diff options
Diffstat (limited to 'macros/gcc-specs.m4')
| -rw-r--r-- | macros/gcc-specs.m4 | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/macros/gcc-specs.m4 b/macros/gcc-specs.m4 new file mode 100644 index 0000000000..7d90d24644 --- /dev/null +++ b/macros/gcc-specs.m4 @@ -0,0 +1,20 @@ +dnl +dnl $Id$ +dnl +dnl Check whether the target compiler accepts -specs +dnl + +AC_DEFUN(RTEMS_GCC_SPECS, +[AC_REQUIRE([RTEMS_PROG_CC]) +AC_CACHE_CHECK(whether $CC accepts -specs,rtems_cv_gcc_specs, +[ +rtems_cv_gcc_specs=no +if test "$ac_cv_prog_gcc" = "yes"; then + touch confspec + echo 'void f(){}' >conftest.c + if test -z "`${CC} -specs confspec -c conftest.c 2>&1`";then + rtems_cv_gcc_specs=yes + fi +fi +rm -f confspec conftest* +])]) |