6a2b4fcb80
Summary: see https://github.com/facebook/rocksdb/issues/977; there are issues with fallocate() on certain filesystems/kernel versions that can lead it to pre- allocating blocks but never freeing them, even if they're unused. Test Plan: verified build commands omit DROCKSDB_FALLOCATE_PRESENT when this env variable is set. without disabling it: $ ROCKSDB_NO_FBCODE=1 make -n env_test | grep -q DROCKSDB_FALLOCATE_PRESENT ; echo $? 0 with disabling it: $ ROCKSDB_NO_FBCODE=1 DISABLE_FALLOCATE=1 make -n env_test | grep -q DROCKSDB_FALLOCATE_PRESENT ; echo $? 1 Reviewers: kradhakrishnan, yhchiang, sdong Reviewed By: sdong Subscribers: dhruba, leveldb Differential Revision: https://reviews.facebook.net/D54069
403 lines
14 KiB
Bash
Executable File
403 lines
14 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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# CC C Compiler path
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# CXX C++ Compiler path
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# PLATFORM_LDFLAGS Linker flags
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# JAVA_LDFLAGS Linker flags for RocksDBJava
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# JAVA_STATIC_LDFLAGS Linker flags for RocksDBJava static build
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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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# PLATFORM_SHARED_VERSIONED Set to 'true' if platform supports versioned
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# shared libraries, empty otherwise.
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#
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# The PLATFORM_CCFLAGS and PLATFORM_CXXFLAGS might include the following:
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#
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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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# -DSNAPPY if the Snappy library is present
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# -DLZ4 if the LZ4 library is present
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# -DZSTD if the ZSTD library is present
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# -DNUMA if the NUMA library is present
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#
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# Using gflags in rocksdb:
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# Our project depends on gflags, which requires users to take some extra steps
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# before they can compile the whole repository:
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# 1. Install gflags. You may download it from here:
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# https://code.google.com/p/gflags/
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# 2. Once install, add the include path/lib path for gflags to CPATH and
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# LIBRARY_PATH respectively. If installed with default mode, the
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# lib and include path will be /usr/local/lib and /usr/local/include
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# Mac user can do this by having brew installed and running brew install gflags
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OUTPUT=$1
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if test -z "$OUTPUT"; then
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echo "usage: $0 <output-filename>" >&2
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exit 1
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fi
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# we depend on C++11
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PLATFORM_CXXFLAGS="-std=c++11"
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# we currently depend on POSIX platform
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COMMON_FLAGS="-DROCKSDB_PLATFORM_POSIX -DROCKSDB_LIB_IO_POSIX"
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# Default to fbcode gcc on internal fb machines
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if [ -z "$ROCKSDB_NO_FBCODE" -a -d /mnt/gvfs/third-party ]; then
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FBCODE_BUILD="true"
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# If we're compiling with TSAN we need pic build
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PIC_BUILD=$COMPILE_WITH_TSAN
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if [ -z "$ROCKSDB_FBCODE_BUILD_WITH_481" ]; then
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source "$PWD/build_tools/fbcode_config.sh"
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else
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# we need this to build with MySQL. Don't use for other purposes.
