Fixed subtle bug where 'make prefix=/somewhere; make clean; make prefix=/somwhere/else' produced an executable using the incorrect library directories.

git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@4186 626c5289-ae23-0410-ae9c-e8d60b6d4f22

SWIG/Source/Modules/Makefile.in

@@ -5,6 +5,13 @@
 srcdir = @srcdir@
 VPATH = @srcdir@
 
+# prefix is needed for swig_lib
+prefix	       = @prefix@
+exec_prefix    = @exec_prefix@
+release_suffix = @release_suffix@
+swig_lib   	   = @swig_lib@
+libdir         = @libdir@
+
 SHELL    = /bin/sh
 CXX      = @CXX@
 CFLAGS   = @CFLAGS@ @SWILL@
@@ -12,6 +19,10 @@ YACC     = @YACC@
 AR       = @AR@
 RANLIB   = @RANLIB@
 
+# These C macros are passed on the compilation command line as autoconf won't expand them for 
+# generation into a header file. This is because they can be set when running make.
+DEFS	 = -DSWIG_LIB=\"$(swig_lib)\" -DLIBDIR=\"$(libdir)\" -DRELEASE_SUFFIX=\"$(release_suffix)\"
+
 TARGET   = libmodules.a
 OBJS     = main.@OBJEXT@ module.@OBJEXT@ emit.@OBJEXT@ overload.@OBJEXT@ lang.@OBJEXT@ typepass.@OBJEXT@ allocate.@OBJEXT@ browser.@OBJEXT@ contract.@OBJEXT@ swigmain.@OBJEXT@ tcl8.@OBJEXT@ python.@OBJEXT@ perl5.@OBJEXT@ guile.@OBJEXT@ ruby.@OBJEXT@ mzscheme.@OBJEXT@ java.@OBJEXT@ php4.@OBJEXT@ ocaml.@OBJEXT@ xml.@OBJEXT@ pike.@OBJEXT@ s-exp.@OBJEXT@
 SRCS     = main.cxx module.cxx emit.cxx overload.cxx lang.cxx typepass.cxx allocate.cxx browser.cxx contract.cxx swigmain.cxx tcl8.cxx python.cxx perl5.cxx guile.cxx ruby.cxx mzscheme.cxx java.cxx php4.cxx ocaml.cxx xml.cxx pike.cxx s-exp.cxx
@@ -25,7 +36,7 @@ INCLUDES = -I$(srcdir)/../Include		\
 # Rules for creation of a .@OBJEXT@ file from .cxx
 .SUFFIXES: .cxx
 .cxx.@OBJEXT@:
-	$(CXX) $(INCLUDES) $(CFLAGS) -c -o $*.@OBJEXT@ $<
+	$(CXX) $(DEFS) $(INCLUDES) $(CFLAGS) -c -o $*.@OBJEXT@ $<
 
 
 swig:  $(TARGET)