diff options
Diffstat (limited to 'src/leveldb/build_detect_platform')
| -rwxr-xr-x | src/leveldb/build_detect_platform | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/leveldb/build_detect_platform b/src/leveldb/build_detect_platform index d7edab1d87..4a94715900 100755 --- a/src/leveldb/build_detect_platform +++ b/src/leveldb/build_detect_platform @@ -63,6 +63,7 @@ PLATFORM_SHARED_EXT="so" PLATFORM_SHARED_LDFLAGS="-shared -Wl,-soname -Wl," PLATFORM_SHARED_CFLAGS="-fPIC" PLATFORM_SHARED_VERSIONED=true +PLATFORM_SSEFLAGS= MEMCMP_FLAG= if [ "$CXX" = "g++" ]; then @@ -77,6 +78,7 @@ case "$TARGET_OS" in COMMON_FLAGS="$MEMCMP_FLAG -lpthread -DOS_LINUX -DCYGWIN" PLATFORM_LDFLAGS="-lpthread" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; Darwin) PLATFORM=OS_MACOSX @@ -85,24 +87,28 @@ case "$TARGET_OS" in [ -z "$INSTALL_PATH" ] && INSTALL_PATH=`pwd` PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name $INSTALL_PATH/" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; Linux) PLATFORM=OS_LINUX COMMON_FLAGS="$MEMCMP_FLAG -pthread -DOS_LINUX" PLATFORM_LDFLAGS="-pthread" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; SunOS) PLATFORM=OS_SOLARIS COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_SOLARIS" PLATFORM_LIBS="-lpthread -lrt" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; FreeBSD) PLATFORM=OS_FREEBSD COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_FREEBSD" PLATFORM_LIBS="-lpthread" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; GNU/kFreeBSD) PLATFORM=OS_KFREEBSD @@ -115,24 +121,28 @@ case "$TARGET_OS" in COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_NETBSD" PLATFORM_LIBS="-lpthread -lgcc_s" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; OpenBSD) PLATFORM=OS_OPENBSD COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_OPENBSD" PLATFORM_LDFLAGS="-pthread" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; DragonFly) PLATFORM=OS_DRAGONFLYBSD COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_DRAGONFLYBSD" PLATFORM_LIBS="-lpthread" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc ;; OS_ANDROID_CROSSCOMPILE) PLATFORM=OS_ANDROID COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_ANDROID -DLEVELDB_PLATFORM_POSIX" PLATFORM_LDFLAGS="" # All pthread features are in the Android C library PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc CROSS_COMPILE=true ;; HP-UX) @@ -140,6 +150,7 @@ case "$TARGET_OS" in COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_HPUX" PLATFORM_LDFLAGS="-pthread" PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc # man ld: +h internal_name PLATFORM_SHARED_LDFLAGS="-shared -Wl,+h -Wl," ;; @@ -148,6 +159,7 @@ case "$TARGET_OS" in COMMON_FLAGS="$MEMCMP_FLAG -DOS_MACOSX" [ -z "$INSTALL_PATH" ] && INSTALL_PATH=`pwd` PORT_FILE=port/port_posix.cc + PORT_SSE_FILE=port/port_posix_sse.cc PLATFORM_SHARED_EXT= PLATFORM_SHARED_LDFLAGS= PLATFORM_SHARED_CFLAGS= @@ -182,7 +194,7 @@ set +f # re-enable globbing # The sources consist of the portable files, plus the platform-specific port # file. -echo "SOURCES=$PORTABLE_FILES $PORT_FILE" >> $OUTPUT +echo "SOURCES=$PORTABLE_FILES $PORT_FILE $PORT_SSE_FILE" >> $OUTPUT echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> $OUTPUT if [ "$CROSS_COMPILE" = "true" ]; then @@ -213,6 +225,21 @@ EOF fi rm -f $CXXOUTPUT 2>/dev/null + + # Test if gcc SSE 4.2 is supported + $CXX $CXXFLAGS -x c++ - -o $CXXOUTPUT -msse4.2 2>/dev/null <<EOF + int main() {} +EOF + if [ "$?" = 0 ]; then + PLATFORM_SSEFLAGS="-msse4.2" + fi + + rm -f $CXXOUTPUT 2>/dev/null +fi + +# Use the SSE 4.2 CRC32C intrinsics iff runtime checks indicate compiler supports them. +if [ -n "$PLATFORM_SSEFLAGS" ]; then + PLATFORM_SSEFLAGS="$PLATFORM_SSEFLAGS -DLEVELDB_PLATFORM_POSIX_SSE" fi PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS $COMMON_FLAGS" @@ -225,6 +252,7 @@ echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> $OUTPUT echo "PLATFORM_LIBS=$PLATFORM_LIBS" >> $OUTPUT echo "PLATFORM_CCFLAGS=$PLATFORM_CCFLAGS" >> $OUTPUT echo "PLATFORM_CXXFLAGS=$PLATFORM_CXXFLAGS" >> $OUTPUT +echo "PLATFORM_SSEFLAGS=$PLATFORM_SSEFLAGS" >> $OUTPUT echo "PLATFORM_SHARED_CFLAGS=$PLATFORM_SHARED_CFLAGS" >> $OUTPUT echo "PLATFORM_SHARED_EXT=$PLATFORM_SHARED_EXT" >> $OUTPUT echo "PLATFORM_SHARED_LDFLAGS=$PLATFORM_SHARED_LDFLAGS" >> $OUTPUT |