New package: cross-aarch64-linux-musl-0.17

2015-03-22 18:44:36 +01:00 · 2015-03-22 18:44:36 +01:00 · eb0e27ac0d
parent 34973c483c
commit eb0e27ac0d
3 changed files with 957 additions and 0 deletions
--- a/srcpkgs/cross-aarch64-linux-musl-libc
+++ b/srcpkgs/cross-aarch64-linux-musl-libc
@ -0,0 +1 @@
+cross-aarch64-linux-musl
--- a/srcpkgs/cross-aarch64-linux-musl/files/gcc-4.9.2-musl.diff
+++ b/srcpkgs/cross-aarch64-linux-musl/files/gcc-4.9.2-musl.diff
@ -0,0 +1,719 @@
+# HG changeset patch
+# Parent 1f830bec5a3f04b2718ce1395743d8e35c26341c
+Use the generic implementation of libstdc++ primitives when we're on musl, not the glibc one.
+
+diff -r 1f830bec5a3f libstdc++-v3/configure.host
+--- a/libstdc++-v3/configure.host	Thu Jan 29 14:04:56 2015 -0500
+++ b/libstdc++-v3/configure.host	Thu Jan 29 14:06:11 2015 -0500
+@@ -264,6 +264,13 @@
+     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 [ "$bionic" = "yes" ]; then
+@@ -272,6 +279,9 @@
+       os_include_dir="os/gnu-linux"
+     fi
+     ;;
+
+    esac
+    ;;
+   hpux*)
+     os_include_dir="os/hpux"
+     ;;
+# HG changeset patch
+# Parent fc7bb9343dcd071463a63dfc1b356d579eb0872f
+Adding -mmusl as a musl libc specifier, and the necessary hacks for it to know how to find musl's dynamic linker.
+
+diff -r fc7bb9343dcd gcc/config.gcc
+--- a/gcc/config.gcc	Thu Jan 29 14:06:11 2015 -0500
+++ b/gcc/config.gcc	Thu Jan 29 14:06:13 2015 -0500
+@@ -594,7 +594,7 @@
+ esac
+ 
+ # Common C libraries.
+-tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3"
+tm_defines="$tm_defines LIBC_GLIBC=1 LIBC_UCLIBC=2 LIBC_BIONIC=3 LIBC_MUSL=4"
+ 
+ # 32-bit x86 processors supported by --with-arch=.  Each processor
+ # MUST be separated by exactly one space.
+@@ -719,6 +719,9 @@
+     *-*-*uclibc*)
+       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_UCLIBC"
+       ;;
+    *-*-*musl*)
+      tm_defines="$tm_defines DEFAULT_LIBC=LIBC_MUSL"
+      ;;
+     *)
+       tm_defines="$tm_defines DEFAULT_LIBC=LIBC_GLIBC"
+       ;;
+diff -r fc7bb9343dcd gcc/config/linux.h
+--- a/gcc/config/linux.h	Thu Jan 29 14:06:11 2015 -0500
+++ b/gcc/config/linux.h	Thu Jan 29 14:06:13 2015 -0500
+@@ -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 -r fc7bb9343dcd gcc/config/linux.opt
+--- a/gcc/config/linux.opt	Thu Jan 29 14:06:11 2015 -0500
+++ b/gcc/config/linux.opt	Thu Jan 29 14:06:13 2015 -0500
+@@ -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 -r fc7bb9343dcd gcc/ginclude/stddef.h
+--- a/gcc/ginclude/stddef.h	Thu Jan 29 14:06:11 2015 -0500
+++ b/gcc/ginclude/stddef.h	Thu Jan 29 14:06:13 2015 -0500
+@@ -181,6 +181,7 @@
+ #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
+@@ -197,6 +198,7 @@
+ #define ___int_size_t_h
+ #define _GCC_SIZE_T
+ #define _SIZET_
+#define __DEFINED_size_t /* musl */
+ #if (defined (__FreeBSD__) && (__FreeBSD__ >= 5)) \
+   || defined(__FreeBSD_kernel__)
+ /* __size_t is a typedef on FreeBSD 5, must not trash it. */
+@@ -214,6 +216,7 @@
+ 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 */
+# HG changeset patch
+# Parent ad6952ac547606025a6fb8496584cbfe1b73a8b7
+A fix for libgomp to correctly request a POSIX version for time support.
