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set(LIBPNG_VER 1.6.37)
# Download the apng patch
set(LIBPNG_APNG_OPTION )
if ("apng" IN_LIST FEATURES)
# Get (g)awk installed
vcpkg_acquire_msys(MSYS_ROOT PACKAGES gawk)
set(AWK_EXE_PATH "${MSYS_ROOT}/usr/bin")
vcpkg_add_to_path("${AWK_EXE_PATH}")
set(LIBPNG_APG_PATCH_NAME libpng-${LIBPNG_VER}-apng.patch)
set(LIBPNG_APG_PATCH_PATH ${CURRENT_BUILDTREES_DIR}/src/${LIBPNG_APG_PATCH_NAME})
if (NOT EXISTS ${LIBPNG_APG_PATCH_PATH})
if (NOT EXISTS ${CURRENT_BUILDTREES_DIR}/src)
file(MAKE_DIRECTORY ${CURRENT_BUILDTREES_DIR}/src)
endif()
vcpkg_download_distfile(LIBPNG_APNG_PATCH_ARCHIVE
URLS "https://downloads.sourceforge.net/project/libpng-apng/libpng16/${LIBPNG_VER}/${LIBPNG_APG_PATCH_NAME}.gz"
FILENAME "${LIBPNG_APG_PATCH_NAME}.gz"
SHA512 226adcb3a8c60f2267fe2976ab531329ae43c2603dab4d0cf8f16217d64069936b879f3d6516b75d259c47d6f5c5b1f24f887602206c8e46abde0fb7f5c7946b
)
vcpkg_find_acquire_program(7Z)
vcpkg_execute_required_process(
COMMAND ${7Z} x ${LIBPNG_APNG_PATCH_ARCHIVE} -aoa
WORKING_DIRECTORY ${CURRENT_BUILDTREES_DIR}/src
LOGNAME extract-patch.log
)
endif()
set(APNG_EXTRA_PATCH ${LIBPNG_APG_PATCH_PATH})
set(LIBPNG_APNG_OPTION "-DPNG_PREFIX=a")
endif()
vcpkg_from_github(
OUT_SOURCE_PATH SOURCE_PATH
REPO glennrp/libpng
REF v${LIBPNG_VER}
SHA512 ccb3705c23b2724e86d072e2ac8cfc380f41fadfd6977a248d588a8ad57b6abe0e4155e525243011f245e98d9b7afbe2e8cc7fd4ff7d82fcefb40c0f48f88918
HEAD_REF master
PATCHES
use_abort.patch
cmake.patch
pkgconfig.patch
pkgconfig.2.patch
${APNG_EXTRA_PATCH}
fix-export-targets.patch
macos-arch-fix.patch
)
if(VCPKG_LIBRARY_LINKAGE STREQUAL dynamic)
set(PNG_STATIC_LIBS OFF)
set(PNG_SHARED_LIBS ON)
else()
set(PNG_STATIC_LIBS ON)
set(PNG_SHARED_LIBS OFF)
endif()
set(LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION )
if(VCPKG_TARGET_IS_IOS)
list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_HARDWARE_OPTIMIZATIONS=OFF")
endif()
set(LD_VERSION_SCRIPT_OPTION )
if(VCPKG_TARGET_IS_ANDROID)
set(LD_VERSION_SCRIPT_OPTION "-Dld-version-script=OFF")
# for armeabi-v7a, check whether NEON is available
list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_ARM_NEON=check")
else()
list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_ARM_NEON=on")
endif()
vcpkg_cmake_configure(
SOURCE_PATH ${SOURCE_PATH}
OPTIONS
-DPNG_MAN_DIR=share/${PORT}/man
${LIBPNG_APNG_OPTION}
${LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION}
${LD_VERSION_SCRIPT_OPTION}
-DPNG_STATIC=${PNG_STATIC_LIBS}
-DPNG_SHARED=${PNG_SHARED_LIBS}
-DPNG_TESTS=OFF
-DSKIP_INSTALL_PROGRAMS=ON
-DSKIP_INSTALL_EXECUTABLES=ON
-DSKIP_INSTALL_FILES=OFF
OPTIONS_DEBUG
-DSKIP_INSTALL_HEADERS=ON
)
vcpkg_cmake_install()
vcpkg_cmake_config_fixup(CONFIG_PATH lib/libpng)
set(_file "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libpng16.pc")
if(EXISTS ${_file})
file(READ "${_file}" _contents)
if(VCPKG_TARGET_IS_WINDOWS)
string(REGEX REPLACE "-lpng16(d)?" "-llibpng16d" _contents "${_contents}")
else()
string(REGEX REPLACE "-lpng16(d)?" "-lpng16d" _contents "${_contents}")
endif()
if(VCPKG_TARGET_IS_MINGW)
string(REPLACE "-lz" "-lzlibd" _contents "${_contents}")
else()
string(REPLACE "-lzlib" "-lzlibd" _contents "${_contents}")
endif()
file(WRITE "${_file}" "${_contents}")
endif()
set(_file "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libpng.pc")
if(EXISTS ${_file})
file(READ "${_file}" _contents)
if(VCPKG_TARGET_IS_WINDOWS)
string(REGEX REPLACE "-lpng16(d)?" "-llibpng16d" _contents "${_contents}")
else()
string(REGEX REPLACE "-lpng16(d)?" "-lpng16d" _contents "${_contents}")
endif()
if(VCPKG_TARGET_IS_MINGW)
string(REPLACE "-lz" "-lzlibd" _contents "${_contents}")
else()
string(REPLACE "-lzlib" "-lzlibd" _contents "${_contents}")
endif()
file(WRITE "${_file}" "${_contents}")
endif()
if(VCPKG_TARGET_IS_WINDOWS)
set(_file "${CURRENT_PACKAGES_DIR}/lib/pkgconfig/libpng16.pc")
if(EXISTS ${_file})
file(READ "${_file}" _contents)
string(REPLACE "-lpng16" "-llibpng16" _contents "${_contents}")
if(VCPKG_TARGET_IS_MINGW)
string(REPLACE "-lz" "-lzlib" _contents "${_contents}")
endif()
file(WRITE "${_file}" "${_contents}")
endif()
set(_file "${CURRENT_PACKAGES_DIR}/lib/pkgconfig/libpng.pc")
if(EXISTS ${_file})
file(READ "${_file}" _contents)
string(REPLACE "-lpng16" "-llibpng16" _contents "${_contents}")
if(VCPKG_TARGET_IS_MINGW)
string(REPLACE "-lz" "-lzlib" _contents "${_contents}")
endif()
file(WRITE "${_file}" "${_contents}")
endif()
endif()
vcpkg_fixup_pkgconfig(SYSTEM_LIBRARIES m)
vcpkg_copy_pdbs()
file(REMOVE_RECURSE ${CURRENT_PACKAGES_DIR}/debug/share)
file(INSTALL ${SOURCE_PATH}/LICENSE DESTINATION ${CURRENT_PACKAGES_DIR}/share/${PORT} RENAME copyright)
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