diff -Nur gcc-5.3.0.orig/fixincludes/mkfixinc.sh gcc-5.3.0/fixincludes/mkfixinc.sh
--- gcc-5.3.0.orig/fixincludes/mkfixinc.sh 2012-10-28 22:42:48.000000000 +0100
+++ gcc-5.3.0/fixincludes/mkfixinc.sh 2015-12-08 05:53:22.243521385 +0100
@@ -19,7 +19,8 @@
powerpc-*-eabi* | \
powerpc-*-rtems* | \
powerpcle-*-eabisim* | \
- powerpcle-*-eabi* )
+ powerpcle-*-eabi* | \
+ *-musl* )
# IF there is no include fixing,
# THEN create a no-op fixer and exit
(echo "#! /bin/sh" ; echo "exit 0" ) > ${target}
diff -Nur gcc-5.3.0.orig/gcc/config/aarch64/aarch64-linux.h gcc-5.3.0/gcc/config/aarch64/aarch64-linux.h
--- gcc-5.3.0.orig/gcc/config/aarch64/aarch64-linux.h 2015-07-24 18:00:26.000000000 +0200
+++ gcc-5.3.0/gcc/config/aarch64/aarch64-linux.h 2015-12-08 05:53:22.243521385 +0100
@@ -29,6 +29,8 @@
#undef CC1_SPEC
#define CC1_SPEC GNU_USER_TARGET_CC1_SPEC ASAN_CC1_SPEC
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1"
+
#define CPP_SPEC "%{pthread:-D_REENTRANT}"
#define LINUX_TARGET_LINK_SPEC "%{h*} \
diff -Nur gcc-5.3.0.orig/gcc/config/arm/linux-eabi.h gcc-5.3.0/gcc/config/arm/linux-eabi.h
--- gcc-5.3.0.orig/gcc/config/arm/linux-eabi.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/arm/linux-eabi.h 2015-12-08 05:53:22.243521385 +0100
@@ -77,6 +77,23 @@
%{mfloat-abi=soft*:" GLIBC_DYNAMIC_LINKER_SOFT_FLOAT "} \
%{!mfloat-abi=*:" GLIBC_DYNAMIC_LINKER_DEFAULT "}"
+/* For ARM musl currently supports four dynamic linkers:
+ - ld-musl-arm.so.1 - for the EABI-derived soft-float ABI
+ - ld-musl-armhf.so.1 - for the EABI-derived hard-float ABI
+ - ld-musl-armeb.so.1 - for the EABI-derived soft-float ABI, EB
+ - ld-musl-armebhf.so.1 - for the EABI-derived hard-float ABI, EB
+ musl does not support the legacy OABI mode.
+ All the dynamic linkers live in /lib.
+ We default to soft-float, EL. */
+#undef MUSL_DYNAMIC_LINKER
+#if TARGET_BIG_ENDIAN_DEFAULT
+#define MUSL_DYNAMIC_LINKER_E "%{mlittle-endian:;:eb}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{mbig-endian:eb}"
+#endif
+#define MUSL_DYNAMIC_LINKER \
+ "/lib/ld-musl-arm" MUSL_DYNAMIC_LINKER_E "%{mfloat-abi=hard:hf}.so.1"
+
/* At this point, bpabi.h will have clobbered LINK_SPEC. We want to
use the GNU/Linux version, not the generic BPABI version. */
#undef LINK_SPEC
diff -Nur gcc-5.3.0.orig/gcc/config/i386/linux64.h gcc-5.3.0/gcc/config/i386/linux64.h
--- gcc-5.3.0.orig/gcc/config/i386/linux64.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/i386/linux64.h 2015-12-08 05:53:22.243521385 +0100
@@ -30,3 +30,7 @@
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
#define GLIBC_DYNAMIC_LINKERX32 "/libx32/ld-linux-x32.so.2"
+
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1"
+#define MUSL_DYNAMIC_LINKERX32 "/lib/ld-musl-x32.so.1"
diff -Nur gcc-5.3.0.orig/gcc/config/i386/linux.h gcc-5.3.0/gcc/config/i386/linux.h
--- gcc-5.3.0.orig/gcc/config/i386/linux.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/i386/linux.h 2015-12-08 05:53:22.243521385 +0100
