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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2000-10-18 13:14:49 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2000-10-18 13:14:49 +0000 |
commit | aac7fdd28cf1ffbce75e88a1174e75bf5dfa0f30 (patch) | |
tree | c738bfae54c1916b7637adb784317dc20e3d32b7 /macros/check-newlib.m4 | |
parent | 2000-10-18 Joel Sherrill <joel@OARcorp.com> (diff) | |
download | rtems-aac7fdd28cf1ffbce75e88a1174e75bf5dfa0f30.tar.bz2 |
2000-09-14 Ralf Corsepius <corsepiu@faw.uni-ulm.de>
* macros: New directory.
* macros/bsp-alias.m4: new file.
* macros/canonical-host.m4: new file.
* macros/canonical-target-name.m4: new file.
* macros/canonicalize-tools.m4: new file.
* macros/check-bsp-cache.m4: new file.
* macros/check-bsps.m4: new file.
* macros/check-cpu.m4: new file.
* macros/rtems-debug.m4: new file.
* macros/check-cxx.m4: new file.
* macros/check-itron.m4: new file.
* macros/check-multiprocessing.m4: new file.
* macros/check-networking.m4: new file.
* macros/check-newlib.m4: new file.
* macros/check-posix.m4: new file.
* macros/check-rdbg.m4: new file.
* macros/enable-bare.m4: new file.
* macros/enable-cxx.m4: new file.
* macros/enable-gcc28.m4: new file.
* macros/enable-inlines.m4: new file.
* macros/enable-itron.m4: new file.
* macros/enable-libcdir.m4: new file.
* macros/enable-multiprocessing.m4: new file.
* macros/enable-networking.m4: new file.
* macros/enable-posix.m4: new file.
* macros/enable-rdbg.m4: new file.
* macros/enable-rtemsbsp.m4: new file.
* macros/enable-tests.m4: new file.
* macros/gcc-pipe.m4: new file.
* macros/gcc-specs.m4: new file.
* macros/i386-gas-code16.m4: new file.
* macros/path-ksh.m4: new file.
* macros/path-perl.m4: new file.
* macros/prog-cc.m4: new file.
* macros/prog-cxx.m4: new file.
* macros/project-root.m4: new file.
* macros/rtems-top.m4: new file.
* macros/sysv-ipc.m4: new file.
* macros/target.m4: new file.
* macros/rtems-test-no-pause.m4: new file.
* macros/multilib.m4: new file.
* macros/tool-paths.m4: new file.
* macros/tool-prefix.m4: new file.
Diffstat (limited to 'macros/check-newlib.m4')
-rw-r--r-- | macros/check-newlib.m4 | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/macros/check-newlib.m4 b/macros/check-newlib.m4 new file mode 100644 index 0000000000..1984001dc8 --- /dev/null +++ b/macros/check-newlib.m4 @@ -0,0 +1,36 @@ +dnl $Id$ + +AC_DEFUN(RTEMS_CHECK_NEWLIB, +[dnl +AC_REQUIRE([RTEMS_PROG_CC_FOR_TARGET])dnl +AC_REQUIRE([RTEMS_CANONICALIZE_TOOLS])dnl +AC_CACHE_CHECK([for newlib], + rtems_cv_use_newlib, + [ + rtems_save_CC=$CC + +dnl some versions of newlib provide not_required_by_rtems + AC_TRY_LINK( + [extern void not_required_by_rtems() ;], + [not_required_by_rtems()], + rtems_cv_use_newlib="yes") + +dnl some versions of newlib provide rtems_provides_crt0() + if test -z "$rtems_cv_use_newlib"; then + AC_TRY_LINK( + [extern void rtems_provides_crt0() ;], + [rtems_provides_crt0()], + rtems_cv_use_newlib="yes", + rtems_cv_use_newlib="no") + fi + CC=$rtems_save_CC]) +RTEMS_USE_NEWLIB="$rtems_cv_use_newlib" +AC_SUBST(RTEMS_USE_NEWLIB) + +if test x"${RTEMS_USE_NEWLIB}" = x"yes"; +then + AC_DEFINE_UNQUOTED(RTEMS_NEWLIB,1,[if using newlib]) + AC_DEFINE_UNQUOTED(MALLOC_PROVIDED,1,[if malloc is provided]) +fi +]) + |