[libpng] Update to 1.6.44, add feature tools (#42058)

Co-authored-by: Kai Pastor <dg0yt@darc.de>

ports/libpng/fix-export-targets.patch

@@ -1,17 +0,0 @@
-diff --git a/CMakeLists.txt b/CMakeLists.txt
-index eaba327..dbd31d7 100644
---- a/CMakeLists.txt
-+++ b/CMakeLists.txt
-@@ -1126,6 +1126,12 @@ if(NOT SKIP_INSTALL_EXPORT AND NOT SKIP_INSTALL_ALL)
-   install(EXPORT libpng
-           DESTINATION ${CMAKE_INSTALL_LIBDIR}/libpng
-           FILE libpng${PNGLIB_ABI_VERSION}.cmake)
-+  file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/libpng-config.cmake" "
-+  include(CMakeFindDependencyMacro)
-+  find_dependency(ZLIB)
-+  include(\"\${CMAKE_CURRENT_LIST_DIR}/libpng${PNGLIB_ABI_VERSION}.cmake\")
-+  ")
-+  install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libpng-config.cmake" DESTINATION "${CMAKE_INSTALL_LIBDIR}/libpng")
- endif()
- 
- # TODO: Create MSVC import lib for MinGW-compiled shared lib.

ports/libpng/fix-msa-support-for-mips.patch

@@ -5,7 +5,7 @@ index 3857b82..4c68989 100644
 @@ -221,8 +221,8 @@ endif()
  
  # Set definitions and sources for MIPS.
- if(TARGET_ARCH MATCHES "^(mipsel|mips64el)")
+ if(PNG_TARGET_ARCHITECTURE MATCHES "^(mipsel|mips64el)")
 -  set(PNG_MIPS_MSA_POSSIBLE_VALUES on off)
 -  set(PNG_MIPS_MSA "on"
 +  set(PNG_MIPS_MSA_POSSIBLE_VALUES on off check)

ports/libpng/fix-tools-static.patch

@@ -0,0 +1,16 @@
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index 3857b82..4c68989 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -963,9 +963,9 @@
+                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)
++  target_link_libraries(pngfix 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})

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()

ports/libpng/portfile.cmake

@@ -12,7 +12,7 @@ if ("apng" IN_LIST FEATURES)
     vcpkg_download_distfile(LIBPNG_APNG_PATCH_ARCHIVE
         URLS "https://downloads.sourceforge.net/project/libpng-apng/libpng16/${VERSION}/${LIBPNG_APNG_PATCH_NAME}.gz"
         FILENAME "${LIBPNG_APNG_PATCH_NAME}.gz"
-        SHA512 a724f7de486920cb119818f7172fb589bc2c3c1cc1f81bb5c4da0609ab108ef9ef7406cf689a20bc4e8da69647847f550ed497b3fa99a10539e9a0abf492c053
+        SHA512 ea89018a02ed171b82af9644ec2ff658c8a288e99b5470c7a3fd142c6fa95bbe19cd34c4fae654bc8783b41c3eb3b2d15b486bda3b0307ec3090e99f34465e20
     )
     set(LIBPNG_APNG_PATCH_PATH "${CURRENT_BUILDTREES_DIR}/src/${LIBPNG_APNG_PATCH_NAME}")
     if (NOT EXISTS "${LIBPNG_APNG_PATCH_PATH}")
@@ -30,20 +30,28 @@ vcpkg_from_github(
     OUT_SOURCE_PATH SOURCE_PATH
     REPO glennrp/libpng
     REF v${VERSION}
-    SHA512 3bb2a7b73113be42b09c2116e6c6f5a7ddb4e2ab06e0b13e10b7314acdccc4bb624ff602e16140c0484f6cde80efa190296226be3da195c6926819f07c723c12
+    SHA512 c023bc7dcf3d0ea045a63204f2266b2c53b601b99d7c5f5a7b547bc9a48b205a277f699eefa47f136483f495175b226527097cd447d6b0fbceb029eb43638f63
     HEAD_REF master
     PATCHES
         "${LIBPNG_APNG_PATCH_PATH}"
         cmake.patch
-        fix-export-targets.patch
         libm.patch
         pkgconfig.patch
         fix-msa-support-for-mips.patch
+        fix-tools-static.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")
@@ -77,18 +85,22 @@ vcpkg_cmake_configure(
         -DPNG_SHARED=${PNG_SHARED}
         -DPNG_FRAMEWORK=OFF
         -DPNG_TESTS=OFF
-        -DSKIP_INSTALL_PROGRAMS=ON
         -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/${PORT}")
+
 vcpkg_fixup_pkgconfig()
 if(VCPKG_TARGET_IS_WINDOWS AND NOT VCPKG_TARGET_IS_MINGW)
     if(NOT VCPKG_BUILD_TYPE)
@@ -103,6 +115,11 @@ endif()
 file(INSTALL "${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")

ports/libpng/usage

@@ -1,4 +1,4 @@
-The package libpng is compatible with built-in CMake targets:
+libpng provides CMake targets:
 
   find_package(PNG REQUIRED)
   target_link_libraries(main PRIVATE PNG::PNG)

ports/libpng/vcpkg.json

@@ -1,7 +1,6 @@
 {
   "name": "libpng",
-  "version": "1.6.43",
-  "port-version": 3,
+  "version": "1.6.44",
   "description": "libpng is a library implementing an interface for reading and writing PNG (Portable Network Graphics) format files",
   "homepage": "https://github.com/glennrp/libpng",
   "license": "libpng-2.0",
@@ -24,6 +23,10 @@
   "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"
     }
   }
 }

versions/baseline.json

@@ -4969,8 +4969,8 @@
       "port-version": 1
     },
     "libpng": {
-      "baseline": "1.6.43",
-      "port-version": 3
+      "baseline": "1.6.44",
+      "port-version": 0
     },
     "libpopt": {
       "baseline": "1.16",

versions/l-/libpng.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "bda480fe3c3cef1113fe8bfdecda127a5b3b2a77",
+      "version": "1.6.44",
+      "port-version": 0
+    },
     {
       "git-tree": "9c7fd06f1cdd1dfc08b35ca9d6b0ba470cdd2470",
       "version": "1.6.43",