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rocksdb/Makefile
Igor Canadi f611aba559 Move the compiler back to 4.8.1 + more small fixes 
Summary:
1. Moved the compiler back to 4.8.1 and uses Centos 5.2 binaries if OS is Centos 5.2.

2. Fixes this issue: https://github.com/facebook/rocksdb/issues/7

3. We use lot of c++11 features, so we can't pretend we can compile without them. Makes it a first class dependency.

4. Fix blob_store_test, which failes on Ubuntu with "too many files opened" error

5. Removed dependency on port/port_chromium.h, which does not even exist on our system

Test Plan: make clean; make check

Reviewers: dhruba, kailiu

Reviewed By: kailiu

CC: leveldb

Differential Revision: https://reviews.facebook.net/D14145
2013-11-18 11:40:16 -08:00

385 lines
16 KiB
Makefile
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# Copyright (c) 2011 The LevelDB Authors. All rights reserved.
# 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.
# Inherit some settings from environment variables, if available
INSTALL_PATH ?= $(CURDIR)
#-----------------------------------------------
# Uncomment exactly one of the lines labelled (A), (B), and (C) below
# to switch between compilation modes.
# OPT ?= -DNDEBUG # (A) Production use (optimized mode)
OPT += -O2 -fno-omit-frame-pointer -momit-leaf-frame-pointer
#-----------------------------------------------
# detect what platform we're building on
$(shell (export ROCKSDB_ROOT=$(CURDIR); $(CURDIR)/build_tools/build_detect_platform $(CURDIR)/build_config.mk))
# this file is generated by the previous line to set build flags and sources
include build_config.mk
WARNING_FLAGS = -Wall -Werror
CFLAGS += -g $(WARNING_FLAGS) -I. -I./include $(PLATFORM_CCFLAGS) $(OPT)
CXXFLAGS += -g $(WARNING_FLAGS) -I. -I./include $(PLATFORM_CXXFLAGS) $(OPT) -Woverloaded-virtual
LDFLAGS += $(PLATFORM_LDFLAGS)
LIBOBJECTS = $(SOURCES:.cc=.o)
LIBOBJECTS += $(SOURCESCPP:.cpp=.o)
MEMENVOBJECTS = $(MEMENV_SOURCES:.cc=.o)
TESTUTIL = ./util/testutil.o
TESTHARNESS = ./util/testharness.o $(TESTUTIL)
VALGRIND_ERROR = 2
VALGRIND_DIR = build_tools/VALGRIND_LOGS
VALGRIND_VER := $(join $(VALGRIND_VER),valgrind)
VALGRIND_OPTS = --error-exitcode=$(VALGRIND_ERROR) --leak-check=full
TESTS = \
table_stats_collector_test \
arena_test \
auto_roll_logger_test \
block_test \
bloom_test \
c_test \
cache_test \
coding_test \
corruption_test \
crc32c_test \
db_test \
dbformat_test \
env_test \
blob_store_test \
filelock_test \
filename_test \
filter_block_test \
histogram_test \
log_test \
manual_compaction_test \
memenv_test \
merge_test \
redis_test \
reduce_levels_test \
simple_table_db_test \
skiplist_test \
stringappend_test \
table_test \
ttl_test \
version_edit_test \
version_set_test \
write_batch_test\
deletefile_test
TOOLS = \
sst_dump \
db_stress \
ldb \
db_repl_stress \
blob_store_bench
PROGRAMS = db_bench signal_test $(TESTS) $(TOOLS)
BENCHMARKS = db_bench_sqlite3 db_bench_tree_db table_reader_bench
# The library name is configurable since we are maintaining libraries of both
# debug/release mode.
LIBNAME = librocksdb
LIBRARY = ${LIBNAME}.a
MEMENVLIBRARY = libmemenv.a
default: all
#-----------------------------------------------
# Create platform independent shared libraries.
#-----------------------------------------------
ifneq ($(PLATFORM_SHARED_EXT),)
ifneq ($(PLATFORM_SHARED_VERSIONED),true)
SHARED1 = ${LIBNAME}.$(PLATFORM_SHARED_EXT)
SHARED2 = $(SHARED1)
SHARED3 = $(SHARED1)
SHARED = $(SHARED1)
else
# Update db.h if you change these.
SHARED_MAJOR = 2
SHARED_MINOR = 0
SHARED1 = ${LIBNAME}.$(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)
endif
$(SHARED3):
$(CXX) $(LDFLAGS) $(PLATFORM_SHARED_LDFLAGS)$(SHARED2) $(CXXFLAGS) $(COVERAGEFLAGS) $(PLATFORM_SHARED_CFLAGS) $(SOURCES) -o $(SHARED3)
endif # PLATFORM_SHARED_EXT
all: $(LIBRARY) $(PROGRAMS)
.PHONY: blackbox_crash_test check clean coverage crash_test ldb_tests \
release tags valgrind_check whitebox_crash_test
release:
$(MAKE) clean
OPT=-DNDEBUG $(MAKE) -j32
coverage:
$(MAKE) clean
COVERAGEFLAGS="-fprofile-arcs -ftest-coverage" LDFLAGS+="-lgcov" $(MAKE) all check
(cd coverage; ./coverage_test.sh)
# Delete intermediate files
find . -type f -regex ".*\.\(\(gcda\)\|\(gcno\)\)" -exec rm {} \;
check: all $(PROGRAMS) $(TESTS) $(TOOLS) ldb_tests
for t in $(TESTS); do echo "***** Running $$t"; ./$$t || exit 1; done
ldb_tests: all $(PROGRAMS) $(TOOLS)
python tools/ldb_test.py
crash_test: blackbox_crash_test whitebox_crash_test
blackbox_crash_test: db_stress
python -u tools/db_crashtest.py
whitebox_crash_test: db_stress
python -u tools/db_crashtest2.py
valgrind_check: all $(PROGRAMS) $(TESTS)
mkdir -p $(VALGRIND_DIR)
echo TESTS THAT HAVE VALGRIND ERRORS > $(VALGRIND_DIR)/valgrind_failed_tests; \
echo TIMES in seconds TAKEN BY TESTS ON VALGRIND > $(VALGRIND_DIR)/valgrind_tests_times; \
for t in $(filter-out skiplist_test,$(TESTS)); do \
stime=`date '+%s'`; \
$(VALGRIND_VER) $(VALGRIND_OPTS) ./$$t; \
if [ $$? -eq $(VALGRIND_ERROR) ] ; then \
echo $$t >> $(VALGRIND_DIR)/valgrind_failed_tests; \
fi; \
etime=`date '+%s'`; \
echo $$t $$((etime - stime)) >> $(VALGRIND_DIR)/valgrind_tests_times; \
done
clean:
-rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(SHARED) $(MEMENVLIBRARY) build_config.mk
-rm -rf ios-x86/* ios-arm/*
-find . -name "*.[od]" -exec rm {} \;
-find . -type f -regex ".*\.\(\(gcda\)\|\(gcno\)\)" -exec rm {} \;
tags:
ctags * -R
cscope -b `find . -name '*.cc'` `find . -name '*.h'`
# ---------------------------------------------------------------------------
# Unit tests and tools
# ---------------------------------------------------------------------------
$(LIBRARY): $(LIBOBJECTS)
rm -f $@
$(AR) -rs $@ $(LIBOBJECTS)
db_bench: db/db_bench.o $(LIBOBJECTS) $(TESTUTIL)
$(CXX) db/db_bench.o $(LIBOBJECTS) $(TESTUTIL) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
db_stress: tools/db_stress.o $(LIBOBJECTS) $(TESTUTIL)
$(CXX) tools/db_stress.o $(LIBOBJECTS) $(TESTUTIL) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
db_repl_stress: tools/db_repl_stress.o $(LIBOBJECTS) $(TESTUTIL)
$(CXX) tools/db_repl_stress.o $(LIBOBJECTS) $(TESTUTIL) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
blob_store_bench: tools/blob_store_bench.o $(LIBOBJECTS) $(TESTUTIL)
$(CXX) tools/blob_store_bench.o $(LIBOBJECTS) $(TESTUTIL) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
db_bench_sqlite3: doc/bench/db_bench_sqlite3.o $(LIBOBJECTS) $(TESTUTIL)
$(CXX) doc/bench/db_bench_sqlite3.o $(LIBOBJECTS) $(TESTUTIL) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) -lsqlite3 $(COVERAGEFLAGS)
db_bench_tree_db: doc/bench/db_bench_tree_db.o $(LIBOBJECTS) $(TESTUTIL)
$(CXX) doc/bench/db_bench_tree_db.o $(LIBOBJECTS) $(TESTUTIL) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) -lkyotocabinet $(COVERAGEFLAGS)
signal_test: util/signal_test.o $(LIBOBJECTS)
$(CXX) util/signal_test.o $(LIBOBJECTS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
arena_test: util/arena_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/arena_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
table_stats_collector_test: db/table_stats_collector_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/table_stats_collector_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
bloom_test: util/bloom_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/bloom_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
c_test: db/c_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/c_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
cache_test: util/cache_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/cache_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
coding_test: util/coding_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/coding_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
blob_store_test: util/blob_store_test.o $(LIBOBJECTS) $(TESTHARNESS) $(TESTUTIL)
$(CXX) util/blob_store_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o$@ $(LDFLAGS) $(COVERAGEFLAGS)
stringappend_test: utilities/merge_operators/string_append/stringappend_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) utilities/merge_operators/string_append/stringappend_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
redis_test: utilities/redis/redis_lists_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) utilities/redis/redis_lists_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
histogram_test: util/histogram_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/histogram_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o$@ $(LDFLAGS) $(COVERAGEFLAGS)
corruption_test: db/corruption_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/corruption_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
crc32c_test: util/crc32c_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/crc32c_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
db_test: db/db_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/db_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
simple_table_db_test: db/simple_table_db_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/simple_table_db_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
table_reader_bench: table/table_reader_bench.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) table/table_reader_bench.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
perf_context_test: db/perf_context_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/perf_context_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS)
prefix_test: db/prefix_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/prefix_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS)
ttl_test: utilities/ttl/ttl_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) utilities/ttl/ttl_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
dbformat_test: db/dbformat_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/dbformat_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
env_test: util/env_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/env_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
filename_test: db/filename_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/filename_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
filter_block_test: table/filter_block_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) table/filter_block_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
log_test: db/log_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/log_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
table_test: table/table_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) table/table_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
block_test: table/block_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) table/block_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
skiplist_test: db/skiplist_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/skiplist_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
version_edit_test: db/version_edit_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/version_edit_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
version_set_test: db/version_set_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/version_set_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
reduce_levels_test: tools/reduce_levels_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) tools/reduce_levels_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
write_batch_test: db/write_batch_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/write_batch_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
merge_test: db/merge_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/merge_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
deletefile_test: db/deletefile_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) db/deletefile_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS)
