aboutsummaryrefslogtreecommitdiff
path: root/src/leveldb/build_detect_platform
diff options
context:
space:
mode:
Diffstat (limited to 'src/leveldb/build_detect_platform')
-rwxr-xr-xsrc/leveldb/build_detect_platform109
1 files changed, 59 insertions, 50 deletions
diff --git a/src/leveldb/build_detect_platform b/src/leveldb/build_detect_platform
index 566d1f83a4..609cb51224 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: $0 <output-filename> <directory_prefix>" >&2
exit 1
fi
@@ -50,85 +54,87 @@ CROSS_COMPILE=
PLATFORM_CCFLAGS=
PLATFORM_CXXFLAGS=
PLATFORM_LDFLAGS=
-PLATFORM_EXTRALIBS=
-PLATFORM_SOURCES=
+PLATFORM_LIBS=
PLATFORM_SHARED_EXT="so"
PLATFORM_SHARED_LDFLAGS="-shared -Wl,-soname -Wl,"
PLATFORM_SHARED_CFLAGS="-fPIC"
PLATFORM_SHARED_VERSIONED=true
-# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp
+MEMCMP_FLAG=
+if [ "$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="$MEMCMP_FLAG -D_REENTRANT -DOS_HPUX"
+ PLATFORM_LDFLAGS="-pthread"
+ PORT_FILE=port/port_posix.cc
+ # man ld: +h internal_name
+ PLATFORM_SHARED_LDFLAGS="-shared -Wl,+h -Wl,"
;;
- NATIVE_WINDOWS)
+ OS_WINDOWS_CROSSCOMPILE | NATIVE_WINDOWS)
PLATFORM=OS_WINDOWS
- COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_WINDOWS -DLEVELDB_PLATFORM_WINDOWS -DBOOST_THREAD_USE_LIB"
- PLATFORM_CXXFLAGS=""
- PLATFORM_LDFLAGS=""
- PLATFORM_SHARED_CFLAGS=""
- PLATFORM_SOURCES="port/port_win.cc util/env_boost.cc util/win_logger.cc"
- PLATFORM_EXTRALIBS="-lboost_system-mgw45-mt-s-1_50 -lboost_filesystem-mgw45-mt-s-1_50 -lboost_thread-mgw45-mt-s-1_50 -lboost_chrono-mgw45-mt-s-1_50"
+ COMMON_FLAGS="-fno-builtin-memcmp -D_REENTRANT -DOS_WINDOWS -DLEVELDB_PLATFORM_WINDOWS -DWINVER=0x0500 -D__USE_MINGW_ANSI_STDIO=1"
+ PLATFORM_SOURCES="util/env_win.cc"
+ PLATFORM_LIBS="-lshlwapi"
+ PORT_FILE=port/port_win.cc
CROSS_COMPILE=true
- ;;
+ ;;
*)
echo "Unknown platform!" >&2
exit 1
@@ -138,16 +144,19 @@ esac
# except for the test and benchmark files. By default, find will output a list
# of all files matching either rule, so we need to append -print to make the
# prune take effect.
-DIRS="util db table"
+DIRS="$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" " "`
+PRUNE_TOOL="-name leveldb_main.cc -prune"
+PORTABLE_FILES=`find $DIRS $PRUNE_TEST -o $PRUNE_BENCH -o $PRUNE_TOOL -o -name '*.cc' -print | sort | sed "s,^$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 +164,7 @@ 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
@@ -167,11 +176,11 @@ EOF
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 +191,9 @@ 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