make jinja2cpp conan-friendly again (#217)

* make jinja2cpp conan-friendly again
* fix c++20 build mode

Author: rmorozov

.github/workflows/linux-build.yml

@@ -143,6 +143,7 @@ jobs:
         mkdir $BUILD_DIRECTORY && cd $BUILD_DIRECTORY
         sudo chmod gou+rw -R $WORKSPACE
         cmake $CMAKE_OPTS -DCMAKE_BUILD_TYPE=$BUILD_CONFIG -DCMAKE_CXX_FLAGS=$CMAKE_CXX_FLAGS -DJINJA2CPP_DEPS_MODE=internal -DJINJA2CPP_BUILD_SHARED=$INPUT_BUILD_SHARED $EXTRA_FLAGS $WORKSPACE && cmake --build . --config $BUILD_CONFIG --target all -- -j4
+      shell: bash
 
     - name: Test
       env:

CMakeLists.txt

@@ -219,14 +219,15 @@ set_target_properties(${LIB_TARGET_NAME} PROPERTIES
 
 set_property(TARGET ${LIB_TARGET_NAME} PROPERTY PUBLIC_HEADER ${PublicHeaders} ${JINJA2CPP_EXTRA_PUBLIC_HEADERS})
 
-configure_file(jinja2cpp.pc.in jinja2cpp.pc @ONLY)
+configure_file(jinja2cpp.pc.in ${CMAKE_BINARY_DIR}/jinja2cpp.pc @ONLY)
 
 if (JINJA2CPP_BUILD_TESTS)
     enable_testing()
 
     CollectSources(TestSources TestHeaders ${CMAKE_CURRENT_SOURCE_DIR} ${CMAKE_CURRENT_SOURCE_DIR}/test)
     add_executable(jinja2cpp_tests ${TestSources} ${TestHeaders})
-    target_link_libraries(jinja2cpp_tests gtest gtest_main nlohmann_json ${LIB_TARGET_NAME} ${EXTRA_TEST_LIBS} ${JINJA2CPP_PRIVATE_LIBS})
+    target_link_libraries(jinja2cpp_tests gtest gtest_main
+        nlohmann_json::nlohmann_json ${LIB_TARGET_NAME} ${EXTRA_TEST_LIBS} ${JINJA2CPP_PRIVATE_LIBS})
 
     set_target_properties(jinja2cpp_tests PROPERTIES
             CXX_STANDARD ${JINJA2CPP_CXX_STANDARD}

thirdparty/thirdparty-conan-build.cmake

@@ -1,14 +1,15 @@
 message(STATUS "'conan-build' dependencies mode selected for Jinja2Cpp. All dependencies are taken as a conan packages")
 
-find_package(expected-lite)
-find_package(variant-lite)
-find_package(optional-lite)
-find_package(string-view-lite)
+find_package(expected-lite REQUIRED)
+find_package(variant-lite REQUIRED)
+find_package(optional-lite REQUIRED)
+find_package(string-view-lite REQUIRED)
+find_package(nlohmann_json REQUIRED)
 
 find_package(Boost)
 set(CONAN_BOOST_PACKAGE_NAME Boost::Boost)
 find_package(fmt)
-find_package(rapidjson)
+find_package(RapidJSON)
 
-set(JINJA2_PRIVATE_LIBS_INT ${CONAN_BOOST_PACKAGE_NAME} fmt::fmt rapidjson::rapidjson)
-set(JINJA2_PUBLIC_LIBS_INT expected-lite::expected-lite variant-lite::variant-lite optional-lite::optional-lite string-view-lite::string-view-lite)
+set(JINJA2_PRIVATE_LIBS_INT ${CONAN_BOOST_PACKAGE_NAME} fmt::fmt RapidJSON::RapidJSON nlohmann_json::nlohmann_json)
+set(JINJA2_PUBLIC_LIBS_INT nonstd::expected-lite nonstd::variant-lite nonstd::optional-lite nonstd::string-view-lite)