diff options
Diffstat (limited to 'aclocal/prog-cc.m4')
-rw-r--r-- | aclocal/prog-cc.m4 | 55 |
1 files changed, 3 insertions, 52 deletions
diff --git a/aclocal/prog-cc.m4 b/aclocal/prog-cc.m4 index 3cc83ff3c5..81ca5ca75a 100644 --- a/aclocal/prog-cc.m4 +++ b/aclocal/prog-cc.m4 @@ -9,62 +9,13 @@ AC_DEFUN(RTEMS_PROG_CC, AC_BEFORE([$0], [AC_PROG_CPP])dnl AC_BEFORE([$0], [AC_PROG_CC])dnl AC_BEFORE([$0], [RTEMS_CANONICALIZE_TOOLS])dnl -AC_REQUIRE([RTEMS_TOOL_PREFIX])dnl AC_REQUIRE([RTEMS_ENABLE_LIBCDIR])dnl AC_REQUIRE([RTEMS_ENABLE_GCC28])dnl -dnl Only accept gcc and cc -dnl NOTE: This might be too restrictive for native compilation -AC_PATH_PROGS(CC_FOR_TARGET, "$program_prefix"gcc "$program_prefix"cc ) -test -z "$CC_FOR_TARGET" \ - && AC_MSG_ERROR([no acceptable cc found in \$PATH]) +AC_CHECK_TOOL(CC,gcc) +AC_PROG_CC -dnl backup -rtems_save_CC=$CC -rtems_save_CFLAGS=$CFLAGS - -dnl temporarily set CC -CC=$CC_FOR_TARGET - -AC_PROG_CC_WORKS -AC_PROG_CC_GNU - -if test $ac_cv_prog_gcc = yes; then - GCC=yes -dnl Check whether -g works, even if CFLAGS is set, in case the package -dnl plays around with CFLAGS (such as to build both debugging and -dnl normal versions of a library), tasteless as that idea is. - ac_test_CFLAGS="${CFLAGS+set}" - ac_save_CFLAGS="$CFLAGS" - CFLAGS= - AC_PROG_CC_G - if test "$ac_test_CFLAGS" = set; then - CFLAGS="$ac_save_CFLAGS" - elif test $ac_cv_prog_cc_g = yes; then - CFLAGS="-g -O2" - else - CFLAGS="-O2" - fi -else - GCC= - test "${CFLAGS+set}" = set || CFLAGS="-g" -fi - -rtems_cv_prog_gcc=$ac_cv_prog_gcc -rtems_cv_prog_cc_g=$ac_cv_prog_cc_g -rtems_cv_prog_cc_works=$ac_cv_prog_cc_works -rtems_cv_prog_cc_cross=$ac_cv_prog_cc_cross - -dnl restore initial values -CC=$rtems_save_CC -CFLAGS=$rtems_save_CFLAGS - -unset ac_cv_prog_gcc -unset ac_cv_prog_cc_g -unset ac_cv_prog_cc_works -unset ac_cv_prog_cc_cross - -AM_CONDITIONAL(RTEMS_USE_GCC,test x"$rtems_cv_prog_gcc" = x"yes") +AM_CONDITIONAL(RTEMS_USE_GCC,test x"$ac_cv_prog_gcc" = x"yes") ]) AC_DEFUN(RTEMS_PROG_CC_FOR_TARGET, |