gcc: move the optimized assembler helpers back into the static libgcc and skip relinking for this arch. due to relocation constraints, the assembler functions cannot be in the shared libgcc and must always be linked in statically

SVN-Revision: 25952

package/base-files/Makefile

@@ -326,9 +326,12 @@ endef
 
 LIBGCC_A=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc_pic.a)
 LIBGCC_MAP=$(wildcard $(TOOLCHAIN_DIR)/lib/gcc/*/*/libgcc.map)
-BUILD_LIBGCC:=$(if $(CONFIG_avr32)$(CONFIG_m68k),,$(PKG_BUILD_DIR)/libgcc_s.so.*)
+LIBGCC_SO=$(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so.*)
-
 ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
+  BUILD_LIBGCC:=$(if $(CONFIG_avr32)$(CONFIG_m68k)$(CONFIG_powerpc),,$(PKG_BUILD_DIR)/libgcc_s.so.*)
+endif
+
+ifneq ($(BUILD_LIBGCC),)
   define Build/Compile/uClibc
 	$(SCRIPT_DIR)/relink-lib.sh \
 		"$(TARGET_CROSS)" \
@@ -360,15 +363,27 @@ ifeq ($(CONFIG_EXTERNAL_TOOLCHAIN),)
 		-ldl $(BUILD_LIBGCC) \
 		-Wl,-soname=libpthread.so.0
   endef
-  ifneq ($(BUILD_LIBGCC),)
   define Build/Compile/libgcc
 	$(SCRIPT_DIR)/relink-lib.sh \
 		"$(TARGET_CROSS)" \
-		"$(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so.*)" \
+		"$(LIBGCC_SO)" \
 		"$(LIBGCC_A)" \
-		"$(patsubst $(TOOLCHAIN_DIR)/lib/%,$(PKG_BUILD_DIR)/%,$(wildcard $(TOOLCHAIN_DIR)/lib/libgcc_s.so.*))" \
+		"$(patsubst $(TOOLCHAIN_DIR)/lib/%,$(PKG_BUILD_DIR)/%,$(LIBGCC_SO))" \
 		-Wl,--version-script=$(LIBGCC_MAP) -Wl,-soname=libgcc_s.so.1
   endef
+else
+  define Build/Compile/uClibc
+	$(CP) \
+		$(TOOLCHAIN_DIR)/lib/libuClibc-*.so \
+		$(TOOLCHAIN_DIR)/lib/libcrypt-*.so \
+		$(TOOLCHAIN_DIR)/lib/libm-*.so \
+		$(TOOLCHAIN_DIR)/lib/libpthread-*.so \
+		$(PKG_BUILD_DIR)/
+  endef
+  ifneq ($(LIBGCC_SO),)
+    define Build/Compile/libgcc
+	$(CP) $(LIBGCC_SO) $(PKG_BUILD_DIR)/
+    endef
   endif
 endif
 

toolchain/gcc/patches/linaro/850-use_shared_libgcc.patch

@@ -35,18 +35,6 @@
  /* Determine which dynamic linker to use depending on whether GLIBC or
     uClibc is the default C library and whether -muclibc or -mglibc has
     been passed to change the default.  */
---- a/gcc/config/rs6000/ppc-asm.h
-+++ b/gcc/config/rs6000/ppc-asm.h
-@@ -325,8 +325,7 @@
- FUNC_NAME(name):
- 
- #define HIDDEN_FUNC(name) \
--  FUNC_START(name) \
--  .hidden FUNC_NAME(name);
-+  FUNC_START(name);
- 
- #define FUNC_END(name) \
- GLUE(.L,name): \
 --- a/gcc/mkmap-symver.awk
 +++ b/gcc/mkmap-symver.awk
 @@ -132,5 +132,5 @@
@@ -56,14 +44,6 @@
 -    printf ("\n  local:\n\t*;\n};\n");
 +    printf ("\n\t*;\n};\n");
  }
---- a/libgcc/config/rs6000/t-ppccomm
-+++ b/libgcc/config/rs6000/t-ppccomm
-@@ -1,4 +1,4 @@
--LIB2ADD_ST += crtsavfpr.S crtresfpr.S \
-+LIB2ADD += crtsavfpr.S crtresfpr.S \
-   crtsavgpr.S crtresgpr.S \
-   crtresxfpr.S crtresxgpr.S \
-   e500crtres32gpr.S \
 --- a/libgcc/Makefile.in
 +++ b/libgcc/Makefile.in
 @@ -265,7 +265,7 @@
@@ -75,3 +55,14 @@
  
  ifneq (,$(vis_hide))
  
+--- a/gcc/config/rs6000/linux.h
++++ b/gcc/config/rs6000/linux.h
+@@ -85,6 +85,8 @@
+ #define USE_LD_AS_NEEDED 1
+ #endif
+ 
++#define LIBGCC_SPEC "%{!static:%{!static-libgcc:-lgcc_s}} -lgcc"
++
+ #undef  TARGET_VERSION
+ #define TARGET_VERSION fprintf (stderr, " (PowerPC GNU/Linux)");
+