[MinGW-cvs] [git push mingw-org-wsl]Repository: mingw-org-wsl branch 5.0-active updated. c6d25f0ee9cf628134918f0d3a2bc82aeb09c458

[Keith M. <no...@so...>]

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- Log -----------------------------------------------------------------
https://sf.net/p/mingw/mingw-org-wsl/ci/c6d25f0ee9cf628134918f0d3a2bc82aeb09c458/

commit c6d25f0ee9cf628134918f0d3a2bc82aeb09c458
Author: Keith Marshall <kei...@us...>
Date:   Tue Mar 7 22:17:57 2017 +0000

    Avoid -shared-libgcc dependencies in optional DLLs.

diff --git a/mingwrt/ChangeLog b/mingwrt/ChangeLog
index ca0f260..e7dbe78 100644
--- a/mingwrt/ChangeLog
+++ b/mingwrt/ChangeLog
@@ -1,3 +1,11 @@
+2017-03-07  Keith Marshall  <kei...@us...>
+
+	Avoid -shared-libgcc dependencies in optional DLLs.
+
+	* Makefile.in (dllname): Qualify it, by addition of...
+	(LIBGCC_LINK_OPTION): ...this DLL name specific linking option macro.
+	(libmingwex.dll.a): Force it to use -static-libgcc for associated DLL.
+
 2017-02-27  Keith Marshall  <kei...@us...>
 
 	Support optional DLL builds from static libraries.
diff --git a/mingwrt/Makefile.in b/mingwrt/Makefile.in
index 1b379a1..c6ad956 100644
--- a/mingwrt/Makefile.in
+++ b/mingwrt/Makefile.in
@@ -719,13 +719,18 @@ DLLVERSION = "0:0:0"
 	$(CC) $(call a2dll,tmp$<,$(call dllname,$*)) -L. -Wl,--out-implib=$@
 	$(RM) tmp$<
 
-dllname = $1-$(dllsuffix).dll
+dllname = $1-$(dllsuffix).dll $(LIBGCC_LINK_OPTION)
 a2dll = -shared -o $2 -Wl,--whole-archive $1 -Wl,--no-whole-archive
 dllsuffix = `echo $(DLLVERSION) | awk -F: '{printf "%d",$$1-$$3}'`
 
 all-optional-dlls: all-mingwrt-optional-dlls
 all-mingwrt-optional-dlls: libmingwex.dll.a
 
+# In most optional DLL build cases, we should avoid creating any
+# unnecessary dependency on (known to be broken) -shared-libgcc
+#
+libmingwex.dll.a: LIBGCC_LINK_OPTION = -static-libgcc
+
 
 # Installation Rules
 # ------------------

-----------------------------------------------------------------------

Summary of changes:
 mingwrt/ChangeLog   | 8 ++++++++
 mingwrt/Makefile.in | 7 ++++++-
 2 files changed, 14 insertions(+), 1 deletion(-)


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