1 files changed, 78 insertions, 0 deletions

diff --git a/meta/recipes-devtools/gcc/gcc-5.3/0049-Disable-the-weak-reference-logic-in-gthr.h-for-os-ge.patch b/meta/recipes-devtools/gcc/gcc-5.3/0049-Disable-the-weak-reference-logic-in-gthr.h-for-os-ge.patch
new file mode 100644
index 0000000000..0ea5143e0d
--- /dev/null
+++ b/meta/recipes-devtools/gcc/gcc-5.3/0049-Disable-the-weak-reference-logic-in-gthr.h-for-os-ge.patch
@@ -0,0 +1,78 @@
+From 553d8e3b9073ff3e0a9d2fac9b1823fb17ad247c Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Tue, 2 Feb 2016 21:00:18 -0800
+Subject: [PATCH 49/51] Disable the weak reference logic in gthr.h for
+ os/generic
+
+It does not work unless work arounds are there in gthr-posix.h
+
+origin of patch
+http://port70.net/~nsz/musl/gcc-5.3.0/0004-gthr.patch
+
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+Upstream-Status: Pending
+
+ libgfortran/acinclude.m4                    | 2 +-
+ libgfortran/configure                       | 2 +-
+ libstdc++-v3/config/os/generic/os_defines.h | 5 +++++
+ libstdc++-v3/configure.host                 | 3 +++
+ 4 files changed, 10 insertions(+), 2 deletions(-)
+
+diff --git a/libgfortran/acinclude.m4 b/libgfortran/acinclude.m4
+index ba890f9..30b8b1a6 100644
+--- a/libgfortran/acinclude.m4
++++ b/libgfortran/acinclude.m4
+@@ -100,7 +100,7 @@ void foo (void);
+              [Define to 1 if the target supports #pragma weak])
+   fi
+   case "$host" in
+-    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
++    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-musl* )
+       AC_DEFINE(GTHREAD_USE_WEAK, 0,
+                [Define to 0 if the target shouldn't use #pragma weak])
+       ;;
+diff --git a/libgfortran/configure b/libgfortran/configure
+index 5d47e65..cdf9695 100755
+--- a/libgfortran/configure
++++ b/libgfortran/configure
+@@ -26456,7 +26456,7 @@ $as_echo "#define SUPPORTS_WEAK 1" >>confdefs.h
+ 
+   fi
+   case "$host" in
+-    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
++    *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-musl* )
+ 
+ $as_echo "#define GTHREAD_USE_WEAK 0" >>confdefs.h
+ 
+diff --git a/libstdc++-v3/config/os/generic/os_defines.h b/libstdc++-v3/config/os/generic/os_defines.h
+index 45bf52a..103ec0e 100644
+--- a/libstdc++-v3/config/os/generic/os_defines.h
++++ b/libstdc++-v3/config/os/generic/os_defines.h
+@@ -33,4 +33,9 @@
+ // System-specific #define, typedefs, corrections, etc, go here.  This
+ // file will come before all others.
+ 
++// Disable the weak reference logic in gthr.h for os/generic because it
++// is broken on every platform unless there is implementation specific
++// workaround in gthr-posix.h and at link-time for static linking.
++#define _GLIBCXX_GTHREAD_USE_WEAK 0
++
+ #endif
+diff --git a/libstdc++-v3/configure.host b/libstdc++-v3/configure.host
+index 1756444..2a87bb8 100644
+--- a/libstdc++-v3/configure.host
++++ b/libstdc++-v3/configure.host
+@@ -273,6 +273,9 @@ case "${host_os}" in
+   freebsd*)
+     os_include_dir="os/bsd/freebsd"
+     ;;
++  linux-musl*)
++    os_include_dir="os/generic"
++    ;;
+   gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
+     # check for musl by target
+     case "${host_os}" in
+-- 
+2.7.0
+