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README.md

Google Protobuf 2.6.0 - Mac OS X and iOS Support

The script in this gist will help you buid the Google Protobuf library for use with Mac OS X and iOS. Other methods (such as homebrew or direct compilation) have issues that prevent their use. The libraries built by this script are universal and support all iOS device architectures including the simluator.

Get the Script

The easiest way to use this script is to simply clone the gist onto your machine using the following command:

$ git clone https://gist.github.com/9487468ae3375d0db0cc.git build-protobuf

Performing the Build

The script will automatically download the tarball from Google Code, so all you need to do is run the script.

$ cd build-protobuf
$ ./build-protobuf-2.6.0.sh

Results

Build results are found in a folder called protobuf. This folder contains bin, include and lib folders.

Integration with Xcode

Create a build rule in your Xcode project with the following settings.

Process *Source files with names matching:* `*.proto`
Using *Custom script:*

cd ${INPUT_FILE_DIR}
${SRCROOT}/Google/protobuf/bin/protoc --proto_path=${INPUT_FILE_DIR} ${INPUT_FILE_PATH} --cpp_out=${DERIVED_FILE_DIR}

Output Files
$(DERIVED_FILE_DIR)/$(INPUT_FILE_BASE).pb.cc
$(DERIVED_FILE_DIR)/$(INPUT_FILE_BASE).pb.h

Depending on where you choose to install the protobuf build, you will need to adjust the path to protoc.

