#!/bin/bash if [[ -z ${ARCH} ]]; then echo -e "\n(*) ARCH not defined\n" exit 1 fi if [[ -z ${TARGET_SDK} ]]; then echo -e "\n(*) TARGET_SDK not defined\n" exit 1 fi if [[ -z ${SDK_PATH} ]]; then echo -e "\n(*) SDK_PATH not defined\n" exit 1 fi if [[ -z ${BASEDIR} ]]; then echo -e "\n(*) BASEDIR not defined\n" exit 1 fi # ENABLE COMMON FUNCTIONS if [[ ${FFMPEG_KIT_BUILD_TYPE} == "tvos" ]]; then . ${BASEDIR}/build/tvos-common.sh else . ${BASEDIR}/build/ios-common.sh fi # PREPARE PATHS & DEFINE ${INSTALL_PKG_CONFIG_DIR} LIB_NAME="libpng" set_toolchain_paths ${LIB_NAME} # PREPARING FLAGS BUILD_HOST=$(get_build_host) export CFLAGS=$(get_cflags ${LIB_NAME}) export CPPFLAGS=$(get_cflags ${LIB_NAME}) export CXXFLAGS=$(get_cxxflags ${LIB_NAME}) export LDFLAGS=$(get_ldflags ${LIB_NAME}) ARCH_OPTIONS="--enable-hardware-optimizations=yes" case ${ARCH} in x86 | x86-64 | x86-64-mac-catalyst) ARCH_OPTIONS+=" --enable-intel-sse=yes" ;; armv7 | armv7s | arm64 | arm64e) ARCH_OPTIONS+=" --enable-arm-neon=yes" ;; esac cd ${BASEDIR}/src/${LIB_NAME} || exit 1 make distclean 2>/dev/null 1>/dev/null # RECONFIGURE IF REQUESTED if [[ ${RECONF_libpng} -eq 1 ]]; then autoreconf_library ${LIB_NAME} fi ./configure \ --prefix=${BASEDIR}/prebuilt/$(get_target_build_directory)/${LIB_NAME} \ --with-pic \ --with-sysroot=${SDK_PATH} \ --enable-static \ --disable-shared \ --disable-fast-install \ --disable-unversioned-libpng-pc \ --disable-unversioned-libpng-config \ ${ARCH_OPTIONS} \ --host=${BUILD_HOST} || exit 1 make -j$(get_cpu_count) || exit 1 # CREATE PACKAGE CONFIG MANUALLY create_libpng_package_config "1.6.37" make install || exit 1