Skip to content

Instantly share code, notes, and snippets.

@ayansg
Forked from wuhao5/png_build.sh
Last active April 25, 2018 05:21
Show Gist options
  • Select an option

  • Save ayansg/fb987d69df95681ec752784dc6ea7621 to your computer and use it in GitHub Desktop.

Select an option

Save ayansg/fb987d69df95681ec752784dc6ea7621 to your computer and use it in GitHub Desktop.
build libpng for iOS/MacOS X
# ===========================================================================================================
# Enable bitcode for iOS. Updated iOS support to the minimum of iOS 10.3
# Added architecture specific --host flag to mark target platform for output library during cross compilation
# ===========================================================================================================
rm -rf install_*
rm -rf output-*
#build x86_64
ARCH="x86_64"
./configure --prefix=`pwd`/install_x86_64 CFLAGS="-Ofast -fembed-bitcode=marker -mios-version-min=10.3" LDFLAGS="-flto" CC="xcrun -sdk iphonesimulator clang -arch x86_64" --disable-shared --enable-static --host="${ARCH}-apple-darwin"
make clean && make -j8 && make install
# build armv7
ARCH="armv7"
./configure --prefix=`pwd`/install_armv7 --enable-arm-neon=api CFLAGS="-Ofast -fembed-bitcode -mios-version-min=10.3" LDFLAGS="-flto" CC="xcrun -sdk iphoneos clang -arch armv7" --host="${ARCH}-apple-darwin" --enable-static=yes --enable-shared=no
make clean && make -j8 && make install
# build armv7s
ARCH="armv7s"
./configure --prefix=`pwd`/install_armv7s --enable-arm-neon=api CFLAGS="-Ofast -fembed-bitcode -mios-version-min=10.3" LDFLAGS="-flto" CC="xcrun -sdk iphoneos clang -arch armv7s" --host="${ARCH}-apple-darwin" --enable-static=yes --enable-shared=no
make clean && make -j8 && make install
# build arm64
ARCH="arm64"
./configure --prefix=`pwd`/install_arm64 --enable-arm-neon=api CFLAGS="-Ofast -fembed-bitcode -mios-version-min=10.3" LDFLAGS="-flto" CC="xcrun -sdk iphoneos clang -arch arm64" --host="aarch64-apple-darwin" --enable-static=yes --enable-shared=no
make clean && make -j8 && make install
# build universal
mkdir -p output-ios
xcrun lipo -create $(find install_*/lib -name "libpng.a") -o output-ios/libpng.a
cp -r install_armv7/include output-ios/.
# build macosx
./configure --prefix=`pwd`/install_macosx CFLAGS="-Ofast -mmacosx-version-min=10.7" LDFLAGS="-flto" CC="xcrun -sdk macosx clang -arch x86_64"
make clean && make -j8 && make install
install_name_tool -id "@executable_path/../Frameworkds/libpng.dylib" install_macosx/lib/libpng.dylib
mkdir -p output-macosx
cp -r install_macosx/include output-macosx/.
LIB=libpng.dylib; while readlink install_macosx/lib/$LIB > /dev/null; do LIB=$(readlink install_macosx/lib/$LIB); done;
cp install_macosx/lib/$LIB output-macosx/libpng.dylib
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment