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authorEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
committerEthan Morgan <ethan@gweithio.com>2026-02-14 16:44:06 +0000
commit54409423f767d8b1cf30cb7d0efca6b4ca138823 (patch)
treed915ac7828703ce4b963efdd9728a1777ba18c1e /vcpkg/ports/libpng
move to own git serverHEADmaster
Diffstat (limited to 'vcpkg/ports/libpng')
-rw-r--r--vcpkg/ports/libpng/cmake.patch92
-rw-r--r--vcpkg/ports/libpng/libpng-config.cmake12
-rw-r--r--vcpkg/ports/libpng/portfile.cmake121
-rw-r--r--vcpkg/ports/libpng/usage4
-rw-r--r--vcpkg/ports/libpng/vcpkg-cmake-wrapper.cmake3
-rw-r--r--vcpkg/ports/libpng/vcpkg.json32
6 files changed, 264 insertions, 0 deletions
diff --git a/vcpkg/ports/libpng/cmake.patch b/vcpkg/ports/libpng/cmake.patch
new file mode 100644
index 0000000..ebac200
--- /dev/null
+++ b/vcpkg/ports/libpng/cmake.patch
@@ -0,0 +1,92 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index d91e3a6c3..249d04c0f 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -144,6 +144,12 @@ set(PNG_LINK_LIBRARIES ZLIB::ZLIB)
+ # Find the math library (unless we already know it's not available or
+ # not needed).
+ if(UNIX AND NOT (APPLE OR BEOS OR HAIKU OR EMSCRIPTEN))
++ block(SCOPE_FOR VARIABLES)
++ if(VCPKG_CRT_LINKAGE STREQUAL "static")
++ list(PREPEND CMAKE_FIND_LIBRARY_SUFFIXES "${CMAKE_STATIC_LIBRARY_SUFFIX}")
++ endif()
++ check_library_exists(m pow "${CMAKE_C_IMPLICIT_LINK_DIRECTORIES}" PNG_HAVE_LIBM_POW)
++ endblock()
+ check_library_exists(m pow "" PNG_HAVE_LIBM_POW)
+ endif()
+ if(PNG_HAVE_LIBM_POW)
+@@ -240,9 +246,9 @@ if(PNG_HARDWARE_OPTIMIZATIONS)
+
+ # Set definitions and sources for MIPS.
+ if(PNG_TARGET_ARCHITECTURE MATCHES "^(mipsel|mips64el)")
+- set(PNG_MIPS_MSA_POSSIBLE_VALUES on off)
++ set(PNG_MIPS_MSA_POSSIBLE_VALUES on off check)
+ set(PNG_MIPS_MSA
+- "on"
++ "check"
+ CACHE STRING "Enable MIPS_MSA optimizations: on|off; on is default")
+ set_property(CACHE PNG_MIPS_MSA
+ PROPERTY STRINGS ${PNG_MIPS_MSA_POSSIBLE_VALUES})
+@@ -269,6 +275,12 @@ if(PNG_HARDWARE_OPTIMIZATIONS)
+ mips/filter_mmi_inline_assembly.c)
+ add_definitions(-DPNG_MIPS_MSA_OPT=2)
+ add_definitions(-DPNG_MIPS_MMI_OPT=1)
++ elseif(PNG_MIPS_MSA STREQUAL "check")
++ set(libpng_mips_sources
++ mips/mips_init.c
++ mips/filter_msa_intrinsics.c)
++ add_definitions(-DPNG_MIPS_MSA_CHECK_SUPPORTED)
++ add_definitions(-DPNG_MIPS_MMI_CHECK_SUPPORTED)
+ elseif(PNG_MIPS_MSA STREQUAL "on")
+ set(libpng_mips_sources
+ mips/mips_init.c
+@@ -661,7 +673,7 @@ else()
+ # We also need to use a custom suffix, in order to distinguish between the
+ # shared import library name and the static library name.
