for ac_cv_func_accept_arg1 in 'int' 'unsigned int' 'SOCKET'; do
for ac_cv_func_accept_arg2 in 'struct sockaddr *' 'const struct sockaddr *' 'void *'; do
for ac_cv_func_accept_arg3 in 'int' 'size_t' 'socklen_t' 'unsigned int' 'void'; do
- AC_TRY_COMPILE(
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE(
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
-extern $ac_cv_func_accept_return accept ($ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_accept_arg3 *);],
- [], [ac_not_found=no; break 4], [ac_not_found=yes])
+extern $ac_cv_func_accept_return accept ($ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_accept_arg3 *);])],
+ [ac_not_found=no; break 4], [ac_not_found=yes])
done
done
done
dnl
AC_DEFUN([ACX_PTHREAD], [
AC_REQUIRE([AC_CANONICAL_HOST])
-AC_LANG_SAVE
-AC_LANG_C
+AC_LANG_PUSH([C])
acx_pthread_ok=no
# We used to check for pthread.h first, but this fails if pthread.h
# pthread_cleanup_push because it is one of the few pthread
# functions on Solaris that doesn't have a non-functional libc stub.
# We try pthread_create on general principles.
- AC_
TRY_LINK([#include <pthread.h>],
+ AC_
LINK_IFELSE([AC_LANG_PROGRAM([#include <pthread.h>],
[pthread_t th; pthread_join(th, 0);
pthread_attr_init(0); pthread_cleanup_push(0, 0);
- pthread_create(0,0,0,0); pthread_cleanup_pop(0); ],
+ pthread_create(0,0,0,0); pthread_cleanup_pop(0); ])],
[acx_pthread_ok=yes], [acx_pthread_ok=no])
if test "x$acx_pthread_ok" = xyes; then
AC_SUBST(PTHREAD_LIBS)
AC_SUBST(PTHREAD_CFLAGS)
-AC_LANG_RESTORE
+AC_LANG_POP([C])
])dnl ACX_PTHREAD
# Check if the C compiler understands signed types.
AC_DEFUN([PGAC_C_SIGNED],
[AC_CACHE_CHECK(for signed types, pgac_cv_c_signed,
-[AC_TRY_COMPILE([],
-[signed char c; signed short s; signed int i;],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
+[signed char c; signed short s; signed int i;])],
[pgac_cv_c_signed=yes],
[pgac_cv_c_signed=no])])
if test x"$pgac_cv_c_signed" = xno ; then
[define([Ac_define], [translit([have_$1_64], [a-z *], [A-Z_P])])dnl
define([Ac_cachevar], [translit([pgac_cv_type_$1_64], [ *], [_p])])dnl
AC_CACHE_CHECK([whether $1 is 64 bits], [Ac_cachevar],
-[AC_TRY_RUN(
+[AC_RUN_IFELSE([AC_LANG_SOURCE(
[typedef $1 ac_int64;
/*
}
main() {
exit(! does_int64_work());
-}],
+}])],
[Ac_cachevar=yes],
[Ac_cachevar=no],
[# If cross-compiling, check the size reported by the compiler and
# Define HAVE_FUNCNAME__FUNC or HAVE_FUNCNAME__FUNCTION accordingly.
AC_DEFUN([PGAC_C_FUNCNAME_SUPPORT],
[AC_CACHE_CHECK(for __func__, pgac_cv_funcname_func_support,
-[AC_TRY_COMPILE([#include <stdio.h>],
-[printf("%s\n", __func__);],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>],
+[printf("%s\n", __func__);])],
[pgac_cv_funcname_func_support=yes],
[pgac_cv_funcname_func_support=no])])
if test x"$pgac_cv_funcname_func_support" = xyes ; then
[Define to 1 if your compiler understands __func__.])
