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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-03-20 16:52:10 +0000 |
|---|---|---|
| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-03-20 16:52:10 +0000 |
| commit | a7a08713fbbdc601a9a4841cadc68b4c809e8f25 (patch) | |
| tree | b3af170b35e1a80b2489fba676876dc3d1e76f17 /aclocal/gcc-pipe.m4 | |
| parent | Fixed MANAGERS_NOT_WANTED. (diff) | |
| download | rtems-a7a08713fbbdc601a9a4841cadc68b4c809e8f25.tar.bz2 | |
Patch from Ralf Corsepius to properly detect that Cygwin32 does not
support the -pipe option on the compiler.
Diffstat (limited to 'aclocal/gcc-pipe.m4')
| -rw-r--r-- | aclocal/gcc-pipe.m4 | 27 |
1 files changed, 18 insertions, 9 deletions
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 +]) +]) |