242 lines
10 KiB
Diff
242 lines
10 KiB
Diff
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# DP: On linux targets pass --as-needed by default to the linker, but always
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# DP: link the sanitizer libraries with --no-as-needed.
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--- a/gcc/gcc.c
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+++ b/gcc/gcc.c
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@@ -568,8 +568,11 @@ proper position among the other output f
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#ifdef LIBTSAN_EARLY_SPEC
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#define LIBTSAN_SPEC STATIC_LIBTSAN_LIBS
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#elif defined(HAVE_LD_STATIC_DYNAMIC)
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-#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION \
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- "} -ltsan %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
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+#define LIBTSAN_SPEC "%{static-libtsan:" LD_STATIC_OPTION "}" \
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+ " %{!static-libtsan:%{!fuse-ld=gold:--push-state }--no-as-needed}" \
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+ " -ltsan " \
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+ " %{static-libtsan:" LD_DYNAMIC_OPTION "}" \
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+ " %{!static-libtsan:%{fuse-ld=gold:--as-needed;:--pop-state}}" \
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STATIC_LIBTSAN_LIBS
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#else
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#define LIBTSAN_SPEC "-ltsan" STATIC_LIBTSAN_LIBS
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--- a/gcc/config/gnu-user.h
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+++ b/gcc/config/gnu-user.h
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@@ -124,13 +124,13 @@
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#define LIBASAN_EARLY_SPEC "%{!shared:libasan_preinit%O%s} " \
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"%{static-libasan:%{!shared:" \
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LD_STATIC_OPTION " --whole-archive -lasan --no-whole-archive " \
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- LD_DYNAMIC_OPTION "}}%{!static-libasan:-lasan}"
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+ LD_DYNAMIC_OPTION "}}%{!static-libasan:%{!fuse-ld=gold:--push-state} --no-as-needed -lasan %{fuse-ld=gold:--as-needed;:--pop-state}}"
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#undef LIBTSAN_EARLY_SPEC
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#define LIBTSAN_EARLY_SPEC "%{static-libtsan:%{!shared:" \
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LD_STATIC_OPTION " --whole-archive -ltsan --no-whole-archive " \
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- LD_DYNAMIC_OPTION "}}%{!static-libtsan:-ltsan}"
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+ LD_DYNAMIC_OPTION "}}%{!static-libtsan:%{!fuse-ld=gold:--push-state} --no-as-needed -ltsan %{fuse-ld=gold:--as-needed;:--pop-state}}"
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#undef LIBLSAN_EARLY_SPEC
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#define LIBLSAN_EARLY_SPEC "%{static-liblsan:%{!shared:" \
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LD_STATIC_OPTION " --whole-archive -llsan --no-whole-archive " \
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- LD_DYNAMIC_OPTION "}}%{!static-liblsan:-llsan}"
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+ LD_DYNAMIC_OPTION "}}%{!static-liblsan:%{!fuse-ld=gold:--push-state} --no-as-needed -llsan %{fuse-ld=gold:--as-needed;:--pop-state}}"
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#endif
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Index: b/gcc/config/aarch64/aarch64-linux.h
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===================================================================
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--- a/gcc/config/aarch64/aarch64-linux.h
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+++ b/gcc/config/aarch64/aarch64-linux.h
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@@ -36,5 +36,6 @@
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#define LINUX_TARGET_LINK_SPEC "%{h*} \
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+ --as-needed \
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%{static:-Bstatic} \
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%{shared:-shared} \
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%{symbolic:-Bsymbolic} \
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Index: b/gcc/config/ia64/linux.h
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===================================================================
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--- a/gcc/config/ia64/linux.h
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+++ b/gcc/config/ia64/linux.h
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@@ -58,7 +58,7 @@ do { \
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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-ia64.so.2"
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#undef LINK_SPEC
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-#define LINK_SPEC "\
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+#define LINK_SPEC " --as-needed \
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%{shared:-shared} \
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%{!shared: \
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%{!static: \
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Index: b/gcc/config/sparc/linux.h
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===================================================================
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--- a/gcc/config/sparc/linux.h
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+++ b/gcc/config/sparc/linux.h
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@@ -86,7 +86,7 @@ extern const char *host_detect_local_cpu
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#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
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#undef LINK_SPEC
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-#define LINK_SPEC "-m elf32_sparc %{shared:-shared} \
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+#define LINK_SPEC "-m elf32_sparc --as-needed %{shared:-shared} \
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%{!mno-relax:%{!r:-relax}} \
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%{!shared: \
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%{!static: \
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Index: b/gcc/config/s390/linux.h
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===================================================================
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--- a/gcc/config/s390/linux.h
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+++ b/gcc/config/s390/linux.h
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@@ -65,7 +65,7 @@ along with GCC; see the file COPYING3.
