improved makefile

[libt2n] / example-codegen / Makefile.am

diff --git a/example-codegen/Makefile.am b/example-codegen/Makefile.am
index 4baab90..202f514 100644 (file)
--- a/example-codegen/Makefile.am
+++ b/example-codegen/Makefile.am
@@ -4,6 +4,12 @@ LDADD = $(top_builddir)/src/libt2n.la @BOOST_SERIALIZATION_LIB@ @BOOST_LDFLAGS@
 
 CMDGROUPS = default other
 
+default_GROUP = default.cpp
+other_GROUP = other-1.cpp other-2.cpp
+
+# unfortunately we can't set those from variables
+# because they are parsed by automake
+
 libdefault_la_SOURCES = default_client.cpp
 libother_la_SOURCES = other_client.cpp
 noinst_LTLIBRARIES = libdefault.la libother.la
@@ -12,8 +18,8 @@ client_SOURCES = client.cpp
 client_LDADD = $(LDADD) libdefault.la libother.la
 
 server_SOURCES = server.cpp \
-       other.cpp other_server.cpp \
-       default.cpp default_server.cpp \
+       $(other_GROUP) other_server.cpp \
+       $(default_GROUP) default_server.cpp \
        foo.hxx
 
 noinst_PROGRAMS = client server
@@ -21,27 +27,34 @@ noinst_PROGRAMS = client server
 
 # always the same:
 
-codegen.stamp: $(CMDGROUPS:%=%.cpp) $(top_builddir)/codegen/codegen
-# assuming we have some unix like shell
+#IFILES=$(foreach i, $(CMDGROUPS), $(foreach j, $($(i)_GROUP), $(j)))
+STAMPS=$(CMDGROUPS:=.stamp)
+
+GROUPDEP_FILES =  $(foreach i, $(CMDGROUPS), .deps/group_$(i).P)
+-include $(GROUPDEP_FILES)
+
+.deps/group_%.P : Makefile.am
+       echo $@ : $($*_GROUP) > .deps/group_$*.P
+
+%.stamp : .deps/group_%.P $(top_builddir)/codegen/codegen Makefile.am
+# assuming we have some unix like shell (maybe even bash)
        echo BUILT_SOURCES: $(BUILT_SOURCES)
-       for i in $(CMDGROUPS); do \
-               cp -v $(top_srcdir)/codegen/codegen-stubhead.hxx $${i}_common.hxx; \
-               cp -v $(top_srcdir)/codegen/codegen-stubhead.hxx $${i}_server.hxx; \
-       done
+       cp -v $(top_srcdir)/codegen/codegen-stubhead.hxx $*_common.hxx;
+       cp -v $(top_srcdir)/codegen/codegen-stubhead.hxx $*_server.hxx;
 # todo use tmp file for xml file
-       for i in $(CMDGROUPS); do \
-               gccxml $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $${i}.cpp -fxml=$${i}.xml; \
-               $(top_builddir)/codegen/codegen $${i}.cpp $${i}.xml $${i}; \
-       done; touch $@
+       for i in $($*_GROUP); do \
+               gccxml $(DEFS) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(AM_CXXFLAGS) $(CXXFLAGS) $${i} -fxml=$${i%*.cpp}.xml; \
+       done; \
+       $(top_builddir)/codegen/codegen $*.cpp $* $($*_GROUP:.cpp=.xml) && touch $@
 
 # assuming we have gnu make?
 BUILT_SOURCES = $(foreach i, $(CMDGROUPS), $(foreach j, _common.hxx _common.cpp _client.hxx _client.cpp _server.hxx _server.cpp, $(i)$(j)) )
 
-$(BUILT_SOURCES) : codegen.stamp
+$(BUILT_SOURCES) : $(STAMPS)
 
 TESTS = test
 
-CLEANFILES = codegen.stamp
+CLEANFILES = $(BUILT_SOURCES) $(STAMPS)
 
 # TODO:
 # howto generate Makefile(.in) from something like this: