FreeChainXenon/gcc
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

configure.ac: Check for ieeefp.h.

Browse source 
* configure.ac: Check for ieeefp.h.  Check for fabsf in libm.
	* configure: Regenerate.
	* config.h.in: Likewise.
	* c99_protos.h: New file.
	* libgfortran.h: Include c99_protos.h and conditionally ieeefp.h.
	* intrinsics/c99_functions.c (fabsf): New function.

From-SVN: r91832
This commit is contained in:
Eric Botcazou 2004-12-08 00:43:40 +01:00 • committed by Eric Botcazou
parent c08f800e9a
commit 6e4d9244f7
7 changed files with 235 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

80
libgfortran/configure vendored
View file

@ -6450,7 +6450,8 @@ done
for ac_header in sys/mman.h sys/types.h sys/stat.h
for ac_header in sys/mman.h sys/types.h sys/stat.h ieeefp.h
do
as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
if eval "test \"\${$as_ac_Header+set}\" = set"; then
@ -8195,6 +8196,83 @@ _ACEOF
fi
echo "$as_me:$LINENO: checking for fabsf in -lm" >&5
echo $ECHO_N "checking for fabsf in -lm... $ECHO_C" >&6
if test "${ac_cv_lib_m_fabsf+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lm $LIBS"
if test x$gcc_no_link = xyes; then
{ { echo "$as_me:$LINENO: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&5
echo "$as_me: error: Link tests are not allowed after GCC_NO_EXECUTABLES." >&2;}
{ (exit 1); exit 1; }; }
fi
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
/* Override any gcc2 internal prototype to avoid an error. */
#ifdef __cplusplus
extern "C"
#endif
/* We use char because int might match the return type of a gcc2
builtin and then its argument prototype would still apply. */
char fabsf ();
int
main ()
{
fabsf ();
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
ac_cv_lib_m_fabsf=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_m_fabsf=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_lib_m_fabsf" >&5
echo "${ECHO_T}$ac_cv_lib_m_fabsf" >&6
if test $ac_cv_lib_m_fabsf = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_FABSF 1
_ACEOF
fi
echo "$as_me:$LINENO: checking for floorf in -lm" >&5
echo $ECHO_N "checking for floorf in -lm... $ECHO_C" >&6
if test "${ac_cv_lib_m_floorf+set}" = set; then