diff options
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 |