diff options
Diffstat (limited to 'newlib/libm/configure.in')
| -rw-r--r-- | newlib/libm/configure.in | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/newlib/libm/configure.in b/newlib/libm/configure.in index 4ac7edb30..275476fec 100644 --- a/newlib/libm/configure.in +++ b/newlib/libm/configure.in @@ -18,10 +18,20 @@ dnl Autoconf 2.59 doesn't support the AC_TYPE_LONG_DOUBLE macro. Instead of: dnl AC_TYPE_LONG_DOUBLE dnl AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$ac_cv_type_long_double" = x"yes") dnl we specify our own long double test. -AC_CACHE_CHECK([Checking long double support], [acnewlib_cv_type_long_double], - [AC_TRY_COMPILE([], [long double foo = 0.0L;], - [acnewlib_cv_type_long_double = yes;], - [acnewlib_cv_type_long_double = no;])]) +AC_CACHE_CHECK([Checking long double support], [acnewlib_cv_type_long_double],[dnl +cat > conftest.c <<EOF +int main() { +long double x = 0.0L; +return 0; +} +EOF +if AC_TRY_COMMAND([${CC} $CFLAGS $CPPFLAGS -c conftest.c 1>&AS_MESSAGE_LOG_FD]) +then + acnewlib_cv_type_long_double=yes +else + acnewlib_cv_type_long_double=no +fi +rm -f conftest*]) AM_CONDITIONAL(HAVE_LONG_DOUBLE, test x"$acnewlib_cv_type_long_double" = x"yes") dnl Can't be done in NEWLIB_CONFIGURE because that confuses automake. |