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authorA. Wilcox <AWilcox@Wilcox-Tech.com>2018-02-20 21:53:51 -0600
committerA. Wilcox <AWilcox@Wilcox-Tech.com>2018-02-20 21:54:20 -0600
commit6d7203982c05651f748825deb393eb6480c03e32 (patch)
treef771531d5103dede68a6c9f52b349d8ba04cbb09 /system/gcc/005_all_default-as-needed.patch
parent866f81aaa5e438537e6a4b30c1f0fcecc713a1a2 (diff)
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system/gcc: maintain our own toolchain
Diffstat (limited to 'system/gcc/005_all_default-as-needed.patch')
-rw-r--r--system/gcc/005_all_default-as-needed.patch241
1 files changed, 241 insertions, 0 deletions
diff --git a/system/gcc/005_all_default-as-needed.patch b/system/gcc/005_all_default-as-needed.patch
new file mode 100644
index 000000000..ee4f7962a
--- /dev/null
+++ b/system/gcc/005_all_default-as-needed.patch
@@ -0,0 +1,241 @@
+# DP: On linux targets pass --as-needed by default to the linker, but always
+# DP: link the sanitizer libraries with --no-as-needed.
+
+--- a/gcc/gcc.c
++++ b/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/gcc/config/gnu-user.h
++++ b/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/gcc/config/aarch64/aarch64-linux.h
+===================================================================
+--- a/gcc/config/aarch64/aarch64-linux.h
++++ b/gcc/config/aarch64/aarch64-linux.h
+@@ -36,5 +36,6 @@
+
+ #define LINUX_TARGET_LINK_SPEC "%{h*} \
++ --as-needed \
+ %{static:-Bstatic} \
+ %{shared:-shared} \
+ %{symbolic:-Bsymbolic} \
+Index: b/gcc/config/ia64/linux.h
+===================================================================
+--- a/gcc/config/ia64/linux.h
++++ b/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 "\
++#define LINK_SPEC " --as-needed \
+ %{shared:-shared} \
+ %{!shared: \
+ %{!static: \
+Index: b/gcc/config/sparc/linux.h
+===================================================================
+--- a/gcc/config/sparc/linux.h
++++ b/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 %{shared:-shared} \
++#define LINK_SPEC "-m elf32_sparc --as-needed %{shared:-shared} \
+ %{!mno-relax:%{!r:-relax}} \
+ %{!shared: \
+ %{!static: \
+Index: b/gcc/config/s390/linux.h
+===================================================================
+--- a/gcc/config/s390/linux.h
++++ b/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} \
++ "%{m31:-m elf_s390}%{m64:-m elf64_s390} --as-needed \
+ %{shared:-shared} \
+ %{!shared: \
+ %{static:-static} \
+Index: b/gcc/config/rs6000/linux64.h
+===================================================================
+--- a/gcc/config/rs6000/linux64.h
++++ b/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 " %{!shared: %{!static: \
++#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " --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 " %{!shared: %{!static: \
++#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " --as-needed %{!shared: %{!static: \
+ %{rdynamic:-export-dynamic} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}} \
+ %(link_os_extra_spec64)"
+Index: b/gcc/config/rs6000/sysv4.h
+===================================================================
+--- a/gcc/config/rs6000/sysv4.h
++++ b/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 %{!shared: %{!static: \
++#define LINK_OS_LINUX_SPEC "-m elf32ppclinux --as-needed %{!shared: %{!static: \
+ %{rdynamic:-export-dynamic} \
+ -dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
+
+Index: b/gcc/config/i386/gnu-user64.h
+===================================================================
+--- a/gcc/config/i386/gnu-user64.h
++++ b/gcc/config/i386/gnu-user64.h
+@@ -57,5 +57,6 @@ see the files COPYING3 and COPYING.RUNTI
+ %{" SPEC_32 ":-m " GNU_USER_LINK_EMULATION32 "} \
+ %{" SPEC_X32 ":-m " GNU_USER_LINK_EMULATIONX32 "} \
++ --as-needed \
+ %{shared:-shared} \
+ %{!shared: \
+ %{!static: \
+Index: b/gcc/config/i386/gnu-user.h
+===================================================================
+--- a/gcc/config/i386/gnu-user.h
++++ b/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) %{shared:-shared} \
++#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) --as-needed %{shared:-shared} \
+ %{!shared: \
+ %{!static: \
+ %{rdynamic:-export-dynamic} \
+Index: b/gcc/config/alpha/linux-elf.h
+===================================================================
+--- a/gcc/config/alpha/linux-elf.h
++++ b/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 %{G*} %{relax:-relax} \
++#define LINK_SPEC "-m elf64alpha --as-needed %{G*} %{relax:-relax} \
+ %{O*:-O3} %{!O*:-O1} \
+ %{shared:-shared} \
+ %{!shared: \
+Index: b/gcc/config/arm/linux-elf.h
+===================================================================
+--- a/gcc/config/arm/linux-elf.h
++++ b/gcc/config/arm/linux-elf.h
+@@ -73,5 +73,6 @@
+ %{!shared:-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} \
+ -X \
++ --as-needed \
+ %{mbig-endian:-EB} %{mlittle-endian:-EL}" \
+ SUBTARGET_EXTRA_LINK_SPEC
+
+Index: b/gcc/config/mips/gnu-user.h
+===================================================================
+--- a/gcc/config/mips/gnu-user.h
++++ b/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/libjava/Makefile.am
+===================================================================
+--- a/libjava/Makefile.am
++++ b/libjava/Makefile.am
+@@ -627,14 +631,14 @@
+ 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
+
+ ## This rule creates the libgcj_bc library that is actually installed.
+ install/libgcj_bc.la: $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_DEPENDENCIES) install/$(am__dirstamp)
+ $(libgcj_bc_la_LINK) $(am_libgcj_bc_la_rpath) $(libgcj_bc_la_LDFLAGS) \
+- $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS)
++ $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS) -Wl,--no-as-needed -lgcj
+
+ ## Note that property_files is defined in sources.am.
+ propertyo_files = $(patsubst classpath/resource/%,%,$(addsuffix .lo,$(property_files)))
+@@ -762,7 +766,7 @@
+ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+ mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+ $(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
+- -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
++ -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
+ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
+ $(LN_S) libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
+ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.la;
+
+Index: b/libjava/Makefile.in
+===================================================================
+--- a/libjava/Makefile.in
++++ b/libjava/Makefile.in
+@@ -10644,13 +10648,13 @@
+ 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
+
+ install/libgcj_bc.la: $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_DEPENDENCIES) install/$(am__dirstamp)
+ $(libgcj_bc_la_LINK) $(am_libgcj_bc_la_rpath) $(libgcj_bc_la_LDFLAGS) \
+- $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS)
++ $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS) -Wl,--no-as-needed -lgcj
+
+ $(propertyo_files): %.lo: classpath/resource/%
+ $(mkinstalldirs) `dirname $@`; \
+@@ -12494,7 +12498,7 @@
+ @USE_LIBGCJ_BC_TRUE@ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+ @USE_LIBGCJ_BC_TRUE@ mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
+ @USE_LIBGCJ_BC_TRUE@ $(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
+-@USE_LIBGCJ_BC_TRUE@ -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
++@USE_LIBGCJ_BC_TRUE@ -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
+ @USE_LIBGCJ_BC_TRUE@ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
+ @USE_LIBGCJ_BC_TRUE@ $(LN_S) libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
+ @USE_LIBGCJ_BC_TRUE@ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.la;
+