gcc-5.3/gcc-4.9:Reuse -fdebug-prefix-map to replace -ffile-prefix-map

The oe-core may use external toolchain for compiling,
which did not support -ffile-prefix-map.

Since we use -fdebug-prefix-map to do the same thing,
so we could reuse it to replace -ffile-prefix-map.

[YOCTO #7058]

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>

4 files changed, 88 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-4.9.inc b/meta/recipes-devtools/gcc/gcc-4.9.inc
index 22783b2dc0..87aa7dade7 100644
--- a/meta/recipes-devtools/gcc/gcc-4.9.inc
+++ b/meta/recipes-devtools/gcc/gcc-4.9.inc
@@ -88,6 +88,7 @@ SRC_URI = "\
     file://0070-libstdc-musl.patch \
     file://0071-Ignore-fdebug-prefix-map-in-producer-string-by-Danie.patch \
     file://0072-support-ffile-prefix-map.patch \
+    file://0073-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch \
 "
 SRC_URI[md5sum] = "6f831b4d251872736e8e9cc09746f327"
 SRC_URI[sha256sum] = "2332b2a5a321b57508b9031354a8503af6fdfb868b8c1748d33028d100a8b67e"
diff --git a/meta/recipes-devtools/gcc/gcc-4.9/0073-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch b/meta/recipes-devtools/gcc/gcc-4.9/0073-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch
new file mode 100644
index 0000000000..94e45ed0aa
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-4.9/0073-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch
@@ -0,0 +1,43 @@
+From 5e10baff84038d26dc3d59b2412ba1db92cb8274 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Thu, 17 Mar 2016 00:34:01 -0400
+Subject: [PATCH 2/2] Reuse -fdebug-prefix-map to replace -ffile-prefix-map
+
+The oe-core may use external toolchain to compile,
+which may not support -ffile-prefix-map.
+
+Since we use -fdebug-prefix-map to do the same thing,
+so we could reuse it to replace -ffile-prefix-map.
+
+Upstream-Status: Inappropriate[oe-core specific]
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ gcc/opts-global.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/gcc/opts-global.c b/gcc/opts-global.c
+index 111884b..037f6c8 100644
+--- a/gcc/opts-global.c
++++ b/gcc/opts-global.c
+@@ -42,6 +42,7 @@ along with GCC; see the file COPYING3.  If not see
+ #include "toplev.h"
+ #include "tree-pass.h"
+ #include "context.h"
++#include "file-map.h"
+ 
+ typedef const char *const_char_p; /* For DEF_VEC_P.  */
+ 
+@@ -354,6 +355,9 @@ handle_common_deferred_options (void)
+ 
+ 	case OPT_fdebug_prefix_map_:
+ 	  add_debug_prefix_map (opt->arg);
++
++	  /* Reuse -fdebug-prefix-map to replace -ffile-prefix-map */
++	  add_file_prefix_map (opt->arg);
+ 	  break;
+ 
+ 	case OPT_fdump_:
+-- 
+1.9.1
+
diff --git a/meta/recipes-devtools/gcc/gcc-5.3.inc b/meta/recipes-devtools/gcc/gcc-5.3.inc
index 4861cfcb71..aa011fd03d 100644
--- a/meta/recipes-devtools/gcc/gcc-5.3.inc
+++ b/meta/recipes-devtools/gcc/gcc-5.3.inc
@@ -84,6 +84,7 @@ SRC_URI = "\
            file://0052-nios2-use-ret-with-r31.patch \
            file://0053-expr.c-PR-target-65358-Avoid-clobbering-partial-argu.patch \
            file://0054-support-ffile-prefix-map.patch \
+           file://0055-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch \
 "
 
 BACKPORTS = ""
diff --git a/meta/recipes-devtools/gcc/gcc-5.3/0055-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch b/meta/recipes-devtools/gcc/gcc-5.3/0055-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch
new file mode 100644
index 0000000000..c7caed8c86
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-5.3/0055-Reuse-fdebug-prefix-map-to-replace-ffile-prefix-map.patch
@@ -0,0 +1,43 @@
+From 14b79641ff6b0008aef7fbf7aa300daec11d1e78 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Wed, 16 Mar 2016 05:39:59 -0400
+Subject: [PATCH] Reuse -fdebug-prefix-map to replace -ffile-prefix-map
+
+The oe-core may use external toolchain to compile,
+which may not support -ffile-prefix-map.
+
+Since we use -fdebug-prefix-map to do the same thing,
+so we could reuse it to replace -ffile-prefix-map.
+
+Upstream-Status: Inappropriate[oe-core specific]
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ gcc/opts-global.c | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/gcc/opts-global.c b/gcc/opts-global.c
+index b61bdcf..51bb177 100644
+--- a/gcc/opts-global.c
++++ b/gcc/opts-global.c
+@@ -50,6 +50,7 @@ along with GCC; see the file COPYING3.  If not see
+ #include "rtl.h"
+ #include "dbgcnt.h"
+ #include "debug.h"
++#include "file-map.h"
+ #include "hash-map.h"
+ #include "plugin-api.h"
+ #include "ipa-ref.h"
+@@ -378,6 +379,9 @@ handle_common_deferred_options (void)
+ 
+ 	case OPT_fdebug_prefix_map_:
+ 	  add_debug_prefix_map (opt->arg);
++
++	  /* Reuse -fdebug-prefix-map to replace -ffile-prefix-map */
++	  add_file_prefix_map (opt->arg);
+ 	  break;
+ 
+ 	case OPT_fdump_:
+-- 
+1.9.1
+