[m-dev.] for review: enforce library self-containedness

[Fergus Henderson]

On 06-Feb-2001, Fergus Henderson <fjh at cs.mu.OZ.AU> wrote:
> On platforms which support it, check that there are no undefined
> symbols when linking the Mercury shared libraries. 

That change exposed an existing bug:

----------

Estimated hours taken: 0.5

configure.in:
	For sparc-sun-solaris2.*, use `gcc -shared -mimpure-text'
	rather than `gcc -G', since the latter doesn't work with
	ERROR_UNDEFINED (`-Wl,-z,defs').

Workspace: /home/venus/fjh/ws-venus2/mercury
Index: configure.in
===================================================================
RCS file: /home/mercury1/repository/mercury/configure.in,v
retrieving revision 1.245
diff -u -d -r1.245 configure.in
--- configure.in	2001/02/08 12:37:54	1.245
+++ configure.in	2001/02/08 14:28:44
@@ -2295,8 +2295,8 @@
 		AC_MSG_RESULT(yes)
 		SHARED_LIBS="$(MATH_LIB) -lc"	# don't link in libgcc.a
 		SHARED_LIBS_SH="$MATH_LIB -lc"	# don't link in libgcc.a
-		LINK_SHARED_OBJ="$CC -G"
-		LINK_SHARED_OBJ_SH="$CC -G"
+		LINK_SHARED_OBJ="$CC -shared -mimpure-text"
+		LINK_SHARED_OBJ_SH="$CC -shared -mimpure-text"
 		ERROR_UNDEFINED="-Wl,-z,defs"
 		EXE_RPATH_OPT="-R"
 		EXE_RPATH_SEP=" -R"
-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
                                    |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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