+ set(PNG_SHARED_OUTPUT_NAME "libpng${PNGLIB_ABI_VERSION}")
+- set(PNG_STATIC_OUTPUT_NAME "libpng${PNGLIB_ABI_VERSION}_static")
++ set(PNG_STATIC_OUTPUT_NAME "libpng${PNGLIB_ABI_VERSION}")
+ endif()
+
+ if(PNG_SHARED)
+@@ -939,10 +951,10 @@ if(PNG_TESTS AND PNG_SHARED)
+ FILES ${PNGSUITE_PNGS})
+ endif()
+
+-if(PNG_SHARED AND PNG_TOOLS)
++if(PNG_TOOLS)
+ add_executable(pngfix ${pngfix_sources})
+ target_link_libraries(pngfix
+- PRIVATE png_shared)
++ PRIVATE $<TARGET_NAME_IF_EXISTS:png_shared> $<TARGET_NAME_IF_EXISTS:png_static>) # in vcpkg there's only one
+ set(PNG_BIN_TARGETS pngfix)
+
+ add_executable(png-fix-itxt ${png_fix_itxt_sources})
+@@ -1028,12 +1040,15 @@ endif()
+ # We use the same files like ./configure, so we have to set its vars.
+ # Only do this on Windows for Cygwin - the files don't make much sense
+ # outside of a UNIX look-alike.
+-if(NOT WIN32 OR CYGWIN OR MINGW)
++if(1)
+ set(prefix "${CMAKE_INSTALL_PREFIX}")
+ set(exec_prefix "${CMAKE_INSTALL_PREFIX}")
+ set(libdir "${CMAKE_INSTALL_FULL_LIBDIR}")
+ set(includedir "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+- set(LIBS "-lz -lm")
++ set(LIBS "")
++ if(PNG_HAVE_LIBM_POW)
++ string(APPEND LIBS "-lm")
++ endif()
+ configure_file("${CMAKE_CURRENT_SOURCE_DIR}/libpng.pc.in"
+ "${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc"
+ @ONLY)
+@@ -1092,6 +1107,9 @@ if(NOT SKIP_INSTALL_PROGRAMS AND NOT SKIP_INSTALL_ALL)
+ endif()
+
+ if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL)
++ install(FILES ${CMAKE_CURRENT_BINARY_DIR}/libpng${PNGLIB_ABI_VERSION}.pc
++ DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
++elseif(0)
+ # Install the man pages.
+ install(FILES libpng.3 libpngpf.3
+ DESTINATION "${CMAKE_INSTALL_MANDIR}/man3")
diff --git a/vcpkg/ports/libpng/libpng-config.cmake b/vcpkg/ports/libpng/libpng-config.cmake
new file mode 100644
index 0000000..a264448
--- /dev/null
+++ b/vcpkg/ports/libpng/libpng-config.cmake
@@ -0,0 +1,12 @@
+file(READ "${CMAKE_CURRENT_LIST_DIR}/usage" usage)
+message(WARNING "find_package(libpng) is deprecated.\n${usage}")
+
+include(CMakeFindDependencyMacro)
+find_dependency(PNG CONFIG)
+
+if(NOT TARGET png_shared)
+ add_library(png_shared ALIAS PNG::PNG)
+endif()
+if(NOT TARGET png_static)
+ add_library(png_static ALIAS PNG::PNG)
+endif()
diff --git a/vcpkg/ports/libpng/portfile.cmake b/vcpkg/ports/libpng/portfile.cmake
new file mode 100644
index 0000000..fd97525
--- /dev/null
+++ b/vcpkg/ports/libpng/portfile.cmake
@@ -0,0 +1,121 @@
+# Download the apng patch
+set(LIBPNG_APNG_PATCH_PATH "")
+if ("apng" IN_LIST FEATURES)
+ if(VCPKG_HOST_IS_WINDOWS)
+ # Get (g)awk and gzip installed
+ vcpkg_acquire_msys(MSYS_ROOT PACKAGES gawk gzip)
+ set(AWK_EXE_PATH "${MSYS_ROOT}/usr/bin")
+ vcpkg_add_to_path("${AWK_EXE_PATH}")
+ endif()
+
+ set(LIBPNG_APNG_PATCH_NAME "libpng-${VERSION}-apng.patch")
+ vcpkg_download_distfile(LIBPNG_APNG_PATCH_ARCHIVE
+ URLS "https://downloads.sourceforge.net/project/libpng-apng/libpng16/${VERSION}/${LIBPNG_APNG_PATCH_NAME}.gz"
