From 5a8ccf4522a941a7421efeab9c7b8935022b2c72 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Fri, 3 Jun 2022 20:13:38 +0200
Subject: [PATCH] cmake: make VisualC's sdl2-config.cmake compatible with the
one from autotools
---
VisualC/pkg-support/cmake/sdl2-config.cmake | 128 ++++++++++++--------
1 file changed, 80 insertions(+), 48 deletions(-)
diff --git a/VisualC/pkg-support/cmake/sdl2-config.cmake b/VisualC/pkg-support/cmake/sdl2-config.cmake
index 8722b0db606..f01367837f8 100644
--- a/VisualC/pkg-support/cmake/sdl2-config.cmake
+++ b/VisualC/pkg-support/cmake/sdl2-config.cmake
@@ -3,29 +3,30 @@
cmake_minimum_required(VERSION 3.0)
-set(_sdl2_known_comps SDL2 SDL2main SDL2test)
-if(NOT SDL2_FIND_COMPONENTS)
- set(SDL2_FIND_COMPONENTS ${_sdl2_known_comps})
-endif()
+include(FeatureSummary)
+set_package_properties(SDL2 PROPERTIES
+ URL "https://www.libsdl.org/"
+ DESCRIPTION "low level access to audio, keyboard, mouse, joystick, and graphics hardware"
+)
+
+# Copied from `configure_package_config_file`
+macro(set_and_check _var _file)
+ set(${_var} "${_file}")
+ if(NOT EXISTS "${_file}")
+ message(FATAL_ERROR "File or directory ${_file} referenced by variable ${_var} does not exist !")
+ endif()
+endmacro()
-# Fail early when an unknown component is requested
-list(REMOVE_DUPLICATES SDL2_FIND_COMPONENTS)
-list(REMOVE_ITEM SDL2_FIND_COMPONENTS ${_sdl2_known_comps})
-if(SDL2_FIND_COMPONENTS)
- set(missing_required_comps)
- foreach(missingcomp ${SDL2_FIND_COMPONENTS})
- if(SDL2_FIND_REQUIRED_${missingcomp})
- list(APPEND missing_required_comps ${missingcomp})
+# Copied from `configure_package_config_file`
+macro(check_required_components _NAME)
+ foreach(comp ${${_NAME}_FIND_COMPONENTS})
+ if(NOT ${_NAME}_${comp}_FOUND)
+ if(${_NAME}_FIND_REQUIRED_${comp})
+ set(${_NAME}_FOUND FALSE)
+ endif()
endif()
endforeach()
- if(missing_required_comps)
- if(NOT SDL2_FIND_QUIETLY)
- message(WARNING "SDL2: following component(s) are not available: ${missing_required_comps}")
- endif()
- set(SDL2_FOUND FALSE)
- return()
- endif()
-endif()
+endmacro()
set(SDL2_FOUND TRUE)
@@ -38,42 +39,73 @@ else()
return()
endif()
-set(SDL2_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/../include")
-set(SDL2_INCLUDE_DIRS "${SDL2_INCLUDE_DIR}")
-set(SDL2_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2.lib")
-set(SDL2_DLL_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2.dll")
-set(SDL2main_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2main.lib")
-set(SDL2test_LIBRARY "${CMAKE_CURRENT_LIST_DIR}/../lib/${_sdl_arch_subdir}/SDL2test.lib")
+# For compatibility with autotools sdl2-config.cmake, provide SDL2_* variables.
+
+set_and_check(SDL2_PREFIX "${CMAKE_CURRENT_LIST_DIR}/..")
+set_and_check(SDL2_EXEC_PREFIX "${CMAKE_CURRENT_LIST_DIR}/..")
+set_and_check(SDL2_INCLUDE_DIR "${SDL2_PREFIX}/include/SDL2")
+set(SDL2_INCLUDE_DIRS "${CMAKE_CURRENT_LIST_DIR}/../include;${SDL2_INCLUDE_DIR}")
+set_and_check(SDL2_BINDIR "${SDL2_PREFIX}/lib/${_sdl_arch_subdir}")
+set_and_check(SDL2_LIBDIR "${SDL2_PREFIX}/lib/${_sdl_arch_subdir}")
+
+set(SDL2_LIBRARIES SDL2::SDL2main SDL2::SDL2)
+set(SDL2MAIN_LIBRARY SDL2::SDL2main)
+set(SDL2TEST_LIBRARY SDL2::SDL2test)
# All targets are created, even when some might not be requested though COMPONENTS.
# This is done for compatibility with CMake generated SDL2-target.cmake files.
-if(NOT TARGET SDL2::SDL2)
- add_library(SDL2::SDL2 SHARED IMPORTED)
- set_target_properties(SDL2::SDL2
- PROPERTIES
- INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
- IMPORTED_IMPLIB "${SDL2_LIBRARY}"
- IMPORTED_LOCATION "${SDL2_DLL_LIBRARY}"
- COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
- INTERFACE_SDL2_SHARED "ON"
- )
+set(_sdl2_library "${SDL2_LIBDIR}/SDL2.lib")
+set(_sdl2_dll_library "${SDL2_BINDIR}/SDL2.dll")
+if(EXISTS "${_sdl2_library}" AND EXISTS "${_sdl2_dll_library}")
+ if(NOT TARGET SDL2::SDL2)
+ add_library(SDL2::SDL2 SHARED IMPORTED)
+ set_target_properties(SDL2::SDL2
+ PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
+ IMPORTED_IMPLIB "${_sdl2_library}"
+ IMPORTED_LOCATION "${_sdl2_dll_library}"
+ COMPATIBLE_INTERFACE_BOOL "SDL2_SHARED"
+ INTERFACE_SDL2_SHARED "ON"
+ )
+ endif()
+ set(SDL2_SDL2_FOUND TRUE)
+else()
+ set(SDL2_SDL2_FOUND FALSE)
endif()
+unset(_sdl2_library)
+unset(_sdl2_dll_library)
-if(NOT TARGET SDL2::SDL2main)
- add_library(SDL2::SDL2main STATIC IMPORTED)
- set_target_properties(SDL2::SDL2main
+set(_sdl2main_library "${SDL2_LIBDIR}/SDL2main.lib")
+if(EXISTS "${_sdl2main_library}")
+ if(NOT TARGET SDL2::SDL2main)
+ add_library(SDL2::SDL2main STATIC IMPORTED)
+ set_target_properties(SDL2::SDL2main
PROPERTIES
- IMPORTED_LOCATION "${SDL2main_LIBRARY}"
- )
+ IMPORTED_LOCATION "${_sdl2main_library}"
+ )
+ endif()
+ set(SDL2_SDL2main_FOUND TRUE)
+else()
+ set(SDL2_SDL2_FOUND FALSE)
endif()
+unset(_sdl2main_library)
-if(NOT TARGET SDL2::SDL2test)
- add_library(SDL2::SDL2test STATIC IMPORTED)
- set_target_properties(SDL2::SDL2test
- PROPERTIES
- INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIR}"
- IMPORTED_LOCATION "${SDL2test_LIBRARY}"
- )
+set(_sdl2test_library "${SDL2_LIBDIR}/SDL2test.lib")
+if(EXISTS "${_sdl2test_library}")
+ if(NOT TARGET SDL2::SDL2test)
+ add_library(SDL2::SDL2test STATIC IMPORTED)
+ set_target_properties(SDL2::SDL2test
+ PROPERTIES
+ INTERFACE_INCLUDE_DIRECTORIES "${SDL2_INCLUDE_DIRS}"
+ IMPORTED_LOCATION "${_sdl2test_library}"
+ )
+ endif()
+ set(SDL2_SDL2test_FOUND TRUE)
+else()
+ set(SDL2_SDL2_FOUND FALSE)
endif()
+unset(_sdl2test_library)
+
+check_required_components(SDL2)