From a7a08713fbbdc601a9a4841cadc68b4c809e8f25 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Fri, 20 Mar 1998 16:52:10 +0000 Subject: Patch from Ralf Corsepius to properly detect that Cygwin32 does not support the -pipe option on the compiler. --- aclocal/gcc-pipe.m4 | 27 ++++++++++++++++++--------- 1 file changed, 18 insertions(+), 9 deletions(-) (limited to 'aclocal/gcc-pipe.m4') diff --git a/aclocal/gcc-pipe.m4 b/aclocal/gcc-pipe.m4 index 0c9ae41441..b4fb528338 100644 --- a/aclocal/gcc-pipe.m4 +++ b/aclocal/gcc-pipe.m4 @@ -7,14 +7,23 @@ dnl 98/02/11 Ralf Corsepius corsepiu@faw.uni-ulm.de dnl AC_DEFUN(RTEMS_GCC_PIPE, -[AC_REQUIRE([RTEMS_PROG_CC]) +[AC_REQUIRE([RTEMS_PROG_CC]) +AC_REQUIRE([AC_CANONICAL_HOST]) AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe, [ -echo 'void f(){}' >conftest.c -if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then - rtems_cv_gcc_pipe=yes -else - rtems_cv_gcc_pipe=no -fi -rm -f conftest* -])]) +case "$host_os" in + cygwin32*) + rtems_cv_gcc_pipe=no + ;; + *) + echo 'void f(){}' >conftest.c + if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then + rtems_cv_gcc_pipe=yes + else + rtems_cv_gcc_pipe=no + fi + rm -f conftest* + ;; +esac +]) +]) -- cgit v1.2.3