Merge pull request #1 from hunter-packages/pr.cmake

add cmake w/ package config install

CMakeLists.txt

@@ -0,0 +1,111 @@
+cmake_minimum_required(VERSION 3.0.0)
+
+project(giflib VERSION 5.1.4)
+
+set(GIFLIB_SRCS
+    "lib/dgif_lib.c"
+    "lib/egif_lib.c"
+    "lib/gif_font.c"
+    "lib/gif_hash.h"
+    "lib/gifalloc.c"
+    "lib/openbsd-reallocarray.c"
+    "lib/gif_err.c"
+    "lib/quantize.c"
+    "lib/gif_hash.c"
+    "lib/gif_lib.h"
+    "lib/gif_lib_private.h"
+)
+set(GIFLIB_INCLUDES
+    "lib/gif_lib.h"
+)
+
+add_library(giflib ${GIFLIB_SRCS})
+
+if (WIN32)
+  # Suppress warnings to reduce build log size.
+  target_compile_options(giflib PRIVATE
+    "/wd4267"
+    "/wd4244"
+    "/wd4800"
+    "/wd4503"
+    "/wd4554"
+    "/wd4996"
+    "/wd4348"
+    "/wd4018"
+    "/wd4099"
+    "/wd4146"
+    "/wd4267"
+    "/wd4305"
+    "/wd4307"
+    "/wd4715"
+    "/wd4722"
+    "/wd4723"
+    "/wd4838"
+    "/wd4309"
+    "/wd4334"
+    "/wd4003"
+    "/wd4244"
+    "/wd4267"
+    "/wd4503"
+    "/wd4506"
+    "/wd4800"
+    "/wd4996"
+    "/wd8029"
+    )
+endif()
+
+target_include_directories(giflib
+  PUBLIC
+  "$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/lib>"
+)
+
+### Install ###
+set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
+
+set(config_install_dir "lib/cmake/${PROJECT_NAME}")
+set(include_install_dir "include")
+
+set(version_config "${generated_dir}/${PROJECT_NAME}ConfigVersion.cmake")
+set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
+set(targets_export_name "${PROJECT_NAME}Targets")
+set(namespace "${PROJECT_NAME}::")
+
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  "${version_config}" COMPATIBILITY SameMajorVersion
+  )
+
+# Note: use 'targets_export_name'
+configure_package_config_file(
+  "${PROJECT_SOURCE_DIR}/cmake/Config.cmake.in"
+  "${project_config}"
+  INSTALL_DESTINATION "${config_install_dir}"
+  )
+
+install(
+  TARGETS ${PROJECT_NAME}
+  EXPORT "${targets_export_name}"
+  LIBRARY DESTINATION "lib"
+  ARCHIVE DESTINATION "lib"
+  RUNTIME DESTINATION "bin"
+  INCLUDES DESTINATION "${include_install_dir}"
+  )
+
+# expects: include <gif_lib.h>
+install(
+  FILES "lib/gif_lib.h"
+  DESTINATION "${include_install_dir}"
+  )
+
+install(
+  FILES "${project_config}" "${version_config}"
+  DESTINATION "${config_install_dir}"
+  )
+
+install(
+  EXPORT "${targets_export_name}"
+  NAMESPACE "${namespace}"
+  DESTINATION "${config_install_dir}"
+  )
+
+

cmake/Config.cmake.in

@@ -0,0 +1,4 @@
+@PACKAGE_INIT@
+
+include("${CMAKE_CURRENT_LIST_DIR}/@[email protected]")
+check_required_components("@PROJECT_NAME@")