else
AC_CACHE_CHECK(for __FUNCTION__, pgac_cv_funcname_function_support,
-[AC_TRY_COMPILE([#include <stdio.h>],
-[printf("%s\n", __FUNCTION__);],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>],
+[printf("%s\n", __FUNCTION__);])],
[pgac_cv_funcname_function_support=yes],
[pgac_cv_funcname_function_support=no])])
if test x"$pgac_cv_funcname_function_support" = xyes ; then
# gcc-style compound expressions to be able to wrap the thing into macros.
AC_DEFUN([PGAC_C_STATIC_ASSERT],
[AC_CACHE_CHECK(for _Static_assert, pgac_cv__static_assert,
-[AC_TRY_LINK([],
-[({ _Static_assert(1, "foo"); })],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
+[({ _Static_assert(1, "foo"); })])],
[pgac_cv__static_assert=yes],
[pgac_cv__static_assert=no])])
if test x"$pgac_cv__static_assert" = xyes ; then
# have the former and not the latter.
AC_DEFUN([PGAC_C_TYPES_COMPATIBLE],
[AC_CACHE_CHECK(for __builtin_types_compatible_p, pgac_cv__types_compatible,
-[AC_TRY_COMPILE([],
-[ int x; static int y[__builtin_types_compatible_p(__typeof__(x), int)]; ],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
+[[ int x; static int y[__builtin_types_compatible_p(__typeof__(x), int)]; ]])],
[pgac_cv__types_compatible=yes],
[pgac_cv__types_compatible=no])])
if test x"$pgac_cv__types_compatible" = xyes ; then
# and define HAVE__BUILTIN_BSWAP32 if so.
AC_DEFUN([PGAC_C_BUILTIN_BSWAP32],
[AC_CACHE_CHECK(for __builtin_bswap32, pgac_cv__builtin_bswap32,
-[AC_TRY_COMPILE([static unsigned long int x = __builtin_bswap32(0xaabbccdd);],
-[],
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+[static unsigned long int x = __builtin_bswap32(0xaabbccdd);]
+)],
[pgac_cv__builtin_bswap32=yes],
[pgac_cv__builtin_bswap32=no])])
if test x"$pgac_cv__builtin_bswap32" = xyes ; then
# and define HAVE__BUILTIN_CONSTANT_P if so.
AC_DEFUN([PGAC_C_BUILTIN_CONSTANT_P],
[AC_CACHE_CHECK(for __builtin_constant_p, pgac_cv__builtin_constant_p,
-[AC_TRY_COMPILE([static int x; static int y[__builtin_constant_p(x) ? x : 1];],
-[],
+[AC_COMPILE_IFELSE([AC_LANG_SOURCE(
+[[static int x; static int y[__builtin_constant_p(x) ? x : 1];]]
+)],
[pgac_cv__builtin_constant_p=yes],
[pgac_cv__builtin_constant_p=no])])
if test x"$pgac_cv__builtin_constant_p" = xyes ; then
# and only a warning instead of an error would be produced.
AC_DEFUN([PGAC_C_BUILTIN_UNREACHABLE],
[AC_CACHE_CHECK(for __builtin_unreachable, pgac_cv__builtin_unreachable,
-[AC_TRY_LINK([],
-[__builtin_unreachable();],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
+[__builtin_unreachable();])],
[pgac_cv__builtin_unreachable=yes],
[pgac_cv__builtin_unreachable=no])])
if test x"$pgac_cv__builtin_unreachable" = xyes ; then
# and define HAVE__VA_ARGS if so.
AC_DEFUN([PGAC_C_VA_ARGS],
[AC_CACHE_CHECK(for __VA_ARGS__, pgac_cv__va_args,
-[AC_TRY_COMPILE([#include <stdio.h>],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>],
[#define debug(...) fprintf(stderr, __VA_ARGS__)
debug("%s", "blarg");
-],
+])],
[pgac_cv__va_args=yes],
[pgac_cv__va_args=no])])
