libgfor_cv_have_attribute_visibility, [
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
- AC_TRY_COMPILE([void __attribute__((visibility("hidden"))) foo(void) { }],
- [], libgfor_cv_have_attribute_visibility=yes,
- libgfor_cv_have_attribute_visibility=no)
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void __attribute__((visibility("hidden"))) foo(void) { }]], [])],
+ libgfor_cv_have_attribute_visibility=yes,
+ libgfor_cv_have_attribute_visibility=no)
CFLAGS="$save_CFLAGS"])
if test $libgfor_cv_have_attribute_visibility = yes; then
AC_DEFINE(HAVE_ATTRIBUTE_VISIBILITY, 1,
libgfor_cv_have_attribute_dllexport, [
save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Werror"
- AC_TRY_COMPILE([void __attribute__((dllexport)) foo(void) { }],
- [], libgfor_cv_have_attribute_dllexport=yes,
- libgfor_cv_have_attribute_dllexport=no)
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[void __attribute__((dllexport)) foo(void) { }]], [])],
+ libgfor_cv_have_attribute_dllexport=yes,
+ libgfor_cv_have_attribute_dllexport=no)
CFLAGS="$save_CFLAGS"])
if test $libgfor_cv_have_attribute_dllexport = yes; then
AC_DEFINE(HAVE_ATTRIBUTE_DLLEXPORT, 1,
AC_DEFUN([LIBGFOR_CHECK_ATTRIBUTE_ALIAS], [
AC_CACHE_CHECK([whether the target supports symbol aliases],
libgfor_cv_have_attribute_alias, [
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
void foo(void) { }
-extern void bar(void) __attribute__((alias("foo")));],
- [bar();], libgfor_cv_have_attribute_alias=yes, libgfor_cv_have_attribute_alias=no)])
+extern void bar(void) __attribute__((alias("foo")));]],
+ [[bar();]])], libgfor_cv_have_attribute_alias=yes, libgfor_cv_have_attribute_alias=no)])
if test $libgfor_cv_have_attribute_alias = yes; then
AC_DEFINE(HAVE_ATTRIBUTE_ALIAS, 1,
[Define to 1 if the target supports __attribute__((alias(...))).])
AC_DEFUN([LIBGFOR_CHECK_SYNC_FETCH_AND_ADD], [
AC_CACHE_CHECK([whether the target supports __sync_fetch_and_add],
libgfor_cv_have_sync_fetch_and_add, [
- AC_TRY_LINK([int foovar = 0;], [
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[int foovar = 0;]], [[
if (foovar <= 0) return __sync_fetch_and_add (&foovar, 1);
-if (foovar > 10) return __sync_add_and_fetch (&foovar, -1);],
+if (foovar > 10) return __sync_add_and_fetch (&foovar, -1);]])],
libgfor_cv_have_sync_fetch_and_add=yes, libgfor_cv_have_sync_fetch_and_add=no)])
if test $libgfor_cv_have_sync_fetch_and_add = yes; then
AC_DEFINE(HAVE_SYNC_FETCH_AND_ADD, 1,
libgfor_cv_have_pragma_weak, [
gfor_save_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wunknown-pragmas"
- AC_TRY_COMPILE([void foo (void);
-#pragma weak foo], [if (foo) foo ();],
- libgfor_cv_have_pragma_weak=yes, libgfor_cv_have_pragma_weak=no)])
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
+void foo (void);
+#pragma weak foo
+]], [[if (foo) foo ();]])],
+ libgfor_cv_have_pragma_weak=yes, libgfor_cv_have_pragma_weak=no)])
if test $libgfor_cv_have_pragma_weak = yes; then
AC_DEFINE(SUPPORTS_WEAK, 1,
[Define to 1 if the target supports #pragma weak])
fi
case "$host" in
- *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
+ *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | alpha*-dec-osf* )
AC_DEFINE(GTHREAD_USE_WEAK, 0,
[Define to 0 if the target shouldn't use #pragma weak])
;;
AC_DEFUN([LIBGFOR_CHECK_UNLINK_OPEN_FILE], [
AC_CACHE_CHECK([whether the target can unlink an open file],
libgfor_cv_have_unlink_open_file, [
- AC_TRY_RUN([
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <errno.h>
#include <fcntl.h>
#include <unistd.h>
return 0;
else
return 1;
-}], libgfor_cv_have_unlink_open_file=yes, libgfor_cv_have_unlink_open_file=no, [
+}]])], libgfor_cv_have_unlink_open_file=yes, libgfor_cv_have_unlink_open_file=no, [
case "${target}" in
*mingw*) libgfor_cv_have_unlink_open_file=no ;;
*) libgfor_cv_have_unlink_open_file=yes;;
AC_DEFUN([LIBGFOR_CHECK_CRLF], [
AC_CACHE_CHECK([whether the target has CRLF as line terminator],
libgfor_cv_have_crlf, [
- AC_TRY_RUN([
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
/* This test program should exit with status 0 if system uses a CRLF as
line terminator, and status 1 otherwise.