+
+diff -r ad6952ac5476 libgomp/config/posix/time.c
+--- a/libgomp/config/posix/time.c	Thu Jan 29 14:06:13 2015 -0500
+++ b/libgomp/config/posix/time.c	Thu Jan 29 14:06:16 2015 -0500
+@@ -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 -r ffa879f29d52 libgcc/unwind-dw2-fde-dip.c
+--- a/libgcc/unwind-dw2-fde-dip.c	Thu Jan 29 14:06:15 2015 -0500
+++ b/libgcc/unwind-dw2-fde-dip.c	Thu Jan 29 14:06:18 2015 -0500
+@@ -46,33 +46,13 @@
+ #include "unwind-compat.h"
+ #include "gthr.h"
+ 
+-#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)))
+#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) \
+-    && defined(__BIONIC__)
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__FreeBSD__) && __FreeBSD__ >= 7
+-# define ElfW __ElfN
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(__OpenBSD__)
+-# define ElfW(type) Elf_##type
+-# define USE_PT_GNU_EH_FRAME
+-#endif
+-
+-#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
+-    && defined(TARGET_DL_ITERATE_PHDR) \
+-    && defined(__sun__) && defined(__svr4__)
+-# define USE_PT_GNU_EH_FRAME
+# ifdef __OpenBSD__
+#  define ElfW(type) Elf_##type
+# elif defined(__FreeBSD__) && __FreeBSD__ >= 7
+#  define ElfW __ElfN
+# endif
+ #endif
+ 
+ #if defined(USE_PT_GNU_EH_FRAME)
+diff -r b35df09b819f gcc/configure
+--- a/gcc/configure	Thu Jan 29 14:06:18 2015 -0500
+++ b/gcc/configure	Thu Jan 29 14:06:20 2015 -0500
+@@ -27356,6 +27356,9 @@
+ else
+   gcc_cv_libc_provides_ssp=no
+     case "$target" in
+       *-*-musl*)
+         # All versions of musl provide stack protector
+	 gcc_cv_libc_provides_ssp=yes;;
+        *-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
+       # glibc 2.4 and later provides __stack_chk_fail and
+       # either __stack_chk_guard, or TLS access to stack guard canary.
+@@ -27388,6 +27391,7 @@
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) and for now
+ 	 # simply assert that glibc does provide this, which is true for all
+ 	 # realistically usable GNU/Hurd configurations.
+	 # All supported versions of musl provide it as well
+ 	 gcc_cv_libc_provides_ssp=yes;;
+        *-*-darwin* | *-*-freebsd*)
+ 	 ac_fn_c_check_func "$LINENO" "__stack_chk_fail" "ac_cv_func___stack_chk_fail"
+@@ -27477,6 +27481,9 @@
+       gcc_cv_target_dl_iterate_phdr=no
+     fi
+     ;;
+  *-linux-musl*)
+    gcc_cv_target_dl_iterate_phdr=yes
+    ;;
+ esac
+ 
+ if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
+diff -r b35df09b819f gcc/configure.ac
+--- a/gcc/configure.ac	Thu Jan 29 14:06:18 2015 -0500
+++ b/gcc/configure.ac	Thu Jan 29 14:06:20 2015 -0500
+@@ -5039,6 +5039,9 @@
+       gcc_cv_libc_provides_ssp,
+       [gcc_cv_libc_provides_ssp=no
+     case "$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.
+@@ -5065,6 +5068,7 @@
+ 	 # <http://gcc.gnu.org/ml/gcc/2008-10/msg00130.html>) 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],
+@@ -5131,6 +5135,9 @@
+       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
+# HG changeset patch
+# Parent b6a339cae9f0607a291a2fe8de80caecd48f1ebd
+Get rid of ever-broken fixincludes on musl.