if test x"$pgac_cv__va_args" = xyes ; then
# NB: Some platforms only do 32bit tas, others only do 8bit tas. Test both.
AC_DEFUN([PGAC_HAVE_GCC__SYNC_CHAR_TAS],
[AC_CACHE_CHECK(for builtin __sync char locking functions, pgac_cv_gcc_sync_char_tas,
-[AC_TRY_LINK([],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[char lock = 0;
__sync_lock_test_and_set(&lock, 1);
- __sync_lock_release(&lock);],
+ __sync_lock_release(&lock);])],
[pgac_cv_gcc_sync_char_tas="yes"],
[pgac_cv_gcc_sync_char_tas="no"])])
if test x"$pgac_cv_gcc_sync_char_tas" = x"yes"; then
# and define HAVE_GCC__SYNC_INT32_TAS
AC_DEFUN([PGAC_HAVE_GCC__SYNC_INT32_TAS],
[AC_CACHE_CHECK(for builtin __sync int32 locking functions, pgac_cv_gcc_sync_int32_tas,
-[AC_TRY_LINK([],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[int lock = 0;
__sync_lock_test_and_set(&lock, 1);
- __sync_lock_release(&lock);],
+ __sync_lock_release(&lock);])],
[pgac_cv_gcc_sync_int32_tas="yes"],
[pgac_cv_gcc_sync_int32_tas="no"])])
if test x"$pgac_cv_gcc_sync_int32_tas" = x"yes"; then
# types, and define HAVE_GCC__SYNC_INT32_CAS if so.
AC_DEFUN([PGAC_HAVE_GCC__SYNC_INT32_CAS],
[AC_CACHE_CHECK(for builtin __sync int32 atomic operations, pgac_cv_gcc_sync_int32_cas,
-[AC_TRY_LINK([],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[int val = 0;
- __sync_val_compare_and_swap(&val, 0, 37);],
+ __sync_val_compare_and_swap(&val, 0, 37);])],
[pgac_cv_gcc_sync_int32_cas="yes"],
[pgac_cv_gcc_sync_int32_cas="no"])])
if test x"$pgac_cv_gcc_sync_int32_cas" = x"yes"; then
# types, and define HAVE_GCC__SYNC_INT64_CAS if so.
AC_DEFUN([PGAC_HAVE_GCC__SYNC_INT64_CAS],
[AC_CACHE_CHECK(for builtin __sync int64 atomic operations, pgac_cv_gcc_sync_int64_cas,
-[AC_TRY_LINK([],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[PG_INT64_TYPE lock = 0;
- __sync_val_compare_and_swap(&lock, 0, (PG_INT64_TYPE) 37);],
+ __sync_val_compare_and_swap(&lock, 0, (PG_INT64_TYPE) 37);])],
[pgac_cv_gcc_sync_int64_cas="yes"],
[pgac_cv_gcc_sync_int64_cas="no"])])
if test x"$pgac_cv_gcc_sync_int64_cas" = x"yes"; then
# types, and define HAVE_GCC__ATOMIC_INT32_CAS if so.
AC_DEFUN([PGAC_HAVE_GCC__ATOMIC_INT32_CAS],
[AC_CACHE_CHECK(for builtin __atomic int32 atomic operations, pgac_cv_gcc_atomic_int32_cas,
-[AC_TRY_LINK([],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[int val = 0;
int expect = 0;
- __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);],
+ __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);])],
[pgac_cv_gcc_atomic_int32_cas="yes"],
[pgac_cv_gcc_atomic_int32_cas="no"])])
if test x"$pgac_cv_gcc_atomic_int32_cas" = x"yes"; then
# types, and define HAVE_GCC__ATOMIC_INT64_CAS if so.
AC_DEFUN([PGAC_HAVE_GCC__ATOMIC_INT64_CAS],
[AC_CACHE_CHECK(for builtin __atomic int64 atomic operations, pgac_cv_gcc_atomic_int64_cas,
-[AC_TRY_LINK([],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([],
[PG_INT64_TYPE val = 0;
PG_INT64_TYPE expect = 0;
- __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);],
+ __atomic_compare_exchange_n(&val, &expect, 37, 0, __ATOMIC_SEQ_CST, __ATOMIC_RELAXED);])],
[pgac_cv_gcc_atomic_int64_cas="yes"],
[pgac_cv_gcc_atomic_int64_cas="no"])])
if test x"$pgac_cv_gcc_atomic_int64_cas" = x"yes"; then
CFLAGS="$pgac_save_CFLAGS $1"
ac_save_c_werror_flag=$ac_c_werror_flag
ac_c_werror_flag=yes
-AC_TRY_LINK([#include <nmmintrin.h>],
+AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <nmmintrin.h>],
[unsigned int crc = 0;
crc = _mm_crc32_u8(crc, 0);
- crc = _mm_crc32_u32(crc, 0);],
+ crc = _mm_crc32_u32(crc, 0);])],
[Ac_cachevar=yes],
[Ac_cachevar=no])
