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re PR libfortran/15292 (libgfortran depends on c99 functionality round and roundf) 

PR gfortran/15292
	* intrinsics/c99_functions.c: New file.
	* Makefile.am: Add new file.
	* configure.ac: Added test for round/roundf.
	* Makefile.in: Regenerate.
	* configure: Regenerate.
        * configure.h.in: Regenerate.

From-SVN: r83036
This commit is contained in:
Bud Davis 2004-06-12 17:59:30 +00:00 committed by Paul Brook
parent 2bd7494908
commit a2a2059fd7
7 changed files with 308 additions and 71 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
libgfortran/ChangeLog
View File

@ -1,3 +1,14 @@
2004-6-12 Bud Davis <bdavis9659@comcast.net>
Steve Kargl <sgk@troutmask.apl.washington.edu>
PR gfortran/15292
* intrinsics/c99_functions.c: New file.
* Makefile.am: Add new file.
* configure.ac: Added test for round/roundf.
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.h.in: Regenerate.
2004-06-12 Steven G. Kargl <kargls@comcast.net>
* Makefile.am: Add rand.c and etime.c

1
libgfortran/Makefile.am
View File

@ -37,6 +37,7 @@ gfor_helper_src= \
intrinsics/associated.c \
intrinsics/abort.c \
intrinsics/args.c \
intrinsics/c99_functions.c \
intrinsics/cpu_time.c \
intrinsics/cshift0.c \
intrinsics/date_and_time.c \

23
libgfortran/Makefile.in
View File

@ -118,12 +118,13 @@ am__objects_31 = $(am__objects_2) $(am__objects_3) $(am__objects_4) \
am__objects_32 = backspace.lo close.lo endfile.lo format.lo inquire.lo \
list_read.lo lock.lo open.lo read.lo rewind.lo transfer.lo \
unit.lo unix.lo write.lo
am__objects_33 = associated.lo abort.lo args.lo cpu_time.lo cshift0.lo \
date_and_time.lo eoshift0.lo eoshift2.lo etime.lo ishftc.lo \
pack_generic.lo size.lo spread_generic.lo string_intrinsics.lo \
rand.lo random.lo reshape_generic.lo reshape_packed.lo \
selected_kind.lo system_clock.lo transpose_generic.lo \
unpack_generic.lo in_pack_generic.lo in_unpack_generic.lo
am__objects_33 = associated.lo abort.lo args.lo c99_functions.lo \
cpu_time.lo cshift0.lo date_and_time.lo eoshift0.lo \
eoshift2.lo etime.lo ishftc.lo pack_generic.lo size.lo \
spread_generic.lo string_intrinsics.lo rand.lo random.lo \
reshape_generic.lo reshape_packed.lo selected_kind.lo \
system_clock.lo transpose_generic.lo unpack_generic.lo \
in_pack_generic.lo in_unpack_generic.lo
am__objects_34 =
am__objects_35 = _abs_c4.lo _abs_c8.lo _abs_i4.lo _abs_i8.lo \
_abs_r4.lo _abs_r8.lo _exp_r4.lo _exp_r8.lo _exp_c4.lo \
@ -309,6 +310,7 @@ gfor_helper_src = \
intrinsics/associated.c \
intrinsics/abort.c \
intrinsics/args.c \
intrinsics/c99_functions.c \
intrinsics/cpu_time.c \
intrinsics/cshift0.c \
intrinsics/date_and_time.c \
@ -1986,6 +1988,15 @@ args.obj: intrinsics/args.c
args.lo: intrinsics/args.c
$(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o args.lo `test -f 'intrinsics/args.c' || echo '$(srcdir)/'`intrinsics/args.c
c99_functions.o: intrinsics/c99_functions.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o c99_functions.o `test -f 'intrinsics/c99_functions.c' || echo '$(srcdir)/'`intrinsics/c99_functions.c
c99_functions.obj: intrinsics/c99_functions.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o c99_functions.obj `if test -f 'intrinsics/c99_functions.c'; then $(CYGPATH_W) 'intrinsics/c99_functions.c'; else $(CYGPATH_W) '$(srcdir)/intrinsics/c99_functions.c'; fi`
c99_functions.lo: intrinsics/c99_functions.c
$(LIBTOOL) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o c99_functions.lo `test -f 'intrinsics/c99_functions.c' || echo '$(srcdir)/'`intrinsics/c99_functions.c
cpu_time.o: intrinsics/cpu_time.c
$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CFLAGS) $(CFLAGS) -c -o cpu_time.o `test -f 'intrinsics/cpu_time.c' || echo '$(srcdir)/'`intrinsics/cpu_time.c

