openssl/3.x.x: port conan-io#4597 provide official variables in cmake…

…_find_package Co-Authored-By: SpaceIm <[email protected]>
bincrafters · Sep 9, 2021 · 1358200 · 1358200
1 parent 435c6e4
commit 1358200
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Showing 2 changed files with 58 additions and 1 deletion.
diff --git a/recipes/openssl/3.x.x/conanfile.py b/recipes/openssl/3.x.x/conanfile.py
@@ -586,10 +586,59 @@ def package(self):
 
         tools.rmdir(os.path.join(self.package_folder, "lib", "pkgconfig"))
 
+        self._create_cmake_module_variables(
+            os.path.join(self.package_folder, self._module_subfolder, self._module_file)
+        )
+
+    @staticmethod
+    def _create_cmake_module_variables(module_file):
+        content = """\
+            if(DEFINED OpenSSL_FOUND)
+                set(OPENSSL_FOUND ${OpenSSL_FOUND})
+            endif()
+            if(DEFINED OpenSSL_INCLUDE_DIR)
+                set(OPENSSL_INCLUDE_DIR ${OpenSSL_INCLUDE_DIR})
+            endif()
+            if(DEFINED OpenSSL_Crypto_LIBS)
+                set(OPENSSL_CRYPTO_LIBRARY ${OpenSSL_Crypto_LIBS})
+                set(OPENSSL_CRYPTO_LIBRARIES ${OpenSSL_Crypto_LIBS}
+                                             ${OpenSSL_Crypto_DEPENDENCIES}
+                                             ${OpenSSL_Crypto_FRAMEWORKS}
+                                             ${OpenSSL_Crypto_SYSTEM_LIBS})
+            endif()
+            if(DEFINED OpenSSL_SSL_LIBS)
+                set(OPENSSL_SSL_LIBRARY ${OpenSSL_SSL_LIBS})
+                set(OPENSSL_SSL_LIBRARIES ${OpenSSL_SSL_LIBS}
+                                          ${OpenSSL_SSL_DEPENDENCIES}
+                                          ${OpenSSL_SSL_FRAMEWORKS}
+                                          ${OpenSSL_SSL_SYSTEM_LIBS})
+            endif()
+            if(DEFINED OpenSSL_LIBRARIES)
+                set(OPENSSL_LIBRARIES ${OpenSSL_LIBRARIES})
+            endif()
+            if(DEFINED OpenSSL_VERSION)
+                set(OPENSSL_VERSION ${OpenSSL_VERSION})
+            endif()
+        """
+        content = textwrap.dedent(content)
+        tools.save(module_file, content)
+
+    @property
+    def _module_subfolder(self):
+        return os.path.join("lib", "cmake")
+
+    @property
+    def _module_file(self):
+        return "conan-official-{}-variables.cmake".format(self.name)
+
     def package_info(self):
         self.cpp_info.names["cmake_find_package"] = "OpenSSL"
         self.cpp_info.names["cmake_find_package_multi"] = "OpenSSL"
         self.cpp_info.names["pkg_config"] = "openssl"
+        self.cpp_info.components["ssl"].builddirs = [self._module_subfolder]
+        self.cpp_info.components["ssl"].build_modules = [os.path.join(self._module_subfolder, self._module_file)]
+        self.cpp_info.components["crypto"].builddirs = [self._module_subfolder]
+        self.cpp_info.components["crypto"].build_modules = [os.path.join(self._module_subfolder, self._module_file)]
         if self._use_nmake:
             libsuffix = "d" if self.settings.build_type == "Debug" else ""
             self.cpp_info.components["ssl"].libs = ["libssl" + libsuffix]

diff --git a/recipes/openssl/3.x.x/test_package/CMakeLists.txt b/recipes/openssl/3.x.x/test_package/CMakeLists.txt
@@ -13,6 +13,14 @@ endif()
 
 set(OpenSSL_DEBUG 1)
 find_package(OpenSSL REQUIRED)
-message("LINK WITH ${OpenSSL_LIBRARIES}")
+
+message("OPENSSL_FOUND: ${OPENSSL_FOUND}")
+message("OPENSSL_INCLUDE_DIR: ${OPENSSL_INCLUDE_DIR}")
+message("OPENSSL_CRYPTO_LIBRARY: ${OPENSSL_CRYPTO_LIBRARY}")
+message("OPENSSL_CRYPTO_LIBRARIES: ${OPENSSL_CRYPTO_LIBRARIES}")
+message("OPENSSL_SSL_LIBRARY: ${OPENSSL_SSL_LIBRARY}")
+message("OPENSSL_SSL_LIBRARIES: ${OPENSSL_SSL_LIBRARIES}")
+message("OPENSSL_LIBRARIES: ${OPENSSL_LIBRARIES}")
+message("OPENSSL_VERSION: ${OPENSSL_VERSION}")
 
 target_link_libraries(digest OpenSSL::Crypto)