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source "$PWD/build_tools/fbcode_config4.8.1.sh"
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fi
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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 "$CC"; then
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CC=cc
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fi
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if test -z "$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 "$TARGET_OS"; then
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TARGET_OS=`uname -s`
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fi
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if test -z "$TARGET_ARCHITECTURE"; then
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TARGET_ARCHITECTURE=`uname -m`
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fi
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if test -z "$CLANG_SCAN_BUILD"; then
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CLANG_SCAN_BUILD=scan-build
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fi
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if test -z "$CLANG_ANALYZER"; then
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CLANG_ANALYZER=$(which clang++ 2> /dev/null)
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fi
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COMMON_FLAGS="$COMMON_FLAGS ${CFLAGS}"
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CROSS_COMPILE=
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PLATFORM_CCFLAGS=
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS"
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PLATFORM_SHARED_EXT="so"
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PLATFORM_SHARED_LDFLAGS="-Wl,--no-as-needed -shared -Wl,-soname -Wl,"
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PLATFORM_SHARED_CFLAGS="-fPIC"
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PLATFORM_SHARED_VERSIONED=true
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# generic port files (working on all platform by #ifdef) go directly in /port
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GENERIC_PORT_FILES=`cd "$ROCKSDB_ROOT"; find port -name '*.cc' | tr "\n" " "`
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# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp
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case "$TARGET_OS" in
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Darwin)
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PLATFORM=OS_MACOSX
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COMMON_FLAGS="$COMMON_FLAGS -DOS_MACOSX"
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PLATFORM_SHARED_EXT=dylib
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PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name "
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# PORT_FILES=port/darwin/darwin_specific.cc
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;;
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IOS)
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PLATFORM=IOS
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COMMON_FLAGS="$COMMON_FLAGS -DOS_MACOSX -DIOS_CROSS_COMPILE -DROCKSDB_LITE"
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PLATFORM_SHARED_EXT=dylib
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PLATFORM_SHARED_LDFLAGS="-dynamiclib -install_name "
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CROSS_COMPILE=true
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PLATFORM_SHARED_VERSIONED=
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;;
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Linux)
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PLATFORM=OS_LINUX
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COMMON_FLAGS="$COMMON_FLAGS -DOS_LINUX"
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if [ -z "$USE_CLANG" ]; then
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp"
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fi
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread -lrt"
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# PORT_FILES=port/linux/linux_specific.cc
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;;
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SunOS)
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PLATFORM=OS_SOLARIS
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp -D_REENTRANT -DOS_SOLARIS"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread -lrt"
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# PORT_FILES=port/sunos/sunos_specific.cc
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;;
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FreeBSD)
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PLATFORM=OS_FREEBSD
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp -D_REENTRANT -DOS_FREEBSD"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread"
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# PORT_FILES=port/freebsd/freebsd_specific.cc
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;;
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NetBSD)
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PLATFORM=OS_NETBSD
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp -D_REENTRANT -DOS_NETBSD"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread -lgcc_s"
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# PORT_FILES=port/netbsd/netbsd_specific.cc
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;;
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OpenBSD)
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PLATFORM=OS_OPENBSD
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp -D_REENTRANT -DOS_OPENBSD"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -pthread"
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# PORT_FILES=port/openbsd/openbsd_specific.cc
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;;
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DragonFly)
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PLATFORM=OS_DRAGONFLYBSD
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp -D_REENTRANT -DOS_DRAGONFLYBSD"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread"
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# PORT_FILES=port/dragonfly/dragonfly_specific.cc
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;;
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Cygwin)
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PLATFORM=CYGWIN
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PLATFORM_SHARED_CFLAGS=""
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PLATFORM_CXXFLAGS="-std=gnu++11"
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COMMON_FLAGS="$COMMON_FLAGS -DCYGWIN"
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if [ -z "$USE_CLANG" ]; then
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp"
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fi
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lpthread -lrt"
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# PORT_FILES=port/linux/linux_specific.cc
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;;
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OS_ANDROID_CROSSCOMPILE)
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PLATFORM=OS_ANDROID
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COMMON_FLAGS="$COMMON_FLAGS -fno-builtin-memcmp -D_REENTRANT -DOS_ANDROID -DLEVELDB_PLATFORM_POSIX"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS " # All pthread features are in the Android C library
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# PORT_FILES=port/android/android.cc
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CROSS_COMPILE=true
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;;
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*)
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echo "Unknown platform!" >&2
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exit 1
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esac
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PLATFORM_CXXFLAGS="$PLATFORM_CXXFLAGS ${CXXFLAGS}"
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JAVA_LDFLAGS="$PLATFORM_LDFLAGS"
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JAVA_STATIC_LDFLAGS="$PLATFORM_LDFLAGS"
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if [ "$CROSS_COMPILE" = "true" -o "$FBCODE_BUILD" = "true" ]; then
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# Cross-compiling; do not try any compilation tests.
