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--- Makefile.orig 2011-10-24 18:02:13.000000000 +0800
+++ Makefile 2011-10-28 19:12:16.103454748 +0800
@@ -2,13 +2,13 @@
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file. See the AUTHORS file for names of contributors.
-CC = g++
+CC ?= g++
#-----------------------------------------------
# Uncomment exactly one of the lines labelled (A), (B), and (C) below
# to switch between compilation modes.
-OPT = -O2 -DNDEBUG # (A) Production use (optimized mode)
+OPT ?= -O2 -DNDEBUG # (A) Production use (optimized mode)
# OPT = -g2 # (B) Debug mode, w/ full line-level debugging symbols
# OPT = -O2 -g2 -DNDEBUG # (C) Profiling mode: opt, but w/debugging symbols
#-----------------------------------------------
@@ -36,9 +36,9 @@
GOOGLE_PERFTOOLS_LDFLAGS=
endif
-CFLAGS = -c -I. -I./include $(PORT_CFLAGS) $(PLATFORM_CFLAGS) $(OPT) $(SNAPPY_CFLAGS)
+CFLAGS += -c -fPIC -I. -I./include $(PORT_CFLAGS) $(PLATFORM_CFLAGS) $(OPT) $(SNAPPY_CFLAGS)
-LDFLAGS=$(PLATFORM_LDFLAGS) $(SNAPPY_LDFLAGS) $(GOOGLE_PERFTOOLS_LDFLAGS)
+LDFLAGS += $(PLATFORM_LDFLAGS) $(SNAPPY_LDFLAGS) $(GOOGLE_PERFTOOLS_LDFLAGS)
LIBOBJECTS = \
./db/builder.o \
@@ -103,15 +103,19 @@
BENCHMARKS = db_bench_sqlite3 db_bench_tree_db
LIBRARY = libleveldb.a
+SHARED_LIBRARY = libleveldb.so
+SHARED_LIBRARY_VER = 0
MEMENVLIBRARY = libmemenv.a
-all: $(LIBRARY)
+SHARED_LIBOBJECTS = $(LIBOBJECTS:.o=.so)
+
+all: $(LIBRARY) $(SHARED_LIBRARY)
check: $(PROGRAMS) $(TESTS)
for t in $(TESTS); do echo "***** Running $$t"; ./$$t || exit 1; done
clean:
- -rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(MEMENVLIBRARY) */*.o */*/*.o ios-x86/*/*.o ios-arm/*/*.o
+ -rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(SHARED_LIBRARY) $(MEMENVLIBRARY) */*.o */*/*.o ios-x86/*/*.o ios-arm/*/*.o
-rm -rf ios-x86/* ios-arm/*
-rm build_config.mk
@@ -119,6 +123,10 @@
rm -f $@
$(AR) -rs $@ $(LIBOBJECTS)
+$(SHARED_LIBRARY): $(LIBOBJECTS)
+ rm -f $@
+ $(CC) -shared -Wl,-soname,$@.$(SHARED_LIBRARY_VER) -o $@.$(SHARED_LIBRARY_VER) $(LDFLAGS) $(LIBOBJECTS)
+
db_bench: db/db_bench.o $(LIBOBJECTS) $(TESTUTIL)
$(CC) $(LDFLAGS) db/db_bench.o $(LIBOBJECTS) $(TESTUTIL) -o $@
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