054a5657f8
Summary: add zlib compression Test Plan: Will add more testcases Reviewers: dhruba Reviewed By: dhruba Differential Revision: https://reviews.facebook.net/D3873
186 lines
5.9 KiB
Bash
Executable File
186 lines
5.9 KiB
Bash
Executable File
#!/bin/sh
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#
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# Detects OS we're compiling on and outputs a file specified by the first
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# argument, which in turn gets read while processing Makefile.
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#
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# The output will set the following variables:
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# PLATFORM_LDFLAGS Linker flags
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# PLATFORM_SHARED_EXT Extension for shared libraries
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# PLATFORM_SHARED_LDFLAGS Flags for building shared library
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# PLATFORM_SHARED_CFLAGS Flags for compiling objects for shared library
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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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OUTPUT=$1
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if test -z "$OUTPUT"; then
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echo "usage: $0 <output-filename>"
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exit 1
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fi
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# Delete existing output, if it exists
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rm -f $OUTPUT
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touch $OUTPUT
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if test -z "$CXX"; then
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CXX=g++
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fi
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# Detect OS
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if test -z "$TARGET_OS"; then
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TARGET_OS=`uname -s`
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fi
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COMMON_FLAGS=
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PLATFORM_CCFLAGS=
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PLATFORM_CXXFLAGS=
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PLATFORM_LDFLAGS=
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PLATFORM_SHARED_EXT="so"
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PLATFORM_SHARED_LDFLAGS="-shared -Wl,-soname -Wl,"
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PLATFORM_SHARED_CFLAGS="-fPIC"
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# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp
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case "$TARGET_OS" in
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Darwin)
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PLATFORM=OS_MACOSX
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COMMON_FLAGS="-fno-builtin-memcmp -DOS_MACOSX"
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PLATFORM_SHARED_EXT=dylib
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PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name "
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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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COMMON_FLAGS="-I/usr/include -fno-builtin-memcmp -pthread -DOS_LINUX -fPIC"
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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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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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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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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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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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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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# 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="util db 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 $PRUNE_BENCH -o -name '*.cc' -print | sort | tr "\n" " "`
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set +f # re-enable globbing
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# The sources consist of the portable files, plus the platform-specific port
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# file.
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echo "SOURCES=$PORTABLE_FILES $PORT_FILE" >> $OUTPUT
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echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> $OUTPUT
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if [ "$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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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 $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <snappy.h>
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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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 zlib library is installed
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$CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <zlib.h>
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DZLIB"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lz"
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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="$PLATFORM_LDFLAGS -ltcmalloc"
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fi
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fi
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# shall we use HDFS?
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if test "$USE_HDFS"; then
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if test -z "$JAVA_HOME"; then
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echo "JAVA_HOME has to be set for HDFS usage."
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exit 1
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fi
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HDFS_CCFLAGS+=" -I$JAVA_HOME/include -I$JAVA_HOME/include/linux -DUSE_HDFS"
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HDFS_LDFLAGS+=" -Wl,--no-whole-archive hdfs/libhdfs.a -L$JAVA_HOME/jre/lib/amd64"
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HDFS_LDFLAGS+=" -L$JAVA_HOME/jre/lib/amd64/server -L$GLIBC_RUNTIME_PATH/lib"
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HDFS_LDFLAGS+=" -ldl -lverify -ljava -ljvm"
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COMMON_FLAGS+=$HDFS_CCFLAGS
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PLATFORM_LDFLAGS+=$HDFS_LDFLAGS
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fi
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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" >> $OUTPUT
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echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> $OUTPUT
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echo "PLATFORM_CCFLAGS=$PLATFORM_CCFLAGS" >> $OUTPUT
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echo "PLATFORM_CXXFLAGS=$PLATFORM_CXXFLAGS" >> $OUTPUT
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echo "PLATFORM_SHARED_CFLAGS=$PLATFORM_SHARED_CFLAGS" >> $OUTPUT
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echo "PLATFORM_SHARED_EXT=$PLATFORM_SHARED_EXT" >> $OUTPUT
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echo "PLATFORM_SHARED_LDFLAGS=$PLATFORM_SHARED_LDFLAGS" >> $OUTPUT
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