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#undef LINK_SPEC
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#define LINK_SPEC \
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- "%{m31:-m elf_s390}%{m64:-m elf64_s390} \
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+ "%{m31:-m elf_s390}%{m64:-m elf64_s390} --as-needed \
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%{shared:-shared} \
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%{!shared: \
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%{static:-static} \
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Index: b/gcc/config/rs6000/linux64.h
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===================================================================
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--- a/gcc/config/rs6000/linux64.h
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+++ b/gcc/config/rs6000/linux64.h
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@@ -466,12 +466,12 @@ extern int dot_symbols;
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" -m elf64ppc")
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#endif
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-#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \
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+#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " --as-needed %{!shared: %{!static: \
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%{rdynamic:-export-dynamic} \
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-dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}} \
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%(link_os_extra_spec32)"
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-#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " %{!shared: %{!static: \
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+#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " --as-needed %{!shared: %{!static: \
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%{rdynamic:-export-dynamic} \
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-dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}} \
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%(link_os_extra_spec64)"
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Index: b/gcc/config/rs6000/sysv4.h
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===================================================================
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--- a/gcc/config/rs6000/sysv4.h
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+++ b/gcc/config/rs6000/sysv4.h
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@@ -784,7 +784,7 @@ ENDIAN_SELECT(" -mbig", " -mlittle", DEF
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CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
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MUSL_DYNAMIC_LINKER)
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-#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
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+#define LINK_OS_LINUX_SPEC "-m elf32ppclinux --as-needed %{!shared: %{!static: \
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%{rdynamic:-export-dynamic} \
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-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
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Index: b/gcc/config/i386/gnu-user64.h
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===================================================================
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--- a/gcc/config/i386/gnu-user64.h
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+++ b/gcc/config/i386/gnu-user64.h
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@@ -57,5 +57,6 @@ see the files COPYING3 and COPYING.RUNTI
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%{" SPEC_32 ":-m " GNU_USER_LINK_EMULATION32 "} \
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%{" SPEC_X32 ":-m " GNU_USER_LINK_EMULATIONX32 "} \
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+ --as-needed \
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%{shared:-shared} \
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%{!shared: \
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%{!static: \
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Index: b/gcc/config/i386/gnu-user.h
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===================================================================
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--- a/gcc/config/i386/gnu-user.h
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+++ b/gcc/config/i386/gnu-user.h
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@@ -74,7 +74,7 @@ along with GCC; see the file COPYING3.
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{ "link_emulation", GNU_USER_LINK_EMULATION },\
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{ "dynamic_linker", GNU_USER_DYNAMIC_LINKER }
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-#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) %{shared:-shared} \
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+#define GNU_USER_TARGET_LINK_SPEC "-m %(link_emulation) --as-needed %{shared:-shared} \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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Index: b/gcc/config/alpha/linux-elf.h
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===================================================================
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--- a/gcc/config/alpha/linux-elf.h
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+++ b/gcc/config/alpha/linux-elf.h
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@@ -37,7 +37,7 @@ along with GCC; see the file COPYING3.
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#define ELF_DYNAMIC_LINKER GNU_USER_DYNAMIC_LINKER
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-#define LINK_SPEC "-m elf64alpha %{G*} %{relax:-relax} \
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+#define LINK_SPEC "-m elf64alpha --as-needed %{G*} %{relax:-relax} \
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%{O*:-O3} %{!O*:-O1} \
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%{shared:-shared} \
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%{!shared: \
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Index: b/gcc/config/arm/linux-elf.h
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===================================================================
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--- a/gcc/config/arm/linux-elf.h
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+++ b/gcc/config/arm/linux-elf.h
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@@ -73,5 +73,6 @@
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%{!shared:-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}} \
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-X \
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+ --as-needed \
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%{mbig-endian:-EB} %{mlittle-endian:-EL}" \
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SUBTARGET_EXTRA_LINK_SPEC
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Index: b/gcc/config/mips/gnu-user.h
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===================================================================
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--- a/gcc/config/mips/gnu-user.h
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+++ b/gcc/config/mips/gnu-user.h
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@@ -55,6 +55,7 @@ along with GCC; see the file COPYING3.