@@ -21,3 +21,4 @@
#define GNU_USER_LINK_EMULATION "elf_i386"
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1"
diff -Nur gcc-5.3.0.orig/gcc/config/linux.h gcc-5.3.0/gcc/config/linux.h
--- gcc-5.3.0.orig/gcc/config/linux.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/linux.h 2015-12-08 05:53:22.243521385 +0100
@@ -32,10 +32,12 @@
#define OPTION_GLIBC (DEFAULT_LIBC == LIBC_GLIBC)
#define OPTION_UCLIBC (DEFAULT_LIBC == LIBC_UCLIBC)
#define OPTION_BIONIC (DEFAULT_LIBC == LIBC_BIONIC)
+#define OPTION_MUSL (DEFAULT_LIBC == LIBC_MUSL)
#else
#define OPTION_GLIBC (linux_libc == LIBC_GLIBC)
#define OPTION_UCLIBC (linux_libc == LIBC_UCLIBC)
#define OPTION_BIONIC (linux_libc == LIBC_BIONIC)
+#define OPTION_MUSL (linux_libc == LIBC_MUSL)
#endif
#define GNU_USER_TARGET_OS_CPP_BUILTINS() \
@@ -53,18 +55,21 @@
uClibc or Bionic is the default C library and whether
-muclibc or -mglibc or -mbionic has been passed to change the default. */
-#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LD1, LD2, LD3) \
- "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:" LD1 "}}"
+#define CHOOSE_DYNAMIC_LINKER1(LIBC1, LIBC2, LIBC3, LIBC4, LD1, LD2, LD3, LD4) \
+ "%{" LIBC2 ":" LD2 ";:%{" LIBC3 ":" LD3 ";:%{" LIBC4 ":" LD4 ";:" LD1 "}}}"
#if DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", G, U, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mglibc", "muclibc", "mbionic", "mmusl", G, U, B, M)
#elif DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", U, G, B)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("muclibc", "mglibc", "mbionic", "mmusl", U, G, B, M)
#elif DEFAULT_LIBC == LIBC_BIONIC
-#define CHOOSE_DYNAMIC_LINKER(G, U, B) \
- CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", B, G, U)
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mbionic", "mglibc", "muclibc", "mmusl", B, G, U, M)
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, B, M) \
+ CHOOSE_DYNAMIC_LINKER1 ("mmusl", "mglibc", "muclibc", "mbionic", M, G, U, B)
#else
#error "Unsupported DEFAULT_LIBC"
#endif /* DEFAULT_LIBC */
@@ -84,21 +89,92 @@
#define GNU_USER_DYNAMIC_LINKER \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
- BIONIC_DYNAMIC_LINKER)
+ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
#define GNU_USER_DYNAMIC_LINKER32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
- BIONIC_DYNAMIC_LINKER32)
+ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
#define GNU_USER_DYNAMIC_LINKER64 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
- BIONIC_DYNAMIC_LINKER64)
+ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
#define GNU_USER_DYNAMIC_LINKERX32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERX32, UCLIBC_DYNAMIC_LINKERX32, \
- BIONIC_DYNAMIC_LINKERX32)
+ BIONIC_DYNAMIC_LINKERX32, MUSL_DYNAMIC_LINKERX32)
/* Whether we have Bionic libc runtime */
#undef TARGET_HAS_BIONIC
#define TARGET_HAS_BIONIC (OPTION_BIONIC)
+/* musl avoids problematic includes by rearranging the include directories.
