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| author | Jeff Johnston <jjohnstn@redhat.com> | 2009-04-24 22:49:55 +0000 |
|---|---|---|
| committer | Jeff Johnston <jjohnstn@redhat.com> | 2009-04-24 22:49:55 +0000 |
| commit | 35f31b6a983710aa9a2bd7e308d1567f326f3f5f (patch) | |
| tree | bfdf4f80ea36876d228aec85956bae902b94ae96 /newlib/configure | |
| parent | de194872240d47137474f610afca16d2ee659549 (diff) | |
| download | cygnal-35f31b6a983710aa9a2bd7e308d1567f326f3f5f.tar.gz cygnal-35f31b6a983710aa9a2bd7e308d1567f326f3f5f.tar.bz2 cygnal-35f31b6a983710aa9a2bd7e308d1567f326f3f5f.zip | |
2009-04-24 Jeff johnston <jjohnstn@redhat.com>
* configure.in: Add configuration test for long double equals dbl
and set flag _LDBL_EQ_DBL if true.
* configure: Regenerated.
* newlib.hin: Add _LDBL_EQ_DBL flag.
* libc/include/math.h: Use _LDBL_EQ_DBL flag instead of
_HAVE_LDBL_MATH.
* libc/include/stdlib.h: Use _LDBL_EQ_DBL flag instead of
_HAVE_LDBL_STDLIB.
* libc/common/local.h: Remove _LDBL_EQ_DBL flag setting.
* libc/stdlib/local.h: Ditto.
Diffstat (limited to 'newlib/configure')
| -rwxr-xr-x | newlib/configure | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/newlib/configure b/newlib/configure index d2c7588b5..1d9108d88 100755 --- a/newlib/configure +++ b/newlib/configure @@ -11902,6 +11902,43 @@ _ACEOF fi +echo "$as_me:$LINENO: checking long double equals double" >&5 +echo $ECHO_N "checking long double equals double... $ECHO_C" >&6 +if test "${newlib_ldbl_eq_dbl+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + cat > conftest.c <<EOF +#include <float.h> +#if DBL_MANT_DIG == LDBL_MANT_DIG && LDBL_MIN_EXP == DBL_MIN_EXP && \ + LDBL_MAX_EXP == DBL_MAX_EXP + #define _LDBL_EQ_DBL + #else + #error "LDBL != DBL" +#endif +EOF +if { ac_try='${CC} $CFLAGS $CPPFLAGS $LDFLAGS -o conftest conftest.c + -static -nostartfiles -nostdlib 1>&5' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } +then + newlib_ldbl_eq_dbl=yes; +else + newlib_ldbl_eq_dbl=no; +fi +rm -f conftest* +fi +echo "$as_me:$LINENO: result: $newlib_ldbl_eq_dbl" >&5 +echo "${ECHO_T}$newlib_ldbl_eq_dbl" >&6 +if test $newlib_ldbl_eq_dbl = yes; then + cat >>confdefs.h <<_ACEOF +#define _LDBL_EQ_DBL 1 +_ACEOF + +fi + ac_config_files="$ac_config_files Makefile" cat >confcache <<\_ACEOF |