build: Split out source listing

fanc999-1 · kjellahl · commit 491728c3b5d4 · 2018-09-10T15:16:53.000+02:00
Consolidate the source listing from sigc++/Makefile.am to
sigc++/filelist.am, so that we can let other Makefile-based
build systems consume sigc++/filelist.am as well.
diff --git a/sigc++/Makefile.am b/sigc++/Makefile.am
@@ -29,11 +29,7 @@ nobase_library_include_HEADERS = sigc++.h $(sigc_public_h) $(sigc_built_h)
 
 lib_LTLIBRARIES = libsigc-@SIGCXX_API_VERSION@.la
 
-libsigc_@SIGCXX_API_VERSION@_la_SOURCES =	\
-	signal_base.cc				\
-	trackable.cc				\
-	connection.cc				\
-	functors/slot_base.cc
+libsigc_@SIGCXX_API_VERSION@_la_SOURCES = $(sigc_sources_cc)
 
 EXTRA_libsigc_@SIGCXX_API_VERSION@_la_SOURCES = $(sigc_built_cc)
 
diff --git a/sigc++/filelist.am b/sigc++/filelist.am
@@ -56,3 +56,9 @@ sigc_public_h =				\
 	functors/ptr_fun.h		\
 	functors/slot.h \
 	functors/slot_base.h
+
+sigc_sources_cc =			\
+	signal_base.cc			\
+	trackable.cc			\
+	connection.cc			\
+	functors/slot_base.cc
