Replace prefix at install time for 'make install prefix=/new/path' (#27)

Makefile.am

@@ -82,9 +82,25 @@ EXTRA_DIST        += contrib/bin/make_dependencies.pl
 libmesh_configdir      = $(exec_prefix)/bin
 libmesh_config_SCRIPTS = contrib/bin/libmesh-config
 
-# when doing 'make install', symlik etc/libmesh/Make.common
-# when doing 'make install', update libmesh_config
+# This rule extends the built-in make install rule, and can
+# be used to:
+#  when doing 'make install prefix=/other/path', update generated files
+#  when doing 'make install', symlik etc/libmesh/Make.common
+#  when doing 'make install', update libmesh_config
 install-data-hook:
+	@if (test "x$(prefix)" != "x@prefix@") ; then \
+	  oldprefix="@prefix@" ; \
+	  newprefix="$(prefix)" ; \
+	  for genfile in `find $(DESTDIR)$(prefix) -name "*.pc" -o -name Make.common -o -name libmesh-config -type f` ; do \
+	    echo " " ; \
+	    echo " *** replacing $$oldprefix" ; \
+	    echo " ***      with $$newprefix" ; \
+	    echo " *** in generated file $$genfile" ; \
+	    echo " " ; \
+	    cd $(DESTDIR)$(prefix) && cat $$genfile | $(SED) "s,$$oldprefix,$$newprefix,g" > $$genfile.replaced ; \
+	    cd $(DESTDIR)$(prefix) && mv $$genfile.replaced $$genfile ; \
+          done ; \
+	fi
 	cd $(DESTDIR)$(prefix) && rm -f Make.common && $(LN_S) etc/libmesh/Make.common Make.common
 	cat $(DESTDIR)$(libmesh_configdir)/libmesh-config | $(SED) "s/has_been_installed=no/has_been_installed=yes/g" > $(DESTDIR)$(libmesh_configdir)/libmesh-config.installed
 	mv $(DESTDIR)$(libmesh_configdir)/libmesh-config.installed $(DESTDIR)$(libmesh_configdir)/libmesh-config && chmod +x $(DESTDIR)$(libmesh_configdir)/libmesh-config

Makefile.in

@@ -26420,9 +26420,25 @@ uninstall-am: uninstall-binPROGRAMS uninstall-binSCRIPTS \
 	uninstall-nobase_dataDATA uninstall-pkgconfigDATA
 
 
-# when doing 'make install', symlik etc/libmesh/Make.common
-# when doing 'make install', update libmesh_config
+# This rule extends the built-in make install rule, and can
+# be used to:
+#  when doing 'make install prefix=/other/path', update generated files
+#  when doing 'make install', symlik etc/libmesh/Make.common
+#  when doing 'make install', update libmesh_config
 install-data-hook:
+	@if (test "x$(prefix)" != "x@prefix@") ; then \
+	  oldprefix="@prefix@" ; \
+	  newprefix="$(prefix)" ; \
+	  for genfile in `find $(DESTDIR)$(prefix) -name "*.pc" -o -name Make.common -o -name libmesh-config -type f` ; do \
+	    echo " " ; \
+	    echo " *** replacing $$oldprefix" ; \
+	    echo " ***      with $$newprefix" ; \
+	    echo " *** in generated file $$genfile" ; \
+	    echo " " ; \
+	    cd $(DESTDIR)$(prefix) && cat $$genfile | $(SED) "s,$$oldprefix,$$newprefix,g" > $$genfile.replaced ; \
+	    cd $(DESTDIR)$(prefix) && mv $$genfile.replaced $$genfile ; \
+          done ; \
+	fi
 	cd $(DESTDIR)$(prefix) && rm -f Make.common && $(LN_S) etc/libmesh/Make.common Make.common
 	cat $(DESTDIR)$(libmesh_configdir)/libmesh-config | $(SED) "s/has_been_installed=no/has_been_installed=yes/g" > $(DESTDIR)$(libmesh_configdir)/libmesh-config.installed
 	mv $(DESTDIR)$(libmesh_configdir)/libmesh-config.installed $(DESTDIR)$(libmesh_configdir)/libmesh-config && chmod +x $(DESTDIR)$(libmesh_configdir)/libmesh-config