[PATCH] Cygwin/MinGW: Do not version lto plugins

[JonY <10walls@gmail.com>]

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Hello,

The lto plugis are tied to the built GCC anyway, so there isn't much
point to versioning them.

* gcc/config.host: Remove version string
* lto-plugin/Makefile.am: Use libtool -avoid-version
* lto-plugin/Makefile.in: Regenerate

This patch has been in use with Cygwin gcc for a long time and should be
pushed upstream. Patch OK?


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From 6bf6b87887a8a5eb53ad409cd4aa32cb1ac50786 Mon Sep 17 00:00:00 2001
From: Jonathan Yong <10walls@gmail.com>
Date: Sat, 28 Jun 2014 09:35:02 +0800
Subject: [PATCH 1/1] Cygwin/MinGW: Do not version lto plugins

---
 gcc/config.host        | 6 +++---
 lto-plugin/Makefile.am | 2 +-
 lto-plugin/Makefile.in | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/gcc/config.host b/gcc/config.host
index 84f0433e2ad..373d5efd8da 100644
--- a/gcc/config.host
+++ b/gcc/config.host
@@ -232,7 +232,7 @@ case ${host} in
     out_host_hook_obj=host-cygwin.o
     host_xmake_file="${host_xmake_file} i386/x-cygwin"
     host_exeext=.exe
-    host_lto_plugin_soname=cyglto_plugin-0.dll
+    host_lto_plugin_soname=cyglto_plugin.dll
     ;;
   i[34567]86-*-mingw32*)
     host_xm_file=i386/xm-mingw32.h
@@ -240,7 +240,7 @@ case ${host} in
     host_exeext=.exe
     out_host_hook_obj=host-mingw32.o
     host_extra_gcc_objs="${host_extra_gcc_objs} driver-mingw32.o"
-    host_lto_plugin_soname=liblto_plugin-0.dll
+    host_lto_plugin_soname=liblto_plugin.dll
     ;;
   x86_64-*-mingw*)
     use_long_long_for_widest_fast_int=yes
@@ -249,7 +249,7 @@ case ${host} in
     host_exeext=.exe
     out_host_hook_obj=host-mingw32.o
     host_extra_gcc_objs="${host_extra_gcc_objs} driver-mingw32.o"
-    host_lto_plugin_soname=liblto_plugin-0.dll
+    host_lto_plugin_soname=liblto_plugin.dll
     ;;
   i[34567]86-*-darwin* | x86_64-*-darwin*)
     out_host_hook_obj="${out_host_hook_obj} host-i386-darwin.o"
diff --git a/lto-plugin/Makefile.am b/lto-plugin/Makefile.am
index ba5882df7a7..204b25f45ef 100644
--- a/lto-plugin/Makefile.am
+++ b/lto-plugin/Makefile.am
@@ -21,7 +21,7 @@ in_gcc_libs = $(foreach lib, $(libexecsub_LTLIBRARIES), $(gcc_build_dir)/$(lib))
 liblto_plugin_la_SOURCES = lto-plugin.c
 # Note that we intentionally override the bindir supplied by ACX_LT_HOST_FLAGS.
 liblto_plugin_la_LDFLAGS = $(AM_LDFLAGS) \
-	$(lt_host_flags) -module -bindir $(libexecsubdir)
+	$(lt_host_flags) -module -avoid-version -bindir $(libexecsubdir)
 # Can be simplified when libiberty becomes a normal convenience library.
 libiberty = $(with_libiberty)/libiberty.a
 libiberty_noasan = $(with_libiberty)/noasan/libiberty.a
diff --git a/lto-plugin/Makefile.in b/lto-plugin/Makefile.in
index 7da7cd26dbf..834699b439e 100644
--- a/lto-plugin/Makefile.in
+++ b/lto-plugin/Makefile.in
@@ -350,7 +350,7 @@ libexecsub_LTLIBRARIES = liblto_plugin.la
 in_gcc_libs = $(foreach lib, $(libexecsub_LTLIBRARIES), $(gcc_build_dir)/$(lib))
 liblto_plugin_la_SOURCES = lto-plugin.c
 # Note that we intentionally override the bindir supplied by ACX_LT_HOST_FLAGS.
-liblto_plugin_la_LDFLAGS = $(AM_LDFLAGS) $(lt_host_flags) -module \
+liblto_plugin_la_LDFLAGS = $(AM_LDFLAGS) $(lt_host_flags) -module -avoid-version \
 	-bindir $(libexecsubdir) $(if $(wildcard \
 	$(libiberty_noasan)),, $(if $(wildcard \
 	$(libiberty_pic)),,-Wc,$(libiberty)))
-- 
2.11.4.GIT


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