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"$ac_site_file" \ || { { printf "%s\n" "$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; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" as_fn_append ac_header_c_list " vfork.h vfork_h HAVE_VFORK_H" as_fn_append ac_func_c_list " fork HAVE_FORK" as_fn_append ac_func_c_list " vfork HAVE_VFORK" # Auxiliary files required by this configure script. ac_aux_files="install-sh config.guess config.sub" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${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 $? 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" >&6; } SAVE_CFLAGS="$CFLAGS" CFLAGS="-O3" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { \ ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_try_cflags_ok=yes else $as_nop ac_cv_try_cflags_ok=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext CFLAGS="$SAVE_CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_try_cflags_ok" >&5 printf "%s\n" "$ac_cv_try_cflags_ok" >&6; } if test "x$ac_cv_try_cflags_ok" = xyes; then CFLAGS="$CFLAGS -O3" else : fi; if test "x$ac_cv_try_cflags_ok" = xno then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC supports -O2 flags" >&5 printf %s "checking if $CC supports -O2 flags... " >&6; } SAVE_CFLAGS="$CFLAGS" CFLAGS="-O2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { \ ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_try_cflags_ok=yes else $as_nop ac_cv_try_cflags_ok=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext CFLAGS="$SAVE_CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_try_cflags_ok" >&5 printf "%s\n" "$ac_cv_try_cflags_ok" >&6; } if test "x$ac_cv_try_cflags_ok" = xyes; then CFLAGS="$CFLAGS -O2" else CFLAGS="$CFLAGS -O" fi fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC supports -O4 -Werror flags" >&5 printf %s "checking if $CC supports -O4 -Werror flags... 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" >&6; } SAVE_CFLAGS="$CFLAGS" CFLAGS="-O3" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { \ ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_try_cflags_ok=yes else $as_nop ac_cv_try_cflags_ok=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext CFLAGS="$SAVE_CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_try_cflags_ok" >&5 printf "%s\n" "$ac_cv_try_cflags_ok" >&6; } if test "x$ac_cv_try_cflags_ok" = xyes; then CFLAGS="$CFLAGS -O3" else : fi if test "x$ac_cv_try_cflags_ok" = xno then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC supports -O2 flags" >&5 printf %s "checking if $CC supports -O2 flags... " >&6; } SAVE_CFLAGS="$CFLAGS" CFLAGS="-O2" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { \ ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_try_cflags_ok=yes else $as_nop ac_cv_try_cflags_ok=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext CFLAGS="$SAVE_CFLAGS" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_try_cflags_ok" >&5 printf "%s\n" "$ac_cv_try_cflags_ok" >&6; } if test "x$ac_cv_try_cflags_ok" = xyes; then CFLAGS="$CFLAGS -O2" else CFLAGS="$CFLAGS -O" fi fi fi fi fi case "$CC" in gcc*) gccver=`"$CC" -dumpversion` ;; *) gccver=0.0.0 ;; esac { printf "%s\n" "$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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WEXITSTATUS (s) : 1; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_header_sys_wait_h=yes else $as_nop ac_cv_header_sys_wait_h=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_header_sys_wait_h" >&5 printf "%s\n" "$ac_cv_header_sys_wait_h" >&6; } if test $ac_cv_header_sys_wait_h = yes; then printf "%s\n" "#define HAVE_SYS_WAIT_H 1" >>confdefs.h fi ac_header= ac_cache= for ac_item in $ac_header_c_list do if test $ac_cache; then ac_fn_c_check_header_compile "$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 if test $ac_cv_header_stdlib_h = yes && test $ac_cv_header_string_h = yes then : printf "%s\n" "#define STDC_HEADERS 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "signal.h" "ac_cv_header_signal_h" "$ac_includes_default" if test "x$ac_cv_header_signal_h" = xyes then : printf "%s\n" "#define HAVE_SIGNAL_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "stddef.h" "ac_cv_header_stddef_h" "$ac_includes_default" if test "x$ac_cv_header_stddef_h" = xyes then : printf "%s\n" "#define HAVE_STDDEF_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "unistd.h" "ac_cv_header_unistd_h" "$ac_includes_default" if