Make shared lib builds work again

git-svn-id: svn://10.0.0.236/branches/MozillaSourceClassic_19981026_BRANCH@13991 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/config/autoconf.mk.in

@@ -49,8 +49,15 @@ MOZ_NATIVE_ZLIB	= @SYSTEM_ZLIB@
 MOZ_NATIVE_JPEG	= @SYSTEM_JPEG@
 MOZ_NATIVE_PNG	= @SYSTEM_PNG@
 
+ifndef NO_SHARED_LIB
+BUILD_UNIX_PLUGINS      = 1
+DSO_CFLAGS              = -fPIC
+MKSHLIB                 = @MKSHLIB@
+DSO_LDOPTS              = @DSO_LDOPTS@
+endif
+
 # Should the extra CFLAGS only be added in Makefile.ins that need them? 
-OS_CFLAGS	= @CFLAGS@
+OS_CFLAGS	= @CFLAGS@ $(DSO_CFLAGS)
 OS_INCLUDES	= $(NSPR_CFLAGS) $(JPEG_CFLAGS) $(PNG_CFLAGS) $(ZLIB_CFLAGS)
 OS_LIBS		= @LDFLAGS@ @LIBS@
 DEFINES		= @DEFS@

mozilla/configure.in

@@ -105,11 +105,29 @@ dnl the qsort routine under solaris is faulty
 dnl Linux Alpha needs -mieee for FPU to work correctly
 dnl Note this case statement doesn't seem to handle [] as part of a regexp
 
+dnl set the defaults first
+dnl ========================================================
+MKSHLIB='$(LD) $(DSO_LDOPTS)'
+DSO_LDOPTS='-shared -h $(@:$(OBJDIR)/%.so=%.so)'
+
+dnl gcc can come with its own linker so its better to use the pass-thru calls
+dnl ========================================================
+if test "$GNU_CC" = 1; then
+    MKSHLIB='$(CC) $(DSO_LDOPTS)'
+    DSO_LDOPTS='-shared -Wl,-h -Wl,$(@:$(OBJDIR)/%.so=%.so)'
+fi
+
 case "$target" in
 *-*-solaris*) 
-	AC_DEFINE(BROKEN_QSORT) ;;
+	AC_DEFINE(BROKEN_QSORT)
+	DSO_LDOPTS='-G -h $(@:$(OBJDIR)/%.so=%.so)' ;;
+
 alpha-*-linux*)
 	CFLAGS="$CFLAGS -mieee" ;;
+
+*-freebsd*)                                   
+	DSO_LDOPTS="-Bshareable $DSO_LDOPTS" ;;
+
 esac
 
 dnl Checks for typedefs, structures, and compiler characteristics.
@@ -767,6 +785,9 @@ AC_SUBST(CFLAGS)
 AC_SUBST(LDFLAGS)
 AC_SUBST(LIBS)
 
+AC_SUBST(MKSHLIB)
+AC_SUBST(DSO_LDOPTS)
+
 dnl Check for missing components
 if [ test "$MISSING_X" != "" ]; then
    AC_MSG_ERROR([ Could not find the following libraries: $MISSING_X ]);