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Diffstat (limited to '')
-rw-r--r-- | macros/prog-cc.m4 | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/macros/prog-cc.m4 b/macros/prog-cc.m4 new file mode 100644 index 0000000000..f3cf4a70df --- /dev/null +++ b/macros/prog-cc.m4 @@ -0,0 +1,50 @@ +dnl +dnl $Id$ +dnl +dnl Check for target gcc +dnl + +AC_DEFUN(RTEMS_PROG_CC, +[ +AC_BEFORE([$0], [AC_PROG_CPP])dnl +AC_BEFORE([$0], [AC_PROG_CC])dnl +AC_BEFORE([$0], [RTEMS_CANONICALIZE_TOOLS])dnl +AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl +AC_REQUIRE([RTEMS_ENABLE_LIBCDIR])dnl +AC_REQUIRE([RTEMS_ENABLE_GCC28])dnl + +AC_CHECK_TOOL(CC,gcc) +AC_PROG_CC + +AM_CONDITIONAL(RTEMS_USE_GCC,test x"$ac_cv_prog_gcc" = x"yes") +]) + +AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET, +[ +dnl check target cc +RTEMS_PROG_CC +dnl check if the compiler supports --specs +RTEMS_GCC_SPECS +dnl check if the target compiler may use --pipe +RTEMS_GCC_PIPE +dnl check if the compiler supports --specs if gcc28 is requested +if test "$RTEMS_USE_GCC272" != "yes" ; then + if test "$rtems_cv_gcc_specs" = "no"; then + AC_MSG_WARN([*** disabling --enable-gcc28]) + RTEMS_USE_GCC272=yes + fi +fi +test "$rtems_cv_gcc_pipe" = "yes" && CC_FOR_TARGET="$CC_FOR_TARGET --pipe" + +## Conditional for automake files +AM_CONDITIONAL(RTEMS_USE_GCC272, test x"$RTEMS_USE_GCC272" = x"yes") +## Make variable for autoconf fragments (*.cfg) +AC_SUBST(RTEMS_USE_GCC272) + +dnl FIXME: HACK for egcs/cygwin mixing '\\' and '/' in gcc -print-* +case $host_os in +*cygwin*) GCCSED="| sed 's%\\\\%/%g'" ;; +*) ;; +esac +AC_SUBST(GCCSED) +]) |