mirror of https://github.com/facebook/rocksdb.git
build shared libraries; updated version to 1.3; add Status accessors
This commit is contained in:
Sanjay Ghemawat
parent
a1ad4d1995
commit
bc1ee4d25e
44
Makefile
44
Makefile
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@ -2,8 +2,10 @@
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file. See the AUTHORS file for names of contributors.
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# Inherit some settings from environment variables, if available
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CXX ?= g++
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CC ?= gcc
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INSTALL_PATH ?= $(CURDIR)
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#-----------------------------------------------
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# Uncomment exactly one of the lines labelled (A), (B), and (C) below
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@ -19,8 +21,8 @@ $(shell sh ./build_detect_platform)
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# this file is generated by build_detect_platform to set build flags and sources
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include build_config.mk
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CFLAGS += -c -I. -I./include $(PLATFORM_CCFLAGS) $(OPT)
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CXXFLAGS += -c -I. -I./include $(PLATFORM_CXXFLAGS) $(OPT)
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CFLAGS += -I. -I./include $(PLATFORM_CCFLAGS) $(OPT)
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CXXFLAGS += -I. -I./include $(PLATFORM_CXXFLAGS) $(OPT)
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LDFLAGS += $(PLATFORM_LDFLAGS)
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@ -55,15 +57,33 @@ BENCHMARKS = db_bench_sqlite3 db_bench_tree_db
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LIBRARY = libleveldb.a
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MEMENVLIBRARY = libmemenv.a
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all: $(LIBRARY)
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default: all
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check: $(PROGRAMS) $(TESTS)
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# Should we build shared libraries?
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ifneq ($(PLATFORM_SHARED_EXT),)
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# Update db.h if you change these.
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SHARED_MAJOR = 1
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SHARED_MINOR = 3
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SHARED1 = libleveldb.$(PLATFORM_SHARED_EXT)
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SHARED2 = $(SHARED1).$(SHARED_MAJOR)
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SHARED3 = $(SHARED1).$(SHARED_MAJOR).$(SHARED_MINOR)
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SHARED = $(SHARED1) $(SHARED2) $(SHARED3)
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$(SHARED3):
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$(CXX) $(LDFLAGS) $(PLATFORM_SHARED_LDFLAGS)$(INSTALL_PATH)/$(SHARED2) $(CXXFLAGS) $(PLATFORM_SHARED_CFLAGS) $(SOURCES) -o $(SHARED3)
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$(SHARED2): $(SHARED3)
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ln -fs $(SHARED3) $(SHARED2)
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$(SHARED1): $(SHARED3)
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ln -fs $(SHARED3) $(SHARED1)
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endif
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all: $(SHARED) $(LIBRARY)
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check: all $(PROGRAMS) $(TESTS)
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for t in $(TESTS); do echo "***** Running $$t"; ./$$t || exit 1; done
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clean:
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-rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(MEMENVLIBRARY) */*.o */*/*.o ios-x86/*/*.o ios-arm/*/*.o
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-rm -f $(PROGRAMS) $(BENCHMARKS) $(LIBRARY) $(SHARED) $(MEMENVLIBRARY) */*.o */*/*.o ios-x86/*/*.o ios-arm/*/*.o build_config.mk
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-rm -rf ios-x86/* ios-arm/*
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-rm build_config.mk
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$(LIBRARY): $(LIBOBJECTS)
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rm -f $@
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@ -142,22 +162,22 @@ IOSVERSION=$(shell defaults read /Developer/Platforms/iPhoneOS.platform/version
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.cc.o:
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mkdir -p ios-x86/$(dir $@)
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$(SIMULATORROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 $< -o ios-x86/$@
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$(SIMULATORROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 -c $< -o ios-x86/$@
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mkdir -p ios-arm/$(dir $@)
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$(DEVICEROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 $< -o ios-arm/$@
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$(DEVICEROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 -c $< -o ios-arm/$@
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lipo ios-x86/$@ ios-arm/$@ -create -output $@
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.c.o:
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mkdir -p ios-x86/$(dir $@)
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$(SIMULATORROOT)/usr/bin/$(CC) $(CFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 $< -o ios-x86/$@
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$(SIMULATORROOT)/usr/bin/$(CC) $(CFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 -c $< -o ios-x86/$@
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mkdir -p ios-arm/$(dir $@)
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$(DEVICEROOT)/usr/bin/$(CC) $(CFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 $< -o ios-arm/$@
