From a809dc42fd22fc0736838f877b8d026608b315ec Mon Sep 17 00:00:00 2001
From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
Date: Mon, 26 Apr 2021 16:09:06 +0200
Subject: CMakeLists.txt: Add Clang support.

---
 CMakeLists.txt       | 15 ++++++++++++---
 src/CMakeLists.txt   |  6 +++---
 tests/CMakeLists.txt |  4 ++--
 3 files changed, 17 insertions(+), 8 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9588e19..99ad4a8 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -88,8 +88,18 @@ add_custom_target (cppcheck COMMAND cppcheck --enable=all -q --error-exitcode=2
 ##  Actual building
 ##
 
-set (CC_WARNING_ARGS " -Wall")
-set (CXX_WARNING_ARGS " -Wall")
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
+
+    set(COMPILE_FLAGS "${COMPILE_FLAGS} -Weverything")
+    set(COMPILE_FLAGS "${COMPILE_FLAGS} -Wno-c++98-compat -Wno-padded")
+    set(COMPILE_FLAGS "${COMPILE_FLAGS} -Wno-documentation")
+
+else()
+
+    set(COMPILE_FLAGS "${COMPILE_FLAGS} -Wall")
+
+endif()
+
 
 include_directories (${CMAKE_CURRENT_SOURCE_DIR}/include)
 include_directories (${CMAKE_CURRENT_BINARY_DIR}/include)
@@ -114,4 +124,3 @@ add_subdirectory(po)
 if (${enable_tests})
   add_subdirectory(tests)
 endif ()
-
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 44244ce..96284fb 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -57,9 +57,9 @@ endif()
 # add warnings/coverage info on handwritten files
 # but not the autogenerated ones...
 set_source_files_properties(${SERVICE_CXX_SOURCES}
-                            PROPERTIES COMPILE_FLAGS "${CXX_WARNING_ARGS} ${GCOV_FLAGS} -g -std=c++11")
+                            PROPERTIES COMPILE_FLAGS "${COMPILE_FLAGS} ${GCOV_FLAGS} -g -std=c++11")
 set_source_files_properties(${SERVICE_C_SOURCES}
-                            PROPERTIES COMPILE_FLAGS "${CXX_WARNING_ARGS} ${GCOV_FLAGS} -g -std=c99")
+                            PROPERTIES COMPILE_FLAGS "${COMPILE_FLAGS} ${GCOV_FLAGS} -g -std=c99")
 
 # add the bin dir to our include path so our code can find the generated header files
 include_directories (${CMAKE_CURRENT_BINARY_DIR})
@@ -69,6 +69,6 @@ include_directories (${CMAKE_SOURCE_DIR})
 link_directories (${SERVICE_DEPS_LIBRARY_DIRS})
 
 add_executable (${SERVICE_EXEC} main.cpp)
-set_source_files_properties(${SERVICE_SOURCES} main.cpp PROPERTIES COMPILE_FLAGS "${CXX_WARNING_ARGS} -g -std=c++11")
+set_source_files_properties(${SERVICE_SOURCES} main.cpp PROPERTIES COMPILE_FLAGS "${COMPILE_FLAGS} -g -std=c++11")
 target_link_libraries (${SERVICE_EXEC} ${SERVICE_LIB} ${SERVICE_DEPS_LIBRARIES} ${GCOV_LIBS} ${URLDISPATCHER_LIBRARIES})
 install (TARGETS ${SERVICE_EXEC} RUNTIME DESTINATION ${CMAKE_INSTALL_FULL_PKGLIBEXECDIR})
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index a1e0b13..455eb04 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -3,9 +3,9 @@ add_library (gtest STATIC
              ${GTEST_SOURCE_DIR}/gtest-all.cc
              ${GTEST_SOURCE_DIR}/gtest_main.cc)
 set_target_properties (gtest PROPERTIES INCLUDE_DIRECTORIES ${INCLUDE_DIRECTORIES} ${GTEST_INCLUDE_DIR})
-set_target_properties (gtest PROPERTIES COMPILE_FLAGS ${COMPILE_FLAGS} -w)
+set_target_properties (gtest PROPERTIES COMPILE_FLAGS "${COMPILE_FLAGS} -w")
 
-SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -g ${CC_WARNING_ARGS}")
+SET (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -g ${COMPILE_FLAGS}")
 
 # dbustest
 pkg_check_modules(DBUSTEST REQUIRED
-- 
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