+
+diff -r b6a339cae9f0 fixincludes/mkfixinc.sh
+--- a/fixincludes/mkfixinc.sh	Thu Jan 29 14:06:20 2015 -0500
+++ b/fixincludes/mkfixinc.sh	Thu Jan 29 14:06:22 2015 -0500
+@@ -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}
+# HG changeset patch
+# Parent 6c0bb7083dd2eba825f2693dc30d0e39359c1a66
+Support for i386-linux-musl and x86_64-linux-musl.
+
+diff -r 6c0bb7083dd2 gcc/config/i386/linux.h
+--- a/gcc/config/i386/linux.h	Thu Jan 29 14:06:22 2015 -0500
+++ b/gcc/config/i386/linux.h	Thu Jan 29 14:06:25 2015 -0500
+@@ -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 -r 6c0bb7083dd2 gcc/config/i386/linux64.h
+--- a/gcc/config/i386/linux64.h	Thu Jan 29 14:06:22 2015 -0500
+++ b/gcc/config/i386/linux64.h	Thu Jan 29 14:06:25 2015 -0500
+@@ -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 -r 6c0bb7083dd2 libitm/config/linux/x86/tls.h
+--- a/libitm/config/linux/x86/tls.h	Thu Jan 29 14:06:22 2015 -0500
+++ b/libitm/config/linux/x86/tls.h	Thu Jan 29 14:06:25 2015 -0500
+@@ -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
+# HG changeset patch
+# Parent 4802c181abe099c2f903184ace267c6a527ca91c
+Support for arm-linux-musl.
+
+diff -r 4802c181abe0 gcc/config/arm/linux-eabi.h
+--- a/gcc/config/arm/linux-eabi.h	Thu Jan 29 14:06:25 2015 -0500
+++ b/gcc/config/arm/linux-eabi.h	Thu Jan 29 14:06:27 2015 -0500
+@@ -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 -r 4802c181abe0 libitm/config/arm/hwcap.cc
+--- a/libitm/config/arm/hwcap.cc	Thu Jan 29 14:06:25 2015 -0500
+++ b/libitm/config/arm/hwcap.cc	Thu Jan 29 14:06:27 2015 -0500
+@@ -40,7 +40,11 @@
+ 
+ #ifdef __linux__
+ #include <unistd.h>
+#ifdef __GLIBC__
+ #include <sys/fcntl.h>
+#else
+#include <fcntl.h>
+#endif
+ #include <elf.h>
+ 
+ static void __attribute__((constructor))
+# HG changeset patch
+# Parent f34ce414667f8513979b8a0507f3d6b934f1ebeb
+Support for mips-linux-musl.
+
+diff -r f34ce414667f gcc/config/mips/linux.h
+--- a/gcc/config/mips/linux.h	Thu Jan 29 14:06:27 2015 -0500
+++ b/gcc/config/mips/linux.h	Thu Jan 29 14:06:29 2015 -0500
+@@ -23,3 +23,10 @@
+ #undef UCLIBC_DYNAMIC_LINKER
+ #define UCLIBC_DYNAMIC_LINKER \
+   "%{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 ".so.1"
+# HG changeset patch
+# Parent d4bad9a6572b0e8eacc08d2b1c40d03a6608bee5
+Support for powerpc-linux-musl.
