(conan-io#25281) [vulkan-validationlayers] Add support for Android

* Build vulkan-validationlayers for Android

Signed-off-by: Uilian Ries <uilianries@gmail.com>

* update package type to static type

Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Add fPIC option

Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Fix fpic management on Windows

Signed-off-by: Uilian Ries <uilianries@gmail.com>

* Remove Wayland support on Android

* Added system_libs for android

---------

Signed-off-by: Uilian Ries <uilianries@gmail.com>
Co-authored-by: PerseoGI <perseog@jfrog.com>

recipes/vulkan-validationlayers/all/conanfile.py

@@ -23,14 +23,16 @@ class VulkanValidationLayersConan(ConanFile):
     topics = ("vulkan", "validation-layers")
     homepage = "https://github.com/KhronosGroup/Vulkan-ValidationLayers"
     url = "https://github.com/conan-io/conan-center-index"
-
+    package_type = "static-library"
     settings = "os", "arch", "compiler", "build_type"
     options = {
+        "fPIC": [True, False],
         "with_wsi_xcb": [True, False],
         "with_wsi_xlib": [True, False],
         "with_wsi_wayland": [True, False],
     }
     default_options = {
+        "fPIC": True,
         "with_wsi_xcb": True,
         "with_wsi_xlib": True,
         "with_wsi_wayland": True,
@@ -90,6 +92,8 @@ def config_options(self):
             del self.options.with_wsi_xcb
             del self.options.with_wsi_xlib
             del self.options.with_wsi_wayland
+        if self.settings.os == "Windows":
+            del self.options.fPIC
 
     def layout(self):
         cmake_layout(self, src_folder="src")
@@ -153,9 +157,13 @@ def generate(self):
             tc.variables["VULKAN_HEADERS_INSTALL_DIR"] = self.dependencies["vulkan-headers"].package_folder.replace("\\", "/")
         tc.variables["USE_CCACHE"] = False
         if self.settings.os in ["Linux", "FreeBSD"]:
-            tc.variables["BUILD_WSI_XCB_SUPPORT"] = self.options.with_wsi_xcb
-            tc.variables["BUILD_WSI_XLIB_SUPPORT"] = self.options.with_wsi_xlib
-            tc.variables["BUILD_WSI_WAYLAND_SUPPORT"] = self.options.with_wsi_wayland
+            tc.variables["BUILD_WSI_XCB_SUPPORT"] = self.options.get_safe("with_wsi_xcb")
+            tc.variables["BUILD_WSI_XLIB_SUPPORT"] = self.options.get_safe("with_wsi_xlib")
+            tc.variables["BUILD_WSI_WAYLAND_SUPPORT"] = self.options.get_safe("with_wsi_wayland")
+        elif self.settings.os == "Android":
+            tc.variables["BUILD_WSI_XCB_SUPPORT"] = False
+            tc.variables["BUILD_WSI_XLIB_SUPPORT"] = False
+            tc.variables["BUILD_WSI_WAYLAND_SUPPORT"] = False
         tc.variables["BUILD_WERROR"] = False
         tc.variables["BUILD_TESTS"] = False
         tc.variables["INSTALL_TESTS"] = False
@@ -190,6 +198,14 @@ def _patch_sources(self):
                 os.path.join(self.generators_folder, "SPIRV-ToolsConfig.cmake"),
                 os.path.join(self.generators_folder, "SPIRV-Tools-optConfig.cmake"),
             )
+        if self.settings.os == "Android":
+            # INFO: libVkLayer_utils.a: error: undefined symbol: __android_log_print
+            # https://github.com/KhronosGroup/Vulkan-ValidationLayers/commit/a26638ae9fdd8c40b56d4c7b72859a5b9a0952c9
+            replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
+                        "VkLayer_utils PUBLIC Vulkan::Headers", "VkLayer_utils PUBLIC Vulkan::Headers -landroid -llog")
+        if not self.options.get_safe("fPIC"):
+            replace_in_file(self, os.path.join(self.source_folder, "CMakeLists.txt"),
+                        "CMAKE_POSITION_INDEPENDENT_CODE ON", "CMAKE_POSITION_INDEPENDENT_CODE OFF")
 
     def build(self):
         self._patch_sources()
@@ -239,3 +255,6 @@ def package_info(self):
 
         # TODO: to remove after conan v2, it allows to not break consumers still relying on virtualenv generator
         self.env_info.VK_LAYER_PATH.append(vk_layer_path)
+
+        if self.settings.os == "Android":
+            self.cpp_info.system_libs.extend(["android", "log"])