Since it is used to check for mingw systems, and should return 0 in any
else
exit(1);
#endif
-}], libgfor_cv_have_crlf=yes, libgfor_cv_have_crlf=no, [
+}]])], libgfor_cv_have_crlf=yes, libgfor_cv_have_crlf=no, [
case "${target}" in
*mingw*) libgfor_cv_have_crlf=yes ;;
*) libgfor_cv_have_crlf=no;;
AC_DEFUN([LIBGFOR_CHECK_WORKING_STAT], [
AC_CACHE_CHECK([whether the target stat is reliable],
libgfor_cv_have_working_stat, [
- AC_TRY_RUN([
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
fclose(f);
fclose(g);
return 0;
-}], libgfor_cv_have_working_stat=yes, libgfor_cv_have_working_stat=no, [
+}]])], libgfor_cv_have_working_stat=yes, libgfor_cv_have_working_stat=no, [
case "${target}" in
*mingw*) libgfor_cv_have_working_stat=no ;;
*) libgfor_cv_have_working_stat=yes;;
dnl Checks for fpsetmask function.
AC_DEFUN([LIBGFOR_CHECK_FPSETMASK], [
AC_CACHE_CHECK([whether fpsetmask is present], libgfor_cv_have_fpsetmask, [
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#if HAVE_FLOATINGPOINT_H
# include <floatingpoint.h>
#endif /* HAVE_FLOATINGPOINT_H */
#if HAVE_IEEEFP_H
# include <ieeefp.h>
-#endif /* HAVE_IEEEFP_H */],[fpsetmask(0);],
+#endif /* HAVE_IEEEFP_H */]],[[fpsetmask(0);]])],
eval "libgfor_cv_have_fpsetmask=yes", eval "libgfor_cv_have_fpsetmask=no")
])
if test x"$libgfor_cv_have_fpsetmask" = xyes; then
+ have_fpsetmask=yes
AC_DEFINE(HAVE_FPSETMASK, 1, [Define if you have fpsetmask.])
fi
])
dnl Check whether we have a mingw that provides a __mingw_snprintf function
AC_DEFUN([LIBGFOR_CHECK_MINGW_SNPRINTF], [
AC_CACHE_CHECK([whether __mingw_snprintf is present], libgfor_cv_have_mingw_snprintf, [
- AC_TRY_LINK([
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <stdio.h>
extern int __mingw_snprintf (char *, size_t, const char *, ...);
-],[
+]],[[
__mingw_snprintf (NULL, 0, "%d\n", 1);
-],
+]])],
eval "libgfor_cv_have_mingw_snprintf=yes", eval "libgfor_cv_have_mingw_snprintf=no")
])
if test x"$libgfor_cv_have_mingw_snprintf" = xyes; then
dnl Check whether we have a __float128 type
AC_DEFUN([LIBGFOR_CHECK_FLOAT128], [
LIBQUADSPEC=
+
+ if test "x$enable_libquadmath_support" != xno; then
+
AC_CACHE_CHECK([whether we have a usable __float128 type],
libgfor_cv_have_float128, [
- AC_TRY_LINK([
-/* no header */
-],[
- typedef _Complex float __attribute__((mode(TC))) __complex128;
-
- __float128 x;
- x = __builtin_huge_valq() - 2.e1000Q;
-
- __complex128 z1, z2;
- z1 = x;
- z2 = 2.Q;
-
- z1 /= z2;
- z1 /= 7.Q;
-],
- libgfor_cv_have_float128=yes,
- libgfor_cv_have_float128=no)
- ])
+ GCC_TRY_COMPILE_OR_LINK([
+ typedef _Complex float __attribute__((mode(TC))) __complex128;
+
+ __float128 foo (__float128 x)
+ {
+
+ __complex128 z1, z2;
+
+ z1 = x;
+ z2 = x / 7.Q;
+ z2 /= z1;
+
+ return (__float128) z2;
+ }
+
+ __float128 bar (__float128 x)
+ {
+ return x * __builtin_huge_valq ();
+ }
+ ],[
+ foo (1.2Q);
+ bar (1.2Q);
+ ],[
+ libgfor_cv_have_float128=yes
+ ],[
+ libgfor_cv_have_float128=no
+])])
if test "x$libgfor_cv_have_float128" = xyes; then
AC_DEFINE(HAVE_FLOAT128, 1, [Define if have a usable __float128 type.])
LIBQUADINCLUDE=
fi
fi
+ else
+ # for --disable-quadmath
+ LIBQUADLIB=
+ LIBQUADLIB_DEP=
+ LIBQUADINCLUDE=
+ fi
dnl For the spec file
AC_SUBST(LIBQUADSPEC)
projects / gcc.git / blobdiff