(GNU_CPP_PREDEFINES): New macro.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@8948 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/config/gnu.h b/gcc/config/gnu.h
index f565f29..a279b10 100644 (file)
--- a/gcc/config/gnu.h
+++ b/gcc/config/gnu.h
@@ -1,5 +1,12 @@
 /* Configuration common to all targets running the GNU system.  */
 
+/* Macro to produce CPP_PREDEFINES for GNU on a given machine.  */
+#define GNU_CPP_PREDEFINES(machine) \
+"-D" machine " -Acpu(" machine ") -Amachine(" machine ")"
+"-Dunix -Asystem(unix) \
+-DMACH -Asystem(mach) \
+-D__GNU__ -Asystem(gnu) -D__HURD__"
+
 /* Provide GCC options for standard feature-test macros.  */
 #undef CPP_SPEC
 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{bsd:-D_BSD_SOURCE}"