14
libgfortran/config.h.in
View File

@ -1,4 +1,4 @@
/* config.h.in. Generated from configure.in by autoheader. */
/* config.h.in. Generated from configure.ac by autoheader. */
/* Does gettimeofday take a single argument */
#undef GETTIMEOFDAY_ONE_ARGUMENT
@ -27,6 +27,12 @@
/* Define to 1 if you have a working `mmap' system call. */
#undef HAVE_MMAP
/* "c99 function" */
#undef HAVE_ROUND
/* "c99 function" */
#undef HAVE_ROUNDF
/* Define to 1 if you have the <stddef.h> header file. */
#undef HAVE_STDDEF_H
@ -75,9 +81,6 @@
/* Define to 1 if you have the <unistd.h> header file. */
#undef HAVE_UNISTD_H
/* Name of package */
#undef PACKAGE
/* Define to the address where bug reports for this package should be sent. */
#undef PACKAGE_BUGREPORT
@ -99,8 +102,5 @@
/* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
#undef TIME_WITH_SYS_TIME
/* Version number of package */
#undef VERSION
/* Define to `long' if <sys/types.h> does not define. */
#undef off_t

236
libgfortran/configure vendored
View File

@ -969,7 +969,7 @@ esac
else
echo "$as_me: WARNING: no configuration information is in $ac_dir" >&2
fi
cd $ac_popdir
cd "$ac_popdir"
done
fi
@ -2565,8 +2565,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2624,8 +2623,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2741,8 +2739,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2796,8 +2793,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2842,8 +2838,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -2887,8 +2882,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4029,7 +4023,7 @@ test x"$pic_mode" = xno && libtool_flags="$libtool_flags --prefer-non-pic"
case $host in
*-*-irix6*)
# Find out which ABI we are using.
echo '#line 4032 "configure"' > conftest.$ac_ext
echo '#line 4026 "configure"' > conftest.$ac_ext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
@ -4171,8 +4165,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4415,7 +4408,7 @@ fi
# Provide some information about the compiler.
echo "$as_me:4418:" \
echo "$as_me:4411:" \
"checking for Fortran 77 compiler version" >&5
ac_compiler=`set X $ac_compile; echo $2`
{ (eval echo "$as_me:$LINENO: \"$ac_compiler --version </dev/null >&5\"") >&5
@ -4461,8 +4454,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_f77_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_f77_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4511,8 +4503,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_f77_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_f77_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -4844,8 +4835,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5015,8 +5005,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5084,8 +5073,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5269,8 +5257,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5509,8 +5496,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5578,8 +5564,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5750,8 +5735,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -5904,8 +5888,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6050,8 +6033,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6206,8 +6188,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6278,8 +6259,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6382,8 +6362,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6416,6 +6395,150 @@ fi
done
# Check for some C99 functions
echo "$as_me:$LINENO: checking for round in -lm" >&5
echo $ECHO_N "checking for round in -lm... $ECHO_C" >&6
if test "${ac_cv_lib_m_round+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lm $LIBS"
cat >conftest.$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 round ();
int
main ()
{
round ();
;
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 $ac_status); }; }; then
ac_cv_lib_m_round=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_m_round=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_lib_m_round" >&5
echo "${ECHO_T}$ac_cv_lib_m_round" >&6
if test $ac_cv_lib_m_round = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_ROUND 1
_ACEOF
fi
echo "$as_me:$LINENO: checking for roundf in -lm" >&5
echo $ECHO_N "checking for roundf in -lm... $ECHO_C" >&6
if test "${ac_cv_lib_m_roundf+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lm $LIBS"
cat >conftest.$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 roundf ();
int
main ()
{
roundf ();
;
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 $ac_status); }; }; then
ac_cv_lib_m_roundf=yes
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
ac_cv_lib_m_roundf=no
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
fi
echo "$as_me:$LINENO: result: $ac_cv_lib_m_roundf" >&5
echo "${ECHO_T}$ac_cv_lib_m_roundf" >&6
if test $ac_cv_lib_m_roundf = yes; then
cat >>confdefs.h <<\_ACEOF
#define HAVE_ROUNDF 1
_ACEOF
fi
# Let the user override this
# Check whether --enable-cmath or --disable-cmath was given.
if test "${enable_cmath+set}" = set; then
@ -6467,8 +6590,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6569,8 +6691,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6632,8 +6753,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -6766,8 +6886,7 @@ if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ ac_try='test -z "$ac_c_werror_flag" || test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
@ -7735,11 +7854,6 @@ esac
*) ac_INSTALL=$ac_top_builddir$INSTALL ;;
esac
if test x"$ac_file" != x-; then
{ echo "$as_me:$LINENO: creating $ac_file" >&5
echo "$as_me: creating $ac_file" >&6;}
rm -f "$ac_file"
fi
# Let's still pretend it is `configure' which instantiates (i.e., don't
# use $as_me), people would be surprised to read:
# /* config.h. Generated by config.status. */
@ -7778,6 +7892,12 @@ echo "$as_me: error: cannot find input file: $f" >&2;}
fi;;
esac
done` || { (exit 1); exit 1; }
if test x"$ac_file" != x-; then
{ echo "$as_me:$LINENO: creating $ac_file" >&5
echo "$as_me: creating $ac_file" >&6;}
rm -f "$ac_file"
fi
_ACEOF
cat >>$CONFIG_STATUS <<_ACEOF
sed "$ac_vpsub