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# Also don't need any compilation tests if compiling on fbcode
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true
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else
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if ! test $ROCKSDB_DISABLE_FALLOCATE; then
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# Test whether fallocate is available
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$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <fcntl.h>
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#include <linux/falloc.h>
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int main() {
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int fd = open("/dev/null", 0);
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fallocate(fd, FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE, 0, 1024);
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}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DROCKSDB_FALLOCATE_PRESENT"
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fi
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fi
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# Test whether Snappy library is installed
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# http://code.google.com/p/snappy/
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$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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JAVA_LDFLAGS="$JAVA_LDFLAGS -lsnappy"
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fi
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# Test whether gflags library is installed
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# http://gflags.github.io/gflags/
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# check if the namespace is gflags
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$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null << EOF
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#include <gflags/gflags.h>
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using namespace gflags;
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DGFLAGS=gflags"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lgflags"
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else
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# check if namespace is google
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$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null << EOF
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#include <gflags/gflags.h>
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using namespace google;
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DGFLAGS=google"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lgflags"
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fi
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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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JAVA_LDFLAGS="$JAVA_LDFLAGS -lz"
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fi
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# Test whether bzip library is installed
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$CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <bzlib.h>
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DBZIP2"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lbz2"
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JAVA_LDFLAGS="$JAVA_LDFLAGS -lbz2"
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fi
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# Test whether lz4 library is installed
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$CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <lz4.h>
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#include <lz4hc.h>
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DLZ4"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -llz4"
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JAVA_LDFLAGS="$JAVA_LDFLAGS -llz4"
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fi
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# Test whether zstd library is installed
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$CXX $CFLAGS $COMMON_FLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <zstd.h>
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DZSTD"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lzstd"
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JAVA_LDFLAGS="$JAVA_LDFLAGS -lzstd"
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fi
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# Test whether numa is available
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$CXX $CFLAGS -x c++ - -o /dev/null -lnuma 2>/dev/null <<EOF
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#include <numa.h>
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#inlcude <numaif.h>
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DNUMA"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -lnuma"
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JAVA_LDFLAGS="$JAVA_LDFLAGS -lnuma"
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fi
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# Test whether jemalloc is available
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if echo 'int main() {}' | $CXX $CFLAGS -x c++ - -o /dev/null -ljemalloc \
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2>/dev/null; then
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -ljemalloc"
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JAVA_LDFLAGS="$JAVA_LDFLAGS -ljemalloc"
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else
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# jemalloc is not available. Let's try tcmalloc
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if echo 'int main() {}' | $CXX $CFLAGS -x c++ - -o /dev/null \
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-ltcmalloc 2>/dev/null; then
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS -ltcmalloc"
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JAVA_LDFLAGS="$JAVA_LDFLAGS -ltcmalloc"
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fi
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fi
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# Test whether malloc_usable_size is available
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$CXX $CFLAGS -x c++ - -o /dev/null 2>/dev/null <<EOF
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#include <malloc.h>
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int main() {
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size_t res = malloc_usable_size(0);
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return 0;
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}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -DROCKSDB_MALLOC_USABLE_SIZE"
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fi
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fi
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# TODO(tec): Fix -Wshorten-64-to-32 errors on FreeBSD and enable the warning.
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# -Wshorten-64-to-32 breaks compilation on FreeBSD i386
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if ! [ "$TARGET_OS" = FreeBSD -a "$TARGET_ARCHITECTURE" = i386 ]; then
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# Test whether -Wshorten-64-to-32 is available
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$CXX $CFLAGS -x c++ - -o /dev/null -Wshorten-64-to-32 2>/dev/null <<EOF
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int main() {}
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EOF
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if [ "$?" = 0 ]; then
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COMMON_FLAGS="$COMMON_FLAGS -Wshorten-64-to-32"
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fi
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fi
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# shall we use HDFS?
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if test "$USE_HDFS"; then
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if test -z "$JAVA_HOME"; then
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echo "JAVA_HOME has to be set for HDFS usage."