$(MEMENVLIBRARY) : $(MEMENVOBJECTS)
rm -f $@
$(AR) -rs $@ $(MEMENVOBJECTS)
memenv_test : helpers/memenv/memenv_test.o $(MEMENVLIBRARY) $(LIBRARY) $(TESTHARNESS)
$(CXX) helpers/memenv/memenv_test.o $(MEMENVLIBRARY) $(LIBRARY) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
manual_compaction_test: util/manual_compaction_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/manual_compaction_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
rocksdb_shell: tools/shell/ShellContext.o tools/shell/ShellState.o tools/shell/LeveldbShell.o tools/shell/DBClientProxy.o tools/shell/ShellContext.h tools/shell/ShellState.h tools/shell/DBClientProxy.h $(LIBOBJECTS)
$(CXX) tools/shell/ShellContext.o tools/shell/ShellState.o tools/shell/LeveldbShell.o tools/shell/DBClientProxy.o $(LIBOBJECTS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
DBClientProxy_test: tools/shell/test/DBClientProxyTest.o tools/shell/DBClientProxy.o $(LIBRARY)
$(CXX) tools/shell/test/DBClientProxyTest.o tools/shell/DBClientProxy.o $(LIBRARY) $(EXEC_LDFLAGS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
filelock_test: util/filelock_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/filelock_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
auto_roll_logger_test: util/auto_roll_logger_test.o $(LIBOBJECTS) $(TESTHARNESS)
$(CXX) util/auto_roll_logger_test.o $(LIBOBJECTS) $(TESTHARNESS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
sst_dump: tools/sst_dump.o $(LIBOBJECTS)
$(CXX) tools/sst_dump.o $(LIBOBJECTS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
ldb: tools/ldb.o $(LIBOBJECTS)
$(CXX) tools/ldb.o $(LIBOBJECTS) $(EXEC_LDFLAGS) -o $@ $(LDFLAGS) $(COVERAGEFLAGS)
# ---------------------------------------------------------------------------
# Platform-specific compilation
# ---------------------------------------------------------------------------
ifeq ($(PLATFORM), IOS)
# For iOS, create universal object files to be used on both the simulator and
# a device.
PLATFORMSROOT=/Applications/Xcode.app/Contents/Developer/Platforms
SIMULATORROOT=$(PLATFORMSROOT)/iPhoneSimulator.platform/Developer
DEVICEROOT=$(PLATFORMSROOT)/iPhoneOS.platform/Developer
IOSVERSION=$(shell defaults read $(PLATFORMSROOT)/iPhoneOS.platform/versionCFBundleShortVersionString)
.cc.o:
mkdir -p ios-x86/$(dir $@)
$(SIMULATORROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 -c $< -o ios-x86/$@ $(COVERAGEFLAGS)
mkdir -p ios-arm/$(dir $@)
$(DEVICEROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 -c $< -o ios-arm/$@ $(COVERAGEFLAGS)
lipo ios-x86/$@ ios-arm/$@ -create -output $@
.c.o:
mkdir -p ios-x86/$(dir $@)
$(SIMULATORROOT)/usr/bin/$(CC) $(CFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 -c $< -o ios-x86/$@
mkdir -p ios-arm/$(dir $@)
$(DEVICEROOT)/usr/bin/$(CC) $(CFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 -c $< -o ios-arm/$@
lipo ios-x86/$@ ios-arm/$@ -create -output $@
else
.cc.o:
$(CXX) $(CXXFLAGS) -c $< -o $@ $(COVERAGEFLAGS)
.c.o:
$(CC) $(CFLAGS) -c $< -o $@
endif
# ---------------------------------------------------------------------------
# Source files dependencies detection
# ---------------------------------------------------------------------------
# Add proper dependency support so changing a .h file forces a .cc file to
# rebuild.
# The .d file indicates .cc file's dependencies on .h files. We generate such
# dependency by g++'s -MM option, whose output is a make dependency rule.
# The sed command makes sure the "target" file in the generated .d file has
# the correct path prefix.
%.d: %.cc
$(CXX) $(CXXFLAGS) $(PLATFORM_SHARED_CFLAGS) -MM $< -o $@
ifeq ($(PLATFORM), OS_MACOSX)
@sed -i '' -e 's,.*:,$*.o:,' $@
else
@sed -i -e 's,.*:,$*.o:,' $@
endif
DEPFILES = $(filter-out util/build_version.d,$(SOURCES:.cc=.d))
depend: $(DEPFILES)
ifneq ($(MAKECMDGOALS),clean)
-include $(DEPFILES)
endif
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