+ * Unfortunately, this is mostly duplicated from cppdefault.c */
+#if DEFAULT_LIBC == LIBC_MUSL
+#define INCLUDE_DEFAULTS_MUSL_GPP \
+ { GPLUSPLUS_INCLUDE_DIR, "G++", 1, 1, \
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 }, \
+ { GPLUSPLUS_TOOL_INCLUDE_DIR, "G++", 1, 1, \
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 1 }, \
+ { GPLUSPLUS_BACKWARD_INCLUDE_DIR, "G++", 1, 1, \
+ GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT, 0 },
+
+#ifdef LOCAL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_LOCAL \
+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 2 }, \
+ { LOCAL_INCLUDE_DIR, 0, 0, 1, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_LOCAL
+#endif
+
+#ifdef PREFIX_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_PREFIX \
+ { PREFIX_INCLUDE_DIR, 0, 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_PREFIX
+#endif
+
+#ifdef CROSS_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_CROSS \
+ { CROSS_INCLUDE_DIR, "GCC", 0, 0, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#ifdef TOOL_INCLUDE_DIR
+#define INCLUDE_DEFAULTS_MUSL_TOOL \
+ { TOOL_INCLUDE_DIR, "BINUTILS", 0, 1, 0, 0},
+#else
+#define INCLUDE_DEFAULTS_MUSL_TOOL
+#endif
+
+#ifdef NATIVE_SYSTEM_HEADER_DIR
+#define INCLUDE_DEFAULTS_MUSL_NATIVE \
+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 2 }, \
+ { NATIVE_SYSTEM_HEADER_DIR, 0, 0, 0, 1, 0 },
+#else
+#define INCLUDE_DEFAULTS_MUSL_NATIVE
+#endif
+
+#if defined (CROSS_DIRECTORY_STRUCTURE) && !defined (TARGET_SYSTEM_ROOT)
+# undef INCLUDE_DEFAULTS_MUSL_LOCAL
+# define INCLUDE_DEFAULTS_MUSL_LOCAL
+# undef INCLUDE_DEFAULTS_MUSL_NATIVE
+# define INCLUDE_DEFAULTS_MUSL_NATIVE
+#else
+# undef INCLUDE_DEFAULTS_MUSL_CROSS
+# define INCLUDE_DEFAULTS_MUSL_CROSS
+#endif
+
+#undef INCLUDE_DEFAULTS
+#define INCLUDE_DEFAULTS \
+ { \
+ INCLUDE_DEFAULTS_MUSL_GPP \
+ INCLUDE_DEFAULTS_MUSL_PREFIX \
+ INCLUDE_DEFAULTS_MUSL_CROSS \
+ INCLUDE_DEFAULTS_MUSL_TOOL \
+ INCLUDE_DEFAULTS_MUSL_NATIVE \
+ { GCC_INCLUDE_DIR, "GCC", 0, 1, 0, 0 }, \
+ { 0, 0, 0, 0, 0, 0 } \
+ }
+#endif
+
#if (DEFAULT_LIBC == LIBC_UCLIBC) && defined (SINGLE_LIBC) /* uClinux */
/* This is a *uclinux* target. We don't define below macros to normal linux
versions, because doing so would require *uclinux* targets to include
diff -Nur gcc-5.3.0.orig/gcc/config/linux.opt gcc-5.3.0/gcc/config/linux.opt
--- gcc-5.3.0.orig/gcc/config/linux.opt 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/linux.opt 2015-12-08 05:53:22.243521385 +0100
@@ -30,3 +30,7 @@
muclibc
Target Report RejectNegative Var(linux_libc,LIBC_UCLIBC) Negative(mbionic)
Use uClibc C library
+
+mmusl
+Target Report RejectNegative Var(linux_libc,LIBC_MUSL) Negative(mglibc)
+Use musl C library
diff -Nur gcc-5.3.0.orig/gcc/config/microblaze/linux.h gcc-5.3.0/gcc/config/microblaze/linux.h
--- gcc-5.3.0.orig/gcc/config/microblaze/linux.h 2015-05-28 16:08:19.000000000 +0200
+++ gcc-5.3.0/gcc/config/microblaze/linux.h 2015-12-08 05:53:22.243521385 +0100
@@ -28,7 +28,22 @@
#undef TLS_NEEDS_GOT
#define TLS_NEEDS_GOT 1
-#define DYNAMIC_LINKER "/lib/ld.so.1"
+#if TARGET_BIG_ENDIAN_DEFAULT == 0 /* LE */
+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}"
+#endif
+
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-microblaze" MUSL_DYNAMIC_LINKER_E ".so.1"
+#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+
+#if DEFAULT_LIBC == LIBC_MUSL
+#define DYNAMIC_LINKER MUSL_DYNAMIC_LINKER
+#else