test "x$ac_cv_header_unistd_h" = xyes then : printf "%s\n" "#define HAVE_UNISTD_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/types.h" "ac_cv_header_sys_types_h" "$ac_includes_default" if test "x$ac_cv_header_sys_types_h" = xyes then : printf "%s\n" "#define HAVE_SYS_TYPES_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/wait.h" "ac_cv_header_sys_wait_h" "$ac_includes_default" if test "x$ac_cv_header_sys_wait_h" = xyes then : printf "%s\n" "#define HAVE_SYS_WAIT_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "stdlib.h" "ac_cv_header_stdlib_h" "$ac_includes_default" if test "x$ac_cv_header_stdlib_h" = xyes then : printf "%s\n" "#define HAVE_STDLIB_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "string.h" "ac_cv_header_string_h" "$ac_includes_default" if test "x$ac_cv_header_string_h" = xyes then : printf "%s\n" "#define HAVE_STRING_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "errno.h" "ac_cv_header_errno_h" "$ac_includes_default" if test "x$ac_cv_header_errno_h" = xyes then : printf "%s\n" "#define HAVE_ERRNO_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "limits.h" "ac_cv_header_limits_h" "$ac_includes_default" if test "x$ac_cv_header_limits_h" = xyes then : printf "%s\n" "#define HAVE_LIMITS_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "stdint.h" "ac_cv_header_stdint_h" "$ac_includes_default" if test "x$ac_cv_header_stdint_h" = xyes then : printf "%s\n" "#define HAVE_STDINT_H 1" >>confdefs.h fi if test "x$ac_cv_header_stddef_h" = xyes; then header_stddef_h=1 else header_stddef_h=0 fi if test "x$ac_cv_header_unistd_h" = xyes; then header_unistd_h=1 else header_unistd_h=0 fi if test "x$ac_cv_header_stdlib_h" = xyes; then header_stdlib_h=1 else header_stdlib_h=0 fi if test "x$ac_cv_header_string_h" = xyes; then header_string_h=1 else header_string_h=0 fi if test "x$ac_cv_header_sys_wait_h" = xyes; then header_sys_wait_h=1 else header_sys_wait_h=0 fi if test "x$ac_cv_header_sys_types_h" = xyes; then header_sys_types_h=1 else header_sys_types_h=0 fi if test "x$ac_cv_header_errno_h" = xyes; then header_errno_h=1 else header_errno_h=0 fi if test "x$ac_cv_header_signal_h" = xyes; then header_signal_h=1 else header_signal_h=0 fi if test "x$ac_cv_header_limits_h" = xyes; then header_limits_h=1 else header_limits_h=0 fi if test "x$ac_cv_header_stdint_h" = xyes; then header_stdint_h=1 else header_stdint_h=0 fi ac_fn_c_check_type "$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_c_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 $ac_pid_type" >>confdefs.h fi if test "x$ac_cv_type_pid_t" = xyes; then have_pid_t=1 else have_pid_t=0 fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $CC options needed to detect all undeclared functions" >&5 printf %s "checking for $CC options needed to detect all undeclared functions... 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"C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details" "$LINENO" 5; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 printf %s "checking for grep that handles long lines and -e... 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"no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 fi else ac_cv_path_GREP=$GREP fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 printf "%s\n" "$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 printf %s "checking for egrep... " >&6; } if test ${ac_cv_path_EGREP+y} then : printf %s "(cached) " >&6 else $as_nop if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 then ac_cv_path_EGREP="$GREP -E" else if test -z "$EGREP"; then ac_path_EGREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in egrep do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_EGREP" || continue # Check for GNU ac_path_EGREP and select it if it is found. # Check for GNU $ac_path_EGREP case `"$ac_path_EGREP" --version 2>&1` in *GNU*) ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 printf %s 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" printf "%s\n" 'EGREP' >> "conftest.nl" "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break as_fn_arith $ac_count + 1 && ac_count=$as_val if test $ac_count -gt ${ac_path_EGREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_EGREP_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_EGREP"; then as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 fi else ac_cv_path_EGREP=$EGREP fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 printf "%s\n" "$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" if test $malloc_dec -eq 0 then : cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "(^|[^a-zA-Z_0-9])malloc[^a-zA-Z_0-9]" >/dev/null 2>&1 then : malloc_dec=2 else $as_nop malloc_dec=0 fi rm -rf conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if compiler accepts flexible array members" >&5 printf %s "checking if compiler accepts flexible array members... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { \ void foo(void*);struct { int a; int b[]; } ab; foo(&ab); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : flex_array_ok=1 else $as_nop flex_array_ok=0 fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $flex_array_ok" >&5 printf "%s\n" "$flex_array_ok" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if INFINITY is declared in math.h" >&5 printf %s "checking if INFINITY is declared in math.h... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #ifdef INFINITY yes #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "yes" >/dev/null 2>&1 then : has_math_inf=1 else $as_nop has_math_inf=0 fi rm -rf conftest* { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $has_math_inf" >&5 printf "%s\n" "$has_math_inf" >&6; } # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of int" >&5 printf %s "checking size of int... " >&6; } if test ${ac_cv_sizeof_int+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (int))" "ac_cv_sizeof_int" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type_int" = yes; then { { 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 77 "cannot compute sizeof (int) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_int=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_int" >&5 printf "%s\n" "$ac_cv_sizeof_int" >&6; } printf "%s\n" "#define SIZEOF_INT $ac_cv_sizeof_int" >>confdefs.h # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long" >&5 printf %s "checking size of long... " >&6; } if test ${ac_cv_sizeof_long+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long))" "ac_cv_sizeof_long" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type_long" = yes; then { { 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 77 "cannot compute sizeof (long) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_long=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long" >&5 printf "%s\n" "$ac_cv_sizeof_long" >&6; } printf "%s\n" "#define SIZEOF_LONG $ac_cv_sizeof_long" >>confdefs.h # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of long long" >&5 printf %s "checking size of long long... " >&6; } if test ${ac_cv_sizeof_long_long+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (long long))" "ac_cv_sizeof_long_long" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type_long_long" = yes; then { { 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 77 "cannot compute sizeof (long long) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_long_long=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_long_long" >&5 printf "%s\n" "$ac_cv_sizeof_long_long" >&6; } printf "%s\n" "#define SIZEOF_LONG_LONG $ac_cv_sizeof_long_long" >>confdefs.h # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of void*" >&5 printf %s "checking size of void*... " >&6; } if test ${ac_cv_sizeof_voidp+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (void*))" "ac_cv_sizeof_voidp" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type_voidp" = yes; then { { 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 77 "cannot compute sizeof (void*) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof_voidp=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof_voidp" >&5 printf "%s\n" "$ac_cv_sizeof_voidp" >&6; } printf "%s\n" "#define SIZEOF_VOIDP $ac_cv_sizeof_voidp" >>confdefs.h # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of __int128" >&5 printf %s "checking size of __int128... " >&6; } if test ${ac_cv_sizeof___int128+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (__int128))" "ac_cv_sizeof___int128" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type___int128" = yes; then { { 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 77 "cannot compute sizeof (__int128) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof___int128=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof___int128" >&5 printf "%s\n" "$ac_cv_sizeof___int128" >&6; } printf "%s\n" "#define SIZEOF___INT128 $ac_cv_sizeof___int128" >>confdefs.h # The cast to long int works around a bug in the HP C Compiler # version HP92453-01 B.11.11.23709.GP, which incorrectly rejects # declarations like `int a3[[(sizeof (unsigned char)) >= 0]];'. # This bug is HP SR number 8606223364. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking size of __int128_t" >&5 printf %s "checking size of __int128_t... " >&6; } if test ${ac_cv_sizeof___int128_t+y} then : printf %s "(cached) " >&6 else $as_nop if ac_fn_c_compute_int "$LINENO" "(long int) (sizeof (__int128_t))" "ac_cv_sizeof___int128_t" "$ac_includes_default" then : else $as_nop if test "$ac_cv_type___int128_t" = yes; then { { 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 77 "cannot compute sizeof (__int128_t) See \`config.log' for more details" "$LINENO" 5; } else ac_cv_sizeof___int128_t=0 fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sizeof___int128_t" >&5 printf "%s\n" "$ac_cv_sizeof___int128_t" >&6; } printf "%s\n" "#define SIZEOF___INT128_T $ac_cv_sizeof___int128_t" >>confdefs.h lok=0 testprogs="dreadtest dreadtestS dreadtestS1 dreadtest4K" testprogs="$testprogs dreadtest1 dreadtestW dreadtestW1" if test $ac_cv_sizeof_long_long -eq 8 then : lok=1 testprogs="$testprogs dreadtestL1 dreadtestL" else $as_nop if test $ac_cv_sizeof_long -eq 8 then : lok=1 fi fi ac_fn_c_check_func "$LINENO" "isatty" "ac_cv_func_isatty" if test "x$ac_cv_func_isatty" = xyes then : have_isatty=1 else $as_nop have_isatty=0 fi ac_fn_c_check_func "$LINENO" "time" "ac_cv_func_time" if test "x$ac_cv_func_time" = xyes then : have_time=1 else $as_nop have_time=0 fi ac_fn_c_check_func "$LINENO" "gettimeofday" "ac_cv_func_gettimeofday" if test "x$ac_cv_func_gettimeofday" = xyes then : have_gettimeofday=1 else $as_nop have_gettimeofday=0 fi ac_fn_c_check_func "$LINENO" "times" "ac_cv_func_times" if test "x$ac_cv_func_times" = xyes then : have_times=1 else $as_nop have_times=0 fi ac_fn_c_check_func "$LINENO" "getrusage" "ac_cv_func_getrusage" if test "x$ac_cv_func_getrusage" = xyes then : have_getrusage=1 else $as_nop have_getrusage=0 fi ac_fn_c_check_func "$LINENO" "perror" "ac_cv_func_perror" if test "x$ac_cv_func_perror" = xyes then : have_perror=1 else $as_nop have_perror=0 fi ac_fn_c_check_func "$LINENO" "pipe" "ac_cv_func_pipe" if test "x$ac_cv_func_pipe" = xyes then : have_pipe=1 else $as_nop have_pipe=0 fi ac_fn_c_check_func "$LINENO" "wait" "ac_cv_func_wait" if test "x$ac_cv_func_wait" = xyes then : have_wait=1 else $as_nop have_wait=0 fi ac_fn_c_check_func "$LINENO" "popen" "ac_cv_func_popen" if test "x$ac_cv_func_popen" = xyes then : have_popen=1 else $as_nop have_popen=0 fi ac_fn_c_check_func "$LINENO" "putenv" "ac_cv_func_putenv" if test "x$ac_cv_func_putenv" = xyes then : have_putenv=1 else $as_nop have_putenv=0 fi ac_fn_c_check_func "$LINENO" "setenv" "ac_cv_func_setenv" if test "x$ac_cv_func_setenv" = xyes then : have_setenv=1 else $as_nop have_setenv=0 fi ac_func= for ac_item in $ac_func_c_list do if test $ac_func; then ac_fn_c_check_func "$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. */ $ac_includes_default int main (void) { /* By Ruediger Kuhlmann. */ return fork () < 0; ; return 0; } _ACEOF if ac_fn_c_try_run "$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? (This shouldn't happen.) */ || status /* Did the vfork/compiler bug occur? */ || parent != getpid() /* Did the file descriptor bug occur? */ || fstat(fileno(stdout), &st) != 0 ); } } _ACEOF if ac_fn_c_try_run "$LINENO" then : ac_cv_func_vfork_works=yes else $as_nop ac_cv_func_vfork_works=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_func_vfork_works" >&5 printf "%s\n" "$ac_cv_func_vfork_works" >&6; } fi; if test "x$ac_cv_func_fork_works" = xcross; then ac_cv_func_vfork_works=$ac_cv_func_vfork { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&5 printf "%s\n" "$as_me: WARNING: result $ac_cv_func_vfork_works guessed because of cross compilation" >&2;} fi if test "x$ac_cv_func_vfork_works" = xyes; then printf "%s\n" "#define HAVE_WORKING_VFORK 1" >>confdefs.h else printf "%s\n" "#define vfork fork" >>confdefs.h fi if test "x$ac_cv_func_fork_works" = xyes; then printf "%s\n" "#define HAVE_WORKING_FORK 1" >>confdefs.h fi if test "x$ac_cv_func_fork" = xyes; then have_fork=1 