Imported gcc-6 (6.3.0-17)debian/6.3.0-17

1 files changed, 209 insertions, 0 deletions

diff --git a/debian/patches/gcc-as-needed.diff b/debian/patches/gcc-as-needed.diff
new file mode 100644
index 0000000..b6b8e99
--- /dev/null
+++ b/debian/patches/gcc-as-needed.diff
@@ -0,0 +1,209 @@
+# DP: On linux targets pass --as-needed by default to the linker, but always
+# DP: link the sanitizer libraries with --no-as-needed.
+
+--- a/src/gcc/gcc.c
++++ b/src/gcc/gcc.c
+@@ -568,8 +568,11 @@ proper position among the other output f
+ #ifdef LIBTSAN_EARLY_SPEC
+ #define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS
+ #elif defined(HAVE_LD_STATIC_DYNAMIC)
+-#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \
+-		     "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
++#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION "}" \
++		     " %{!static-libtsan:%{!fuse-ld=gold:--push-state }--no-as-needed}" \
++		     " -ltsan " \
++		     " %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
++		     " %{!static-libtsan:%{fuse-ld=gold:--as-needed;:--pop-state}}" \
+ 		     STATIC_LIBTSAN_LIBS
+ #else
+ #define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS
+--- a/src/gcc/config/gnu-user.h
++++ b/src/gcc/config/gnu-user.h
+@@ -124,13 +124,13 @@
+ #define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
+   "%{static-libasan:%{!shared:" \
+   LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
+-  LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
++  LD_DYNAMIC_OPTION "}}%{!static-libasan:%{!fuse-ld=gold:--push-state} --no-as-needed -lasan %{fuse-ld=gold:--as-needed;:--pop-state}}"
+ #undef LIBTSAN_EARLY_SPEC
+ #define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \
+   LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
+-  LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
++  LD_DYNAMIC_OPTION "}}%{!static-libtsan:%{!fuse-ld=gold:--push-state} --no-as-needed -ltsan %{fuse-ld=gold:--as-needed;:--pop-state}}"
+ #undef LIBLSAN_EARLY_SPEC
+ #define LIBLSAN_EARLY_SPEC "%{static-liblsan:%{!shared:" \
+   LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
+-  LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
++  LD_DYNAMIC_OPTION "}}%{!static-liblsan:%{!fuse-ld=gold:--push-state} --no-as-needed -llsan %{fuse-ld=gold:--as-needed;:--pop-state}}"
+ #endif
+Index: b/src/gcc/config/aarch64/aarch64-linux.h
+===================================================================
+--- a/src/gcc/config/aarch64/aarch64-linux.h
++++ b/src/gcc/config/aarch64/aarch64-linux.h
+@@ -36,6 +36,7 @@
+ 
+ #define LINUX_TARGET_LINK_SPEC  "%{h*}		\
+    --hash-style=gnu				\
++   --as-needed					\
+    %{static:-Bstatic}				\
+    %{shared:-shared}				\
+    %{symbolic:-Bsymbolic}			\
+Index: b/src/gcc/config/ia64/linux.h
+===================================================================
+--- a/src/gcc/config/ia64/linux.h
++++ b/src/gcc/config/ia64/linux.h
+@@ -58,7 +58,7 @@ do {						\
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2"
+ 
+ #undef LINK_SPEC
+-#define LINK_SPEC " --hash-style=gnu \
++#define LINK_SPEC " --hash-style=gnu --as-needed \
+   %{shared:-shared} \
+   %{!shared: \
+     %{!static: \
+Index: b/src/gcc/config/sparc/linux.h
+===================================================================
+--- a/src/gcc/config/sparc/linux.h
++++ b/src/gcc/config/sparc/linux.h
+@@ -86,7 +86,7 @@ extern const char *host_detect_local_cpu
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+ 
+ #undef  LINK_SPEC
+-#define LINK_SPEC "-m elf32_sparc --hash-style=gnu %{shared:-shared} \
++#define LINK_SPEC "-m elf32_sparc --hash-style=gnu --as-needed %{shared:-shared} \
+   %{!mno-relax:%{!r:-relax}} \
+   %{!shared: \
+     %{!static: \
+Index: b/src/gcc/config/s390/linux.h
+===================================================================
+--- a/src/gcc/config/s390/linux.h
++++ b/src/gcc/config/s390/linux.h
+@@ -65,7 +65,7 @@ along with GCC; see the file COPYING3.
