NDK
export CPPFLAGS=--sysroot="/opt/android-ndk-r13b/platforms/android-23/arch-arm/ "
export CFLAGS=--sysroot="/opt/android-ndk-r13b/platforms/android-23/arch-arm/ "
export CXXFLAGS=--sysroot="/opt/android-ndk-r13b/platforms/android-23/arch-arm/ "
export LDFLAGS=--sysroot="/opt/android-ndk-r13b/platforms/android-23/arch-arm/ "
export CC="/opt/android-ndk-r13b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-gcc "
export CXX="/opt/android-ndk-r13b/toolchains/arm-linux-androideabi-4.9/prebuilt/linux-x86_64/bin/arm-linux-androideabi-g++ "
./configure --host=arm --prefix=/opt/cairo/cairo --with-sysroot="/opt/android-ndk-r13b/platforms/android-23/arch-arm/" --enable-png=yes --disable-xlib --disable-xlib-xrender --enable-directfb=no --enable-ft=yes --enable-fc=no --disable-win32 --disable-svg --enable-pdf=yes FREETYPE_CFLAGS='-I/opt/cairo/freetype/include/freetype2' FREETYPE_LIBS='-L/opt/cairo/freetype/lib -lfreetype' png_CFLAGS='-I/opt/cairo/png/include' png_LIBS='-L/opt/cairo/png/lib -lpng16' pixman_CFLAGS='-I/opt/cairo/pix_man/include/pixman-1' pixman_LIBS='-L/opt/cairo/pix_man/lib -lpixman-1' --enable-xcb=no
IOS
#export PKG_CONFIG_PATH=/usr/lib/pkgconfig/
export BUILD_ARCHS=armv7 armv7s arm64 i386 x86_64
#IOS_LINK_FLAG= -arch x86_64
export IOS_BUILD_TOOLS_DIR=/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/
export IOS_SYSROOT_DIR="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk"
#export CC="/Applications/Xcode.app/Contents/Developer/usr/bin/gcc "
#export CXX="/Applications/Xcode.app/Contents/Developer/usr/bin/g++ "
#export CC="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang "
#export CXX="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ "
./configure --prefix=/opt/simulator_cairo_lib/cairo CC="/Applications/Xcode.app/Contents/Developer/usr/bin/gcc -arch x86_64" --with-sysroot="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator.sdk" AR="/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ar" --enable-xlib=no --enable-xlib-xrender=no --enable-ft=no --enable-script=no --enable-ps=no --enable-pdf=no --enable-svg=no --enable-trace=no --enable-interpreter=no --enable-png=no pixman_CFLAGS='-I/opt/simulator_cairo_lib/pixmap/include/pixman-1' pixman_LIBS='-L/opt/simulator_cairo_lib/pixmap/lib -lpixman-1' png_CFLAGS='-I/opt/simulator_cairo_lib/png/include' png_LIBS='-L/opt/simulator_cairo_lib/png/lib/ -lpng16'