cmake: don't create relocatable packages by default with non-MSVC too…

…lchains

CMakeLists.txt

@@ -88,6 +88,7 @@ cmake_dependent_option(SDLIMAGE_INSTALL "Enable SDL3_image install target" ${SDL
 cmake_dependent_option(SDLIMAGE_INSTALL_CPACK "Create binary SDL3_image archive using CPack" ${SDLIMAGE_ROOTPROJECT} "SDLIMAGE_INSTALL" OFF)
 cmake_dependent_option(SDLIMAGE_INSTALL_MAN "Install man pages for SDL3_image" OFF "SDLIMAGE_INSTALL" OFF)
 cmake_dependent_option(SDLIMAGE_DEPS_SHARED "Load dependencies dynamically" ON PLATFORM_SUPPORTS_SHARED OFF)
+cmake_dependent_option(SDLIMAGE_RELOCATABLE "Create relocatable SDL_image package" "${MSVC}" SDLIMAGE_INSTALL OFF)
 option(SDLIMAGE_VENDORED "Use vendored third-party libraries" ${vendored_default})
 option(SDLIMAGE_WERROR "Treat warnings as errors" OFF)
 
@@ -1076,9 +1077,13 @@ if(SDLIMAGE_INSTALL)
         COMPONENT devel
     )
 
-    file(RELATIVE_PATH SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${CMAKE_INSTALL_PREFIX}/${SDLIMAGE_PKGCONFIG_INSTALLDIR}" "${CMAKE_INSTALL_PREFIX}")
-    string(REGEX REPLACE "[/]+$" "" SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}")
-    set(SDL_PKGCONFIG_PREFIX "\${pcfiledir}/${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}")
+    if(SDLIMAGE_RELOCATABLE)
+      file(RELATIVE_PATH SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${CMAKE_INSTALL_PREFIX}/${SDLIMAGE_PKGCONFIG_INSTALLDIR}" "${CMAKE_INSTALL_PREFIX}")
+      string(REGEX REPLACE "[/]+$" "" SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG "${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}")
+      set(SDL_PKGCONFIG_PREFIX "\${pcfiledir}/${SDL_PATH_PREFIX_RELATIVE_TO_PKGCONFIG}")
+    else()
+      set(SDL_PKGCONFIG_PREFIX "${CMAKE_INSTALL_PREFIX}")
+    endif()
 
     string(JOIN " " PC_REQUIRES ${PC_REQUIRES})
     string(JOIN " " PC_LIBS ${PC_LIBS})

build-scripts/release-info.json

@@ -53,6 +53,7 @@
         "-DSDLIMAGE_XCF=ON",
         "-DSDLIMAGE_XPM=ON",
         "-DSDLIMAGE_XV=ON",
+        "-DSDLIMAGE_RELOCATABLE=ON",
         "-DSDLIMAGE_SAMPLES=OFF",
         "-DSDLIMAGE_TESTS=OFF",
         "-DSDLIMAGE_VENDORED=OFF"
@@ -148,6 +149,7 @@
         "-DSDLIMAGE_XCF=ON",
         "-DSDLIMAGE_XPM=ON",
         "-DSDLIMAGE_XV=ON",
+        "-DSDLIMAGE_RELOCATABLE=ON",
         "-DSDLIMAGE_SAMPLES=OFF",
         "-DSDLIMAGE_TESTS=OFF",
         "-DSDLIMAGE_VENDORED=ON"