+ 
+ #undef  LINK_SPEC
+ #define LINK_SPEC \
+-  "%{m31:-m elf_s390}%{m64:-m elf64_s390} --hash-style=gnu \
++  "%{m31:-m elf_s390}%{m64:-m elf64_s390} --hash-style=gnu --as-needed \
+    %{shared:-shared} \
+    %{!shared: \
+       %{static:-static} \
+Index: b/src/gcc/config/rs6000/linux64.h
+===================================================================
+--- a/src/gcc/config/rs6000/linux64.h
++++ b/src/gcc/config/rs6000/linux64.h
+@@ -466,12 +466,12 @@ extern int dot_symbols;
+ 					   " -m elf64ppc")
+ #endif
+ 
+-#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " --hash-style=gnu %{!shared: %{!static: \
++#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " --hash-style=gnu --as-needed %{!shared: %{!static: \
+   %{rdynamic:-export-dynamic} \
+   -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \
+   %(link_os_extra_spec32)"
+ 
+-#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " --hash-style=gnu %{!shared: %{!static: \
++#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " --hash-style=gnu --as-needed %{!shared: %{!static: \
+   %{rdynamic:-export-dynamic} \
+   -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}} \
+   %(link_os_extra_spec64)"
+Index: b/src/gcc/config/rs6000/sysv4.h
+===================================================================
+--- a/src/gcc/config/rs6000/sysv4.h
++++ b/src/gcc/config/rs6000/sysv4.h
+@@ -784,7 +784,7 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
+   CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
+ 			 MUSL_DYNAMIC_LINKER)
+ 
+-#define LINK_OS_LINUX_SPEC "-m elf32ppclinux --hash-style=gnu %{!shared: %{!static: \
++#define LINK_OS_LINUX_SPEC "-m elf32ppclinux --hash-style=gnu --as-needed %{!shared: %{!static: \
+   %{rdynamic:-export-dynamic} \
+   -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
+ 
+Index: b/src/gcc/config/i386/gnu-user64.h
+===================================================================
+--- a/src/gcc/config/i386/gnu-user64.h
++++ b/src/gcc/config/i386/gnu-user64.h
+@@ -57,6 +57,7 @@ see the files COPYING3 and COPYING.RUNTI
+                    %{" SPEC_32 ":-m " GNU_USER_LINK_EMULATION32 "} \
+                    %{" SPEC_X32 ":-m " GNU_USER_LINK_EMULATIONX32 "} \
+   --hash-style=gnu \
++  --as-needed \
+   %{shared:-shared} \
+   %{!shared: \
+     %{!static: \
+Index: b/src/gcc/config/i386/gnu-user.h
+===================================================================
+--- a/src/gcc/config/i386/gnu-user.h
++++ b/src/gcc/config/i386/gnu-user.h
+@@ -74,7 +74,7 @@ along with GCC; see the file COPYING3.
+   { "link_emulation", GNU_USER_LINK_EMULATION },\
+   { "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
+ 
+-#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) --hash-style=gnu %{shared:-shared} \
++#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) --hash-style=gnu --as-needed %{shared:-shared} \
+   %{!shared: \
+     %{!static: \
+       %{rdynamic:-export-dynamic} \
+Index: b/src/gcc/config/alpha/linux-elf.h
+===================================================================
+--- a/src/gcc/config/alpha/linux-elf.h
++++ b/src/gcc/config/alpha/linux-elf.h
+@@ -37,7 +37,7 @@ along with GCC; see the file COPYING3.
+ 
+ #define ELF_DYNAMIC_LINKER	GNU_USER_DYNAMIC_LINKER
+ 
+-#define LINK_SPEC "-m elf64alpha --hash-style=gnu %{G*} %{relax:-relax}	\
++#define LINK_SPEC "-m elf64alpha --hash-style=gnu --as-needed %{G*} %{relax:-relax}	\
+   %{O*:-O3} %{!O*:-O1}						\
+   %{shared:-shared}						\
+   %{!shared:							\
+Index: b/src/gcc/config/arm/linux-elf.h
+===================================================================
+--- a/src/gcc/config/arm/linux-elf.h
++++ b/src/gcc/config/arm/linux-elf.h
+@@ -73,6 +73,7 @@
+      %{!shared:-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} \
+    -X \
+    --hash-style=gnu \
++   --as-needed \
+    %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
+    SUBTARGET_EXTRA_LINK_SPEC
+ 
+Index: b/src/gcc/config/mips/gnu-user.h
+===================================================================
+--- a/src/gcc/config/mips/gnu-user.h
++++ b/src/gcc/config/mips/gnu-user.h
+@@ -55,6 +55,7 @@ along with GCC; see the file COPYING3.
+ #undef GNU_USER_TARGET_LINK_SPEC
+ #define GNU_USER_TARGET_LINK_SPEC "\
+   %{G*} %{EB} %{EL} %{mips*} %{shared} \
++ -as-needed \
+   %{!shared: \
+     %{!static: \
+       %{rdynamic:-export-dynamic} \
+Index: b/src/libjava/Makefile.am
+===================================================================
+--- a/src/libjava/Makefile.am
++++ b/src/libjava/Makefile.am
+@@ -628,7 +628,7 @@ libgcj_bc.la: $(libgcj_bc_la_OBJECTS) $(
+ 	rm .libs/libgcj_bc.so; \
+ 	mv .libs/libgcj_bc.so.1.0.0 .libs/libgcj_bc.so; \
+ 	$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
+-	-o .libs/libgcj_bc.so.1.0.0 -lgcj || exit; \
++	-o .libs/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
+ 	rm .libs/libgcj_bc.so.1; \
+ 	$(LN_S) libgcj_bc.so.1.0.0 .libs/libgcj_bc.so.1
+ 
+Index: b/src/libjava/Makefile.in
+===================================================================
+--- a/src/libjava/Makefile.in
++++ b/src/libjava/Makefile.in
+@@ -10646,7 +10646,7 @@ libgcj_bc.la: $(libgcj_bc_la_OBJECTS) $(
+ 	rm .libs/libgcj_bc.so; \
+ 	mv .libs/libgcj_bc.so.1.0.0 .libs/libgcj_bc.so; \
+ 	$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
+-	-o .libs/libgcj_bc.so.1.0.0 -lgcj || exit; \
++	-o .libs/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
+ 	rm .libs/libgcj_bc.so.1; \
+ 	$(LN_S) libgcj_bc.so.1.0.0 .libs/libgcj_bc.so.1
+