+
+diff -r d4bad9a6572b gcc/config.gcc
+--- a/gcc/config.gcc	Thu Jan 29 14:06:29 2015 -0500
+++ b/gcc/config.gcc	Thu Jan 29 14:06:32 2015 -0500
+@@ -2334,6 +2334,10 @@
+ 	    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 -r d4bad9a6572b gcc/config/rs6000/linux64.h
+--- a/gcc/config/rs6000/linux64.h	Thu Jan 29 14:06:29 2015 -0500
+++ b/gcc/config/rs6000/linux64.h	Thu Jan 29 14:06:32 2015 -0500
+@@ -375,17 +375,21 @@
+ #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 -r d4bad9a6572b gcc/config/rs6000/secureplt.h
+--- a/gcc/config/rs6000/secureplt.h	Thu Jan 29 14:06:29 2015 -0500
+++ b/gcc/config/rs6000/secureplt.h	Thu Jan 29 14:06:32 2015 -0500
+@@ -18,3 +18,4 @@
+ <http://www.gnu.org/licenses/>.  */
+ 
+ #define CC1_SECURE_PLT_DEFAULT_SPEC "-msecure-plt"
+#define LINK_SECURE_PLT_DEFAULT_SPEC "--secure-plt"
+diff -r d4bad9a6572b gcc/config/rs6000/sysv4.h
+--- a/gcc/config/rs6000/sysv4.h	Thu Jan 29 14:06:29 2015 -0500
+++ b/gcc/config/rs6000/sysv4.h	Thu Jan 29 14:06:32 2015 -0500
+@@ -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.  */
+ #define	CC1_SPEC "%{G*} %(cc1_cpu)" \
+@@ -585,7 +588,8 @@
+ 
+ /* Override the default target of the linker.  */
+ #define	LINK_TARGET_SPEC \
+-  ENDIAN_SELECT("", " --oformat elf32-powerpcle", "")
+  ENDIAN_SELECT("", " --oformat elf32-powerpcle", "") \
+  "%{!mbss-plt: %{!msecure-plt: %(link_secure_plt_default)}}"
+ 
+ /* Any specific OS flags.  */
+ #define LINK_OS_SPEC "\
+@@ -763,15 +767,18 @@
+ 
+ #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} \
+@@ -894,6 +901,7 @@
+   { "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 -r 47a8492e5aa7 gcc/config/aarch64/aarch64-linux.h
+--- a/gcc/config/aarch64/aarch64-linux.h	Thu Jan 29 14:06:31 2015 -0500
+++ b/gcc/config/aarch64/aarch64-linux.h	Thu Jan 29 14:06:34 2015 -0500
+@@ -23,6 +23,8 @@
+ 
+ #define GLIBC_DYNAMIC_LINKER "/lib/ld-linux-aarch64%{mbig-endian:_be}.so.1"
+ 
+#define MUSL_DYNAMIC_LINKER "/lib/ld-musl-aarch64.so.1"
+
+ #define CPP_SPEC "%{pthread:-D_REENTRANT}"
+ 
+ #define LINUX_TARGET_LINK_SPEC  "%{h*}		\
+# HG changeset patch
+# Parent 9f4208089e8987637569ce7b294256c536396299
+Microblaze support (again).
+
+diff -r 9f4208089e89 gcc/config/microblaze/linux.h
+--- a/gcc/config/microblaze/linux.h	Thu Jan 29 14:06:34 2015 -0500
+++ b/gcc/config/microblaze/linux.h	Thu Jan 29 14:06:36 2015 -0500
+@@ -25,7 +25,22 @@
+ #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 }
+From 478ee0c03a08e2ef9371fd88d516738936943e78 Mon Sep 17 00:00:00 2001
+From: David Holsgrove <david.holsgrove@xilinx.com>
+Date: Fri, 28 Sep 2012 16:32:03 +1000
+Subject: [PATCH 06/11] [Patch, microblaze]: Add SIZE_TYPE and PTRDIFF_TYPE to
+ microblaze.h
+
+Fixes warnings like;
+
+warning: format '%zX' expects argument of type 'size_t',
+but argument 3 has type 'unsigned int' [-Wformat]
+
+Changelog
+
+2013-03-18  David Holsgrove <david.holsgrove@xilinx.com>
+
+ * gcc/config/microblaze/microblaze.h: Define SIZE_TYPE
+   and PTRDIFF_TYPE.