Raw
build-protobuf-2.6.0.sh
#!/bin/bash
echo "$(tput setaf 2)"
echo "###################################################################"
echo "# Fetch Google Protobuf from the GitHub repo. We are going to"
echo "# build the master branch, so this is bleeding edge stuff! ;-)"
echo "###################################################################"
echo "$(tput sgr0)"
PROTOBUF_SRC_DIR=/tmp/protobuf
(
if [ -d ${PROTOBUF_SRC_DIR} ]
then
rm -rf ${PROTOBUF_SRC_DIR}
fi
cd `dirname ${PROTOBUF_SRC_DIR}`
git clone https://github.com/google/protobuf.git
)
# The results will be stored relative to the location
# where you stored this script, **not** relative to
# the location of the protobuf git repo.
PREFIX=`pwd`/protobuf
if [ -d ${PREFIX} ]
then
rm -rf "${PREFIX}"
fi
mkdir -p "${PREFIX}/platform"
###################################################################
# Build variables. The stuff in this section controls the outcome
# of the build process. It selects the iOS SDK version based
# on how xcrun is currently configured.
###################################################################
DARWIN=darwin13.4.0
BUILD_MACOSX_X86_64=YES
BUILD_I386_IOSSIM=YES
BUILD_X86_64_IOSSIM=YES
BUILD_IOS_ARMV7=YES
BUILD_IOS_ARMV7S=YES
BUILD_IOS_ARM64=YES
XCODEDIR=`xcode-select --print-path`
IOS_SDK_VERSION=`xcrun --sdk iphoneos --show-sdk-version`
MIN_SDK_VERSION=7.1
MACOSX_PLATFORM=${XCODEDIR}/Platforms/MacOSX.platform
MACOSX_SYSROOT=${MACOSX_PLATFORM}/Developer/MacOSX10.9.sdk
IPHONEOS_PLATFORM=`xcrun --sdk iphoneos --show-sdk-platform-path`
IPHONEOS_SYSROOT=`xcrun --sdk iphoneos --show-sdk-path`
IPHONESIMULATOR_PLATFORM=`xcrun --sdk iphonesimulator --show-sdk-platform-path`
IPHONESIMULATOR_SYSROOT=`xcrun --sdk iphonesimulator --show-sdk-path`
CC=clang
CFLAGS="--verbose -DNDEBUG -g -O0 -pipe -fPIC -fcxx-exceptions"
CXX=clang
CXXFLAGS="--verbose ${CFLAGS} -std=c++11 -stdlib=libc++"
LDFLAGS="-stdlib=libc++"
LIBS="-lc++ -lc++abi"
echo "$(tput setaf 2)"
echo "###################################################################"
echo "# Fetch Google Test & Prepare the Configure Script"
echo "# (note: This section is lifted from autogen.sh)"
echo "###################################################################"
echo "$(tput sgr0)"
(
cd ${PROTOBUF_SRC_DIR}
# Check that we're being run from the right directory.
if test ! -f src/google/protobuf/stubs/common.h
then
cat >&2 << __EOF__
Could not find source code. Make sure you are running this script from the
root of the distribution tree.
__EOF__
exit 1
fi
# Check that gtest is present. Older versions of protobuf were stored in SVN
# and the gtest directory was setup as an SVN external. Now, protobuf is
# stored in GitHub and the gtest directory is not included. The commands
# below will grab the latest version of gtest. Currently that is 1.7.0.
if test ! -e gtest
then
echo "Google Test not present. Fetching gtest-1.7.0 from the web..."
curl --location http://googletest.googlecode.com/files/gtest-1.7.0.zip --output gtest-1.7.0.zip
unzip gtest-1.7.0.zip
rm gtest-1.7.0.zip
mv gtest-1.7.0 gtest
fi
autoreconf -f -i -Wall,no-obsolete
rm -rf autom4te.cache config.h.in~
)
###################################################################
# This section contains the build commands to create the native
# protobuf library for Mac OS X. This is done first so we have
# a copy of the protoc compiler. It will be used in all of the
# susequent iOS builds.
###################################################################
echo "$(tput setaf 2)"
echo "###################################################################"
echo "# x86_64 for Mac OS X"
echo "###################################################################"
echo "$(tput sgr0)"
if [ "${BUILD_MACOSX_X86_64}" == "YES" ]
then
(
cd ${PROTOBUF_SRC_DIR}
make distclean
./configure --disable-shared --prefix=${PREFIX} --exec-prefix=${PREFIX}/platform/x86_64-mac "CC=${CC}" "CFLAGS=${CFLAGS} -arch x86_64" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch x86_64" "LDFLAGS=${LDFLAGS}" "LIBS=${LIBS}"
make
make install
)
fi
PROTOC=${PREFIX}/platform/x86_64-mac/bin/protoc
###################################################################
# This section contains the build commands for each of the
# architectures that will be included in the universal binaries.
###################################################################
echo "$(tput setaf 2)"
echo "###########################"
echo "# i386 for iPhone Simulator"
