+##############################
+# Deal with optional modules #
+##############################
+
+if HAVE_GTNETS
+ GTNETS_USED=$(GTNETS_SRC)
+else
+ GTNETS_USED=
+ EXTRA_DIST+=$(GTNETS_SRC)
+endif
+
+if HAVE_SDP
+ SDP_SRC= surf/sdp.c
+else
+ SDP_SRC=
+ EXTRA_DIST+=surf/sdp.c
+endif
+
+###
+### Declare the library content
+###
+
+lib_LTLIBRARIES= libsimgrid.la libgras.la libsmpi.la
+
+libgras_la_SOURCES= $(XBT_SRC) $(GRAS_COMMON_SRC) $(GRAS_RL_SRC) $(AMOK_SRC)
+libgras_la_LDFLAGS = -no-undefined $(VERSION_INFO) @GRAS_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+
+libsimgrid_la_SOURCES = $(XBT_SRC) $(SURF_SRC) $(GTNETS_USED) $(SDP_SRC) \
+ $(SIMIX_SRC) $(CTX_SRC) \
+ $(MSG_SRC) $(SIMDAG_SRC) \
+ $(GRAS_COMMON_SRC) $(GRAS_SG_SRC) $(AMOK_SRC)
+libsimgrid_la_LDFLAGS = -no-undefined $(VERSION_INFO) @SIMGRID_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+
+# Please do not add -no-undefined to libsmpi_la_LDFLAGS:
+# smpi_simulated_main is indeed defined in user code, and undef in the
+# library (no idea why it works under linux, but it fails under windows)
+libsmpi_la_LIBADD = libsimgrid.la
+libsmpi_la_SOURCES = $(SMPI_SRC)
+libsmpi_la_LDFLAGS = $(VERSION_INFO) @SMPI_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+
+# Windows users (at least, MSVC ones) need a def file.
+if IS_WINDOWS
+libgras_la_LDFLAGS += -Wl,--output-def,libgras.def
+libsimgrid_la_LDFLAGS += -Wl,--output-def,libsimgrid.def
+libsmpi_la_LDFLAGS += -Wl,--output-def,libsmpi.def
+endif
+
+##
+## Java cruft
+
+if HAVE_JAVA
+lib_LTLIBRARIES += libsimgrid4java.la
+
+libsimgrid4java_la_SOURCES = $(XBT_SRC) $(SURF_SRC) $(GTNETS_USED) $(SDP_SRC) \
+ $(SIMIX_SRC) $(JCTX_SRC) \
+ $(JMSG_C_SRC) $(MSG_SRC) \
+ $(GRAS_COMMON_SRC) $(GRAS_SG_SRC) $(AMOK_SRC)
+libsimgrid4java_la_LDFLAGS = -no-undefined $(VERSION_INFO) @SIMGRID_DEP@ @LD_DYNAMIC_FLAGS@ -lm
+libsimgrid4java_la_GCJFLAGS = -fjni
+
+clean-local:
+ -rm -rf .classes
+
+jardir = $(prefix)/jar
+jar_DATA = simgrid.jar
+
+simgrid.jar: $(JMSG_JAVA_SRC)
+ [ -e .classes ] || mkdir .classes
+ $(JAVAC) -sourcepath java -d .classes $(JMSG_JAVA_SRC)
+ $(JAR) cvf simgrid.jar -C .classes .;
+else
+EXTRA_DIST += $(JCTX_SRC) $(JMSG_C_SRC) $(MSG_SRC)
+endif
+