Defer calculation of checksums until installation.

The checksum is now calculated from the installed libraries and plugins.
This allows to calculate checksums for plugins linking to libraries like
libtls as these are relinked during installation.

src/checksum/Makefile.am

@@ -1,9 +1,10 @@
-ipseclib_LTLIBRARIES = libchecksum.la
-noinst_PROGRAMS = checksum_builder
-
+# this lib is not built until make install is called (see rules at the bottom)
+EXTRA_LTLIBRARIES = libchecksum.la
+ipseclib_LTLIBRARIES = $(LIBCHECKSUM_LIBS)
 nodist_libchecksum_la_SOURCES = checksum.c
-libchecksum_la_LDFLAGS = -module -avoid-version
+libchecksum_la_LDFLAGS = -module -avoid-version -rpath '$(ipseclibdir)'
 
+noinst_PROGRAMS = checksum_builder
 checksum_builder_SOURCES = checksum_builder.c
 checksum_builder_LDADD = \
 	$(top_builddir)/src/libstrongswan/libstrongswan.la \
@@ -11,27 +12,38 @@ checksum_builder_LDADD = \
 	$(top_builddir)/src/libcharon/libcharon.la \
 	$(DLLIB)
 
-BUILT_SOURCES = checksum.c
 CLEANFILES = checksum.c
-INCLUDES = -I$(top_srcdir)/src/libstrongswan -I$(top_srcdir)/src/libhydra \
+INCLUDES = \
+	-I$(top_srcdir)/src/libstrongswan \
+	-I$(top_srcdir)/src/libhydra \
 	-I$(top_srcdir)/src/libcharon
-AM_CFLAGS = -rdynamic
+AM_CFLAGS = \
+	-DPLUGINDIR=\"${plugindir}\" \
+	-rdynamic
 
-libs = $(top_builddir)/src/libstrongswan/.libs/libstrongswan.so
+# we keep track of build dependencies in deps and use libs to store the paths
+# to the installed libraries. for executables we use the built files directly
+# as these are not relinked during installation.
+deps = $(top_builddir)/src/libstrongswan/libstrongswan.la
+libs = $(DESTDIR)$(ipseclibdir)/libstrongswan.so
+exes =
 
 if !MONOLITHIC
-  AM_CFLAGS += -DS_PLUGINS=\""${s_plugins}\"" -DS_PATH=\""${top_builddir}/src/libstrongswan/plugins\""
+  AM_CFLAGS += -DS_PLUGINS=\""${s_plugins}\""
 endif
 
 if USE_LIBHYDRA
-  libs += $(top_builddir)/src/libhydra/.libs/libhydra.so
+  deps += $(top_builddir)/src/libhydra/libhydra.la
+  libs += $(DESTDIR)$(ipseclibdir)/libhydra.so
 if !MONOLITHIC
-  AM_CFLAGS += -DH_PLUGINS=\""${h_plugins}\"" -DH_PATH=\""${top_builddir}/src/libhydra/plugins\""
+  AM_CFLAGS += -DH_PLUGINS=\""${h_plugins}\""
+endif
 endif
 endif
 
 if USE_LIBTNCCS
-  libs += $(top_builddir)/src/libtnccs/.libs/libtnccs.so
+  deps += $(top_builddir)/src/libtnccs/libtnccs.la
+  libs += $(DESTDIR)$(ipseclibdir)/libtnccs.so
 endif
 
 if USE_SIMAKA
@@ -39,27 +51,37 @@ if USE_SIMAKA
 endif
 
 if USE_CHARON
-  libs += $(top_builddir)/src/libcharon/.libs/libcharon.so
-  libs += $(top_builddir)/src/charon/.libs/charon
+  deps += $(top_builddir)/src/libcharon/libcharon.la
+  libs += $(DESTDIR)$(ipseclibdir)/libcharon.so
+  exes += $(top_builddir)/src/charon/.libs/charon
 if !MONOLITHIC
-  AM_CFLAGS += -DC_PLUGINS=\""${c_plugins}\"" -DC_PATH=\""${top_builddir}/src/libcharon/plugins\""
+  AM_CFLAGS += -DC_PLUGINS=\""${c_plugins}\""
 endif
 endif
 
