From 309a9dc8dba6e248091b45297ef2d95fd9fd1be8 Mon Sep 17 00:00:00 2001 From: Ralf Corsepius Date: Fri, 28 Feb 2003 06:50:36 +0000 Subject: Merger from rtems-4-6-branch. --- cpukit/aclocal/gcc-isystem.m4 | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 cpukit/aclocal/gcc-isystem.m4 (limited to 'cpukit/aclocal/gcc-isystem.m4') 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 +int conftest123() {} +EOF + if test -z "`${CC} -isystem./ -c conftest.c 2>&1`";then + rtems_cv_gcc_isystem=yes + fi +fi +rm -f conftest* +])]) -- cgit v1.2.3