diff options
Diffstat (limited to 'src/leveldb/build_detect_platform')
| -rwxr-xr-x | src/leveldb/build_detect_platform | 115 |
1 files changed, 63 insertions, 52 deletions
diff --git a/src/leveldb/build_detect_platform b/src/leveldb/build_detect_platform index 566d1f83a4..7cdb793a19 100755 --- a/src/leveldb/build_detect_platform +++ b/src/leveldb/build_detect_platform @@ -7,8 +7,11 @@ # CC C Compiler path # CXX C++ Compiler path # PLATFORM_LDFLAGS Linker flags +# PLATFORM_LIBS Libraries flags # PLATFORM_SHARED_EXT Extension for shared libraries # PLATFORM_SHARED_LDFLAGS Flags for building shared library +# This flag is embedded just before the name +# of the shared library without intervening spaces # PLATFORM_SHARED_CFLAGS Flags for compiling objects for shared library # PLATFORM_CCFLAGS C compiler flags # PLATFORM_CXXFLAGS C++ compiler flags. Will contain: @@ -23,8 +26,9 @@ # OUTPUT=$1 -if test -z "$OUTPUT"; then - echo "usage: $0 <output-filename>" >&2 +PREFIX=$2 +if test -z "$OUTPUT" || test -z "$PREFIX"; then + echo "usage: $0 <output-filename> <directory_prefix>" >&2 exit 1 fi @@ -50,85 +54,79 @@ CROSS_COMPILE= PLATFORM_CCFLAGS= PLATFORM_CXXFLAGS= PLATFORM_LDFLAGS= -PLATFORM_EXTRALIBS= -PLATFORM_SOURCES= +PLATFORM_LIBS= PLATFORM_SHARED_EXT="so" PLATFORM_SHARED_LDFLAGS="-shared -Wl,-soname -Wl," PLATFORM_SHARED_CFLAGS="-fPIC" PLATFORM_SHARED_VERSIONED=true -# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp +MEMCMP_FLAG= +if [ "$CXX" = "g++" ]; then + # Use libc's memcmp instead of GCC's memcmp. This results in ~40% + # performance improvement on readrandom under gcc 4.4.3 on Linux/x86. + MEMCMP_FLAG="-fno-builtin-memcmp" +fi + case "$TARGET_OS" in Darwin) PLATFORM=OS_MACOSX - COMMON_FLAGS="-fno-builtin-memcmp -DOS_MACOSX" + COMMON_FLAGS="$MEMCMP_FLAG -DOS_MACOSX" PLATFORM_SHARED_EXT=dylib - PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name " - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + [ -z "$INSTALL_PATH" ] && INSTALL_PATH=`pwd` + PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name $INSTALL_PATH/" + PORT_FILE=port/port_posix.cc ;; Linux) PLATFORM=OS_LINUX - COMMON_FLAGS="-fno-builtin-memcmp -pthread -DOS_LINUX" + COMMON_FLAGS="$MEMCMP_FLAG -pthread -DOS_LINUX" PLATFORM_LDFLAGS="-pthread" - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + PORT_FILE=port/port_posix.cc ;; SunOS) PLATFORM=OS_SOLARIS - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_SOLARIS" - PLATFORM_LDFLAGS="-lpthread -lrt" - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_SOLARIS" + PLATFORM_LIBS="-lpthread -lrt" + PORT_FILE=port/port_posix.cc ;; FreeBSD) PLATFORM=OS_FREEBSD - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_FREEBSD" - PLATFORM_LDFLAGS="-lpthread" - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_FREEBSD" + PLATFORM_LIBS="-lpthread" + PORT_FILE=port/port_posix.cc ;; NetBSD) PLATFORM=OS_NETBSD - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_NETBSD" - PLATFORM_LDFLAGS="-lpthread -lgcc_s" - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_NETBSD" + PLATFORM_LIBS="-lpthread -lgcc_s" + PORT_FILE=port/port_posix.cc ;; OpenBSD) PLATFORM=OS_OPENBSD - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_OPENBSD" + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_OPENBSD" PLATFORM_LDFLAGS="-pthread" - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + PORT_FILE=port/port_posix.cc ;; DragonFly) PLATFORM=OS_DRAGONFLYBSD - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_DRAGONFLYBSD" - PLATFORM_LDFLAGS="-lpthread" - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_DRAGONFLYBSD" + PLATFORM_LIBS="-lpthread" + PORT_FILE=port/port_posix.cc ;; OS_ANDROID_CROSSCOMPILE) PLATFORM=OS_ANDROID - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_ANDROID -DLEVELDB_PLATFORM_POSIX" + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_ANDROID -DLEVELDB_PLATFORM_POSIX" PLATFORM_LDFLAGS="" # All pthread features are in the Android C library - PLATFORM_SOURCES="port/port_posix.cc util/env_posix.cc" + PORT_FILE=port/port_posix.cc CROSS_COMPILE=true ;; - OS_WINDOWS_CROSSCOMPILE) - PLATFORM=OS_WINDOWS - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_WINDOWS -DLEVELDB_PLATFORM_WINDOWS -DBOOST_THREAD_USE_LIB" - PLATFORM_CXXFLAGS="" - PLATFORM_LDFLAGS="" - PLATFORM_SHARED_CFLAGS="" - PLATFORM_SOURCES="port/port_win.cc util/env_boost.cc util/win_logger.cc" - PLATFORM_EXTRALIBS="-lboost_system-mt-s -lboost_filesystem-mt-s -lboost_thread_win32-mt-s" - CROSS_COMPILE=true + HP-UX) + PLATFORM=OS_HPUX + COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_HPUX" + PLATFORM_LDFLAGS="-pthread" + PORT_FILE=port/port_posix.cc + # man ld: +h internal_name + PLATFORM_SHARED_LDFLAGS="-shared -Wl,+h -Wl," ;; - NATIVE_WINDOWS) - PLATFORM=OS_WINDOWS - COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_WINDOWS -DLEVELDB_PLATFORM_WINDOWS -DBOOST_THREAD_USE_LIB" - PLATFORM_CXXFLAGS="" - PLATFORM_LDFLAGS="" - PLATFORM_SHARED_CFLAGS="" - PLATFORM_SOURCES="port/port_win.cc util/env_boost.cc util/win_logger.cc" - PLATFORM_EXTRALIBS="-lboost_system-mgw45-mt-s-1_50 -lboost_filesystem-mgw45-mt-s-1_50 -lboost_thread-mgw45-mt-s-1_50 -lboost_chrono-mgw45-mt-s-1_50" - CROSS_COMPILE=true - ;; *) echo "Unknown platform!" >&2 exit 1 @@ -138,16 +136,18 @@ esac # except for the test and benchmark files. By default, find will output a list # of all files matching either rule, so we need to append -print to make the # prune take effect. -DIRS="util db table" +DIRS="$PREFIX/db $PREFIX/util $PREFIX/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' -not -name 'env_*.cc' -not -name '*_logger.cc' -print | sort | tr "\n" " "` +PORTABLE_FILES=`find $DIRS $PRUNE_TEST -o $PRUNE_BENCH -o -name '*.cc' -print | sort | sed "s,^$PREFIX/,," | tr "\n" " "` + set +f # re-enable globbing # The sources consist of the portable files, plus the platform-specific port # file. -echo "SOURCES=$PORTABLE_FILES $PLATFORM_SOURCES" >> $OUTPUT +echo "SOURCES=$PORTABLE_FILES $PORT_FILE" >> $OUTPUT echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> $OUTPUT if [ "$CROSS_COMPILE" = "true" ]; then @@ -155,7 +155,7 @@ if [ "$CROSS_COMPILE" = "true" ]; then true else # If -std=c++0x works, use <cstdatomic>. Otherwise use port_posix.h. - $CXX $CFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null <<EOF + $CXX $CXXFLAGS -std=c++0x -x c++ - -o /dev/null 2>/dev/null <<EOF #include <cstdatomic> int main() {} EOF @@ -166,12 +166,23 @@ EOF COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX" fi + # Test whether Snappy library is installed + # http://code.google.com/p/snappy/ + $CXX $CXXFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF + #include <snappy.h> + int main() {} +EOF + if [ "$?" = 0 ]; then + COMMON_FLAGS="$COMMON_FLAGS -DSNAPPY" + PLATFORM_LIBS="$PLATFORM_LIBS -lsnappy" + fi + # Test whether tcmalloc is available - $CXX $CFLAGS -x c++ - -o /dev/null -ltcmalloc 2>/dev/null <<EOF + $CXX $CXXFLAGS -x c++ - -o /dev/null -ltcmalloc 2>/dev/null <<EOF int main() {} EOF if [ "$?" = 0 ]; then - PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -ltcmalloc" + PLATFORM_LIBS="$PLATFORM_LIBS -ltcmalloc" fi fi @@ -182,9 +193,9 @@ echo "CC=$CC" >> $OUTPUT echo "CXX=$CXX" >> $OUTPUT echo "PLATFORM=$PLATFORM" >> $OUTPUT echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> $OUTPUT +echo "PLATFORM_LIBS=$PLATFORM_LIBS" >> $OUTPUT echo "PLATFORM_CCFLAGS=$PLATFORM_CCFLAGS" >> $OUTPUT echo "PLATFORM_CXXFLAGS=$PLATFORM_CXXFLAGS" >> $OUTPUT -echo "PLATFORM_EXTRALIBS=$PLATFORM_EXTRALIBS" >> $OUTPUT echo "PLATFORM_SHARED_CFLAGS=$PLATFORM_SHARED_CFLAGS" >> $OUTPUT echo "PLATFORM_SHARED_EXT=$PLATFORM_SHARED_EXT" >> $OUTPUT echo "PLATFORM_SHARED_LDFLAGS=$PLATFORM_SHARED_LDFLAGS" >> $OUTPUT |