4
libgfortran/configure.ac
View File

@ -166,6 +166,10 @@ AC_CHECK_LIB([mx],[csin],[need_math="no"],[need_math="yes"])
# Check for library functions.
AC_CHECK_FUNCS(getrusage times)
# Check for some C99 functions
AC_CHECK_LIB([m],[round],[AC_DEFINE([HAVE_ROUND],[1],["c99 function"])])
AC_CHECK_LIB([m],[roundf],[AC_DEFINE([HAVE_ROUNDF],[1],["c99 function"])])
# Let the user override this
AC_ARG_ENABLE(cmath,
AC_HELP_STRING([--enable-cmath],[Include complex math functions]),

90
libgfortran/intrinsics/c99_functions.c Normal file
View File

@ -0,0 +1,90 @@
/* Implementation of various C99 functions
Copyright (C) 2004 Free Software Foundation, Inc.
This file is part of the GNU Fortran 95 runtime library (libgfortran).
Libgfortran is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Libgfortran is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with libgfortran; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include "config.h"
#include <sys/types.h>
#include <math.h>
#include "libgfortran.h"
/* Algorithm by Steven G. Kargl. */
#ifndef HAVE_ROUND
/* Round to nearest integral value. If the argument is halfway between two
integral values then round away from zero. */
double
round(double x)
{
double t;
int i;
i = fpclassify(x);
if (i == FP_INFINITE || i == FP_NAN)
return (x);
if (x >= 0.0)
{
t = ceil(x);
if (t - x > 0.5)
t -= 1.0;
return (t);
}
else
{
t = ceil(-x);
if (t + x > 0.5)
t -= 1.0;
return (-t);
}
}
#endif
#ifndef HAVE_ROUNDF
/* Round to nearest integral value. If the argument is halfway between two
integral values then round away from zero. */
float
roundf(float x)
{
float t;
int i;
i = fpclassify(x);
if (i == FP_INFINITE || i == FP_NAN)
return (x);
if (x >= 0.0)
{
t = ceilf(x);
if (t - x > 0.5)
t -= 1.0;
return (t);
}
else
{
t = ceilf(-x);
if (t + x > 0.5)
t -= 1.0;
return (-t);
}
}
#endif