source: rtems/aclocal/gcc-pipe.m4 @ 70810dc

4.104.114.84.9
Last change on this file since 70810dc was 70810dc, checked in by Joel Sherrill <joel.sherrill@…>, on Feb 8, 2000 at 10:33:25 PM

Patches rtems-rc-20000204-0.diff from Ralf Corsepius <corsepiu@…>
that contains:

  • Removes remaining (now illegal) references to $(SRC) from a couple of Makefile.ams
  • Removes duplicate AC_CONFIG_SUBDIRS macro from c/configure.in
  • Moves ENABLE_LIBCDIR into RTEMS_PROG_C[C|XX]_FOR_TARGET (hides LIBCDIR from most configure scripts, i.e. LIBCDIR becomes less visible)
  • Adds RTEMS_PROG_C[C|XX]_FOR_TARGET and RTEMS_CANONICALIZE_TOOLS to libbsp/*/configure.ins (A minor bug in previous implementations, which only has an impact when switching to GNU/Cygnus canonicalization)
  • Cleans up several bogus comments.
  • Removes MKLIB
  • Switches the version number to 4.5.0 (for testing version number handling)
  • Property mode set to 100644
File size: 464 bytes
Line 
1dnl
2dnl $Id$
3dnl
4dnl Check whether the target compiler accepts -pipe
5dnl
6
7AC_DEFUN(RTEMS_GCC_PIPE,
8[AC_REQUIRE([RTEMS_PROG_CC])
9AC_REQUIRE([AC_CANONICAL_HOST])
10AC_CACHE_CHECK(whether $CC_FOR_TARGET accepts --pipe,rtems_cv_gcc_pipe,
11[
12rtems_cv_gcc_pipe=no
13if test "$rtems_cv_prog_gcc" = "yes"; then
14    echo 'void f(){}' >conftest.c
15    if test -z "`${CC_FOR_TARGET} --pipe -c conftest.c 2>&1`";then
16      rtems_cv_gcc_pipe=yes
17    fi
18    rm -f conftest*
19fi
20])
21])
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