ac_c_werror_flag=$ac_save_c_werror_flag
# HAVE_INT_TIMEZONE.
AC_DEFUN([PGAC_VAR_INT_TIMEZONE],
[AC_CACHE_CHECK(for int timezone, pgac_cv_var_int_timezone,
-[AC_TRY_LINK([#include <time.h>
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <time.h>
int res;],
[#ifndef __CYGWIN__
res = timezone / 60;
#else
res = _timezone / 60;
-#endif],
+#endif])],
[pgac_cv_var_int_timezone=yes],
[pgac_cv_var_int_timezone=no])])
if test x"$pgac_cv_var_int_timezone" = xyes ; then
`HAVE_STRUCT_TM_TM_ZONE' instead.])
fi
AC_CACHE_CHECK(for tzname, ac_cv_var_tzname,
-[AC_TRY_LINK(
-[#include <time.h>
+[AC_LINK_IFELSE([AC_LANG_PROGRAM(
+[[#include <time.h>
#ifndef tzname /* For SGI. */
extern char *tzname[]; /* RS6000 and others reject char **tzname. */
#endif
-],
-[atoi(*tzname);], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
+]],
+[atoi(*tzname);])], ac_cv_var_tzname=yes, ac_cv_var_tzname=no)])
if test $ac_cv_var_tzname = yes; then
AC_DEFINE(HAVE_TZNAME, 1,
[Define to 1 if you have the external array `tzname'.])
AC_DEFUN([PGAC_FUNC_GETTIMEOFDAY_1ARG],
[AC_CACHE_CHECK(whether gettimeofday takes only one argument,
pgac_cv_func_gettimeofday_1arg,
-[AC_TRY_COMPILE([#include <sys/time.h>],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <sys/time.h>],
[struct timeval *tp;
struct timezone *tzp;
-gettimeofday(tp,tzp);],
+gettimeofday(tp,tzp);])],
[pgac_cv_func_gettimeofday_1arg=no],
[pgac_cv_func_gettimeofday_1arg=yes])])
if test x"$pgac_cv_func_gettimeofday_1arg" = xyes ; then
AC_DEFUN([PGAC_FUNC_STRERROR_R_INT],
[AC_CACHE_CHECK(whether strerror_r returns int,
pgac_cv_func_strerror_r_int,
-[AC_TRY_COMPILE([#include <string.h>],
+[AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <string.h>],
[#ifndef _AIX
int strerror_r(int, char *, size_t);
#else
/* Older AIX has 'int' for the third argument so we don't test the args. */
int strerror_r();
-#endif],
+#endif])],
[pgac_cv_func_strerror_r_int=yes],
[pgac_cv_func_strerror_r_int=no])])
