use Patches and fix packaging

eaassert/all/conanfile.py

@@ -2,7 +2,7 @@ import os
 
 from conan import ConanFile
 from conan.tools.cmake import CMake, CMakeDeps, CMakeToolchain, cmake_layout
-from conan.tools.files import copy, get, replace_in_file, rmdir
+from conan.tools.files import apply_conandata_patches, copy, export_conandata_patches, get, rmdir
 
 required_conan_version = ">=1.52.0"
 
@@ -26,6 +26,9 @@ class EAAssertConan(ConanFile):
         "fPIC": True,
     }
 
+    def export_sources(self):
+        export_conandata_patches(self)
+
     def config_options(self):
         if self.settings.os == "Windows":
             del self.options.fPIC
@@ -48,33 +51,8 @@ class EAAssertConan(ConanFile):
         tc.generate()
         CMakeDeps(self).generate()
 
-    def _patch_sources(self):
-        cmakelists = os.path.join(self.source_folder, "CMakeLists.txt")
-
-        # The upstream CMakeLists.txt expects a EASTL git submodule for CommonCppFlags and a bare
-        # "EABase" target from the same submodule setup - neither of which exist when building from
-        # the release archive via Conan. Point it at Conan's EABase instead, and add install rules
-        # (upstream has none).
-        # CMake >= 4 dropped support for the compatibility policies VERSION 3.1 requires.
-        replace_in_file(self, cmakelists, "cmake_minimum_required(VERSION 3.1)", "cmake_minimum_required(VERSION 3.5)")
-        replace_in_file(self, cmakelists, "include(CommonCppFlags)", "")
-        replace_in_file(
-            self,
-            cmakelists,
-            "target_link_libraries(EAAssert EABase)",
-            "find_package(EABase REQUIRED CONFIG)\n"
-            "target_link_libraries(EAAssert EABase::EABase)\n"
-            "\n"
-            "include(GNUInstallDirs)\n"
-            "install(TARGETS EAAssert\n"
-            "        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}\n"
-            "        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}\n"
-            "        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR})\n"
-            "install(DIRECTORY include/EAAssert DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})\n",
-        )
-
     def build(self):
-        self._patch_sources()
+        apply_conandata_patches(self)
         cmake = CMake(self)
         cmake.configure()
         cmake.build()