes ac_install_sh= for ac_aux in $ac_aux_files do # As a special case, if "install-sh" is required, that requirement # can be satisfied by any of "install-sh", "install.sh", or "shtool", # and $ac_install_sh is set appropriately for whichever one is found. if test x"$ac_aux" = x"install-sh" then if test -f "${as_dir}install-sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 ac_install_sh="${as_dir}install-sh -c" elif test -f "${as_dir}install.sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 ac_install_sh="${as_dir}install.sh -c" elif test -f "${as_dir}shtool"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 ac_install_sh="${as_dir}shtool install -c" else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} install-sh" else break fi fi else if test -f "${as_dir}${ac_aux}"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" else break fi fi fi done if test "$ac_aux_dir_found" = yes; then ac_aux_dir="$as_dir" break fi ac_first_candidate=false as_found=false done IFS=$as_save_IFS if $as_found then : else $as_nop as_fn_error $? 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(We need to link with -pthreads/-mt/ # -lpthread.) (The stubs are missing pthread_cleanup_push, or rather # a function called by this macro, so we could check for that, but # who knows whether they'll stub that too in a future libc.) So, # we'll just look for -pthreads and -lpthread first: ax_pthread_flags="-pthreads pthread -mt -pthread $ax_pthread_flags" ;; darwin*) ax_pthread_flags="-pthread $ax_pthread_flags" ;; esac if test x"$ax_pthread_ok" = xno; then for flag in $ax_pthread_flags; do case $flag in none) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether pthreads work without any flags" >&5 printf %s "checking whether pthreads work without any flags... " >&6; } ;; -*) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether pthreads work with $flag" >&5 printf %s "checking whether pthreads work with $flag... " >&6; } PTHREAD_CFLAGS="$flag" ;; pthread-config) # Extract the first word of "pthread-config", so it can be a program name with args. set dummy pthread-config; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_ax_pthread_config+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$ax_pthread_config"; then ac_cv_prog_ax_pthread_config="$ax_pthread_config" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_ax_pthread_config="yes" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS test -z "$ac_cv_prog_ax_pthread_config" && ac_cv_prog_ax_pthread_config="no" fi fi ax_pthread_config=$ac_cv_prog_ax_pthread_config if test -n "$ax_pthread_config"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_config" >&5 printf "%s\n" "$ax_pthread_config" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi if test x"$ax_pthread_config" = xno; then continue; fi PTHREAD_CFLAGS="`pthread-config --cflags`" PTHREAD_LIBS="`pthread-config --ldflags` `pthread-config --libs`" ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for the pthreads library -l$flag" >&5 printf %s "checking for the pthreads library -l$flag... " >&6; } PTHREAD_LIBS="-l$flag" ;; esac save_LIBS="$LIBS" save_CFLAGS="$CFLAGS" LIBS="$PTHREAD_LIBS $LIBS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # Check for various functions. We must include pthread.h, # since some functions may be macros. (On the Sequent, we # need a special flag -Kthread to make this header compile.) # We check for pthread_join because it is in -lpthread on IRIX # while pthread_create is in libc. We check for pthread_attr_init # due to DEC craziness with -lpthreads. We check for # pthread_cleanup_push because it is one of the few pthread # functions on Solaris that doesn't have a non-functional libc stub. # We try pthread_create on general principles. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include static void routine(void *a) { a = 0; } static void *start_routine(void *a) { return a; } int main (void) { pthread_t th; pthread_attr_t attr; pthread_create(&th, 0, start_routine, 0); pthread_join(th, 0); pthread_attr_init(&attr); pthread_cleanup_push(routine, 0); pthread_cleanup_pop(0) /* ; */ ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ax_pthread_ok=yes fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_pthread_ok" >&5 printf "%s\n" "$ax_pthread_ok" >&6; } if test "x$ax_pthread_ok" = xyes; then break; fi PTHREAD_LIBS="" PTHREAD_CFLAGS="" done fi # Various other checks: if test "x$ax_pthread_ok" = xyes; then save_LIBS="$LIBS" LIBS="$PTHREAD_LIBS $LIBS" save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS $PTHREAD_CFLAGS" # Detect AIX lossage: JOINABLE attribute is called UNDETACHED. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for joinable pthread attribute" >&5 printf %s "checking for joinable pthread attribute... " >&6; } attr_name=unknown for attr in PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_UNDETACHED; do cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { int attr = $attr; return attr /* ; */ ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : attr_name=$attr; break fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext done { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $attr_name" >&5 printf "%s\n" "$attr_name" >&6; } if test "$attr_name" != PTHREAD_CREATE_JOINABLE; then printf "%s\n" "#define PTHREAD_CREATE_JOINABLE $attr_name" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if more special flags are required for pthreads" >&5 printf %s "checking if more special flags are required for pthreads... " >&6; } flag=no case ${host_os} in aix* | freebsd* | darwin*) flag="-D_THREAD_SAFE";; osf* | hpux*) flag="-D_REENTRANT";; solaris*) if test "$GCC" = "yes"; then flag="-D_REENTRANT" else flag="-mt -D_REENTRANT" fi ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: ${flag}" >&5 printf "%s\n" "${flag}" >&6; } if test "x$flag" != xno; then PTHREAD_CFLAGS="$flag $PTHREAD_CFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for PTHREAD_PRIO_INHERIT" >&5 printf %s "checking for PTHREAD_PRIO_INHERIT... " >&6; } if test ${ax_cv_PTHREAD_PRIO_INHERIT+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { int i = PTHREAD_PRIO_INHERIT; ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ax_cv_PTHREAD_PRIO_INHERIT=yes else $as_nop ax_cv_PTHREAD_PRIO_INHERIT=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ax_cv_PTHREAD_PRIO_INHERIT" >&5 printf "%s\n" "$ax_cv_PTHREAD_PRIO_INHERIT" >&6; } if test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes" then : printf "%s\n" "#define HAVE_PTHREAD_PRIO_INHERIT 1" >>confdefs.h fi LIBS="$save_LIBS" CFLAGS="$save_CFLAGS" # More AIX lossage: must compile with xlc_r or cc_r if test x"$GCC" != xyes; then for ac_prog in xlc_r cc_r do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_prog_PTHREAD_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$PTHREAD_CC"; then ac_cv_prog_PTHREAD_CC="$PTHREAD_CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_PTHREAD_CC="$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi PTHREAD_CC=$ac_cv_prog_PTHREAD_CC if test -n "$PTHREAD_CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $PTHREAD_CC" >&5 printf "%s\n" "$PTHREAD_CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$PTHREAD_CC" && break done test -n "$PTHREAD_CC" || PTHREAD_CC="${CC}" else PTHREAD_CC=$CC fi else PTHREAD_CC="$CC" fi # Finally, execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND: if test x"$ax_pthread_ok" = xyes; then printf "%s\n" "#define HAVE_PTHREAD 1" >>confdefs.h : else ax_pthread_ok=no fi ac_ext=cpp ac_cpp='$CXXCPP $CPPFLAGS' ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_cxx_compiler_gnu else GCOPTIONS=$GCOPTIONS"--disable-threads " fi # Check whether --enable-sigsegv was given. if test ${enable_sigsegv+y} then : enableval=$enable_sigsegv; fi if test "x$enable_sigsegv" != "xno"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for stackoverflow_install_handler in -lsigsegv" >&5 printf %s "checking for stackoverflow_install_handler in -lsigsegv... " >&6; } if test ${ac_cv_lib_sigsegv_stackoverflow_install_handler+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lsigsegv $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int stackoverflow_install_handler (); } int main (void) { return conftest::stackoverflow_install_handler (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_sigsegv_stackoverflow_install_handler=yes else $as_nop ac_cv_lib_sigsegv_stackoverflow_install_handler=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_sigsegv_stackoverflow_install_handler" >&5 printf "%s\n" "$ac_cv_lib_sigsegv_stackoverflow_install_handler" >&6; } if test "x$ac_cv_lib_sigsegv_stackoverflow_install_handler" = xyes then : printf "%s\n" "#define HAVE_LIBSIGSEGV 1" >>confdefs.h LIBS="-lsigsegv $LIBS" fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sched_yield in -lrt" >&5 printf %s "checking for sched_yield in -lrt... " >&6; } if test ${ac_cv_lib_rt_sched_yield+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lrt $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int sched_yield (); } int main (void) { return conftest::sched_yield (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_rt_sched_yield=yes else $as_nop ac_cv_lib_rt_sched_yield=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_rt_sched_yield" >&5 printf "%s\n" "$ac_cv_lib_rt_sched_yield" >&6; } if test "x$ac_cv_lib_rt_sched_yield" = xyes then : printf "%s\n" "#define HAVE_LIBRT 1" >>confdefs.h LIBS="-lrt $LIBS" fi LSPLIBS= LSPLIB= if test "x$enable_lsp" != "xno" -a "x$enable_threads" != "xno"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for opendir in -lboost_filesystem" >&5 printf %s "checking for opendir in -lboost_filesystem... " >&6; } if test ${ac_cv_lib_boost_filesystem_opendir+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lboost_filesystem $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int opendir (); } int main (void) { return conftest::opendir (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_boost_filesystem_opendir=yes else $as_nop ac_cv_lib_boost_filesystem_opendir=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_boost_filesystem_opendir" >&5 printf "%s\n" "$ac_cv_lib_boost_filesystem_opendir" >&6; } if test "x$ac_cv_lib_boost_filesystem_opendir" = xyes then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for pthread_attr_getdetachstate in -lboost_thread" >&5 printf %s "checking for pthread_attr_getdetachstate in -lboost_thread... " >&6; } if test ${ac_cv_lib_boost_thread_pthread_attr_getdetachstate+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lboost_thread $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int pthread_attr_getdetachstate (); } int main (void) { return conftest::pthread_attr_getdetachstate (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_boost_thread_pthread_attr_getdetachstate=yes else $as_nop ac_cv_lib_boost_thread_pthread_attr_getdetachstate=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_boost_thread_pthread_attr_getdetachstate" >&5 printf "%s\n" "$ac_cv_lib_boost_thread_pthread_attr_getdetachstate" >&6; } if test "x$ac_cv_lib_boost_thread_pthread_attr_getdetachstate" = xyes then : printf "%s\n" "#define HAVE_LSP 1" >>confdefs.h LSPLIBS="-llspcpp -lnetwork-uri -lboost_filesystem -lboost_thread " LSPLIB=liblspcpp.a else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libboost_thread: will compile without optional Language Server Protocol. ***" >&5 printf "%s\n" "$as_me: *** Could not find libboost_thread: will compile without optional Language Server Protocol. ***" >&6;} fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libboost_filesystem: will compile without optional Language Server Protocol. ***" >&5 printf "%s\n" "$as_me: *** Could not find libboost_filesystem: will compile without optional Language Server Protocol. ***" >&6;} fi fi # Check whether --enable-readline was given. if test ${enable_readline+y} then : enableval=$enable_readline; fi # Check whether --enable-static was given. if test ${enable_static+y} then : enableval=$enable_static; fi STATIC="" DYNAMIC="" if test "x$enable_static" = "xyes"; then STATIC="-Wl,-Bstatic " DYNAMIC="-Wl,-Bdynamic " fi if test "x$enable_readline" != "xno"; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main (void) { #ifndef RL_READLINE_VERSION abort #endif ; return 0; } _ACEOF if ac_fn_cxx_try_compile "$LINENO" then : PKG_FLAGS="" if test "x$PKG_FLAGS" == "x"; then PKG_FLAGS=-l"readline" echo Will try linking with $PKG_FLAGS fi LDFLAGS_SAVE=$LDFLAGS LDFLAGS="$LDFLAGS ""$STATIC ""$PKG_FLAGS ""$DYNAMIC " { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for history_list in -lreadline" >&5 printf %s "checking for history_list in -lreadline... 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" >&6; } if test ${ac_cv_lib_edit_readline+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ledit $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int readline (); } int main (void) { return conftest::readline (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_edit_readline=yes else $as_nop ac_cv_lib_edit_readline=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_edit_readline" >&5 printf "%s\n" "$ac_cv_lib_edit_readline" >&6; } if test "x$ac_cv_lib_edit_readline" = xyes then : printf "%s\n" "#define HAVE_LIBEDIT 1" >>confdefs.h LIBS="-ledit $LIBS" fi ac_fn_cxx_check_header_compile "$LINENO" "editline/readline.h" "ac_cv_header_editline_readline_h" "$ac_includes_default" if test "x$ac_cv_header_editline_readline_h" = xyes then : printf "%s\n" "#define HAVE_EDITLINE_READLINE_H 1" >>confdefs.h fi fi else LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find GNU readline 4.3 or later: will compile without readline support ***" >&5 printf "%s\n" "$as_me: *** Could not find GNU readline 4.3 or later: will compile without readline support ***" >&6;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for readline in -ledit" >&5 printf %s "checking for readline in -ledit... " >&6; } if test ${ac_cv_lib_edit_readline+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ledit $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int readline (); } int main (void) { return conftest::readline (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_edit_readline=yes else $as_nop ac_cv_lib_edit_readline=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_edit_readline" >&5 printf "%s\n" "$ac_cv_lib_edit_readline" >&6; } if test "x$ac_cv_lib_edit_readline" = xyes then : printf "%s\n" "#define HAVE_LIBEDIT 1" >>confdefs.h LIBS="-ledit $LIBS" fi ac_fn_cxx_check_header_compile "$LINENO" "editline/readline.h" "ac_cv_header_editline_readline_h" "$ac_includes_default" if test "x$ac_cv_header_editline_readline_h" = xyes then : printf "%s\n" "#define HAVE_EDITLINE_READLINE_H 1" >>confdefs.h fi fi fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find GNU readline 4.3 or later: will compile without readline support ***" >&5 printf "%s\n" "$as_me: *** Could not find GNU readline 4.3 or later: will compile without readline support ***" >&6;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for readline in -ledit" >&5 printf %s "checking for readline in -ledit... " >&6; } if test ${ac_cv_lib_edit_readline+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ledit $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int readline (); } int main (void) { return conftest::readline (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_edit_readline=yes else $as_nop