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exit 1
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fi
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HDFS_CCFLAGS="$HDFS_CCFLAGS -I$JAVA_HOME/include -I$JAVA_HOME/include/linux -DUSE_HDFS"
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HDFS_LDFLAGS="$HDFS_LDFLAGS -lhdfs -L$JAVA_HOME/jre/lib/amd64"
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HDFS_LDFLAGS="$HDFS_LDFLAGS -L$JAVA_HOME/jre/lib/amd64/server -L$GLIBC_RUNTIME_PATH/lib"
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HDFS_LDFLAGS="$HDFS_LDFLAGS -ldl -lverify -ljava -ljvm"
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COMMON_FLAGS="$COMMON_FLAGS $HDFS_CCFLAGS"
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PLATFORM_LDFLAGS="$PLATFORM_LDFLAGS $HDFS_LDFLAGS"
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JAVA_LDFLAGS="$JAVA_LDFLAGS $HDFS_LDFLAGS"
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fi
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if [ "$TARGET_OS" = FreeBSD -a "$TARGET_ARCHITECTURE" = i386 ]; then
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# Intel SSE instructions breaks compilation on FreeBSD i386
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unset USE_SSE
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fi
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if test "$USE_SSE"; then
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# if Intel SSE instruction set is supported, set USE_SSE=1
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COMMON_FLAGS="$COMMON_FLAGS -msse -msse4.2 "
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elif test -z "$PORTABLE"; then
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if test -n "`echo $TARGET_ARCHITECTURE | grep ^ppc64`"; then
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# Tune for this POWER processor, treating '+' models as base models
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POWER=`LD_SHOW_AUXV=1 /bin/true | grep AT_PLATFORM | grep -E -o power[0-9]+`
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COMMON_FLAGS="$COMMON_FLAGS -mcpu=$POWER -mtune=$POWER "
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else
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COMMON_FLAGS="$COMMON_FLAGS -march=native "
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fi
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fi
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PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS $COMMON_FLAGS"
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PLATFORM_CXXFLAGS="$PLATFORM_CXXFLAGS $COMMON_FLAGS"
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VALGRIND_VER="$VALGRIND_VER"
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ROCKSDB_MAJOR=`build_tools/version.sh major`
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ROCKSDB_MINOR=`build_tools/version.sh minor`
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ROCKSDB_PATCH=`build_tools/version.sh patch`
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echo "CC=$CC" >> "$OUTPUT"
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echo "CXX=$CXX" >> "$OUTPUT"
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echo "PLATFORM=$PLATFORM" >> "$OUTPUT"
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echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> "$OUTPUT"
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echo "JAVA_LDFLAGS=$JAVA_LDFLAGS" >> "$OUTPUT"
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echo "JAVA_STATIC_LDFLAGS=$JAVA_STATIC_LDFLAGS" >> "$OUTPUT"
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echo "VALGRIND_VER=$VALGRIND_VER" >> "$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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echo "PLATFORM_SHARED_VERSIONED=$PLATFORM_SHARED_VERSIONED" >> "$OUTPUT"
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echo "EXEC_LDFLAGS=$EXEC_LDFLAGS" >> "$OUTPUT"
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echo "JEMALLOC_INCLUDE=$JEMALLOC_INCLUDE" >> "$OUTPUT"
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echo "JEMALLOC_LIB=$JEMALLOC_LIB" >> "$OUTPUT"
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echo "ROCKSDB_MAJOR=$ROCKSDB_MAJOR" >> "$OUTPUT"
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echo "ROCKSDB_MINOR=$ROCKSDB_MINOR" >> "$OUTPUT"
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echo "ROCKSDB_PATCH=$ROCKSDB_PATCH" >> "$OUTPUT"
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echo "CLANG_SCAN_BUILD=$CLANG_SCAN_BUILD" >> "$OUTPUT"
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echo "CLANG_ANALYZER=$CLANG_ANALYZER" >> "$OUTPUT"
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