Re: [Mingw-users] Linking against MSVCR71.DLL

[Brian Dessent <brian@xxxxxxxxxxx>]

Brian Dessent wrote:

> So, it looks like we need to ship multiple versions of libmoldname, to
> match the versions of the runtime, e.g:
> 
> libmoldname.a   & libmsvcrt.a
> libmoldname70.a & libmsvcr70.a
> libmoldname71.a & libmsvcr71.a
> libmoldname80.a & libmsvcr80.a

I had a go at implementing this.  The attached patch modifies
Makefile.in to build the above variants (and 90) of libmoldname.  I
verified that this makes the poster's testcase succeed when changing
-lmoldname to -lmoldname71 in the link command.

Brian

2008-02-01  Brian Dessent  <brian@xxxxxxxxxxx>

	* Makefile.in: Add rules to generate multiple versions
	of libmoldname.a for the different runtime versions.

Index: Makefile.in
===================================================================
RCS file: /cvs/src/src/winsup/mingw/Makefile.in,v
retrieving revision 1.80
diff -u -p -r1.80 Makefile.in
--- Makefile.in	27 Nov 2007 02:14:19 -0000	1.80
+++ Makefile.in	2 Feb 2008 04:27:11 -0000
@@ -188,6 +188,8 @@ LIBS = libcrtdll.a \
        libmingw32.a \
        libcoldname.a \
        libmoldname.a libmoldnamed.a \
+       libmoldname70.a libmoldname71.a \
+       libmoldname80.a libmoldname90.a \
        $(LIBM_A) \
        libmingwthrd.a
 
@@ -301,17 +303,20 @@ libcoldname.a: moldname-crtdll.def $(MOL
 	$(AR) rc $@ $(MOLD_OBJS)
 	$(RANLIB) $@
 
-libmoldname.a: moldname-msvcrt.def $(MOLD_OBJS)
+libmoldname.a libmoldnamed.a \
+: moldname-msvcrt.def $(MOLD_OBJS)
 	$(DLLTOOL) --as $(AS) -k -U	\
-		--dllname msvcrt.dll	\
+		--dllname msvcrt$(@:libmoldname%a=%)dll	\
 		--def moldname-msvcrt.def	\
 		--output-lib $@
 	$(AR) rc $@ $(MOLD_OBJS)
 	$(RANLIB) $@
 
-libmoldnamed.a: moldname-msvcrt.def $(MOLD_OBJS)
+libmoldname70.a libmoldname71.a \
+libmoldname80.a libmoldname90.a \
+: moldname-msvcrt.def $(MOLD_OBJS)
 	$(DLLTOOL) --as $(AS) -k -U	\
-		--dllname msvcrtd.dll	\
+		--dllname msvcr$(@:libmoldname%a=%)dll	\
 		--def moldname-msvcrt.def	\
 		--output-lib $@
 	$(AR) rc $@ $(MOLD_OBJS)

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