mirror of
https://github.com/XRPLF/rippled.git
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Build fixes and cleanups:
(1) Separate out C++ and CC flags (fixes c_test compilation) (2) Move snappy/perftools detection to script (3) Fix db_bench_sqlite3 and db_bench_tree_db build rules
This commit is contained in:
Sanjay Ghemawat
@@ -1,93 +1,145 @@
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#!/bin/sh
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#
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# Detects OS we're compiling on and generates build_config.mk,
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# which in turn gets read while processing Makefile.
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#
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# build_config.mk will set the following variables:
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# - PORT_CFLAGS will either set:
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# -DLEVELDB_PLATFORM_POSIX if cstatomic is present
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# -DLEVELDB_PLATFORM_NOATOMIC if it is not
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# - PLATFORM_CFLAGS with compiler flags for the platform
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# - PLATFORM_LDFLAGS with linker flags for the platform
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# PLATFORM_LDFLAGS Linker flags
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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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SCRIPT_DIR=`dirname $0`
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# Delete existing build_config.mk
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rm -f build_config.mk
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touch build_config.mk
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if test -z "$CXX"; then
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CXX=g++
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fi
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# Detect OS
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case `uname -s` in
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if test -z "$TARGET_OS"; then
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TARGET_OS=`uname -s`
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fi
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COMMON_FLAGS=
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PLATFORM_CCFLAGS=
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PLATFORM_CXXFLAGS=
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PLATFORM_LDFLAGS=
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# On GCC, we pick libc's memcmp over GCC's memcmp via -fno-builtin-memcmp
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case "$TARGET_OS" in
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Darwin)
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PLATFORM=OS_MACOSX
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echo "PLATFORM_CFLAGS=-DOS_MACOSX" >> build_config.mk
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echo "PLATFORM_LDFLAGS=" >> build_config.mk
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COMMON_FLAGS="-fno-builtin-memcmp -DOS_MACOSX"
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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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echo "PLATFORM_CFLAGS=-pthread -DOS_LINUX" >> build_config.mk
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echo "PLATFORM_LDFLAGS=-pthread" >> build_config.mk
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COMMON_FLAGS="-fno-builtin-memcmp -pthread -DOS_LINUX"
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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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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_SOLARIS" >> build_config.mk
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echo "PLATFORM_LDFLAGS=-lpthread -lrt" >> build_config.mk
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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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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_FREEBSD" >> build_config.mk
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echo "PLATFORM_LDFLAGS=-lpthread" >> build_config.mk
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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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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_NETBSD" >> build_config.mk
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echo "PLATFORM_LDFLAGS=-lpthread -lgcc_s" >> build_config.mk
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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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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_OPENBSD" >> build_config.mk
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echo "PLATFORM_LDFLAGS=-pthread" >> build_config.mk
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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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echo "PLATFORM_CFLAGS=-D_REENTRANT -DOS_DRAGONFLYBSD" >> build_config.mk
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echo "PLATFORM_LDFLAGS=-lpthread" >> build_config.mk
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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="$TARGET_OS"
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COMMON_FLAGS=""
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PLATFORM_LDFLAGS=""
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PORT_FILE=port/port_android.cc
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;;
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*)
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echo "Unknown platform!"
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exit 1
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esac
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# We want to make a list of all cc files within util, db, table, and helpers
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# except for the test and benchmark files. By default, find will output a list
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# of all files matching either rule, so we need to append -print to make the
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# prune take effect.
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DIRS="$SCRIPT_DIR/util $SCRIPT_DIR/db $SCRIPT_DIR/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 $PORT_FILE" >> build_config.mk
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echo "MEMENV_SOURCES=helpers/memenv/memenv.cc" >> build_config.mk
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if [ "$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 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="$PLATFORM_LDFLAGS -ltcmalloc"
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fi
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fi
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PLATFORM_CCFLAGS="$PLATFORM_CCFLAGS $COMMON_FLAGS"
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PLATFORM_CXXFLAGS="$PLATFORM_CXXFLAGS $COMMON_FLAGS"
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echo "PLATFORM=$PLATFORM" >> build_config.mk
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# On GCC, use libc's memcmp, not GCC's memcmp
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PORT_CFLAGS="-fno-builtin-memcmp"
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# Detect C++0x -- this determines whether we'll use port_noatomic.h
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# or port_posix.h by:
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# 1. Rrying to compile with -std=c++0x and including <cstdatomic>.
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# 2. If $CXX returns error code, we know to use port_posix.h
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$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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PORT_CFLAGS="$PORT_CFLAGS -DLEVELDB_PLATFORM_POSIX -DLEVELDB_CSTDATOMIC_PRESENT -std=c++0x"
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else
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PORT_CFLAGS="$PORT_CFLAGS -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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echo "SNAPPY=1" >> build_config.mk
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else
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echo "SNAPPY=0" >> build_config.mk
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fi
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echo "PORT_CFLAGS=$PORT_CFLAGS" >> build_config.mk
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echo "PLATFORM_LDFLAGS=$PLATFORM_LDFLAGS" >> build_config.mk
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echo "PLATFORM_CCFLAGS=$PLATFORM_CCFLAGS" >> build_config.mk
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echo "PLATFORM_CXXFLAGS=$PLATFORM_CXXFLAGS" >> build_config.mk
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