(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 rulesmain
Sanjay Ghemawat
13 years ago
parent
9013f13b15
commit
a1ad4d1995
@ -1,93 +1,145 @@ |
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#!/bin/sh |
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|
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# |
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# Detects OS we're compiling on and generates build_config.mk, |
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# which in turn gets read while processing Makefile. |
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# |
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# build_config.mk will set the following variables: |
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# - PORT_CFLAGS will either set: |
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# -DLEVELDB_PLATFORM_POSIX if cstatomic is present |
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# PLATFORM_LDFLAGS Linker flags |
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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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# -DLEVELDB_PLATFORM_NOATOMIC if it is not |
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# - PLATFORM_CFLAGS with compiler flags for the platform |
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# - PLATFORM_LDFLAGS with linker flags for the platform |
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SCRIPT_DIR=`dirname $0` |
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# Delete existing build_config.mk |
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rm -f build_config.mk |
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touch build_config.mk |
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if test -z "$CXX"; then |
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CXX=g++ |
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fi |
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|
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# Detect OS |
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case `uname -s` in |
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if test -z "$TARGET_OS"; then |
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TARGET_OS=`uname -s` |
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fi |
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COMMON_FLAGS= |
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PLATFORM_CCFLAGS= |
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PLATFORM_CXXFLAGS= |
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PLATFORM_LDFLAGS= |
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|
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# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp |
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case "$TARGET_OS" in |
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Darwin) |
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PLATFORM=OS_MACOSX |
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echo "PLATFORM_CFLAGS=-DOS_MACOSX" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -DOS_MACOSX" |
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PORT_FILE=port/port_posix.cc |
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;; |
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Linux) |
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PLATFORM=OS_LINUX |
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echo "PLATFORM_CFLAGS=-pthread -DOS_LINUX" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=-pthread" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -pthread -DOS_LINUX" |
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PLATFORM_LDFLAGS="-pthread" |
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PORT_FILE=port/port_posix.cc |
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;; |
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SunOS) |
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PLATFORM=OS_SOLARIS |
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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_SOLARIS" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=-lpthread -lrt" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_SOLARIS" |
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PLATFORM_LDFLAGS="-lpthread -lrt" |
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PORT_FILE=port/port_posix.cc |
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;; |
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FreeBSD) |
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PLATFORM=OS_FREEBSD |
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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_FREEBSD" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=-lpthread" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_FREEBSD" |
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PLATFORM_LDFLAGS="-lpthread" |
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PORT_FILE=port/port_posix.cc |
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;; |
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NetBSD) |
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PLATFORM=OS_NETBSD |
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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_NETBSD" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=-lpthread -lgcc_s" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_NETBSD" |
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PLATFORM_LDFLAGS="-lpthread -lgcc_s" |
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PORT_FILE=port/port_posix.cc |
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;; |
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OpenBSD) |
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PLATFORM=OS_OPENBSD |
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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_OPENBSD" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=-pthread" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_OPENBSD" |
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PLATFORM_LDFLAGS="-pthread" |
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PORT_FILE=port/port_posix.cc |
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;; |
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DragonFly) |
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PLATFORM=OS_DRAGONFLYBSD |
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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_DRAGONFLYBSD" >> build_config.mk |
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echo "PLATFORM_LDFLAGS=-lpthread" >> build_config.mk |
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COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_DRAGONFLYBSD" |
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PLATFORM_LDFLAGS="-lpthread" |
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PORT_FILE=port/port_posix.cc |
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;; |
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OS_ANDROID_CROSSCOMPILE) |
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PLATFORM="$TARGET_OS" |
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COMMON_FLAGS="" |
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PLATFORM_LDFLAGS="" |
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PORT_FILE=port/port_android.cc |
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;; |
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*) |
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echo "Unknown platform!" |
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exit 1 |
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esac |
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echo "PLATFORM=$PLATFORM" >> build_config.mk |
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# We want to make a list of all cc files within util, db, table, and helpers |
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# except for the test and benchmark files. By default, find will output a list |
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# of all files matching either rule, so we need to append -print to make the |
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# prune take effect. |
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DIRS="$SCRIPT_DIR/util $SCRIPT_DIR/db $SCRIPT_DIR/table" |
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set -f # temporarily disable globbing so that our patterns aren't expanded |
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PRUNE_TEST="-name *test*.cc -prune" |
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PRUNE_BENCH="-name *_bench.cc -prune" |
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PORTABLE_FILES=`find $DIRS $PRUNE_TEST -o $PRUNE_BENCH -o -name '*.cc' -print | sort | tr "\n" " "` |
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set +f # re-enable globbing |
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# On GCC, use libc's memcmp, not GCC's memcmp |
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PORT_CFLAGS="-fno-builtin-memcmp" |
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# The sources consist of the portable files, plus the platform-specific port |
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# file. |
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echo "SOURCES=$PORTABLE_FILES $PORT_FILE" >> build_config.mk |
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echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> build_config.mk |
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# Detect C++0x -- this determines whether we'll use port_noatomic.h |
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# or port_posix.h by: |
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# 1. Rrying to compile with -std=c++0x and including <cstdatomic>. |
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# 2. If $CXX returns error code, we know to use port_posix.h |
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$CXX $CFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null <<EOF |
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if [ "$PLATFORM" = "OS_ANDROID_CROSSCOMPILE" ]; then |
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# Cross-compiling; do not try any compilation tests. |
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true |
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else |
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# If -std=c++0x works, use <cstdatomic>. Otherwise use port_posix.h. |
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$CXX $CFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null <<EOF |
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#include <cstdatomic> |
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int main() {} |
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EOF |
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if [ "$?" = 0 ]; then |
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PORT_CFLAGS="$PORT_CFLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_CSTDATOMIC_PRESENT -std=c++0x" |
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else |
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PORT_CFLAGS="$PORT_CFLAGS -DLEVELDB_PLATFORM_POSIX" |
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fi |
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if [ "$?" = 0 ]; then |
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COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_CSTDATOMIC_PRESENT" |
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PLATFORM_CXXFLAGS="-std=c++0x" |
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else |
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COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX" |
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fi |
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# Test whether Snappy library is installed |
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# http://code.google.com/p/snappy/ |
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$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF |
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# Test whether Snappy library is installed |
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# http://code.google.com/p/snappy/ |
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$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF |
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#include <snappy.h> |
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int main() {} |
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EOF |
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if [ "$?" = 0 ]; then |
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echo "SNAPPY=1" >> build_config.mk |
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else |
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echo "SNAPPY=0" >> build_config.mk |
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if [ "$?" = 0 ]; then |
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COMMON_FLAGS="$COMMON_FLAGS -DSNAPPY" |
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lsnappy" |
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fi |
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# Test whether tcmalloc is available |
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$CXX $CFLAGS -x c++ - -o /dev/null -ltcmalloc 2>/dev/null <<EOF |
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int main() {} |
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EOF |
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if [ "$?" = 0 ]; then |
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -ltcmalloc" |
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fi |
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fi |
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echo "PORT_CFLAGS=$PORT_CFLAGS" >> build_config.mk |
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PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS $COMMON_FLAGS" |
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PLATFORM_CXXFLAGS="$PLATFORM_CXXFLAGS $COMMON_FLAGS" |
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echo "PLATFORM=$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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