+#define DYNAMIC_LINKER GLIBC_DYNAMIC_LINKER
+#endif
+
+
#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
{ "dynamic_linker", DYNAMIC_LINKER }
diff -Nur gcc-5.3.0.orig/gcc/config/microblaze/microblaze.h gcc-5.3.0/gcc/config/microblaze/microblaze.h
--- gcc-5.3.0.orig/gcc/config/microblaze/microblaze.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/microblaze/microblaze.h 2015-12-08 05:53:22.243521385 +0100
@@ -218,6 +218,12 @@
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "int"
+#undef SIZE_TYPE
+#define SIZE_TYPE "unsigned int"
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE "int"
+
#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
((TREE_CODE (EXP) == STRING_CST || TREE_CODE (EXP) == CONSTRUCTOR) \
&& (ALIGN) < BITS_PER_WORD \
diff -Nur gcc-5.3.0.orig/gcc/config/mips/linux.h gcc-5.3.0/gcc/config/mips/linux.h
--- gcc-5.3.0.orig/gcc/config/mips/linux.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/mips/linux.h 2015-12-08 05:53:22.243521385 +0100
@@ -31,13 +31,26 @@
#undef UCLIBC_DYNAMIC_LINKER32
#define UCLIBC_DYNAMIC_LINKER32 \
"%{mnan=2008:/lib/ld-uClibc-mipsn8.so.0;:/lib/ld-uClibc.so.0}"
+
+#if TARGET_ENDIAN_DEFAULT == 0 /* LE */
+#define MUSL_DYNAMIC_LINKER_E "%{EB:;:el}"
+#else
+#define MUSL_DYNAMIC_LINKER_E "%{EL:el}"
+#endif
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
#undef UCLIBC_DYNAMIC_LINKER64
#define UCLIBC_DYNAMIC_LINKER64 \
"%{mnan=2008:/lib/ld64-uClibc-mipsn8.so.0;:/lib/ld64-uClibc.so.0}"
#define UCLIBC_DYNAMIC_LINKERN32 \
"%{mnan=2008:/lib32/ld-uClibc-mipsn8.so.0;:/lib32/ld-uClibc.so.0}"
+#undef MUSL_DYNAMIC_LINKER32
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips%{EL:el}%{msoft-float:-sf}.so.1"
+#undef MUSL_DYNAMIC_LINKER64
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips64%{EL:el}%{msoft-float:-sf}.so.1"
+#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mipsn32%{EL:el}%{msoft-float:-sf}.so.1"
+
#define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
#define GNU_USER_DYNAMIC_LINKERN32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
- BIONIC_DYNAMIC_LINKERN32)
+ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
diff -Nur gcc-5.3.0.orig/gcc/config/rs6000/linux64.h gcc-5.3.0/gcc/config/rs6000/linux64.h
--- gcc-5.3.0.orig/gcc/config/rs6000/linux64.h 2015-03-10 00:18:57.000000000 +0100
+++ gcc-5.3.0/gcc/config/rs6000/linux64.h 2015-12-08 05:53:22.243521385 +0100
@@ -365,17 +365,21 @@
#endif
#define UCLIBC_DYNAMIC_LINKER32 "/lib/ld-uClibc.so.0"
#define UCLIBC_DYNAMIC_LINKER64 "/lib/ld64-uClibc.so.0"
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-powerpc.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-powerpc64.so.1"
#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
#elif DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
#else
#error "Unsupported DEFAULT_LIBC"
#endif
#define GNU_USER_DYNAMIC_LINKER32 \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32)
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
#define GNU_USER_DYNAMIC_LINKER64 \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64)
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
#undef DEFAULT_ASM_ENDIAN
#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
diff -Nur gcc-5.3.0.orig/gcc/config/rs6000/secureplt.h gcc-5.3.0/gcc/config/rs6000/secureplt.h
--- gcc-5.3.0.orig/gcc/config/rs6000/secureplt.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/rs6000/secureplt.h 2015-12-08 05:53:22.243521385 +0100
