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73 lines
2.4 KiB
Diff
73 lines
2.4 KiB
Diff
From: ktkachov <ktkachov@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Wed, 22 Apr 2015 14:24:11 +0000 (+0000)
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Subject: libstdc++, libgfortran gthr workaround for musl
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X-Git-Url: https://gcc.gnu.org/git/?p=gcc.git;a=commitdiff_plain;h=1e5f711c11cb80ce609db9e9c1d8b2da0f7b5b61
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libstdc++, libgfortran gthr workaround for musl
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On behalf of szabolcs.nagy@arm.com
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[libstdc++-v3/]
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2015-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
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* config/os/generic/os_defines.h (_GLIBCXX_GTHREAD_USE_WEAK): Define.
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* configure.host (os_include_dir): Set to "os/generic" for linux-musl*.
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[libgfortran/]
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2015-04-22 Szabolcs Nagy <szabolcs.nagy@arm.com>
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* acinclude.m4 (GTHREAD_USE_WEAK): Define as 0 for *-*-musl*.
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* configure: Regenerate.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@222329 138bc75d-0d04-0410-961f-82ee72b054a4
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---
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--- a/libgfortran/acinclude.m4
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+++ b/libgfortran/acinclude.m4
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@@ -100,7 +100,7 @@ void foo (void);
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[Define to 1 if the target supports #pragma weak])
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fi
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case "$host" in
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- *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
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+ *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-musl* )
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AC_DEFINE(GTHREAD_USE_WEAK, 0,
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[Define to 0 if the target shouldn't use #pragma weak])
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;;
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--- a/libgfortran/configure
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+++ b/libgfortran/configure
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@@ -26456,7 +26456,7 @@ $as_echo "#define SUPPORTS_WEAK 1" >>con
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fi
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case "$host" in
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- *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* )
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+ *-*-darwin* | *-*-hpux* | *-*-cygwin* | *-*-mingw* | *-*-musl* )
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$as_echo "#define GTHREAD_USE_WEAK 0" >>confdefs.h
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--- a/libstdc++-v3/config/os/generic/os_defines.h
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+++ b/libstdc++-v3/config/os/generic/os_defines.h
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@@ -33,4 +33,9 @@
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// System-specific #define, typedefs, corrections, etc, go here. This
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// file will come before all others.
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+// Disable the weak reference logic in gthr.h for os/generic because it
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+// is broken on every platform unless there is implementation specific
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+// workaround in gthr-posix.h and at link-time for static linking.
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+#define _GLIBCXX_GTHREAD_USE_WEAK 0
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+
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#endif
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--- a/libstdc++-v3/configure.host
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+++ b/libstdc++-v3/configure.host
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@@ -273,6 +273,9 @@ case "${host_os}" in
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freebsd*)
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os_include_dir="os/bsd/freebsd"
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;;
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+ linux-musl*)
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+ os_include_dir="os/generic"
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+ ;;
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gnu* | linux* | kfreebsd*-gnu | knetbsd*-gnu)
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if [ "$uclibc" = "yes" ]; then
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os_include_dir="os/uclibc"
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