+
+Signed-off-by: David Holsgrove <david.holsgrove@xilinx.com>
+---
+ gcc/config/microblaze/microblaze.h |    6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff -r 0dbe9a3f7670 gcc/config/microblaze/microblaze.h
+--- a/gcc/config/microblaze/microblaze.h	Thu Jan 29 14:06:36 2015 -0500
+++ b/gcc/config/microblaze/microblaze.h	Thu Jan 29 14:06:38 2015 -0500
+@@ -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 -r 94ebb0799454 gcc/config/sh/linux.h
+--- a/gcc/config/sh/linux.h	Fri Sep 28 16:32:03 2012 +1000
+++ b/gcc/config/sh/linux.h	Thu Jan 29 14:06:41 2015 -0500
+@@ -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"
+Do not use weak references on any targets for gthread. Necessary on musl, safe elsewhere.
+
+diff -r d2b373a6ad39 libgcc/gthr.h
+--- a/libgcc/gthr.h	Thu Jan 29 18:59:33 2015 -0500
+++ b/libgcc/gthr.h	Thu Jan 29 19:00:03 2015 -0500
+@@ -136,10 +136,8 @@
+ /* The pe-coff weak support isn't fully compatible to ELF's weak.
+    For static libraries it might would work, but as we need to deal
+    with shared versions too, we disable it for mingw-targets.  */
+-#ifdef __MINGW32__
+ #undef GTHREAD_USE_WEAK
+ #define GTHREAD_USE_WEAK 0
+-#endif
+ 
+ #ifndef GTHREAD_USE_WEAK
+ #define GTHREAD_USE_WEAK 1
--- a/srcpkgs/cross-aarch64-linux-musl/template
+++ b/srcpkgs/cross-aarch64-linux-musl/template
@ -0,0 +1,237 @@
+# Template build file for 'cross-aarch64-linux-musl'
+#
+_binutils_version=2.25
+_gcc_version=4.9.2
+_musl_version=1.1.8
+_linux_version=3.18.5
+
+_triplet=aarch64-linux-musl
+_archflags="-march=armv8-a"
+_sysroot="/usr/${_triplet}"
+
+pkgname=cross-${_triplet}
+version=0.17
+revision=1
+short_desc="Cross toolchain for ${_triplet} LE Hard Float target (musl)"
+maintainer="Juan RP <xtraeme@gmail.com>"
+homepage="http://www.voidlinux.eu"
+license="Public Domain"
+distfiles="
+ http://ftp.gnu.org/pub/gnu/binutils/binutils-${_binutils_version}.tar.bz2
+ http://ftp.gnu.org/pub/gnu/gcc/gcc-${_gcc_version}/gcc-${_gcc_version}.tar.bz2
+ http://www.kernel.org/pub/linux/kernel/v3.x/linux-${_linux_version}.tar.xz
+ http://www.musl-libc.org/releases/musl-${_musl_version}.tar.gz"
+checksum="22defc65cfa3ef2a3395faaea75d6331c6e62ea5dfacfed3e2ec17b08c882923
+ 2020c98295856aa13fda0f2f3a4794490757fc24bcca918d52cc8b4917b972dd
+ e4442436e59c74169e98d38d2e2a434c7b73f8eda0aa8f20e454eaf52270fc90
+ fa928506415b9c555977daaf874c190eaf7fbbd16028cc5c5f33a00a83227813"
+
+lib32disabled=yes
+nocross=yes
+nodebug=yes
+create_wrksrc=yes
+
+hostmakedepends="perl flex"
+makedepends="zlib-devel gmp-devel mpfr-devel libmpc-devel"
+nostrip_files="libgcc.a libgcov.a libgcc_eh.a"
+depends="${pkgname}-libc-${version}_${revision}"
+
+_apply_patch() {
+	local pname="$(basename $1)"
+
+	if [ ! -f ".${pname}_done" ]; then