@@ -18,3 +18,4 @@
. */
#define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
diff -Nur gcc-5.3.0.orig/gcc/config/rs6000/sysv4.h gcc-5.3.0/gcc/config/rs6000/sysv4.h
--- gcc-5.3.0.orig/gcc/config/rs6000/sysv4.h 2015-09-24 15:46:45.000000000 +0200
+++ gcc-5.3.0/gcc/config/rs6000/sysv4.h 2015-12-08 05:53:22.243521385 +0100
@@ -537,6 +537,9 @@
#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
#define CC1_SECURE_PLT_DEFAULT_SPEC ""
#endif
+#ifndef LINK_SECURE_PLT_DEFAULT_SPEC
+#define LINK_SECURE_PLT_DEFAULT_SPEC ""
+#endif
/* Pass -G xxx to the compiler. */
#undef CC1_SPEC
@@ -759,15 +762,18 @@
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-powerpc.so.1"
#if DEFAULT_LIBC == LIBC_UCLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{mmusl:" M ";:" U "}}"
+#elif DEFAULT_LIBC == LIBC_MUSL
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{mglibc:" G ";:%{muclibc:" U ";:" M "}}"
#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
-#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
+#define CHOOSE_DYNAMIC_LINKER(G, U, M) "%{muclibc:" U ";:%{mmusl:" M ";:" G "}}"
#else
#error "Unsupported DEFAULT_LIBC"
#endif
#define GNU_USER_DYNAMIC_LINKER \
- CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
+ CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
%{rdynamic:-export-dynamic} \
@@ -889,6 +895,7 @@
{ "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
{ "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
+ { "link_secure_plt_default", LINK_SECURE_PLT_DEFAULT_SPEC }, \
{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
diff -Nur gcc-5.3.0.orig/gcc/config/sh/linux.h gcc-5.3.0/gcc/config/sh/linux.h
--- gcc-5.3.0.orig/gcc/config/sh/linux.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/config/sh/linux.h 2015-12-08 05:53:22.243521385 +0100
@@ -43,7 +43,14 @@
#define TARGET_ASM_FILE_END file_end_indicate_exec_stack
+#if TARGET_BIG_ENDIAN_DEFAULT /* BE */
+#define MUSL_DYNAMIC_LINKER_E "eb"
+#else
+#define MUSL_DYNAMIC_LINKER_E
+#endif
+
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-sh" MUSL_DYNAMIC_LINKER_E ".so.1"
#undef SUBTARGET_LINK_EMUL_SUFFIX
#define SUBTARGET_LINK_EMUL_SUFFIX "_linux"
diff -Nur gcc-5.3.0.orig/gcc/config.gcc gcc-5.3.0/gcc/config.gcc
--- gcc-5.3.0.orig/gcc/config.gcc 2015-09-10 16:17:53.000000000 +0200
+++ gcc-5.3.0/gcc/config.gcc 2015-12-08 05:53:22.247521539 +0100
@@ -575,7 +575,7 @@
esac
# Common C libraries.
-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
# 32-bit x86 processors supported by --with-arch=. Each processor
# MUST be separated by exactly one space.
@@ -720,6 +720,9 @@
*-*-*uclibc*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
;;
+ *-*-*musl*)
+ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
+ ;;
*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
;;
@@ -2413,6 +2416,10 @@
powerpc*-*-linux*paired*)
tm_file="${tm_file} rs6000/750cl.h" ;;
esac
+ case ${target} in
+ *-linux*-musl*)
+ enable_secureplt=yes ;;
+ esac
if test x${enable_secureplt} = xyes; then
tm_file="rs6000/secureplt.h ${tm_file}"
fi
diff -Nur gcc-5.3.0.orig/gcc/configure gcc-5.3.0/gcc/configure
--- gcc-5.3.0.orig/gcc/configure 2015-11-19 14:32:10.000000000 +0100
+++ gcc-5.3.0/gcc/configure 2015-12-08 05:53:22.251521693 +0100
@@ -27802,6 +27802,9 @@
else
gcc_cv_libc_provides_ssp=no
case "$target" in
+ *-*-musl*)
+ # All versions of musl provide stack protector
+ gcc_cv_libc_provides_ssp=yes;;