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#undef GNU_USER_TARGET_LINK_SPEC
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#define GNU_USER_TARGET_LINK_SPEC "\
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%{G*} %{EB} %{EL} %{mips*} %{shared} \
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+ --as-needed \
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%{!shared: \
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%{!static: \
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%{rdynamic:-export-dynamic} \
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Index: b/libjava/Makefile.am
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===================================================================
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--- a/libjava/Makefile.am
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+++ b/libjava/Makefile.am
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@@ -627,14 +631,14 @@
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rm .libs/libgcj_bc.so; \
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mv .libs/libgcj_bc.so.1.0.0 .libs/libgcj_bc.so; \
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$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
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- -o .libs/libgcj_bc.so.1.0.0 -lgcj || exit; \
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+ -o .libs/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
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rm .libs/libgcj_bc.so.1; \
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$(LN_S) libgcj_bc.so.1.0.0 .libs/libgcj_bc.so.1
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## This rule creates the libgcj_bc library that is actually installed.
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install/libgcj_bc.la: $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_DEPENDENCIES) install/$(am__dirstamp)
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$(libgcj_bc_la_LINK) $(am_libgcj_bc_la_rpath) $(libgcj_bc_la_LDFLAGS) \
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- $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS)
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+ $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS) -Wl,--no-as-needed -lgcj
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## Note that property_files is defined in sources.am.
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propertyo_files = $(patsubst classpath/resource/%,%,$(addsuffix .lo,$(property_files)))
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@@ -762,7 +766,7 @@
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rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
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- -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
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+ -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
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rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
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$(LN_S) libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
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rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.la;
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Index: b/libjava/Makefile.in
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===================================================================
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--- a/libjava/Makefile.in
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+++ b/libjava/Makefile.in
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@@ -10644,13 +10648,13 @@
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rm .libs/libgcj_bc.so; \
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mv .libs/libgcj_bc.so.1.0.0 .libs/libgcj_bc.so; \
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$(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
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- -o .libs/libgcj_bc.so.1.0.0 -lgcj || exit; \
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+ -o .libs/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
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rm .libs/libgcj_bc.so.1; \
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$(LN_S) libgcj_bc.so.1.0.0 .libs/libgcj_bc.so.1
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install/libgcj_bc.la: $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_DEPENDENCIES) install/$(am__dirstamp)
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$(libgcj_bc_la_LINK) $(am_libgcj_bc_la_rpath) $(libgcj_bc_la_LDFLAGS) \
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- $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS)
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+ $(libgcj_bc_la_OBJECTS) $(libgcj_bc_la_LIBADD) $(LIBS) -Wl,--no-as-needed -lgcj
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$(propertyo_files): %.lo: classpath/resource/%
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$(mkinstalldirs) `dirname $@`; \
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@@ -12494,7 +12498,7 @@
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@USE_LIBGCJ_BC_TRUE@ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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@USE_LIBGCJ_BC_TRUE@ mv $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so; \
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@USE_LIBGCJ_BC_TRUE@ $(libgcj_bc_dummy_LINK) -xc /dev/null -Wl,-soname,libgcj_bc.so.1 \
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-@USE_LIBGCJ_BC_TRUE@ -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -lgcj || exit; \
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+@USE_LIBGCJ_BC_TRUE@ -o $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1.0.0 -Wl,--no-as-needed -lgcj || exit; \
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@USE_LIBGCJ_BC_TRUE@ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
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@USE_LIBGCJ_BC_TRUE@ $(LN_S) libgcj_bc.so.1.0.0 $(DESTDIR)$(toolexeclibdir)/libgcj_bc.so.1; \
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@USE_LIBGCJ_BC_TRUE@ rm $(DESTDIR)$(toolexeclibdir)/libgcj_bc.la;
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