ac_cv_lib_edit_readline=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_edit_readline" >&5 printf "%s\n" "$ac_cv_lib_edit_readline" >&6; } if test "x$ac_cv_lib_edit_readline" = xyes then : printf "%s\n" "#define HAVE_LIBEDIT 1" >>confdefs.h LIBS="-ledit $LIBS" fi ac_fn_cxx_check_header_compile "$LINENO" "editline/readline.h" "ac_cv_header_editline_readline_h" "$ac_includes_default" if test "x$ac_cv_header_editline_readline_h" = xyes then : printf "%s\n" "#define HAVE_EDITLINE_READLINE_H 1" >>confdefs.h fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext PKG_FLAGS="" if test "x$PKG_FLAGS" == "x"; then PKG_FLAGS=-l"tinfo" echo Will try linking with $PKG_FLAGS fi LDFLAGS_SAVE=$LDFLAGS LDFLAGS="$LDFLAGS ""$STATIC ""$PKG_FLAGS ""$DYNAMIC " { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for tgetent in -ltinfo" >&5 printf %s "checking for tgetent in -ltinfo... " >&6; } if test ${ac_cv_lib_tinfo_tgetent+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ltinfo $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int tgetent (); } int main (void) { return conftest::tgetent (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_tinfo_tgetent=yes else $as_nop ac_cv_lib_tinfo_tgetent=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tinfo_tgetent" >&5 printf "%s\n" "$ac_cv_lib_tinfo_tgetent" >&6; } if test "x$ac_cv_lib_tinfo_tgetent" = xyes then : printf "%s\n" "#define HAVE_LIBTINFO 1" >>confdefs.h else $as_nop if test "x$enable_static" = "xyes"; then echo "Static library not found; will check for dynamic version" LDFLAGS="$LDFLAGS_SAVE ""$PKG_FLAGS " { ac_cv_lib_tinfo_tgetent=; unset ac_cv_lib_tinfo_tgetent;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for tgetent in -ltinfo" >&5 printf %s "checking for tgetent in -ltinfo... " >&6; } if test ${ac_cv_lib_tinfo_tgetent+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-ltinfo $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int tgetent (); } int main (void) { return conftest::tgetent (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_tinfo_tgetent=yes else $as_nop ac_cv_lib_tinfo_tgetent=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_tinfo_tgetent" >&5 printf "%s\n" "$ac_cv_lib_tinfo_tgetent" >&6; } if test "x$ac_cv_lib_tinfo_tgetent" = xyes then : printf "%s\n" "#define HAVE_LIBTINFO 1" >>confdefs.h else $as_nop LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: perhaps tgetent is in -lncurses" >&5 printf "%s\n" "$as_me: perhaps tgetent is in -lncurses" >&6;} fi else LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: perhaps tgetent is in -lncurses" >&5 printf "%s\n" "$as_me: perhaps tgetent is in -lncurses" >&6;} fi fi for ac_header in ncurses/curses.h ncurses.h curses.h do : as_ac_Header=`printf "%s\n" "ac_cv_header_$ac_header" | $as_tr_sh` ac_fn_cxx_check_header_compile "$LINENO" "$ac_header" "$as_ac_Header" "$ac_includes_default" if eval test \"x\$"$as_ac_Header"\" = x"yes" then : cat >>confdefs.h <<_ACEOF #define `printf "%s\n" "HAVE_$ac_header" | $as_tr_cpp` 1 _ACEOF break fi done PKG_FLAGS="" if test "x$PKG_FLAGS" == "x"; then PKG_FLAGS=-l"ncurses" echo Will try linking with $PKG_FLAGS fi LDFLAGS_SAVE=$LDFLAGS LDFLAGS="$LDFLAGS ""$STATIC ""$PKG_FLAGS ""$DYNAMIC " { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for setupterm in -lncurses" >&5 printf %s "checking for setupterm in -lncurses... " >&6; } if test ${ac_cv_lib_ncurses_setupterm+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lncurses $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int setupterm (); } int main (void) { return conftest::setupterm (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_ncurses_setupterm=yes else $as_nop ac_cv_lib_ncurses_setupterm=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ncurses_setupterm" >&5 printf "%s\n" "$ac_cv_lib_ncurses_setupterm" >&6; } if test "x$ac_cv_lib_ncurses_setupterm" = xyes then : printf "%s\n" "#define HAVE_LIBCURSES 1" >>confdefs.h else $as_nop if test "x$enable_static" = "xyes"; then echo "Static library not found; will check for dynamic version" LDFLAGS="$LDFLAGS_SAVE ""$PKG_FLAGS " { ac_cv_lib_ncurses_setupterm=; unset ac_cv_lib_ncurses_setupterm;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for setupterm in -lncurses" >&5 printf %s "checking for setupterm in -lncurses... 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" >&6; } if test ${ac_cv_lib_curses_setupterm+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcurses $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int setupterm (); } int main (void) { return conftest::setupterm (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_curses_setupterm=yes else $as_nop ac_cv_lib_curses_setupterm=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_curses_setupterm" >&5 printf "%s\n" "$ac_cv_lib_curses_setupterm" >&6; } if test "x$ac_cv_lib_curses_setupterm" = xyes then : printf "%s\n" "#define HAVE_LIBCURSES 1" >>confdefs.h LIBS="-lcurses $LIBS" fi fi fi fi # Check whether --enable-curl was given. if test ${enable_curl+y} then : enableval=$enable_curl; fi if test "x$enable_curl" != "xno"; then ac_fn_cxx_check_header_compile "$LINENO" "curl/curl.h" "ac_cv_header_curl_curl_h" "$ac_includes_default" if test "x$ac_cv_header_curl_curl_h" = xyes then : PKG_FLAGS="" if test "x$PKG_FLAGS" == "x"; then PKG_FLAGS=-l"curl" echo Will try linking with $PKG_FLAGS fi LDFLAGS_SAVE=$LDFLAGS LDFLAGS="$LDFLAGS ""$STATIC ""$PKG_FLAGS ""$DYNAMIC " { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for curl_easy_init in -lcurl" >&5 printf %s "checking for curl_easy_init in -lcurl... " >&6; } if test ${ac_cv_lib_curl_curl_easy_init+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcurl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int curl_easy_init (); } int main (void) { return conftest::curl_easy_init (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_curl_curl_easy_init=yes else $as_nop ac_cv_lib_curl_curl_easy_init=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_curl_curl_easy_init" >&5 printf "%s\n" "$ac_cv_lib_curl_curl_easy_init" >&6; } if test "x$ac_cv_lib_curl_curl_easy_init" = xyes then : printf "%s\n" "#define HAVE_LIBCURL 1" >>confdefs.h else $as_nop if test "x$enable_static" = "xyes"; then echo "Static library not found; will check for dynamic version" LDFLAGS="$LDFLAGS_SAVE ""$PKG_FLAGS " { ac_cv_lib_curl_curl_easy_init=; unset ac_cv_lib_curl_curl_easy_init;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for curl_easy_init in -lcurl" >&5 printf %s "checking for curl_easy_init in -lcurl... " >&6; } if test ${ac_cv_lib_curl_curl_easy_init+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcurl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int curl_easy_init (); } int main (void) { return conftest::curl_easy_init (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_curl_curl_easy_init=yes else $as_nop ac_cv_lib_curl_curl_easy_init=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_curl_curl_easy_init" >&5 printf "%s\n" "$ac_cv_lib_curl_curl_easy_init" >&6; } if test "x$ac_cv_lib_curl_curl_easy_init" = xyes then : printf "%s\n" "#define HAVE_LIBCURL 1" >>confdefs.h else $as_nop LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libcurl: will compile without optional URL support. ***" >&5 printf "%s\n" "$as_me: *** Could not find libcurl: will compile without optional URL support. ***" >&6;} fi else LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libcurl: will compile without optional URL support. ***" >&5 printf "%s\n" "$as_me: *** Could not find libcurl: will compile without optional URL support. ***" >&6;} fi fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Header file curl.h not found: will compile without optional URL support. ***" >&5 printf "%s\n" "$as_me: *** Header file curl.h not found: will compile without optional URL support. ***" >&6;} fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** libcurl support disabled by configure flag: will compile without optional URL support. ***" >&5 printf "%s\n" "$as_me: *** libcurl support disabled by configure flag: will compile without optional URL support. ***" >&6;} fi # Check whether --enable-fftw was given. if test ${enable_fftw+y} then : enableval=$enable_fftw; fi if test "x$enable_fftw" != "xno"; then ac_fn_cxx_check_header_compile "$LINENO" "fftw3.h" "ac_cv_header_fftw3_h" "$ac_includes_default" if test "x$ac_cv_header_fftw3_h" = xyes then : PKG_FLAGS="" if test "x$PKG_FLAGS" == "x"; then PKG_FLAGS=-l"fftw3" echo Will try linking with $PKG_FLAGS fi LDFLAGS_SAVE=$LDFLAGS LDFLAGS="$LDFLAGS ""$STATIC ""$PKG_FLAGS ""$DYNAMIC " { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fftw_execute in -lfftw3" >&5 printf %s "checking for fftw_execute in -lfftw3... " >&6; } if test ${ac_cv_lib_fftw3_fftw_execute+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lfftw3 $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int fftw_execute (); } int main (void) { return conftest::fftw_execute (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_fftw3_fftw_execute=yes else $as_nop ac_cv_lib_fftw3_fftw_execute=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_fftw_execute" >&5 printf "%s\n" "$ac_cv_lib_fftw3_fftw_execute" >&6; } if test "x$ac_cv_lib_fftw3_fftw_execute" = xyes then : printf "%s\n" "#define HAVE_LIBFFTW3 1" >>confdefs.h else $as_nop if test "x$enable_static" = "xyes"; then echo "Static library not found; will check for dynamic version" LDFLAGS="$LDFLAGS_SAVE ""$PKG_FLAGS " { ac_cv_lib_fftw3_fftw_execute=; unset ac_cv_lib_fftw3_fftw_execute;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for fftw_execute in -lfftw3" >&5 printf %s "checking for fftw_execute in -lfftw3... " >&6; } if test ${ac_cv_lib_fftw3_fftw_execute+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lfftw3 $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int fftw_execute (); } int main (void) { return conftest::fftw_execute (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_fftw3_fftw_execute=yes else $as_nop ac_cv_lib_fftw3_fftw_execute=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_fftw3_fftw_execute" >&5 printf "%s\n" "$ac_cv_lib_fftw3_fftw_execute" >&6; } if test "x$ac_cv_lib_fftw3_fftw_execute" = xyes then : printf "%s\n" "#define HAVE_LIBFFTW3 1" >>confdefs.h else $as_nop LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libfftw3: will compile without optional fast Fourier transforms. ***" >&5 printf "%s\n" "$as_me: *** Could not find libfftw3: will compile without optional fast Fourier transforms. ***" >&6;} fi else LDFLAGS=$LDFLAGS_SAVE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libfftw3: will compile without optional fast Fourier transforms. ***" >&5 printf "%s\n" "$as_me: *** Could not find libfftw3: will compile without optional fast Fourier transforms. ***" >&6;} fi fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Header file fftw3.h not found: will compile without optional fast Fourier transforms. ***" >&5 printf "%s\n" "$as_me: *** Header file fftw3.h not found: will compile without optional fast Fourier transforms. ***" >&6;} fi fi # Check whether --enable-eigen was given. if test ${enable_eigen+y} then : enableval=$enable_eigen; fi if test "x$enable_eigen" != "xno"; then ac_fn_cxx_check_header_compile "$LINENO" "Eigen/Dense" "ac_cv_header_Eigen_Dense" "$ac_includes_default" if test "x$ac_cv_header_Eigen_Dense" = xyes then : printf "%s\n" "#define HAVE_EIGEN_DENSE 1" >>confdefs.h fi fi # Checks for header files. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for sys/wait.h that is POSIX.1 compatible" >&5 printf %s "checking for sys/wait.h that is POSIX.1 compatible... 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" >&6; } if test ${ac_cv_lib_gccpp_GC_throw_bad_alloc+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lgccpp $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int GC_throw_bad_alloc (); } int main (void) { return conftest::GC_throw_bad_alloc (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_gccpp_GC_throw_bad_alloc=yes else $as_nop ac_cv_lib_gccpp_GC_throw_bad_alloc=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gccpp_GC_throw_bad_alloc" >&5 printf "%s\n" "$ac_cv_lib_gccpp_GC_throw_bad_alloc" >&6; } if test "x$ac_cv_lib_gccpp_GC_throw_bad_alloc" = xyes then : printf "%s\n" "#define HAVE_LIBGCCPP 1" >>confdefs.h LIBS="-lgccpp $LIBS" fi ac_fn_cxx_check_header_compile "$LINENO" "OpenGL/gl.h" "ac_cv_header_OpenGL_gl_h" "$ac_includes_default" if test "x$ac_cv_header_OpenGL_gl_h" = xyes then : printf "%s\n" "#define HAVE_LIBGL 1" >>confdefs.h fi ac_fn_cxx_check_header_compile "$LINENO" "GLUT/glut.h" "ac_cv_header_GLUT_glut_h" "$ac_includes_default" if test "x$ac_cv_header_GLUT_glut_h" = xyes then : printf "%s\n" "#define HAVE_LIBGLUT 1" >>confdefs.h LIBS=$LIBS"-framework GLUT -framework OpenGL -framework Cocoa " GLEW="glew.o " else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find GLUT: will compile without OpenGLLUT support ***" >&5 printf "%s\n" "$as_me: *** Could not find GLUT: will compile without OpenGLLUT support ***" >&6;} fi ;; *) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for GC_throw_bad_alloc in -lgccpp" >&5 printf %s "checking for GC_throw_bad_alloc in -lgccpp... 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" >&6; } if test ${ac_cv_lib_glut_glutMainLoop+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lglut $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int glutMainLoop (); } int main (void) { return conftest::glutMainLoop (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_glut_glutMainLoop=yes else $as_nop ac_cv_lib_glut_glutMainLoop=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_glut_glutMainLoop" >&5 printf "%s\n" "$ac_cv_lib_glut_glutMainLoop" >&6; } if test "x$ac_cv_lib_glut_glutMainLoop" = xyes then : printf "%s\n" "#define HAVE_LIBGLUT 1" >>confdefs.h LIBS="-lglut $LIBS" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libglut: will compile without OpenGL support ***" >&5 printf "%s\n" "$as_me: *** Could not find libglut: will compile without OpenGL support ***" >&6;} fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for glDepthMask in -lGL" >&5 printf %s "checking for glDepthMask in -lGL... " >&6; } if test ${ac_cv_lib_GL_glDepthMask+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lGL $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int glDepthMask (); } int main (void) { return conftest::glDepthMask (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_GL_glDepthMask=yes else $as_nop ac_cv_lib_GL_glDepthMask=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GL_glDepthMask" >&5 printf "%s\n" "$ac_cv_lib_GL_glDepthMask" >&6; } if test "x$ac_cv_lib_GL_glDepthMask" = xyes then : printf "%s\n" "#define HAVE_LIBGL 1" >>confdefs.h LIBS=$LIBS"-lGL " GLEW="glew.o " { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for glXGetProcAddressARB in -lGLX" >&5 printf %s "checking for glXGetProcAddressARB in -lGLX... " >&6; } if test ${ac_cv_lib_GLX_glXGetProcAddressARB+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lGLX $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int glXGetProcAddressARB (); } int main (void) { return conftest::glXGetProcAddressARB (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_GLX_glXGetProcAddressARB=yes else $as_nop ac_cv_lib_GLX_glXGetProcAddressARB=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_GLX_glXGetProcAddressARB" >&5 printf "%s\n" "$ac_cv_lib_GLX_glXGetProcAddressARB" >&6; } if test "x$ac_cv_lib_GLX_glXGetProcAddressARB" = xyes then : GLEW=$GLEW"-lGLX " fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libGL: will compile without OpenGL support ***" >&5 printf "%s\n" "$as_me: *** Could not find libGL: will compile without OpenGL support ***" >&6;} fi esac if test "x$enable_offscreen" = "xyes"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for OSMesaCreateContext in -lOSMesa" >&5 printf %s "checking for OSMesaCreateContext in -lOSMesa... " >&6; } if test ${ac_cv_lib_OSMesa_OSMesaCreateContext+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lOSMesa $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ namespace conftest { extern "C" int OSMesaCreateContext (); } int main (void) { return conftest::OSMesaCreateContext (); ; return 0; } _ACEOF if ac_fn_cxx_try_link "$LINENO" then : ac_cv_lib_OSMesa_OSMesaCreateContext=yes else $as_nop ac_cv_lib_OSMesa_OSMesaCreateContext=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_OSMesa_OSMesaCreateContext" >&5 printf "%s\n" "$ac_cv_lib_OSMesa_OSMesaCreateContext" >&6; } if test "x$ac_cv_lib_OSMesa_OSMesaCreateContext" = xyes then : printf "%s\n" "#define HAVE_LIBOSMESA 1" >>confdefs.h LIBS="-lOSMesa $LIBS" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: *** Could not find libOSMesa: will compile without offscreen rendering support ***" >&5 printf "%s\n" "$as_me: *** Could not find libOSMesa: will compile without offscreen rendering support ***" >&6;} fi fi fi # Checks for typedefs, structures, and compiler characteristics. ac_fn_cxx_check_type "$LINENO" "pid_t" "ac_cv_type_pid_t" "$ac_includes_default " if test "x$ac_cv_type_pid_t" = xyes then : else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if defined _WIN64 && !defined __CYGWIN__ LLP64 #endif int main (void) { ; return 0; } _ACEOF if ac_fn_cxx_try_compile "$LINENO" then : ac_pid_type='int' else $as_nop ac_pid_type='__int64' fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext printf "%s\n" "#define pid_t $ac_pid_type" >>confdefs.h fi ac_fn_cxx_check_type "$LINENO" "size_t" "ac_cv_type_size_t" "$ac_includes_default" if test "x$ac_cv_type_size_t" = xyes then : else $as_nop printf "%s\n" "#define size_t unsigned int" >>confdefs.h fi ac_fn_cxx_check_type "$LINENO" "ptrdiff_t" "ac_cv_type_ptrdiff_t" "$ac_includes_default" if test "x$ac_cv_type_ptrdiff_t" = xyes then : printf "%s\n" "#define HAVE_PTRDIFF_T 1" >>confdefs.h fi ac_fn_cxx_check_type "$LINENO" "long long" "ac_cv_type_long_long" "$ac_includes_default" if test "x$ac_cv_type_long_long" = xyes then : printf "%s\n" "#define HAVE_LONG_LONG 1" >>confdefs.h fi ac_fn_cxx_check_type "$LINENO" "long" "ac_cv_type_long" "$ac_includes_default" if test "x$ac_cv_type_long" = xyes then : printf "%s\n" "#define HAVE_LONG 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for an ANSI C-conforming const" >&5 printf %s "checking for an ANSI C-conforming const... " >&6; } if test ${ac_cv_c_const+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { #ifndef __cplusplus /* Ultrix mips cc rejects this sort of thing. */ typedef int charset[2]; const charset cs = { 0, 0 }; /* SunOS 4.1.1 cc rejects this. */ char const *const *pcpcc; char **ppc; /* NEC SVR4.0.2 mips cc rejects this. */ struct point {int x, y;}; static struct point const zero = {0,0}; /* IBM XL C 1.02.0.0 rejects this. It does not let you subtract one const X* pointer from another in an arm of an if-expression whose if-part is not a constant expression */ const char *g = "string"; pcpcc = &g + (g ? g-g : 0); /* HPUX 7.0 cc rejects these. */ ++pcpcc; ppc = (char**) pcpcc; pcpcc = (char const *const *) ppc; { /* SCO 3.2v4 cc rejects this sort of thing. */ char tx; char *t = &tx; char const *s = 0 ? (char *) 0 : (char const *) 0; *t++ = 0; if (s) return 0; } { /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ int x[] = {25, 17}; const int *foo = &x[0]; ++foo; } { /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ typedef const int *iptr; iptr p = 0; ++p; } { /* IBM XL C 1.02.0.0 rejects this sort of thing, saying "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ struct s { int j; const int *ap[3]; } bx; struct s *b = &bx; b->j = 5; } { /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ const int foo = 10; if (!foo) return 0; } return !cs[0] && !zero.x; #endif ; return 0; } _ACEOF if ac_fn_cxx_try_compile "$LINENO" then : ac_cv_c_const=yes else $as_nop ac_cv_c_const=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_const" >&5 printf "%s\n" "$ac_cv_c_const" >&6; } if test $ac_cv_c_const = no; then printf "%s\n" "#define const /**/" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inline" >&5 printf %s "checking for inline... " >&6; } if test ${ac_cv_c_inline+y} then : printf %s "(cached) " >&6 else $as_nop ac_cv_c_inline=no for ac_kw in inline __inline__ __inline; do cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifndef __cplusplus typedef int foo_t; static $ac_kw foo_t static_foo (void) {return 0; } $ac_kw foo_t foo (void) {return 0; } #endif _ACEOF if ac_fn_cxx_try_compile "$LINENO" then : ac_cv_c_inline=$ac_kw fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext test "$ac_cv_c_inline" != no && break done fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_inline" >&5 printf "%s\n" "$ac_cv_c_inline" >&6; } case $ac_cv_c_inline in inline | yes) ;; *) case $ac_cv_c_inline in no) ac_val=;; *) ac_val=$ac_cv_c_inline;; esac cat >>confdefs.h <<_ACEOF #ifndef __cplusplus #define inline $ac_val #endif _ACEOF ;; esac # Checks for library functions. ac_header= ac_cache= for ac_item in $ac_header_cxx_list do if test $ac_cache; then ac_fn_cxx_check_header_compile "$LINENO" $ac_header ac_cv_header_$ac_cache "$ac_includes_default" if eval test \"x\$ac_cv_header_$ac_cache\" = xyes; then printf "%s\n" "#define $ac_item 1" >> confdefs.h fi ac_header= ac_cache= elif test $ac_header; then ac_cache=$ac_item else ac_header=$ac_item fi done ac_func= for ac_item in $ac_func_cxx_list do if test $ac_func; then ac_fn_cxx_check_func "$LINENO" $ac_func ac_cv_func_$ac_func if eval test \"x\$ac_cv_func_$ac_func\" = xyes; then echo "#define $ac_item 1" >> confdefs.h fi ac_func= else ac_func=$ac_item fi done if test "x$ac_cv_func_fork" = xyes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working fork" >&5 printf %s "checking for working fork... " >&6; } if test ${ac_cv_func_fork_works+y} then : printf %s "(cached) " >&6 else $as_nop if test "$cross_compiling" = yes then : ac_cv_func_fork_works=cross else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $ac_includes_default int main (void) { /* By Ruediger Kuhlmann. */ return fork () < 0; ; return 0; } _ACEOF if ac_fn_cxx_try_run "$LINENO" then : ac_cv_func_fork_works=yes else $as_nop ac_cv_func_fork_works=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_fork_works" >&5 printf "%s\n" "$ac_cv_func_fork_works" >&6; } else ac_cv_func_fork_works=$ac_cv_func_fork fi if test "x$ac_cv_func_fork_works" = xcross; then case $host in *-*-amigaos* | *-*-msdosdjgpp*) # Override, as these systems have only a dummy fork() stub ac_cv_func_fork_works=no ;; *) ac_cv_func_fork_works=yes ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&5 printf "%s\n" "$as_me: WARNING: result $ac_cv_func_fork_works guessed because of cross compilation" >&2;} fi ac_cv_func_vfork_works=$ac_cv_func_vfork if test "x$ac_cv_func_vfork" = xyes; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for working vfork" >&5 printf %s "checking for working vfork... " >&6; } if test ${ac_cv_func_vfork_works+y} then : printf %s "(cached) " >&6 else $as_nop if test "$cross_compiling" = yes then : ac_cv_func_vfork_works=cross else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Thanks to Paul Eggert for this test. */ $ac_includes_default #include #include #ifdef HAVE_VFORK_H # include #endif static void do_nothing (int sig) { (void) sig; } /* On some sparc systems, changes by the child to local and incoming argument registers are propagated back to the parent. The compiler is told about this with #include , but some compilers (e.g. gcc -O) don't grok . Test for this by using a static variable whose address is put into a register that is clobbered by the vfork. */ static void sparc_address_test (int arg) { static pid_t child; if (!child) { child = vfork (); if (child < 0) { perror ("vfork"); _exit(2); } if (!child) { arg = getpid(); write(-1, "", 0); _exit (arg); } } } int main (void) { pid_t parent = getpid (); pid_t child; sparc_address_test (0); /* On Solaris 2.4, changes by the child to the signal handler also munge signal handlers in the parent. To detect this, start by putting the parent's handler in a known state. */ signal (SIGTERM, SIG_DFL); child = vfork (); if (child == 0) { /* Here is another test for sparc vfork register problems. This test uses lots of local variables, at least as many local variables as main has allocated so far including compiler temporaries. 4 locals are enough for gcc 1.40.3 on a Solaris 4.1.3 sparc, but we use 8 to be safe. A buggy compiler should reuse the register of parent for one of the local variables, since it will think that parent can't possibly be used any more in this routine. Assigning to the local variable will thus munge parent in the parent process. */ pid_t p = getpid(), p1 = getpid(), p2 = getpid(), p3 = getpid(), p4 = getpid(), p5 = getpid(), p6 = getpid(), p7 = getpid(); /* Convince the compiler that p..p7 are live; otherwise, it might use the same hardware register for all 8 local variables. */ if (p != p1 || p != p2 || p != p3 || p != p4 || p != p5 || p != p6 || p != p7) _exit(1); /* Alter the child's signal handler. */ if (signal (SIGTERM, do_nothing) != SIG_DFL) _exit(1); /* On some systems (e.g. IRIX 3.3), vfork doesn't separate parent from child file descriptors. If the child closes a descriptor before it execs or exits, this munges the parent's descriptor as well. Test for this by closing stdout in the child. */ _exit(close(fileno(stdout)) != 0); } else { int status; struct stat st; while (wait(&status) != child) ; return ( /* Was there some problem with vforking? */ child < 0 /* Did the child munge the parent's signal handler? */ || signal (SIGTERM, SIG_DFL) != SIG_DFL /* Did the child fail? 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