*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
# glibc 2.4 and later provides __stack_chk_fail and
# either __stack_chk_guard, or TLS access to stack guard canary.
@@ -27834,6 +27837,7 @@
# ) and for now
# simply assert that glibc does provide this, which is true for all
# realistically usable GNU/Hurd configurations.
+ # All supported versions of musl provide it as well
gcc_cv_libc_provides_ssp=yes;;
*-*-darwin* | *-*-freebsd*)
ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
@@ -27930,6 +27934,9 @@
gcc_cv_target_dl_iterate_phdr=no
fi
;;
+ *-linux-musl*)
+ gcc_cv_target_dl_iterate_phdr=yes
+ ;;
esac
if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
diff -Nur gcc-5.3.0.orig/gcc/configure.ac gcc-5.3.0/gcc/configure.ac
--- gcc-5.3.0.orig/gcc/configure.ac 2015-11-19 14:32:10.000000000 +0100
+++ gcc-5.3.0/gcc/configure.ac 2015-12-08 05:53:22.255521847 +0100
@@ -5282,6 +5282,9 @@
gcc_cv_libc_provides_ssp,
[gcc_cv_libc_provides_ssp=no
case "$target" in
+ *-*-musl*)
+ # All versions of musl provide stack protector
+ gcc_cv_libc_provides_ssp=yes;;
*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
# glibc 2.4 and later provides __stack_chk_fail and
# either __stack_chk_guard, or TLS access to stack guard canary.
@@ -5308,6 +5311,7 @@
# ) and for now
# simply assert that glibc does provide this, which is true for all
# realistically usable GNU/Hurd configurations.
+ # All supported versions of musl provide it as well
gcc_cv_libc_provides_ssp=yes;;
*-*-darwin* | *-*-freebsd*)
AC_CHECK_FUNC(__stack_chk_fail,[gcc_cv_libc_provides_ssp=yes],
@@ -5381,6 +5385,9 @@
gcc_cv_target_dl_iterate_phdr=no
fi
;;
+ *-linux-musl*)
+ gcc_cv_target_dl_iterate_phdr=yes
+ ;;
esac
GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
diff -Nur gcc-5.3.0.orig/gcc/gcc.c gcc-5.3.0/gcc/gcc.c
--- gcc-5.3.0.orig/gcc/gcc.c 2015-03-10 10:37:41.000000000 +0100
+++ gcc-5.3.0/gcc/gcc.c 2015-12-08 05:53:22.255521847 +0100
@@ -729,7 +729,7 @@
#ifndef LINK_SSP_SPEC
#ifdef TARGET_LIBC_PROVIDES_SSP
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
- "|fstack-protector-strong|fstack-protector-explicit:}"
+ "|fstack-protector-strong|fstack-protector-explicit:-lssp_nonshared}"
#else
#define LINK_SSP_SPEC "%{fstack-protector|fstack-protector-all" \
"|fstack-protector-strong|fstack-protector-explicit" \
diff -Nur gcc-5.3.0.orig/gcc/ginclude/stddef.h gcc-5.3.0/gcc/ginclude/stddef.h
--- gcc-5.3.0.orig/gcc/ginclude/stddef.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/gcc/ginclude/stddef.h 2015-12-08 05:53:22.255521847 +0100
@@ -184,6 +184,7 @@
#ifndef _GCC_SIZE_T
#ifndef _SIZET_
#ifndef __size_t
+#ifndef __DEFINED_size_t /* musl */
#define __size_t__ /* BeOS */
#define __SIZE_T__ /* Cray Unicos/Mk */
#define _SIZE_T
@@ -200,6 +201,7 @@
#define ___int_size_t_h
#define _GCC_SIZE_T
#define _SIZET_
+#define __DEFINED_size_t /* musl */
#if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
|| defined(__DragonFly__) \
|| defined(__FreeBSD_kernel__)
@@ -218,6 +220,7 @@
typedef long ssize_t;
#endif /* __BEOS__ */
#endif /* !(defined (__GNUG__) && defined (size_t)) */
+#endif /* __DEFINED_size_t */
#endif /* __size_t */
#endif /* _SIZET_ */
#endif /* _GCC_SIZE_T */
diff -Nur gcc-5.3.0.orig/libgcc/unwind-dw2-fde-dip.c gcc-5.3.0/libgcc/unwind-dw2-fde-dip.c
--- gcc-5.3.0.orig/libgcc/unwind-dw2-fde-dip.c 2015-01-27 11:02:26.000000000 +0100
+++ gcc-5.3.0/libgcc/unwind-dw2-fde-dip.c 2015-12-08 05:53:22.255521847 +0100
@@ -46,6 +46,10 @@
#include "unwind-compat.h"
#include "gthr.h"
+#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
+# define USE_PT_GNU_EH_FRAME
+#endif
+
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
&& (__GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2) \
|| (__GLIBC__ == 2 && __GLIBC_MINOR__ == 2 && defined(DT_CONFIG)))
diff -Nur gcc-5.3.0.orig/libgomp/config/posix/time.c gcc-5.3.0/libgomp/config/posix/time.c
--- gcc-5.3.0.orig/libgomp/config/posix/time.c 2015-01-10 20:10:37.000000000 +0100
+++ gcc-5.3.0/libgomp/config/posix/time.c 2015-12-08 05:53:22.255521847 +0100
@@ -29,6 +29,8 @@
The following implementation uses the most simple POSIX routines.