+ FILENAME "${LIBPNG_APNG_PATCH_NAME}.gz"
+ SHA512 f9b3b5ef42a7d3e61b435af69e04174c9ea6319d8fc8b5fd3443a3a9f0a0e9803bc2b0fe6658a91d0a76b06dfd846d29b63edffebeedd1cb26f4d2cf0c87f8b1
+ )
+ set(LIBPNG_APNG_PATCH_PATH "${CURRENT_BUILDTREES_DIR}/src/${LIBPNG_APNG_PATCH_NAME}")
+ if (NOT EXISTS "${LIBPNG_APNG_PATCH_PATH}")
+ file(INSTALL "${LIBPNG_APNG_PATCH_ARCHIVE}" DESTINATION "${CURRENT_BUILDTREES_DIR}/src")
+ vcpkg_execute_required_process(
+ COMMAND gzip -d "${LIBPNG_APNG_PATCH_NAME}.gz"
+ WORKING_DIRECTORY "${CURRENT_BUILDTREES_DIR}/src"
+ ALLOW_IN_DOWNLOAD_MODE
+ LOGNAME extract-patch.log
+ )
+ endif()
+endif()
+
+vcpkg_from_github(
+ OUT_SOURCE_PATH SOURCE_PATH
+ REPO pnggroup/libpng
+ REF v${VERSION}
+ SHA512 34c806e0dda960b480ce2f5ea13e2e55a9540f07c51948be25d312b901c431bc814f730f9322a2e3b6f88d4104a0c49bde9e616762b342d07db44e2c7fd5f2dc
+ HEAD_REF master
+ PATCHES
+ "${LIBPNG_APNG_PATCH_PATH}"
+ cmake.patch
+)
+
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "dynamic" PNG_SHARED)
+string(COMPARE EQUAL "${VCPKG_LIBRARY_LINKAGE}" "static" PNG_STATIC)
+
+vcpkg_check_features(
+ OUT_FEATURE_OPTIONS FEATURE_OPTIONS
+ FEATURES
+ tools PNG_TOOLS
+ INVERTED_FEATURES
+ tools SKIP_INSTALL_PROGRAMS
+)
+
+vcpkg_list(SET LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION)
+if(VCPKG_TARGET_IS_IOS)
+ vcpkg_list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_HARDWARE_OPTIMIZATIONS=OFF")
+endif()
+
+vcpkg_list(SET LD_VERSION_SCRIPT_OPTION)
+if(VCPKG_TARGET_IS_ANDROID)
+ vcpkg_list(APPEND LD_VERSION_SCRIPT_OPTION "-Dld-version-script=OFF")
+ if(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm")
+ vcpkg_cmake_get_vars(cmake_vars_file)
+ include("${cmake_vars_file}")
+ if(VCPKG_DETECTED_CMAKE_ANDROID_ARM_NEON)
+ vcpkg_list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_ARM_NEON=on")
+ else()
+ # for armeabi-v7a, check whether NEON is available
+ vcpkg_list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_ARM_NEON=check")
+ endif()
+ endif()
+endif()
+
+if(VCPKG_TARGET_ARCHITECTURE STREQUAL "arm64" AND VCPKG_TARGET_IS_LINUX)
+ vcpkg_list(APPEND LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION "-DPNG_ARM_NEON=on")
+endif()
+
+vcpkg_cmake_configure(
+ SOURCE_PATH "${SOURCE_PATH}"
+ OPTIONS
+ ${LIBPNG_HARDWARE_OPTIMIZATIONS_OPTION}
+ ${LD_VERSION_SCRIPT_OPTION}
+ -DPNG_STATIC=${PNG_STATIC}
+ -DPNG_SHARED=${PNG_SHARED}
+ -DPNG_FRAMEWORK=OFF
+ -DPNG_TESTS=OFF
+ -DSKIP_INSTALL_EXECUTABLES=ON
+ -DSKIP_INSTALL_FILES=OFF
+ ${FEATURE_OPTIONS}
+ OPTIONS_DEBUG
+ -DSKIP_INSTALL_HEADERS=ON
+ MAYBE_UNUSED_VARIABLES
+ PNG_ARM_NEON
+)
+vcpkg_cmake_install()
+vcpkg_cmake_config_fixup(PACKAGE_NAME png CONFIG_PATH lib/cmake/PNG)
+vcpkg_cmake_config_fixup(CONFIG_PATH lib/libpng)
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/vcpkg-cmake-wrapper.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/png")
+
+# unofficial legacy usage
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/libpng-config.cmake" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+