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$(DEVICEROOT)/usr/bin/$(CC) $(CFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 -c $< -o ios-arm/$@
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lipo ios-x86/$@ ios-arm/$@ -create -output $@
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else
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.cc.o:
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$(CXX) $(CXXFLAGS) $< -o $@
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$(CXX) $(CXXFLAGS) -c $< -o $@
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.c.o:
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$(CC) $(CFLAGS) $< -o $@
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$(CC) $(CFLAGS) -c $< -o $@
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endif
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@ -5,6 +5,9 @@
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#
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# build_config.mk will set the following variables:
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# PLATFORM_LDFLAGS Linker flags
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# PLATFORM_SHARED_EXT Extension for shared libraries
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# PLATFORM_SHARED_LDFLAGS Flags for building shared library
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# PLATFORM_SHARED_CFLAGS Flags for compiling objects for shared library
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# PLATFORM_CCFLAGS C compiler flags
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# PLATFORM_CXXFLAGS C++ compiler flags. Will contain:
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# -DLEVELDB_PLATFORM_POSIX if cstdatomic is present
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@ -29,12 +32,17 @@ COMMON_FLAGS=
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PLATFORM_CCFLAGS=
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PLATFORM_CXXFLAGS=
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PLATFORM_LDFLAGS=
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PLATFORM_SHARED_EXT="so"
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PLATFORM_SHARED_LDFLAGS="-shared -Wl,-soname -Wl,"
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PLATFORM_SHARED_CFLAGS="-fPIC"
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# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp
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case "$TARGET_OS" in
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Darwin)
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PLATFORM=OS_MACOSX
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COMMON_FLAGS="-fno-builtin-memcmp -DOS_MACOSX"
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PLATFORM_SHARED_EXT=dylib
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PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name "
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PORT_FILE=port/port_posix.cc
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;;
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Linux)
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@ -143,3 +151,6 @@ echo "PLATFORM=$PLATFORM" >> build_config.mk
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echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> build_config.mk
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echo "PLATFORM_CCFLAGS=$PLATFORM_CCFLAGS" >> build_config.mk
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echo "PLATFORM_CXXFLAGS=$PLATFORM_CXXFLAGS" >> build_config.mk
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echo "PLATFORM_SHARED_CFLAGS=$PLATFORM_SHARED_CFLAGS" >> build_config.mk
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echo "PLATFORM_SHARED_EXT=$PLATFORM_SHARED_EXT" >> build_config.mk
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echo "PLATFORM_SHARED_LDFLAGS=$PLATFORM_SHARED_LDFLAGS" >> build_config.mk
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@ -105,7 +105,8 @@ class SkipList {
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port::AtomicPointer max_height_; // Height of the entire list
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inline int GetMaxHeight() const {
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return reinterpret_cast<intptr_t>(max_height_.NoBarrier_Load());
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return static_cast<int>(
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reinterpret_cast<intptr_t>(max_height_.NoBarrier_Load()));
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}
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// Read/written only by Insert().
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@ -12,8 +12,9 @@
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namespace leveldb {
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// Update Makefile if you change these
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static const int kMajorVersion = 1;
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static const int kMinorVersion = 2;
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static const int kMinorVersion = 3;
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struct Options;
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struct ReadOptions;
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@ -54,6 +54,12 @@ class Status {
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// Returns true iff the status indicates a NotFound error.
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bool IsNotFound() const { return code() == kNotFound; }
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// Returns true iff the status indicates a Corruption error.
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bool IsCorruption() const { return code() == kCorruption; }
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// Returns true iff the status indicates an IOError.
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bool IsIOError() const { return code() == kIOError; }
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// Return a string representation of this status suitable for printing.
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// Returns the string "OK" for success.
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std::string ToString() const;
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