If present, POSIX 4 clocks should be used instead. */
+#define _POSIX_C_SOURCE 199309L /* for clocks */
+
#include "libgomp.h"
#include
#if TIME_WITH_SYS_TIME
diff -Nur gcc-5.3.0.orig/libitm/config/arm/hwcap.cc gcc-5.3.0/libitm/config/arm/hwcap.cc
--- gcc-5.3.0.orig/libitm/config/arm/hwcap.cc 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/libitm/config/arm/hwcap.cc 2015-12-08 05:53:22.255521847 +0100
@@ -40,7 +40,11 @@
#ifdef __linux__
#include
+#ifdef __GLIBC__
#include
+#else
+#include
+#endif
#include
static void __attribute__((constructor))
diff -Nur gcc-5.3.0.orig/libitm/config/linux/x86/tls.h gcc-5.3.0/libitm/config/linux/x86/tls.h
--- gcc-5.3.0.orig/libitm/config/linux/x86/tls.h 2015-01-05 13:33:28.000000000 +0100
+++ gcc-5.3.0/libitm/config/linux/x86/tls.h 2015-12-08 05:53:22.255521847 +0100
@@ -25,16 +25,19 @@
#ifndef LIBITM_X86_TLS_H
#define LIBITM_X86_TLS_H 1
-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10)
+#if defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 10)
/* Use slots in the TCB head rather than __thread lookups.
GLIBC has reserved words 10 through 13 for TM. */
#define HAVE_ARCH_GTM_THREAD 1
#define HAVE_ARCH_GTM_THREAD_DISP 1
#endif
+#endif
#include "config/generic/tls.h"
-#if defined(__GLIBC_PREREQ) && __GLIBC_PREREQ(2, 10)
+#if defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 10)
namespace GTM HIDDEN {
#ifdef __x86_64__
@@ -101,5 +104,6 @@
} // namespace GTM
#endif /* >= GLIBC 2.10 */
+#endif
#endif // LIBITM_X86_TLS_H
diff -Nur gcc-5.3.0.orig/libstdc++-v3/configure.host gcc-5.3.0/libstdc++-v3/configure.host
--- gcc-5.3.0.orig/libstdc++-v3/configure.host 2015-06-24 11:59:28.000000000 +0200
+++ gcc-5.3.0/libstdc++-v3/configure.host 2015-12-08 05:53:22.255521847 +0100
@@ -274,6 +274,13 @@
os_include_dir="os/bsd/freebsd"
;;
gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+ # check for musl by target
+ case "${host_os}" in
+ *-musl*)
+ os_include_dir="os/generic"
+ ;;
+ *)
+
if [ "$uclibc" = "yes" ]; then
os_include_dir="os/uclibc"
elif [ "$bionic" = "yes" ]; then
@@ -282,6 +289,9 @@
os_include_dir="os/gnu-linux"
fi
;;
+
+ esac
+ ;;
hpux*)
os_include_dir="os/hpux"
;;