dev-libs/leveldb/files/leveldb-1.9.0-memenv-so.patch

--- leveldb-1.9.0.orig/Makefile	2013-01-07 21:07:29.000000000 +0000
+++ leveldb-1.9.0/Makefile	2014-03-28 22:11:05.000000000 +0000
@@ -61,37 +61,45 @@
 # Should we build shared libraries?
 ifneq ($(PLATFORM_SHARED_EXT),)
 
+SHARED1 = $(PLATFORM_SHARED_EXT)
+
 ifneq ($(PLATFORM_SHARED_VERSIONED),true)
-SHARED1 = libleveldb.$(PLATFORM_SHARED_EXT)
 SHARED2 = $(SHARED1)
 SHARED3 = $(SHARED1)
-SHARED = $(SHARED1)
+SHARED=%.$(SHARED1)
 else
 # Update db.h if you change these.
 SHARED_MAJOR = 1
 SHARED_MINOR = 9
-SHARED1 = libleveldb.$(PLATFORM_SHARED_EXT)
 SHARED2 = $(SHARED1).$(SHARED_MAJOR)
 SHARED3 = $(SHARED1).$(SHARED_MAJOR).$(SHARED_MINOR)
-SHARED = $(SHARED1) $(SHARED2) $(SHARED3)
-$(SHARED1): $(SHARED3)
-	ln -fs $(SHARED3) $(SHARED1)
-$(SHARED2): $(SHARED3)
-	ln -fs $(SHARED3) $(SHARED2)
+SHARED=%.$(SHARED1) %.$(SHARED2) %.$(SHARED3)
+%.$(SHARED1): %.$(SHARED3)
+	ln -fs $< $@
+%.$(SHARED2): %.$(SHARED3)
+	ln -fs $< $@
 endif
 
-$(SHARED3):
-	$(CXX) $(LDFLAGS) $(PLATFORM_SHARED_LDFLAGS)$(SHARED2) $(CXXFLAGS) $(PLATFORM_SHARED_CFLAGS) $(SOURCES) -o $(SHARED3) $(LIBS)
+%.SHARED: $(SHARED)
+	@true
+
+%.$(SHARED3):
+	$(CXX) $(LDFLAGS) $(PLATFORM_SHARED_LDFLAGS)$*.$(SHARED2) $(CXXFLAGS) $(PLATFORM_SHARED_CFLAGS) $^ -o $@ $(LIBS)
+
+libleveldb.$(SHARED3): $(SOURCES)
+libmemenv.$(SHARED3): $(MEMENV_SOURCES)
+
+.SECONDARY: $(subst %,libleveldb,$(SHARED)) $(subst %,libmemenv,$(SHARED))
 
 endif  # PLATFORM_SHARED_EXT
 
-all: $(SHARED) $(LIBRARY)
+all: libleveldb.SHARED $(LIBRARY)
 
 check: all $(PROGRAMS) $(TESTS)
 	for t in $(TESTS); do echo "***** Running $$t"; ./$$t || exit 1; done
 
 clean:
-	-rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(SHARED) $(MEMENVLIBRARY) */*.o */*/*.o ios-x86/*/*.o ios-arm/*/*.o build_config.mk
+	-rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(subst %,libleveldb,$(SHARED)) $(MEMENVLIBRARY) */*.o */*/*.o ios-x86/*/*.o ios-arm/*/*.o build_config.mk
 	-rm -rf ios-x86/* ios-arm/*
 
 $(LIBRARY): $(LIBOBJECTS)