diff options
Diffstat (limited to 'cpukit/aclocal/prog-cc.m4')
| -rw-r--r-- | cpukit/aclocal/prog-cc.m4 | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/cpukit/aclocal/prog-cc.m4 b/cpukit/aclocal/prog-cc.m4 new file mode 100644 index 0000000000..6de5b33d57 --- /dev/null +++ b/cpukit/aclocal/prog-cc.m4 @@ -0,0 +1,41 @@ +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([$0], [RTEMS_CANONICALIZE_TOOLS])dnl + +RTEMS_CHECK_TOOL(CC,gcc) +test -z "$CC" && \ + AC_MSG_ERROR([no acceptable cc found in \$PATH]) +AC_PROG_CC +AC_PROG_CPP +]) + +AC_DEFUN([RTEMS_PROG_CC_FOR_TARGET], +[ +# Was CFLAGS set? +rtems_cv_CFLAGS_set="${CFLAGS+set}" +dnl check target cc +RTEMS_PROG_CC +dnl check if the target compiler may use --pipe +RTEMS_GCC_PIPE +test "$rtems_cv_gcc_pipe" = "yes" && CC="$CC --pipe" + +# Append warning flags if CFLAGS wasn't set. +AS_IF([test "$GCC" = yes && test "$rtems_cv_CFLAGS_set" != set], +[CFLAGS="$CFLAGS -Wall -Wimplicit-function-declaration -Wstrict-prototypes -Wnested-externs"]) + +RTEMS_CPPFLAGS="-I\$(top_builddir) -I\$(PROJECT_INCLUDE)" +AC_SUBST(RTEMS_CPPFLAGS) + +AS_IF([test "$GCC" = yes],[ + RTEMS_RELLDFLAGS="-qnolinkcmds -nostdlib -r" +]) +AC_SUBST(RTEMS_RELLDFLAGS) +]) |