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| author | Ralf Corsepius <ralf.corsepius@rtems.org> | 2003-02-28 06:50:36 +0000 |
|---|---|---|
| committer | Ralf Corsepius <ralf.corsepius@rtems.org> | 2003-02-28 06:50:36 +0000 |
| commit | 309a9dc8dba6e248091b45297ef2d95fd9fd1be8 (patch) | |
| tree | 7e14080e34f09d926ca649f587b75ddaffa99da2 /cpukit/aclocal/gcc-isystem.m4 | |
| parent | 2003-02-26 RTEMS (diff) | |
| download | rtems-309a9dc8dba6e248091b45297ef2d95fd9fd1be8.tar.bz2 | |
Merger from rtems-4-6-branch.
Diffstat (limited to '')
| -rw-r--r-- | cpukit/aclocal/gcc-isystem.m4 | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/cpukit/aclocal/gcc-isystem.m4 b/cpukit/aclocal/gcc-isystem.m4 new file mode 100644 index 0000000000..c230508208 --- /dev/null +++ b/cpukit/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* +])]) |