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openwrt/toolchain/gcc/patches/4.6-linaro/200-musl.patch

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diff --git a/config.sub b/config.sub
--- a/config.sub
+++ b/config.sub
@@ -125,6 +125,7 @@ esac
maybe_os=`echo $1 | sed 's/^\(.*\)-\([^-]*-[^-]*\)$/\2/'`
case $maybe_os in
nto-qnx* | linux-gnu* | linux-android* | linux-dietlibc | linux-newlib* | \
+ linux-musl* | \
linux-uclibc* | uclinux-uclibc* | uclinux-gnu* | kfreebsd*-gnu* | \
knetbsd*-gnu* | netbsd*-gnu* | \
kopensolaris*-gnu* | \
@@ -1310,6 +1311,7 @@ case $os in
| -cygwin* | -pe* | -psos* | -moss* | -proelf* | -rtems* \
| -mingw32* | -linux-gnu* | -linux-android* \
| -linux-newlib* | -linux-uclibc* \
+ | -linux-musl* \
| -uxpv* | -beos* | -mpeix* | -udk* \
| -interix* | -uwin* | -mks* | -rhapsody* | -darwin* | -opened* \
| -openstep* | -oskit* | -conix* | -pw32* | -nonstopux* \
diff --git a/gcc/config.gcc b/gcc/config.gcc
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -478,7 +478,7 @@ case ${target} in
esac
# Common C libraries.
-tm_defines="$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"
# Common parts for widely ported systems.
case ${target} in
@@ -591,6 +591,9 @@ case ${target} in
*-*-*uclibc*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
;;
+ *-*-*musl*)
+ tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
+ ;;
*)
tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
;;
diff --git a/gcc/config/arm/linux-eabi.h b/gcc/config/arm/linux-eabi.h
--- a/gcc/config/arm/linux-eabi.h
+++ b/gcc/config/arm/linux-eabi.h
@@ -64,6 +64,10 @@
#undef GLIBC_DYNAMIC_LINKER
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.3"
+/* musl has no "classic" (i.e. broken) mode */
+#undef MUSL_DYNAMIC_LINKER
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-arm.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 --git a/gcc/config/i386/linux.h b/gcc/config/i386/linux.h
--- a/gcc/config/i386/linux.h
+++ b/gcc/config/i386/linux.h
@@ -93,6 +93,7 @@ along with GCC; see the file COPYING3. If not see
/* These macros may be overridden in k*bsd-gnu.h and i386/k*bsd-gnu.h. */
#define LINK_EMULATION "elf_i386"
#define GLIBC_DYNAMIC_LINKER "/lib/ld-linux.so.2"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-i386.so.1"
#undef ASM_SPEC
#define ASM_SPEC \
diff --git a/gcc/config/i386/linux64.h b/gcc/config/i386/linux64.h
--- a/gcc/config/i386/linux64.h
+++ b/gcc/config/i386/linux64.h
@@ -65,6 +65,9 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define GLIBC_DYNAMIC_LINKER32 "/lib/ld-linux.so.2"
#define GLIBC_DYNAMIC_LINKER64 "/lib64/ld-linux-x86-64.so.2"
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-i386.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-x86_64.so.1"
+
#if TARGET_64BIT_DEFAULT
#define SPEC_32 "m32"
#define SPEC_64 "!m32"
diff --git a/gcc/config/linux.h b/gcc/config/linux.h
--- a/gcc/config/linux.h
+++ b/gcc/config/linux.h
@@ -33,10 +33,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#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 LINUX_TARGET_OS_CPP_BUILTINS() \
@@ -54,18 +56,21 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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 */
@@ -83,13 +88,13 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define LINUX_DYNAMIC_LINKER \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER, \