if test x"$pgac_cv_func_strerror_r_int" = xyes ; then
# a fancier check.
AC_DEFUN([PGAC_FUNC_POSIX_SIGNALS],
[AC_CACHE_CHECK(for POSIX signal interface, pgac_cv_func_posix_signals,
-[AC_TRY_LINK([#include <signal.h>
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <signal.h>
],
[struct sigaction act, oact;
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
-sigaction(0, &act, &oact);],
+sigaction(0, &act, &oact);])],
[pgac_cv_func_posix_signals=yes],
[pgac_cv_func_posix_signals=no])])
if test x"$pgac_cv_func_posix_signals" = xyes ; then
[AC_MSG_CHECKING([snprintf length modifier for long long int])
AC_CACHE_VAL(pgac_cv_snprintf_long_long_int_modifier,
[for pgac_modifier in 'll' 'q' 'I64'; do
-AC_TRY_RUN([#include <stdio.h>
+AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
typedef long long int ac_int64;
#define INT64_FORMAT "%${pgac_modifier}d"
}
main() {
exit(! does_int64_snprintf_work());
-}],
+}]])],
[pgac_cv_snprintf_long_long_int_modifier=$pgac_modifier; break],
[],
[pgac_cv_snprintf_long_long_int_modifier=cross; break])
AC_DEFUN([PGAC_FUNC_SNPRINTF_ARG_CONTROL],
[AC_MSG_CHECKING([whether snprintf supports argument control])
AC_CACHE_VAL(pgac_cv_snprintf_arg_control,
-[AC_TRY_RUN([#include <stdio.h>
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <string.h>
int main()
if (strcmp(buf, "4 3") != 0)
return 1;
return 0;
-}],
+}]])],
[pgac_cv_snprintf_arg_control=yes],
[pgac_cv_snprintf_arg_control=no],
[pgac_cv_snprintf_arg_control=cross])
AC_DEFUN([PGAC_FUNC_SNPRINTF_SIZE_T_SUPPORT],
[AC_MSG_CHECKING([whether snprintf supports the %z modifier])
AC_CACHE_VAL(pgac_cv_snprintf_size_t_support,
-[AC_TRY_RUN([#include <stdio.h>
+[AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#include <string.h>
int main()
if (strcmp(bufz, buf64) != 0)
return 1;
return 0;
-}],
+}]])],
[pgac_cv_snprintf_size_t_support=yes],
[pgac_cv_snprintf_size_t_support=no],
[pgac_cv_snprintf_size_t_support=cross])
AC_DEFUN([PGAC_VAR_RL_COMPLETION_APPEND_CHARACTER],
[AC_CACHE_CHECK([for rl_completion_append_character], pgac_cv_var_rl_completion_append_character,
-[AC_TRY_LINK([#include <stdio.h>
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <stdio.h>
#ifdef HAVE_READLINE_READLINE_H
# include <readline/readline.h>
#elif defined(HAVE_READLINE_H)
# include <readline.h>
#endif
],
-[rl_completion_append_character = 'x';],
+[rl_completion_append_character = 'x';])],
[pgac_cv_var_rl_completion_append_character=yes],
[pgac_cv_var_rl_completion_append_character=no])])
if test x"$pgac_cv_var_rl_completion_append_character" = x"yes"; then
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
static unsigned long int x = __builtin_bswap32(0xaabbccdd);
-int
-main ()
-{
- ;
- return 0;
-}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
pgac_cv__builtin_bswap32=yes
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
static int x; static int y[__builtin_constant_p(x) ? x : 1];
-int
-main ()
-{
- ;
- return 0;
-}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
pgac_cv__builtin_constant_p=yes
#include <sys/socket.h>
#endif
extern $ac_cv_func_accept_return accept ($ac_cv_func_accept_arg1, $ac_cv_func_accept_arg2, $ac_cv_func_accept_arg3 *);
-int
-main ()
-{
-
- ;
- return 0;
-}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
ac_not_found=no; break 4
_ACEOF
-
ac_fn_c_check_func "$LINENO" "syslog" "ac_cv_func_syslog"
if test "x$ac_cv_func_syslog" = xyes; then :
ac_fn_c_check_header_mongrel "$LINENO" "syslog.h" "ac_cv_header_syslog_h" "$ac_includes_default"
if test "$enable_thread_safety" = yes -a "$PORTNAME" != "win32"; then
-
ac_ext=c
ac_cpp='$CPP $CPPFLAGS'
ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
#define INT64CONST(x) x##LL
long long int foo = INT64CONST(0x1234567890123456);
-int
-main ()
-{
-
- ;
- return 0;
-}
_ACEOF
if ac_fn_c_try_compile "$LINENO"; then :