else have_fork=0 fi ac_fn_c_check_func "$LINENO" "fseeko" "ac_cv_func_fseeko" if test "x$ac_cv_func_fseeko" = xyes then : have_fseeko=1 else $as_nop have_fseeko=0 fi ac_fn_c_check_func "$LINENO" "sigaction" "ac_cv_func_sigaction" if test "x$ac_cv_func_sigaction" = xyes then : have_sigaction=1 else $as_nop have_sigaction=0 fi ac_fn_c_check_func "$LINENO" "sigprocmask" "ac_cv_func_sigprocmask" if test "x$ac_cv_func_sigprocmask" = xyes then : have_sigprocmask=1 else $as_nop have_sigprocmask=0 fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if popcnt instruction is available and requested" >&5 printf %s "checking if popcnt instruction is available and requested... " >&6; } if test "$cross_compiling" = yes then : { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "cannot run test program while cross compiling See \`config.log' for more details" "$LINENO" 5; } else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { if (__builtin_cpu_supports("popcnt")) return 0; else return 1; ; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : popsup=1 else $as_nop popsup=0 fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi if test "$allow_popcnt" -eq 1 then : have_hwpopcnt=$popsup test -f /proc/cpuinfo && grep -i popcnt /proc/cpuinfo >/dev/null && have_hwpopcnt=1 test $have_hwpopcnt -eq 0 && sysctl machdep.cpu.features 2>/dev/null | grep -i popcnt >/dev/null && have_hwpopcnt=1 test $have_hwpopcnt -eq 0 && isainfo -x -v 2>/dev/null | grep -i popc >/dev/null && have_hwpopcnt=1 else $as_nop have_hwpopcnt=0 fi # Some problems with popcnt on powerpc are not resolved yet test $is_powerpc -eq 1 && have_hwpopcnt=0 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $have_hwpopcnt" >&5 printf "%s\n" "$have_hwpopcnt" >&6; } SAVE_CFLAGS="$CFLAGS" have_popcnt=0 have_popcntl=0 have_popcntll=0 have_mmpop32=0 have_mmpop64=0 if test $have_hwpopcnt -eq 1 then : if test "$CC" = "icc" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if _mm_popcnt_u32() is supported" >&5 printf %s "checking if _mm_popcnt_u32() is supported... 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" >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main(){unsigned int x; x = _mm_popcnt_u64(x);} _ACEOF if ac_fn_c_try_link "$LINENO" then : have_mmpop64=1 else $as_nop have_mmpop64=0 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $have_mmpop64" >&5 printf "%s\n" "$have_mmpop64" >&6; } else $as_nop CFLAGS="$CFLAGS -mpopcnt" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if __builtin_popcount() is supported" >&5 printf %s "checking if __builtin_popcount() is supported... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(){unsigned int x; x = __builtin_popcount(x);} _ACEOF if ac_fn_c_try_link "$LINENO" then : have_popcnt=1 else $as_nop have_popcnt=0 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $have_popcnt" >&5 printf "%s\n" "$have_popcnt" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if __builtin_popcountl() is supported" >&5 printf %s "checking if __builtin_popcountl() is supported... 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" >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main(){unsigned long long x; x = __builtin_popcountll(x);} _ACEOF if ac_fn_c_try_link "$LINENO" then : have_popcntll=1 else $as_nop have_popcntll=0 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $have_popcntll" >&5 printf "%s\n" "$have_popcntll" >&6; } if test $have_popcnt -eq 1 || test $have_popcntl -eq 1 || test $have_popcntll -eq 1 then : MORECFLAGS="$MORECFLAGS -mpopcnt" fi fi fi CFLAGS="$SAVE_CFLAGS" # Unless --enable-generic is given to configure, we try to use the -march=native compiler # switch. 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" >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main() { double t; long int q; scanf("%ld",&q); t = q; printf("t = %f\n",t); return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_native_ok=yes else $as_nop ac_cv_native_ok=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_native_ok" >&5 printf "%s\n" "$ac_cv_native_ok" >&6; } CFLAGS="$SAVE_CFLAGS" if test "x$ac_cv_native_ok" = xyes then : MORECFLAGS="$MORECFLAGS -march=native" else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if $CC supports -march=native -mno-avx flags" >&5 printf %s "checking if $CC supports -march=native -mno-avx flags... 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