diff options
Diffstat (limited to 'build_detect_platform')
| -rwxr-xr-x | build_detect_platform | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/build_detect_platform b/build_detect_platform deleted file mode 100755 index 82d73a6..0000000 --- a/build_detect_platform +++ /dev/null @@ -1,262 +0,0 @@ -#!/bin/sh -# -# Detects OS we're compiling on and outputs a file specified by the first -# argument, which in turn gets read while processing Makefile. -# -# The output will set the following variables: -# 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: -# PLATFORM_SHARED_VERSIONED Set to 'true' if platform supports versioned -# shared libraries, empty otherwise. -# -# The PLATFORM_CCFLAGS and PLATFORM_CXXFLAGS might include the following: -# -# -DLEVELDB_ATOMIC_PRESENT if <atomic> is present -# -DLEVELDB_PLATFORM_POSIX=1 for Posix-based platforms -# -DHAVE_CRC32C=1 if the CRC32C library is present -# -DHAVE_SNAPPY=1 if the Snappy library is present -# - -OUTPUT=$1 -PREFIX=$2 -if test -z "$OUTPUT" || test -z "$PREFIX"; then - echo "usage: $0 <output-filename> <directory_prefix>" >&2 - exit 1 -fi - -# Delete existing output, if it exists -rm -f $OUTPUT -touch $OUTPUT - -if test -z "$CC"; then - CC=cc -fi - -if test -z "$CXX"; then - CXX=g++ -fi - -if test -z "$TMPDIR"; then - TMPDIR=/tmp -fi - -# Detect OS -if test -z "$TARGET_OS"; then - TARGET_OS=`uname -s` -fi - -COMMON_FLAGS= -CROSS_COMPILE= -PLATFORM_CCFLAGS= -PLATFORM_CXXFLAGS= -PLATFORM_LDFLAGS= -PLATFORM_LIBS= -PLATFORM_SHARED_EXT="so" -PLATFORM_SHARED_LDFLAGS="-shared -Wl,-soname -Wl," -PLATFORM_SHARED_CFLAGS="-fPIC -fvisibility=hidden" -PLATFORM_SHARED_VERSIONED=true - -MEMCMP_FLAG= -if [ "$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 "$TARGET_OS" in - CYGWIN_*) - PLATFORM=OS_LINUX - COMMON_FLAGS="$MEMCMP_FLAG -lpthread -DOS_LINUX -DCYGWIN" - PLATFORM_LDFLAGS="-lpthread" - PORT_FILE=port/port_posix.cc - ;; - Darwin) - PLATFORM=OS_MACOSX - COMMON_FLAGS="$MEMCMP_FLAG" - PLATFORM_SHARED_EXT=dylib - [ -z "$INSTALL_PATH" ] && INSTALL_PATH=`pwd` - PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name $INSTALL_PATH/" - PORT_FILE=port/port_posix.cc - ;; - Linux) - PLATFORM=OS_LINUX - COMMON_FLAGS="$MEMCMP_FLAG -pthread -DOS_LINUX" - PLATFORM_LDFLAGS="-pthread" - PORT_FILE=port/port_posix.cc - ;; - SunOS) - PLATFORM=OS_SOLARIS - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_SOLARIS" - PLATFORM_LIBS="-lpthread -lrt" - PORT_FILE=port/port_posix.cc - ;; - FreeBSD) - PLATFORM=OS_FREEBSD - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_FREEBSD" - PLATFORM_LIBS="-lpthread" - PORT_FILE=port/port_posix.cc - ;; - NetBSD) - PLATFORM=OS_NETBSD - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_NETBSD" - PLATFORM_LIBS="-lpthread -lgcc_s" - PORT_FILE=port/port_posix.cc - ;; - OpenBSD) - PLATFORM=OS_OPENBSD - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_OPENBSD" - PLATFORM_LDFLAGS="-pthread" - PORT_FILE=port/port_posix.cc - ;; - DragonFly) - PLATFORM=OS_DRAGONFLYBSD - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_DRAGONFLYBSD" - PLATFORM_LIBS="-lpthread" - PORT_FILE=port/port_posix.cc - ;; - OS_ANDROID_CROSSCOMPILE) - PLATFORM=OS_ANDROID - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_ANDROID -DLEVELDB_PLATFORM_POSIX=1" - PLATFORM_LDFLAGS="" # All pthread features are in the Android C library - PORT_FILE=port/port_posix.cc - CROSS_COMPILE=true - ;; - HP-UX) - PLATFORM=OS_HPUX - COMMON_FLAGS="$MEMCMP_FLAG -D_REENTRANT -DOS_HPUX" - PLATFORM_LDFLAGS="-pthread" - PORT_FILE=port/port_posix.cc - # man ld: +h internal_name - PLATFORM_SHARED_LDFLAGS="-shared -Wl,+h -Wl," - ;; - IOS) - PLATFORM=IOS - COMMON_FLAGS="$MEMCMP_FLAG" - [ -z "$INSTALL_PATH" ] && INSTALL_PATH=`pwd` - PORT_FILE=port/port_posix.cc - PLATFORM_SHARED_EXT= - PLATFORM_SHARED_LDFLAGS= - PLATFORM_SHARED_CFLAGS= - PLATFORM_SHARED_VERSIONED= - ;; - *) - echo "Unknown platform!" >&2 - exit 1 -esac - -# We want to make a list of all cc files within util, db, table, and helpers -# except for the test and benchmark files. By default, find will output a list -# of all files matching either rule, so we need to append -print to make the -# prune take effect. -DIRS="$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" -PRUNE_TOOL="-name leveldbutil.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 $PORT_FILE" >> $OUTPUT -echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> $OUTPUT - -if [ "$CROSS_COMPILE" = "true" ]; then - # Cross-compiling; do not try any compilation tests. - true -else - CXXOUTPUT="${TMPDIR}/leveldb_build_detect_platform-cxx.$$" - - # If -std=c++0x works, use <atomic> as fallback for when memory barriers - # are not available. - $CXX $CXXFLAGS -std=c++0x -x c++ - -o $CXXOUTPUT 2>/dev/null <<EOF - #include <atomic> - int main() {} -EOF - if [ "$?" = 0 ]; then - COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX=1 -DLEVELDB_ATOMIC_PRESENT" - PLATFORM_CXXFLAGS="-std=c++0x" - else - COMMON_FLAGS="$COMMON_FLAGS -DLEVELDB_PLATFORM_POSIX=1" - fi - - # Test whether CRC32C library is installed - # https://github.com/google/crc32c - $CXX $CXXFLAGS -x c++ - -o $CXXOUTPUT 2>/dev/null <<EOF - #include <crc32c/crc32c.h> - int main() {} -EOF - if [ "$?" = 0 ]; then - COMMON_FLAGS="$COMMON_FLAGS -DHAVE_CRC32C=1" - PLATFORM_LIBS="$PLATFORM_LIBS -lcrc32c" - else - COMMON_FLAGS="$COMMON_FLAGS -DHAVE_CRC32C=0" - fi - - # Test whether Snappy library is installed - # https://github.com/google/snappy - $CXX $CXXFLAGS -x c++ - -o $CXXOUTPUT 2>/dev/null <<EOF - #include <snappy.h> - int main() {} -EOF - if [ "$?" = 0 ]; then - COMMON_FLAGS="$COMMON_FLAGS -DHAVE_SNAPPY=1" - PLATFORM_LIBS="$PLATFORM_LIBS -lsnappy" - else - COMMON_FLAGS="$COMMON_FLAGS -DHAVE_SNAPPY=0" - fi - - # Test whether tcmalloc is available - $CXX $CXXFLAGS -x c++ - -o $CXXOUTPUT -ltcmalloc 2>/dev/null <<EOF - int main() {} -EOF - if [ "$?" = 0 ]; then - PLATFORM_LIBS="$PLATFORM_LIBS -ltcmalloc" - fi - - # Test whether -Wthread-safety is available. See - # https://clang.llvm.org/docs/ThreadSafetyAnalysis.html - # -Werror is necessary because unknown attributes only generate warnings. - $CXX $CXXFLAGS -Wthread-safety -Werror -x c++ - -o $CXXOUTPUT 2>/dev/null <<EOF - struct __attribute__((lockable)) Lock { - void Acquire() __attribute__((exclusive_lock_function())); - void Release() __attribute__((unlock_function())); - }; - struct ThreadSafeType { - Lock lock_; - int data_ __attribute__((guarded_by(lock_))); - }; - int main() { return 0; } -EOF - if [ "$?" = 0 ]; then - COMMON_FLAGS="$COMMON_FLAGS -Wthread-safety" - fi - - rm -f $CXXOUTPUT 2>/dev/null -fi - -PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS $COMMON_FLAGS" -PLATFORM_CXXFLAGS="$PLATFORM_CXXFLAGS $COMMON_FLAGS" - -echo "CC=$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" >> $OUTPUT -echo "PLATFORM_SHARED_CFLAGS=$PLATFORM_SHARED_CFLAGS" >> $OUTPUT -echo "PLATFORM_SHARED_EXT=$PLATFORM_SHARED_EXT" >> $OUTPUT -echo "PLATFORM_SHARED_LDFLAGS=$PLATFORM_SHARED_LDFLAGS" >> $OUTPUT -echo "PLATFORM_SHARED_VERSIONED=$PLATFORM_SHARED_VERSIONED" >> $OUTPUT |