From a1ad4d1995dc8efeb0d3d7a40b8bb63c9b7c8259 Mon Sep 17 00:00:00 2001 From: Sanjay Ghemawat Date: Wed, 21 Mar 2012 10:28:03 -0700 Subject: [PATCH] Build fixes and cleanups: (1) Separate out C++ and CC flags (fixes c_test compilation) (2) Move snappy/perftools detection to script (3) Fix db_bench_sqlite3 and db_bench_tree_db build rules --- Makefile | 79 ++++----------------- build_detect_platform | 158 ++++++++++++++++++++++++++++-------------- port/port_android.h | 2 +- 3 files changed, 120 insertions(+), 119 deletions(-) diff --git a/Makefile b/Makefile index c284d4c8b..2858c6ec2 100644 --- a/Makefile +++ b/Makefile @@ -16,67 +16,16 @@ OPT ?= -O2 -DNDEBUG # (A) Production use (optimized mode) # detect what platform we're building on $(shell sh ./build_detect_platform) -# this file is generated by build_detect_platform to set build flags +# this file is generated by build_detect_platform to set build flags and sources include build_config.mk -# If Snappy is installed, add compilation and linker flags -# (see http://code.google.com/p/snappy/) -ifeq ($(SNAPPY), 1) -SNAPPY_CFLAGS=-DSNAPPY -SNAPPY_LDFLAGS=-lsnappy -else -SNAPPY_CFLAGS= -SNAPPY_LDFLAGS= -endif +CFLAGS += -c -I. -I./include $(PLATFORM_CCFLAGS) $(OPT) +CXXFLAGS += -c -I. -I./include $(PLATFORM_CXXFLAGS) $(OPT) -# If Google Perf Tools are installed, add compilation and linker flags -# (see http://code.google.com/p/google-perftools/) -ifeq ($(GOOGLE_PERFTOOLS), 1) -GOOGLE_PERFTOOLS_LDFLAGS=-ltcmalloc -else -GOOGLE_PERFTOOLS_LDFLAGS= -endif +LDFLAGS += $(PLATFORM_LDFLAGS) -CFLAGS = -c -I. -I./include $(PORT_CFLAGS) $(PLATFORM_CFLAGS) $(OPT) $(SNAPPY_CFLAGS) - -LDFLAGS += $(PLATFORM_LDFLAGS) $(SNAPPY_LDFLAGS) $(GOOGLE_PERFTOOLS_LDFLAGS) - -LIBOBJECTS = \ - ./db/builder.o \ - ./db/c.o \ - ./db/db_impl.o \ - ./db/db_iter.o \ - ./db/filename.o \ - ./db/dbformat.o \ - ./db/log_reader.o \ - ./db/log_writer.o \ - ./db/memtable.o \ - ./db/repair.o \ - ./db/table_cache.o \ - ./db/version_edit.o \ - ./db/version_set.o \ - ./db/write_batch.o \ - ./port/port_posix.o \ - ./table/block.o \ - ./table/block_builder.o \ - ./table/format.o \ - ./table/iterator.o \ - ./table/merger.o \ - ./table/table.o \ - ./table/table_builder.o \ - ./table/two_level_iterator.o \ - ./util/arena.o \ - ./util/cache.o \ - ./util/coding.o \ - ./util/comparator.o \ - ./util/crc32c.o \ - ./util/env.o \ - ./util/env_posix.o \ - ./util/hash.o \ - ./util/histogram.o \ - ./util/logging.o \ - ./util/options.o \ - ./util/status.o +LIBOBJECTS = $(SOURCES:.cc=.o) +MEMENVOBJECTS = $(MEMENV_SOURCES:.cc=.o) TESTUTIL = ./util/testutil.o TESTHARNESS = ./util/testharness.o $(TESTUTIL) @@ -121,13 +70,13 @@ $(LIBRARY): $(LIBOBJECTS) $(AR) -rs $@ $(LIBOBJECTS) db_bench: db/db_bench.o $(LIBOBJECTS) $(TESTUTIL) - $(CXX) $(LDFLAGS) db/db_bench.o $(LIBOBJECTS) $(TESTUTIL) -o $@ + $(CXX) db/db_bench.o $(LIBOBJECTS) $(TESTUTIL) -o $@ $(LDFLAGS) db_bench_sqlite3: doc/bench/db_bench_sqlite3.o $(LIBOBJECTS) $(TESTUTIL) - $(CXX) -lsqlite3 doc/bench/db_bench_sqlite3.o $(LIBOBJECTS) $(TESTUTIL) -o $@ $(LDFLAGS + $(CXX) doc/bench/db_bench_sqlite3.o $(LIBOBJECTS) $(TESTUTIL) -o $@ $(LDFLAGS) -lsqlite3 db_bench_tree_db: doc/bench/db_bench_tree_db.o $(LIBOBJECTS) $(TESTUTIL) - $(CXX) $(LDFLAGS) -lkyotocabinet doc/bench/db_bench_tree_db.o $(LIBOBJECTS) $(TESTUTIL) -o $@ + $(CXX) doc/bench/db_bench_tree_db.o $(LIBOBJECTS) $(TESTUTIL) -o $@ $(LDFLAGS) -lkyotocabinet arena_test: util/arena_test.o $(LIBOBJECTS) $(TESTHARNESS) $(CXX) util/arena_test.o $(LIBOBJECTS) $(TESTHARNESS) -o $@ $(LDFLAGS) @@ -177,9 +126,9 @@ version_set_test: db/version_set_test.o $(LIBOBJECTS) $(TESTHARNESS) write_batch_test: db/write_batch_test.o $(LIBOBJECTS) $(TESTHARNESS) $(CXX) db/write_batch_test.o $(LIBOBJECTS) $(TESTHARNESS) -o $@ $(LDFLAGS) -$(MEMENVLIBRARY) : helpers/memenv/memenv.o +$(MEMENVLIBRARY) : $(MEMENVOBJECTS) rm -f $@ - $(AR) -rs $@ helpers/memenv/memenv.o + $(AR) -rs $@ $(MEMENVOBJECTS) memenv_test : helpers/memenv/memenv_test.o $(MEMENVLIBRARY) $(LIBRARY) $(TESTHARNESS) $(CXX) helpers/memenv/memenv_test.o $(MEMENVLIBRARY) $(LIBRARY) $(TESTHARNESS) -o $@ $(LDFLAGS) @@ -193,9 +142,9 @@ IOSVERSION=$(shell defaults read /Developer/Platforms/iPhoneOS.platform/version .cc.o: mkdir -p ios-x86/$(dir $@) - $(SIMULATORROOT)/usr/bin/$(CXX) $(CFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 $< -o ios-x86/$@ + $(SIMULATORROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(SIMULATORROOT)/SDKs/iPhoneSimulator$(IOSVERSION).sdk -arch i686 $< -o ios-x86/$@ mkdir -p ios-arm/$(dir $@) - $(DEVICEROOT)/usr/bin/$(CXX) $(CFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 $< -o ios-arm/$@ + $(DEVICEROOT)/usr/bin/$(CXX) $(CXXFLAGS) -isysroot $(DEVICEROOT)/SDKs/iPhoneOS$(IOSVERSION).sdk -arch armv6 -arch armv7 $< -o ios-arm/$@ lipo ios-x86/$@ ios-arm/$@ -create -output $@ .c.o: @@ -207,7 +156,7 @@ IOSVERSION=$(shell defaults read /Developer/Platforms/iPhoneOS.platform/version else .cc.o: - $(CXX) $(CFLAGS) $< -o $@ + $(CXX) $(CXXFLAGS) $< -o $@ .c.o: $(CC) $(CFLAGS) $< -o $@ diff --git a/build_detect_platform b/build_detect_platform index 5f9e02187..df85264dc 100644 --- a/build_detect_platform +++ b/build_detect_platform @@ -1,93 +1,145 @@ #!/bin/sh - +# # Detects OS we're compiling on and generates build_config.mk, # which in turn gets read while processing Makefile. - +# # build_config.mk will set the following variables: -# - PORT_CFLAGS will either set: -# -DLEVELDB_PLATFORM_POSIX if cstatomic is present -# -DLEVELDB_PLATFORM_NOATOMIC if it is not -# - PLATFORM_CFLAGS with compiler flags for the platform -# - PLATFORM_LDFLAGS with linker flags for the platform +# PLATFORM_LDFLAGS Linker flags +# PLATFORM_CCFLAGS C compiler flags +# PLATFORM_CXXFLAGS C++ compiler flags. Will contain: +# -DLEVELDB_PLATFORM_POSIX if cstdatomic is present +# -DLEVELDB_PLATFORM_NOATOMIC if it is not + +SCRIPT_DIR=`dirname $0` # Delete existing build_config.mk rm -f build_config.mk +touch build_config.mk if test -z "$CXX"; then CXX=g++ fi # Detect OS -case `uname -s` in +if test -z "$TARGET_OS"; then + TARGET_OS=`uname -s` +fi + +COMMON_FLAGS= +PLATFORM_CCFLAGS= +PLATFORM_CXXFLAGS= +PLATFORM_LDFLAGS= + +# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp +case "$TARGET_OS" in Darwin) PLATFORM=OS_MACOSX - echo "PLATFORM_CFLAGS=-DOS_MACOSX" >> build_config.mk - echo "PLATFORM_LDFLAGS=" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -DOS_MACOSX" + PORT_FILE=port/port_posix.cc ;; Linux) PLATFORM=OS_LINUX - echo "PLATFORM_CFLAGS=-pthread -DOS_LINUX" >> build_config.mk - echo "PLATFORM_LDFLAGS=-pthread" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -pthread -DOS_LINUX" + PLATFORM_LDFLAGS="-pthread" + PORT_FILE=port/port_posix.cc ;; SunOS) PLATFORM=OS_SOLARIS - echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_SOLARIS" >> build_config.mk - echo "PLATFORM_LDFLAGS=-lpthread -lrt" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_SOLARIS" + PLATFORM_LDFLAGS="-lpthread -lrt" + PORT_FILE=port/port_posix.cc ;; FreeBSD) PLATFORM=OS_FREEBSD - echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_FREEBSD" >> build_config.mk - echo "PLATFORM_LDFLAGS=-lpthread" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_FREEBSD" + PLATFORM_LDFLAGS="-lpthread" + PORT_FILE=port/port_posix.cc ;; NetBSD) PLATFORM=OS_NETBSD - echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_NETBSD" >> build_config.mk - echo "PLATFORM_LDFLAGS=-lpthread -lgcc_s" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_NETBSD" + PLATFORM_LDFLAGS="-lpthread -lgcc_s" + PORT_FILE=port/port_posix.cc ;; OpenBSD) PLATFORM=OS_OPENBSD - echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_OPENBSD" >> build_config.mk - echo "PLATFORM_LDFLAGS=-pthread" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_OPENBSD" + PLATFORM_LDFLAGS="-pthread" + PORT_FILE=port/port_posix.cc ;; DragonFly) PLATFORM=OS_DRAGONFLYBSD - echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_DRAGONFLYBSD" >> build_config.mk - echo "PLATFORM_LDFLAGS=-lpthread" >> build_config.mk + COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_DRAGONFLYBSD" + PLATFORM_LDFLAGS="-lpthread" + PORT_FILE=port/port_posix.cc + ;; + OS_ANDROID_CROSSCOMPILE) + PLATFORM="$TARGET_OS" + COMMON_FLAGS="" + PLATFORM_LDFLAGS="" + PORT_FILE=port/port_android.cc ;; *) echo "Unknown platform!" exit 1 esac +# We want to make a list of all cc files within util, db, table, and helpers +# except for the test and benchmark files. By default, find will output a list +# of all files matching either rule, so we need to append -print to make the +# prune take effect. +DIRS="$SCRIPT_DIR/util $SCRIPT_DIR/db $SCRIPT_DIR/table" +set -f # temporarily disable globbing so that our patterns aren't expanded +PRUNE_TEST="-name *test*.cc -prune" +PRUNE_BENCH="-name *_bench.cc -prune" +PORTABLE_FILES=`find $DIRS $PRUNE_TEST -o $PRUNE_BENCH -o -name '*.cc' -print | sort | tr "\n" " "` +set +f # re-enable globbing + +# The sources consist of the portable files, plus the platform-specific port +# file. +echo "SOURCES=$PORTABLE_FILES $PORT_FILE" >> build_config.mk +echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> build_config.mk + +if [ "$PLATFORM" = "OS_ANDROID_CROSSCOMPILE" ]; then + # Cross-compiling; do not try any compilation tests. + true +else + # If -std=c++0x works, use . Otherwise use port_posix.h. + $CXX $CFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null < + int main() {} +EOF + if [ "$?" = 0 ]; then + COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_CSTDATOMIC_PRESENT" + PLATFORM_CXXFLAGS="-std=c++0x" + else + COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX" + fi + + # Test whether Snappy library is installed + # http://code.google.com/p/snappy/ + $CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null < + int main() {} +EOF + if [ "$?" = 0 ]; then + COMMON_FLAGS="$COMMON_FLAGS -DSNAPPY" + PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lsnappy" + fi + + # Test whether tcmalloc is available + $CXX $CFLAGS -x c++ - -o /dev/null -ltcmalloc 2>/dev/null <> build_config.mk - -# On GCC, use libc's memcmp, not GCC's memcmp -PORT_CFLAGS="-fno-builtin-memcmp" - -# Detect C++0x -- this determines whether we'll use port_noatomic.h -# or port_posix.h by: -# 1. Rrying to compile with -std=c++0x and including . -# 2. If $CXX returns error code, we know to use port_posix.h -$CXX $CFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null < - int main() {} -EOF -if [ "$?" = 0 ]; then - PORT_CFLAGS="$PORT_CFLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_CSTDATOMIC_PRESENT -std=c++0x" -else - PORT_CFLAGS="$PORT_CFLAGS -DLEVELDB_PLATFORM_POSIX" -fi - -# Test whether Snappy library is installed -# http://code.google.com/p/snappy/ -$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null < - int main() {} -EOF -if [ "$?" = 0 ]; then - echo "SNAPPY=1" >> build_config.mk -else - echo "SNAPPY=0" >> build_config.mk -fi - -echo "PORT_CFLAGS=$PORT_CFLAGS" >> build_config.mk +echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> build_config.mk +echo "PLATFORM_CCFLAGS=$PLATFORM_CCFLAGS" >> build_config.mk +echo "PLATFORM_CXXFLAGS=$PLATFORM_CXXFLAGS" >> build_config.mk diff --git a/port/port_android.h b/port/port_android.h index 64cdcbf0f..92f009028 100644 --- a/port/port_android.h +++ b/port/port_android.h @@ -10,7 +10,7 @@ #include #include #include -#include +#include #include #include