# Check if it's Intel's compiler, which (usually) pretends to be gcc,
# but has idiosyncrasies of its own. We assume icc will define
# __INTEL_COMPILER regardless of CFLAGS.
-AC_TRY_COMPILE([], [@%:@ifndef __INTEL_COMPILER
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __INTEL_COMPILER
choke me
-@%:@endif], [ICC=[yes]], [ICC=[no]])
+@%:@endif])], [ICC=yes], [ICC=no])
# Check if it's Sun Studio compiler. We assume that
# __SUNPRO_C will be defined for Sun Studio compilers
-AC_TRY_COMPILE([], [@%:@ifndef __SUNPRO_C
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifndef __SUNPRO_C
choke me
-@%:@endif], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
+@%:@endif])], [SUN_STUDIO_CC=yes], [SUN_STUDIO_CC=no])
AC_SUBST(SUN_STUDIO_CC)
# Check if the compiler still works with the final flag settings
AC_MSG_CHECKING([whether the C compiler still works])
-AC_TRY_LINK([], [return 0;],
+AC_LINK_IFELSE([AC_LANG_PROGRAM([], [return 0;])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([cannot proceed])])
# Defend against gcc -ffast-math
if test "$GCC" = yes; then
-AC_TRY_COMPILE([], [@%:@ifdef __FAST_MATH__
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [@%:@ifdef __FAST_MATH__
choke me
-@%:@endif], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
+@%:@endif])], [], [AC_MSG_ERROR([do not put -ffast-math in CFLAGS])])
fi
AC_PROG_CPP
AC_CACHE_CHECK([whether ld -R works], [pgac_cv_prog_ld_R],
[
pgac_save_LDFLAGS=$LDFLAGS; LDFLAGS="$LDFLAGS -Wl,-R/usr/lib"
- AC_TRY_LINK([], [], [pgac_cv_prog_ld_R=yes], [pgac_cv_prog_ld_R=no])
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [])],
+ [pgac_cv_prog_ld_R=yes],
+ [pgac_cv_prog_ld_R=no])
LDFLAGS=$pgac_save_LDFLAGS
])
ld_R_works=$pgac_cv_prog_ld_R
case $host_cpu in
ppc*|powerpc*)
AC_MSG_CHECKING([whether assembler supports lwarx hint bit])
- AC_TRY_COMPILE([],
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([],
[int a = 0; int *p = &a; int r;
- __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));],
+ __asm__ __volatile__ (" lwarx %0,0,%1,1\n" : "=&r"(r) : "r"(p));])],
[pgac_cv_have_ppc_mutex_hint=yes],
[pgac_cv_have_ppc_mutex_hint=no])
AC_MSG_RESULT([$pgac_cv_have_ppc_mutex_hint])
AC_SUBST(HAVE_IPV6)
AC_CACHE_CHECK([for PS_STRINGS], [pgac_cv_var_PS_STRINGS],
-[AC_TRY_LINK(
+[AC_LINK_IFELSE([AC_LANG_PROGRAM(
[#include <machine/vmparam.h>
#include <sys/exec.h>
],
[PS_STRINGS->ps_nargvstr = 1;
-PS_STRINGS->ps_argvstr = "foo";],
+PS_STRINGS->ps_argvstr = "foo";])],
[pgac_cv_var_PS_STRINGS=yes],
[pgac_cv_var_PS_STRINGS=no])])
if test "$pgac_cv_var_PS_STRINGS" = yes ; then
dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
-[AC_TRY_LINK([
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <math.h>
double glob_double;
],
-[return isinf(glob_double) ? 0 : 1;],
+[return isinf(glob_double) ? 0 : 1;])],
[ac_cv_func_isinf=yes],
[ac_cv_func_isinf=no])])
dnl (especially on GNU libc)
dnl See also comments in c.h.
AC_CACHE_CHECK([for sigsetjmp], pgac_cv_func_sigsetjmp,
-[AC_TRY_LINK([#include <setjmp.h>],
- [sigjmp_buf x; sigsetjmp(x, 1);],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <setjmp.h>],
+ [sigjmp_buf x; sigsetjmp(x, 1);])],
[pgac_cv_func_sigsetjmp=yes],
[pgac_cv_func_sigsetjmp=no])])
if test x"$pgac_cv_func_sigsetjmp" = x"yes"; then
AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
fi
-AC_DECL_SYS_SIGLIST
+AC_CHECK_DECLS([sys_siglist], [], [],
+[#include <signal.h>
+/* NetBSD declares sys_siglist in unistd.h. */
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+])
AC_CHECK_FUNC(syslog,
[AC_CHECK_HEADER(syslog.h,
[AC_DEFINE(HAVE_SYSLOG, 1, [Define to 1 if you have the syslog interface.])])])