 if USE_PLUTO
-  libs += $(top_builddir)/src/pluto/.libs/pluto
-  AM_CFLAGS += -DP_PLUGINS=\""${p_plugins}\"" -DP_PATH=\""${top_builddir}/src/pluto/plugins\""
+  exes += $(top_builddir)/src/pluto/.libs/pluto
+  AM_CFLAGS += -DP_PLUGINS=\""${p_plugins}\""
 endif
 
 if USE_TOOLS
-  libs += $(top_builddir)/src/openac/.libs/openac
-  libs += $(top_builddir)/src/pki/.libs/pki
-  libs += $(top_builddir)/src/scepclient/.libs/scepclient
+  exes += $(top_builddir)/src/openac/.libs/openac
+  exes += $(top_builddir)/src/pki/.libs/pki
+  exes += $(top_builddir)/src/scepclient/.libs/scepclient
 endif
 
 if USE_ATTR_SQL
-  libs += $(top_builddir)/src/libhydra/plugins/attr_sql/.libs/pool
+  exes += $(top_builddir)/src/libhydra/plugins/attr_sql/.libs/pool
 endif
 
-checksum.c : checksum_builder $(libs)
-		./checksum_builder $(libs) > checksum.c
+checksum.c : checksum_builder $(deps) $(exes)
+		./checksum_builder $(libs) $(exes) > checksum.c
+
+install-data-hook : $(EXTRA_LTLIBRARIES)
+	$(MAKE) $(AM_MAKEFLAGS) LIBCHECKSUM_LIBS='$(EXTRA_LTLIBRARIES)' install-ipseclibLTLIBRARIES
+
+uninstall-hook :
+	$(MAKE) $(AM_MAKEFLAGS) LIBCHECKSUM_LIBS='$(EXTRA_LTLIBRARIES)' uninstall-ipseclibLTLIBRARIES
+
+clean-local :
+	$(MAKE) $(AM_MAKEFLAGS) LIBCHECKSUM_LIBS='$(EXTRA_LTLIBRARIES)' clean-ipseclibLTLIBRARIES

src/checksum/checksum_builder.c

@@ -71,9 +71,9 @@ static void build_checksum(char *path, char *name, char *sname)
 }
 
 /**
- * Build checksums for a set of plugins in a given path prefix
+ * Build checksums for a set of plugins
  */
-static void build_plugin_checksums(char *plugins, char *prefix)
+static void build_plugin_checksums(char *plugins)
 {
 	enumerator_t *enumerator;
 	char *plugin, path[256], under[128], sname[128], name[128];
@@ -83,8 +83,8 @@ static void build_plugin_checksums(char *plugins, char *prefix)
 	{
 		snprintf(under, sizeof(under), "%s", plugin);
 		translate(under, "-", "_");
-		snprintf(path, sizeof(path), "%s/%s/.libs/libstrongswan-%s.so",
-				 prefix, under, plugin);
+		snprintf(path, sizeof(path), "%s/libstrongswan-%s.so",
+				 PLUGINDIR, plugin);
 		snprintf(sname, sizeof(sname), "%s_plugin_create", under);
 		snprintf(name, sizeof(name), "%s\",", plugin);
 		build_checksum(path, name, sname);
@@ -157,16 +157,16 @@ int main(int argc, char* argv[])
 		build_binary_checksum(argv[i]);
 	}
 #ifdef S_PLUGINS
-	build_plugin_checksums(S_PLUGINS, S_PATH);
+	build_plugin_checksums(S_PLUGINS);
 #endif
 #ifdef H_PLUGINS
-	build_plugin_checksums(H_PLUGINS, H_PATH);
+	build_plugin_checksums(H_PLUGINS);
 #endif
 #ifdef P_PLUGINS
-	build_plugin_checksums(P_PLUGINS, P_PATH);
+	build_plugin_checksums(P_PLUGINS);
 #endif
 #ifdef C_PLUGINS
-	build_plugin_checksums(C_PLUGINS, C_PATH);
+	build_plugin_checksums(C_PLUGINS);
 #endif
 
 	printf("};\n");