echo "###########################"
echo "$(tput sgr0)"
if [ "${BUILD_I386_IOSSIM}" == "YES" ]
then
(
cd ${PROTOBUF_SRC_DIR}
make distclean
./configure --build=x86_64-apple-${DARWIN} --host=i386-apple-${DARWIN} --with-protoc=${PROTOC} --disable-shared --prefix=${PREFIX} --exec-prefix=${PREFIX}/platform/i386-sim "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch i386 -isysroot ${IPHONESIMULATOR_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch i386 -isysroot ${IPHONESIMULATOR_SYSROOT}" LDFLAGS="-arch i386 -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" "LIBS=${LIBS}"
make
make install
)
fi
echo "$(tput setaf 2)"
echo "#############################"
echo "# x86_64 for iPhone Simulator"
echo "#############################"
echo "$(tput sgr0)"
if [ "${BUILD_X86_64_IOSSIM}" == "YES" ]
then
(
cd ${PROTOBUF_SRC_DIR}
make distclean
./configure --build=x86_64-apple-${DARWIN} --host=x86_64-apple-${DARWIN} --with-protoc=${PROTOC} --disable-shared --prefix=${PREFIX} --exec-prefix=${PREFIX}/platform/x86_64-sim "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch x86_64 -isysroot ${IPHONESIMULATOR_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch x86_64 -isysroot ${IPHONESIMULATOR_SYSROOT}" LDFLAGS="-arch x86_64 -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" "LIBS=${LIBS}"
make
make install
)
fi
echo "$(tput setaf 2)"
echo "##################"
echo "# armv7 for iPhone"
echo "##################"
echo "$(tput sgr0)"
if [ "${BUILD_IOS_ARMV7}" == "YES" ]
then
(
cd ${PROTOBUF_SRC_DIR}
make distclean
./configure --build=x86_64-apple-${DARWIN} --host=armv7-apple-${DARWIN} --with-protoc=${PROTOC} --disable-shared --prefix=${PREFIX} --exec-prefix=${PREFIX}/platform/armv7-ios "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch armv7 -isysroot ${IPHONEOS_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch armv7 -isysroot ${IPHONEOS_SYSROOT}" LDFLAGS="-arch armv7 -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" "LIBS=${LIBS}"
make
make install
)
fi
echo "$(tput setaf 2)"
echo "###################"
echo "# armv7s for iPhone"
echo "###################"
echo "$(tput sgr0)"
if [ "${BUILD_IOS_ARMV7S}" == "YES" ]
then
(
cd ${PROTOBUF_SRC_DIR}
make distclean
./configure --build=x86_64-apple-${DARWIN} --host=armv7s-apple-${DARWIN} --with-protoc=${PROTOC} --disable-shared --prefix=${PREFIX} --exec-prefix=${PREFIX}/platform/armv7s-ios "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch armv7s -isysroot ${IPHONEOS_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch armv7s -isysroot ${IPHONEOS_SYSROOT}" LDFLAGS="-arch armv7s -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" "LIBS=${LIBS}"
make
make install
)
fi
echo "$(tput setaf 2)"
echo "##################"
echo "# arm64 for iPhone"
echo "##################"
echo "$(tput sgr0)"
if [ "${BUILD_IOS_ARM64}" == "YES" ]
then
(
cd ${PROTOBUF_SRC_DIR}
make distclean
./configure --build=x86_64-apple-${DARWIN} --host=arm --with-protoc=${PROTOC} --disable-shared --prefix=${PREFIX} --exec-prefix=${PREFIX}/platform/arm64-ios "CC=${CC}" "CFLAGS=${CFLAGS} -miphoneos-version-min=${MIN_SDK_VERSION} -arch arm64 -isysroot ${IPHONEOS_SYSROOT}" "CXX=${CXX}" "CXXFLAGS=${CXXFLAGS} -arch arm64 -isysroot ${IPHONEOS_SYSROOT}" LDFLAGS="-arch arm64 -miphoneos-version-min=${MIN_SDK_VERSION} ${LDFLAGS}" "LIBS=${LIBS}"
make
make install
)
fi
echo "$(tput setaf 2)"
echo "###################################################################"
echo "# Create Universal Libraries"
echo "###################################################################"
echo "$(tput sgr0)"
(
cd ${PREFIX}/platform
mkdir universal
lipo x86_64-sim/lib/libprotobuf.a i386-sim/lib/libprotobuf.a arm64-ios/lib/libprotobuf.a armv7s-ios/lib/libprotobuf.a armv7-ios/lib/libprotobuf.a -create -output universal/libprotobuf.a
lipo x86_64-sim/lib/libprotobuf-lite.a i386-sim/lib/libprotobuf-lite.a arm64-ios/lib/libprotobuf-lite.a armv7s-ios/lib/libprotobuf-lite.a armv7-ios/lib/libprotobuf-lite.a -create -output universal/libprotobuf-lite.a
)
echo "$(tput setaf 2)"
echo "###################################################################"
echo "# Finalize the packaging"
echo "###################################################################"
echo "$(tput setaf 2)"
(
cd ${PREFIX}
mkdir bin
mkdir lib
cp -r platform/x86_64-mac/bin/protoc bin
cp -r platform/x86_64-mac/lib/* lib
cp -r platform/universal/* lib
rm -rf platform
)
echo Done!
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