imagelol: fix darwin and use system libpng (#454413)

pkgs/by-name/im/imagelol/package.nix

@@ -4,6 +4,8 @@
   fetchFromGitHub,
   fetchpatch,
   cmake,
+  libpng,
+  stb,
 }:
 
 stdenv.mkDerivation rec {
@@ -25,10 +27,11 @@ stdenv.mkDerivation rec {
       url = "https://github.com/MCredstoner2004/ImageLOL/commit/013fb1f901d88f5fd21a896bfab47c7fff0737d7.patch";
       hash = "sha256-RVaG2xbUqE4CxqI2lhvug2qihT6A8vN+pIfK58CXLDw=";
       includes = [ "imagelol/ImageLOL.inl" ];
-      # change lib/ for imagelol
       stripLen = 2;
       extraPrefix = "imagelol/";
     })
+    # use system libraries instead of bundled versions
+    ./use-system-libs.patch
   ];
 
   # fix for case-sensitive filesystems
@@ -36,28 +39,28 @@ stdenv.mkDerivation rec {
   postPatch = ''
     mv imagelol src
     substituteInPlace CMakeLists.txt \
-      --replace 'add_subdirectory("imagelol")' 'add_subdirectory("src")'
+      --replace-fail 'add_subdirectory("imagelol")' 'add_subdirectory("src")'
 
-    substituteInPlace External/zlib-no-examples/CMakeLists.txt \
-      --replace-fail "cmake_minimum_required(VERSION 2.4.4)" "cmake_minimum_required(VERSION 3.10)"
-    substituteInPlace External/libpng/CMakeLists.txt \
-      --replace-fail "cmake_minimum_required(VERSION 3.1)" "cmake_minimum_required(VERSION 3.10)" \
-      --replace-fail "cmake_policy(VERSION 3.1)" "cmake_policy(VERSION 3.10)"
+    # use system stb headers
+    substituteInPlace External/stb_image-cmake/CMakeLists.txt \
+      --replace-fail '"''${CMAKE_CURRENT_SOURCE_DIR}/../stb"' '"${stb}/include/stb"'
+
+    # remove bundled libraries
+    rm -r External/zlib External/zlib-no-examples External/libpng External/stb
   '';
 
   nativeBuildInputs = [ cmake ];
 
-  installPhase = ''
-    mkdir -p $out/bin
-    cp ./ImageLOL $out/bin
-  '';
+  buildInputs = [
+    libpng
+    stb
+  ];
 
-  cmakeFlags = [
-    (lib.cmakeFeature "CMAKE_C_FLAGS" "-std=gnu90")
-  ]
-  ++ lib.optional (
-    stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64
-  ) "-DPNG_ARM_NEON=off";
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 ImageLOL -t $out/bin
+    runHook postInstall
+  '';
 
   meta = with lib; {
     homepage = "https://github.com/MCredstoner2004/ImageLOL";
@@ -65,7 +68,6 @@ stdenv.mkDerivation rec {
     license = licenses.mit;
     maintainers = [ ];
     platforms = platforms.unix;
-    broken = stdenv.hostPlatform.isDarwin;
     mainProgram = "ImageLOL";
   };
 }

pkgs/by-name/im/imagelol/use-system-libs.patch

@@ -0,0 +1,32 @@
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -3,26 +3,12 @@
+ project(ImageLOL VERSION 0.0)
+ set(CMAKE_CXX_STANDARD 20)
+ set(CMAKE_CXX_STANDARD_REQUIRED True)
+-include_directories("External/zlib" "External/libpng")
+ add_subdirectory("External/stb_image-cmake")
+
+-set(SKIP_INSTALL_ALL ON CACHE BOOL "")
+-add_subdirectory("External/zlib-no-examples")
+-
+-set(PNG_BUILD_ZLIB ON CACHE BOOL "")
+-link_libraries(zlibstatic)
+-get_target_property(ZLIB_INCLUDE_DIRECTORIES zlibstatic INCLUDE_DIRECTORIES)
+-include_directories(${ZLIB_INCLUDE_DIRECTORIES})
+-set(ZLIB_INCLUDE_DIR ${ZLIB_INCLUDE_DIRECTORIES} CACHE PATH "")
+-set(PNG_SHARED OFF CACHE BOOL "")
+-set(PNG_EXECUTABLES OFF CACHE BOOL "")
+-add_subdirectory("External/libpng")
+-add_dependencies(png_static zlibstatic zlib)
+-add_dependencies(genfiles zlibstatic)
+-unset(SKIP_INSTALL_ALL CACHE)
+-get_target_property(LIBPNG_INCLUDE_DIRECTORIES png_static INCLUDE_DIRECTORIES)
++find_package(PNG REQUIRED)
++set(LIBPNG_INCLUDE_DIRECTORIES ${PNG_INCLUDE_DIRS})
+
+ add_subdirectory("imagelol")
+ add_executable(ImageLOL main.cpp)
+ target_include_directories(ImageLOL PRIVATE ${LIBPNG_INCLUDE_DIRECTORIES})
+-target_link_libraries(ImageLOL PRIVATE stb_image png_static zlibstatic libimagelol)
++target_link_libraries(ImageLOL PRIVATE stb_image PNG::PNG libimagelol)