+vcpkg_fixup_pkgconfig()
+if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
+ if(NOT VCPKG_BUILD_TYPE)
+ vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libpng16.pc" "-lpng16" "-llibpng16d")
+ file(INSTALL "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libpng16.pc" DESTINATION "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig" RENAME "libpng.pc")
+ endif()
+ vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/lib/pkgconfig/libpng16.pc" "-lpng16" "-llibpng16")
+elseif(NOT VCPKG_BUILD_TYPE)
+ vcpkg_replace_string("${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libpng16.pc" "-lpng16" "-lpng16d")
+ file(INSTALL "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig/libpng16.pc" DESTINATION "${CURRENT_PACKAGES_DIR}/debug/lib/pkgconfig" RENAME "libpng.pc")
+endif()
+file(INSTALL "${CURRENT_PACKAGES_DIR}/lib/pkgconfig/libpng16.pc" DESTINATION "${CURRENT_PACKAGES_DIR}/lib/pkgconfig" RENAME "libpng.pc")
+
+vcpkg_copy_pdbs()
+
+if(PNG_TOOLS)
+ vcpkg_copy_tools(TOOL_NAMES "pngfix" "png-fix-itxt" AUTO_CLEAN)
+endif()
+
+file(REMOVE_RECURSE "${CURRENT_PACKAGES_DIR}/debug/share")
+file(INSTALL "${CMAKE_CURRENT_LIST_DIR}/usage" DESTINATION "${CURRENT_PACKAGES_DIR}/share/${PORT}")
+vcpkg_install_copyright(FILE_LIST "${SOURCE_PATH}/LICENSE")
diff --git a/vcpkg/ports/libpng/usage b/vcpkg/ports/libpng/usage
new file mode 100644
index 0000000..628d844
--- /dev/null
+++ b/vcpkg/ports/libpng/usage
@@ -0,0 +1,4 @@
+libpng provides CMake targets:
+
+ find_package(PNG REQUIRED)
+ target_link_libraries(main PRIVATE PNG::PNG)
diff --git a/vcpkg/ports/libpng/vcpkg-cmake-wrapper.cmake b/vcpkg/ports/libpng/vcpkg-cmake-wrapper.cmake
new file mode 100644
index 0000000..de1e087
--- /dev/null
+++ b/vcpkg/ports/libpng/vcpkg-cmake-wrapper.cmake
@@ -0,0 +1,3 @@
+find_library(PNG_LIBRARY_RELEASE NAMES png16 libpng16 NAMES_PER_DIR PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/lib" NO_DEFAULT_PATH)
+find_library(PNG_LIBRARY_DEBUG NAMES png16d libpng16d NAMES_PER_DIR PATHS "${_VCPKG_INSTALLED_DIR}/${VCPKG_TARGET_TRIPLET}/debug/lib" NO_DEFAULT_PATH)
+_find_package(${ARGS})
diff --git a/vcpkg/ports/libpng/vcpkg.json b/vcpkg/ports/libpng/vcpkg.json
new file mode 100644
index 0000000..5334931
--- /dev/null
+++ b/vcpkg/ports/libpng/vcpkg.json
@@ -0,0 +1,32 @@
+{
+ "name": "libpng",
+ "version": "1.6.50",
+ "description": "libpng is a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files",
+ "homepage": "https://github.com/pnggroup/libpng",
+ "license": "libpng-2.0",
+ "dependencies": [
+ {
+ "name": "vcpkg-cmake",
+ "host": true
+ },
+ {
+ "name": "vcpkg-cmake-config",
+ "host": true
+ },
+ {
+ "name": "vcpkg-cmake-get-vars",
+ "host": true,
+ "platform": "arm & android"
+ },
+ "zlib"
+ ],
+ "features": {
+ "apng": {
+ "description": "This is backward compatible with the regular libpng, both in library usage and format"
+ },
+ "tools": {
+ "description": "Build the libpng tools",
+ "supports": "!android & !ios"
+ }
+ }
+}