From 1a1e6a9d4a1c8cfb8aef4d7f18fe4c68444f9317 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Wed, 24 Aug 2005 18:22:12 +0000
Subject: [PATCH] Define __PIC__ for darwin targets.

OKed by Mike Stump.

From-SVN: r103447
---
 gcc/ChangeLog                           |  6 ++++++
 gcc/config/darwin.h                     |  8 ++++++++
 gcc/config/rs6000/darwin.h              |  1 +
 gcc/testsuite/gcc.dg/pic-macro-define.c | 10 ++++++++++
 4 files changed, 25 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/pic-macro-define.c

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b20069cb28a3..26ea0debe955 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
+
+	* config/darwin.h: define __PIC__
+	* config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
+	TARGET_OS_CPP_BUILTINS macro.
+
 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
 
 	* config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
diff --git a/gcc/config/darwin.h b/gcc/config/darwin.h
index c611cb8b1da7..08abfbe10009 100644
--- a/gcc/config/darwin.h
+++ b/gcc/config/darwin.h
@@ -140,6 +140,14 @@ Boston, MA 02110-1301, USA.  */
   { "-unexported_symbols_list", "-Zunexported_symbols_list" }, \
   SUBTARGET_OPTION_TRANSLATE_TABLE
 
+#define SUBTARGET_OS_CPP_BUILTINS()                     \
+  do							\
+    {							\
+      if (flag_pic)					\
+	builtin_define ("__PIC__");			\
+    }							\
+  while (0)
+
 /* These compiler options take n arguments.  */
 
 #undef  WORD_SWITCH_TAKES_ARG
diff --git a/gcc/config/rs6000/darwin.h b/gcc/config/rs6000/darwin.h
index 482c6e74f9a3..ef1532d776f2 100644
--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -55,6 +55,7 @@
       builtin_define ("__POWERPC__");           \
       builtin_define ("__NATURAL_ALIGNMENT__"); \
       darwin_cpp_builtins (pfile);		\
+      SUBTARGET_OS_CPP_BUILTINS ();             \
     }                                           \
   while (0)
 
diff --git a/gcc/testsuite/gcc.dg/pic-macro-define.c b/gcc/testsuite/gcc.dg/pic-macro-define.c
new file mode 100644
index 000000000000..7bda6fedfef7
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pic-macro-define.c
@@ -0,0 +1,10 @@
+/* { dg-do run { target "i?86-*-*-darwin" powerpc*-*-darwin* } } */
+/* { dg-options "-fPIC" } */
+
+#if defined __PIC__ 
+int main() {
+	return 0;
+}
+#else
+  error "NO __PIC__ DEFINED"	
+#endif
-- 
2.43.5