+		patch -Np1 -i ${1}
+		touch .${pname}_done
+	fi
+}
+
+_binutils_build() {
+	[ -f ${wrksrc}/.binutils_build_done ] && return 0
+
+	cd ${wrksrc}
+	msg_normal "Building cross binutils bootstrap\n"
+
+	[ ! -d binutils-build ] && mkdir binutils-build
+	cd binutils-build
+
+	../binutils-${_binutils_version}/configure \
+		--prefix=/usr --target=${_triplet} --with-sysroot=${_sysroot} \
+		--disable-nls --disable-multilib --disable-werror \
+		--disable-shared --enable-gold
+
+	make configure-host && make ${makejobs}
+	make install
+
+	touch ${wrksrc}/.binutils_build_done
+}
+
+_gcc_bootstrap() {
+	[ -f ${wrksrc}/.gcc_bootstrap_done ] && return 0
+
+	cd ${wrksrc}/gcc-${_gcc_version}
+	_apply_patch ${FILESDIR}/gcc-${_gcc_version}-musl.diff
+
+	msg_normal "Building cross gcc bootstrap\n"
+
+	[ ! -d ../gcc-bootstrap ] && mkdir ../gcc-bootstrap
+	cd ../gcc-bootstrap
+
+	CFLAGS="-O0 -g0" CXXFLAGS="-O0 -g0" \
+		../gcc-${_gcc_version}/configure --prefix=/usr \
+		--target=${_triplet} --with-sysroot=${_sysroot} --with-newlib \
+		--enable-languages=c --with-newlib --disable-libssp --disable-nls \
+		--disable-libquadmath --disable-threads --disable-decimal-float \
+		--disable-shared --disable-libmudflap --disable-libgomp \
+		--disable-libatomic
+
+	make ${makejobs}
+	make install
+
+	touch ${wrksrc}/.gcc_bootstrap_done
+}
+
+_linux_headers() {
+	[ -f ${wrksrc}/.linux_build_done ] && return 0
+
+	cd ${wrksrc}
+	msg_normal "Building Linux API headers for ARM\n"
+
+	cd linux-${_linux_version}
+
+	make ARCH=arm64 headers_check
+	make ARCH=arm64 INSTALL_HDR_PATH=${_sysroot}/usr headers_install
+
+	touch ${wrksrc}/.linux_build_done
+}
+
+_musl_build() {
+	[ -f ${wrksrc}/.musl_build_done ] && return 0
+
+	cd ${wrksrc}/musl-${_musl_version}
+	msg_normal "Building cross musl libc\n"
+
+	CC="${_triplet}-gcc" CFLAGS="-Os -pipe ${_archflags}" \
+		./configure --prefix=/usr \
+
+	make ${makejobs}
+	make DESTDIR=${_sysroot} install
+
+	touch ${wrksrc}/.musl_build_done
+}
+
+_gcc_build() {
+	[ -f ${wrksrc}/.gcc_build_done ] && return 0
+
+	cd ${wrksrc}
+	msg_normal "Building cross gcc final\n"
+
+	[ ! -d gcc-build ] && mkdir gcc-build
+	cd gcc-build
+
+	../gcc-${_gcc_version}/configure \
+		--target=${_triplet} --with-sysroot=${_sysroot} --prefix=/usr \
+		--enable-languages=c,c++,lto --enable-lto --disable-libsanitizer \
+		--disable-multilib --disable-nls --disable-libquadmath \
+		--disable-libmudflap --enable-shared \
+                --with-gnu-as --with-gnu-ld --disable-multilib \
+                --disable-nls --disable-sjlj-exceptions \
+                --enable-threads=posix --enable-long-longx \
+                --enable-shared --enable-linker-build-id \
+                --enable-gnu-unique-object --enable-lto \
