librtmp 需要支持rtmps协议，所以需要openssl 的支持。
#!/bin/shSDKVERSION="9.3" #这里跟openssl的地方是一个意思CURRENTPATH=`pwd`ARCHS="i386 armv7 armv7s arm64"LIBPATH="${CURRENTPATH}/lib" #这里就是刚才拷贝过来的目录，不要修改，因为librtmp最后生成的也放到了这个下面INCLUDEPATH="${CURRENTPATH}/include" #这里就是刚才拷贝过来的目录，不要修改，因为librtmp最后生成的也放到了这个下面LIBRTMPREPO="git://git.ffmpeg.org/rtmpdump"BUILDPATH="${CURRENTPATH}/build"SRCPATH="${CURRENTPATH}/src"LIBRTMP="librtmp.a"DEVELOPER=`xcode-select -print-path`if [ ! -d "$DEVELOPER" ]; thenecho "xcode path is not set correctly $DEVELOPER does not exist (most likely because of xcode > 4.3)"echo "run"echo "sudo xcode-select -switch"
echo "for default installation:"
echo "sudo xcode-select -switch /Applications/Xcode.app/Contents/Developer"
exit 1
fi
# Check whether openssl has already installed on the machine or not.
# libcrypt.a / libssl.a
set -e
echo 'Check openssl installation'
if [ -f "${LIBPATH}/libcrypto.a" ] && [ -f "${LIBPATH}/libssl.a" ] && [ -d "${INCLUDEPATH}/openssl" ]; then
echo 'Openssl for iOS has already installed, no need to install openssl'
else
echo 'Openssl for iOS not found, will install openssl for iOS'
./build-libssl.sh
echo 'Succeeded to install openssl'
fi
# Download librtmp source code from git repository
# We assuem the user already installed git client.
echo 'Clone librtmp git repository'
# Remove the directory if already exist
rm -rf "${SRCPATH}/rtmpdump"
git clone ${LIBRTMPREPO} src/rtmpdump
cd "${SRCPATH}/rtmpdump/librtmp"
LIBRTMP_REPO=""
for ARCH in ${ARCHS}
do
if [ "${ARCH}" == "i386" ];
then
PLATFORM="iPhoneSimulator"
else
PLATFORM="iPhoneOS"
fi
export CROSS_TOP="${DEVELOPER}/Platforms/${PLATFORM}.platform/Developer"
export CROSS_SDK="${PLATFORM}${SDKVERSION}.sdk"
export BUILD_TOOLS="${DEVELOPER}"
echo "Building librtmp for ${PLATFORM} ${SDKVERSION} ${ARCH}"
echo "Please wait..."
# add arch to CC=
sed -ie "s!AR=\$(CROSS_COMPILE)ar!AR=/usr/bin/ar!" "Makefile"
sed -ie "/CC=\$(CROSS_COMPILE)gcc/d" "Makefile"
echo "CC=\$(CROSS_COMPILE)gcc -arch ${ARCH}" >> "Makefile"
export CROSS_COMPILE="${DEVELOPER}/usr/bin/"
export XCFLAGS="-isysroot ${CROSS_TOP}/SDKs/${CROSS_SDK} -miphoneos-version-min=7.0 -I${INCLUDEPATH} -arch ${ARCH}"
if [ "${ARCH}" == "i386" ];
then
export XLDFLAGS="-L${LIBPATH} -arch ${ARCH}"
else
export XLDFLAGS="-isysroot ${CROSS_TOP}/SDKs/${CROSS_SDK} -miphoneos-version-min=7.0 -L${LIBPATH} -arch ${ARCH}"
fi
OUTPATH="${BUILDPATH}/librtmp-${PLATFORM}${SDKVERSION}-${ARCH}.sdk"
mkdir -p "${OUTPATH}"
LOG="${OUTPATH}/build-librtmp.log"
make SYS=darwin >> "${LOG}" 2>&1
make SYS=darwin prefix="${OUTPATH}" install >> "${LOG}" 2>&1
make clean >> "${LOG}" 2>&1
LIBRTMP_REPO+="${OUTPATH}/lib/${LIBRTMP} "
done
echo "Build universal library..."
lipo -create ${LIBRTMP_REPO}-output ${LIBPATH}/${LIBRTMP}
mkdir -p ${INCLUDEPATH}
cp -R ${BUILDPATH}/librtmp-iPhoneSimulator${SDKVERSION}-i386.sdk/include/ ${INCLUDEPATH}/
echo "Building done."
echo "Cleaning up..."
rm -rf ${SRCPATH}/rtmpdump
echo "Done."