AC_CACHE_CHECK([for opterr], pgac_cv_var_int_opterr,
-[AC_TRY_LINK([#include <unistd.h>],
- [extern int opterr; opterr = 1;],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
+ [extern int opterr; opterr = 1;])],
[pgac_cv_var_int_opterr=yes],
[pgac_cv_var_int_opterr=no])])
if test x"$pgac_cv_var_int_opterr" = x"yes"; then
fi
AC_CACHE_CHECK([for optreset], pgac_cv_var_int_optreset,
-[AC_TRY_LINK([#include <unistd.h>],
- [extern int optreset; optreset = 1;],
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <unistd.h>],
+ [extern int optreset; optreset = 1;])],
[pgac_cv_var_int_optreset=yes],
[pgac_cv_var_int_optreset=no])])
if test x"$pgac_cv_var_int_optreset" = x"yes"; then
# This check should come after all modifications of compiler or linker
# variables, and before any other run tests.
AC_MSG_CHECKING([test program])
-AC_TRY_RUN([int main() { return 0; }],
+AC_RUN_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
[AC_MSG_RESULT(ok)],
[AC_MSG_RESULT(failed)
AC_MSG_ERROR([[
dnl If we need to use "long long int", figure out whether nnnLL notation works.
if test x"$HAVE_LONG_LONG_INT_64" = xyes ; then
- AC_TRY_COMPILE([
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#define INT64CONST(x) x##LL
long long int foo = INT64CONST(0x1234567890123456);
-],
- [],
+])],
[AC_DEFINE(HAVE_LL_CONSTANTS, 1, [Define to 1 if constants of type 'long long int' should have the suffix LL.])],
[])
fi
# Check for x86 cpuid instruction
AC_CACHE_CHECK([for __get_cpuid], [pgac_cv__get_cpuid],
-[AC_TRY_LINK([#include <cpuid.h>],
- [unsigned int exx[4] = {0, 0, 0, 0};
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <cpuid.h>],
+ [[unsigned int exx[4] = {0, 0, 0, 0};
__get_cpuid(1, &exx[0], &exx[1], &exx[2], &exx[3]);
- ],
+ ]])],
[pgac_cv__get_cpuid="yes"],
[pgac_cv__get_cpuid="no"])])
if test x"$pgac_cv__get_cpuid" = x"yes"; then
fi
AC_CACHE_CHECK([for __cpuid], [pgac_cv__cpuid],
-[AC_TRY_LINK([#include <intrin.h>],
- [unsigned int exx[4] = {0, 0, 0, 0};
+[AC_LINK_IFELSE([AC_LANG_PROGRAM([#include <intrin.h>],
+ [[unsigned int exx[4] = {0, 0, 0, 0};
__get_cpuid(exx[0], 1);
- ],
+ ]])],
[pgac_cv__cpuid="yes"],
[pgac_cv__cpuid="no"])])
if test x"$pgac_cv__cpuid" = x"yes"; then
# Are we targeting a processor that supports SSE 4.2? gcc, clang and icc all
# define __SSE4_2__ in that case.
-AC_TRY_COMPILE([], [
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#ifndef __SSE4_2__
#error __SSE4_2__ not defined
#endif
-], [SSE4_2_TARGETED=1])
+])], [SSE4_2_TARGETED=1])
# Select CRC-32C implementation.
#
pgac_save_LIBS=$LIBS
LIBS="$perl_embed_ldflags"
AC_MSG_CHECKING([for libperl])
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([
#include <EXTERN.h>
#include <perl.h>
-], [perl_alloc();],
+], [perl_alloc();])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([libperl library is required for Perl])])
_LIBS="$LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS -DIN_CONFIGURE"
LIBS="$LIBS $PTHREAD_LIBS"
-AC_TRY_RUN([#include "$srcdir/src/test/thread/thread_test.c"],
+AC_RUN_IFELSE(
+ [AC_LANG_SOURCE([[#include "$srcdir/src/test/thread/thread_test.c"]])],
[AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)
AC_MSG_ERROR([thread test program failed
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