- BIONIC_DYNAMIC_LINKER)
+ BIONIC_DYNAMIC_LINKER, MUSL_DYNAMIC_LINKER)
#define LINUX_DYNAMIC_LINKER32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER32, \
- BIONIC_DYNAMIC_LINKER32)
+ BIONIC_DYNAMIC_LINKER32, MUSL_DYNAMIC_LINKER32)
#define LINUX_DYNAMIC_LINKER64 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER64, \
- BIONIC_DYNAMIC_LINKER64)
+ BIONIC_DYNAMIC_LINKER64, MUSL_DYNAMIC_LINKER64)
/* Determine whether the entire c99 runtime
is present in the runtime library. */
diff --git a/gcc/config/linux.opt b/gcc/config/linux.opt
--- a/gcc/config/linux.opt
+++ b/gcc/config/linux.opt
@@ -30,3 +30,7 @@ Use GNU C library
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 --git a/gcc/config/mips/linux.h b/gcc/config/mips/linux.h
--- a/gcc/config/mips/linux.h
+++ b/gcc/config/mips/linux.h
@@ -63,6 +63,8 @@ along with GCC; see the file COPYING3. If not see
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-mips.so.1"
+
/* Borrowed from sparc/linux.h */
#undef LINK_SPEC
#define LINK_SPEC \
diff --git a/gcc/ginclude/stddef.h b/gcc/ginclude/stddef.h
--- a/gcc/ginclude/stddef.h
+++ b/gcc/ginclude/stddef.h
@@ -184,6 +184,7 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
#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 @@ typedef __PTRDIFF_TYPE__ ptrdiff_t;
#define ___int_size_t_h
#define _GCC_SIZE_T
#define _SIZET_
+#define __DEFINED_size_t /* musl */
#if defined (__FreeBSD__) && (__FreeBSD__ >= 5)
/* __size_t is a typedef on FreeBSD 5!, must not trash it. */
#else
@@ -214,6 +216,7 @@ typedef __SIZE_TYPE__ size_t;
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 --git a/libgomp/config/posix/time.c b/libgomp/config/posix/time.c
--- a/libgomp/config/posix/time.c
+++ b/libgomp/config/posix/time.c
@@ -28,6 +28,8 @@
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 <unistd.h>
#if TIME_WITH_SYS_TIME
diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
--- a/libstdc++-v3/configure.host
+++ b/libstdc++-v3/configure.host
@@ -237,6 +237,13 @@ case "${host_os}" in
os_include_dir="os/bsd/freebsd"
;;
gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+ # check for musl by target
+ case "${host_os}" in
+ *-musl*)
+ os_include_dir="os/generic"
+ ;;
+ *)
+
if [ "$uclibc" = "yes" ]; then
os_include_dir="os/uclibc"
elif [ "$bionic" = "yes" ]; then
@@ -245,6 +252,9 @@ case "${host_os}" in
os_include_dir="os/gnu-linux"
fi
;;
+
+ esac
+ ;;
hpux*)
os_include_dir="os/hpux"
;;
diff --git a/gcc/config/mips/linux64.h b/gcc/config/mips/linux64.h
--- a/gcc/config/mips/linux64.h 2012-11-12 15:28:31.000000000 +0100
+++ b/gcc/config/mips/linux64.h 2012-11-29 15:11:14.006324944 +0100
@@ -40,9 +40,12 @@
#define GLIBC_DYNAMIC_LINKERN32 "/lib32/ld.so.1"
#define UCLIBC_DYNAMIC_LINKERN32 "/lib32/ld-uClibc.so.0"
#define BIONIC_DYNAMIC_LINKERN32 "/system/bin/linker32"
+#define MUSL_DYNAMIC_LINKERN32 "/lib/ld-musl-mips.so.1"
+#define MUSL_DYNAMIC_LINKER32 "/lib/ld-musl-mips.so.1"
+#define MUSL_DYNAMIC_LINKER64 "/lib/ld-musl-mips.so.1"
#define LINUX_DYNAMIC_LINKERN32 \
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKERN32, UCLIBC_DYNAMIC_LINKERN32, \
- BIONIC_DYNAMIC_LINKERN32)
+ BIONIC_DYNAMIC_LINKERN32, MUSL_DYNAMIC_LINKERN32)
#undef LINK_SPEC
#define LINK_SPEC "\
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