+                --disable-libquadmath --disable-libatomic \
+                --disable-libssp --disable-libmudflap \
+                --disable-libsanitizer --disable-libcilkrts \
+                --disable-libitm --disable-libvtv --disable-libstdcxx-pch \
+                --enable-libstdcxx-time --with-linker-hash-style=gnu
+
+	make ${makejobs}
+
+	touch ${wrksrc}/.gcc_build_done
+}
+
+do_build() {
+	# Ensure we use sane environment
+	unset CC CXX CPP LD AS AR RANLIB OBJDUMP READELF NM
+	unset CFLAGS CXXFLAGS CPPFLAGS LDFLAGS
+	export CFLAGS="-Os -pipe" CXXFLAGS="-Os -pipe"
+
+	for f in include lib libexec bin sbin; do
+		if [ ! -d ${_sysroot}/usr/${f} ]; then
+			mkdir -p ${_sysroot}/usr/${f}
+		fi
+		if [ ! -h ${_sysroot}/${f} ]; then
+			ln -sfr ${_sysroot}/usr/${f} ${_sysroot}/${f}
+		fi
+	done
+
+	_binutils_build
+	_gcc_bootstrap
+	_linux_headers
+	_musl_build
+	_gcc_build
+}
+
+do_install() {
+	for f in include lib libexec bin sbin; do
+		if [ ! -d ${DESTDIR}/${_sysroot}/usr/${f} ]; then
+			mkdir -p ${DESTDIR}/${_sysroot}/usr/${f}
+		fi
+		if [ ! -h ${DESTDIR}/${_sysroot}/${f} ]; then
+			ln -sfr ${DESTDIR}/${_sysroot}/usr/${f} \
+				${DESTDIR}/${_sysroot}/${f}
+		fi
+	done
+
+	# install linux API headers
+	cd ${wrksrc}/linux-${_linux_version}
+	make ARCH=arm64 INSTALL_HDR_PATH=${DESTDIR}/${_sysroot}/usr headers_install
+	rm -f $(find ${DESTDIR}/${_sysroot}/usr/include -name .install -or -name ..install.cmd)
+	rm -rf ${DESTDIR}/${_sysroot}/usr/include/drm
+
+	# install cross binutils
+	cd ${wrksrc}/binutils-build
+	make DESTDIR=${DESTDIR} install
+
+	# install cross gcc
+	cd ${wrksrc}/gcc-build
+	make DESTDIR=${DESTDIR} install
+
+	# install musl libc for target
+	cd ${wrksrc}/musl-${_musl_version}
+	make DESTDIR=${DESTDIR}/${_sysroot} install
+
+	# Remove useless headers.
+	rm -rf ${DESTDIR}/usr/lib/gcc/${_triplet}/*/include-fixed/ \
+		${DESTDIR}/usr/lib/gcc/${_triplet}/*/include/stddef.h
+
+	# Make ld-musl-armhf.so.1 symlink relative.
+	#ln -sf libc.so ${DESTDIR}/${_sysroot}/usr/lib/ld-musl-armhf.so.1
+
+	# Remove unnecessary stuff
+	rm -f ${DESTDIR}/usr/lib*/libiberty.a
+	rm -rf ${DESTDIR}/usr/share
+	rm -rf ${DESTDIR}/${_sysroot}/{etc,var}
+	rm -rf ${DESTDIR}/${_sysroot}/usr/{sbin,share,libexec}
+	rm -f ${DESTDIR}/${_sysroot}/libexec
+	rm -f ${DESTDIR}/${_sysroot}/lib/*.py
+}
+
+do_clean() {
+	# Remove temporary stuff from masterdir
+	rm -rf ${_sysroot}
+	rm -f /usr/bin/${_triplet}*
+	rm -rf /usr/lib/gcc/${_triplet}
+	rm -rf /usr/libexec/gcc/${_triplet}
+}
+
+cross-aarch64-linux-musl-libc_package() {
+	short_desc+=" - libc files"
+	noarch=yes
+	noverifydeps=yes
+	pkg_install() {
+		vmove usr/${_triplet}
+		mkdir -p ${DESTDIR}/usr/${_triplet}/usr/
+		mv ${PKGDESTDIR}/usr/${_triplet}/usr/bin ${DESTDIR}/usr/${_triplet}/usr
+
+	}
+}