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Diffstat (limited to 'c/src/tests/aclocal/gcc-isystem.m4')
| -rw-r--r-- | c/src/tests/aclocal/gcc-isystem.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/c/src/tests/aclocal/gcc-isystem.m4 b/c/src/tests/aclocal/gcc-isystem.m4 new file mode 100644 index 0000000000..c230508208 --- /dev/null +++ b/c/src/tests/aclocal/gcc-isystem.m4 @@ -0,0 +1,25 @@ +dnl +dnl $Id$ +dnl +dnl Check whether the gcc accepts -isystem +dnl + +AC_DEFUN(RTEMS_GCC_ISYSTEM, +[AC_REQUIRE([RTEMS_PROG_CC]) +AC_CACHE_CHECK(whether $CC accepts -isystem,rtems_cv_gcc_isystem, +[ +rtems_cv_gcc_isystem=no +if test x"$GCC" = x"yes"; then +cat << EOF > conftest.h +int conftest123(); +EOF +cat << EOF > conftest.c +#include <conftest.h> +int conftest123() {} +EOF + if test -z "`${CC} -isystem./ -c conftest.c 2>&1`";then + rtems_cv_gcc_isystem=yes + fi +fi +rm -f conftest* +])]) |