Build: Add CMake option to enable Werror

With -DENABLE_WERROR the -Werror flag will be passed to the compiler failing the build if a warning is emitted.
2021-04-30 00:13:32 +02:00 · 2021-04-30 00:13:32 +02:00 · bf08502b9c
parent 202c4ef28c
commit bf08502b9c
3 changed files with 13 additions and 0 deletions
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@ -90,6 +90,7 @@ mark_as_advanced(
  ZM_SYSTEMD
  ZM_MANPAGE_DEST_PREFIX)

+option(ENABLE_WERROR "Fail the build if a compiler warning is emitted" 0)
 option(BUILD_TEST_SUITE "Build the test suite" 0)
 option(BUILD_MAN "Build man pages" 1)
 option(ASAN "DEBUGGING: Build with AddressSanitizer (ASan) support" 0)
--- a/cmake/compiler/clang/settings.cmake
+++ b/cmake/compiler/clang/settings.cmake
@ -5,6 +5,12 @@ target_compile_options(zm-warning-interface
    -Wimplicit-fallthrough
    -Wno-unused-parameter)

+if(ENABLE_WERROR)
+  target_compile_options(zm-warning-interface
+    INTERFACE
+      -Werror)
+endif()
+
 if(ASAN)
  target_compile_options(zm-compile-option-interface
    INTERFACE
--- a/cmake/compiler/gcc/settings.cmake
+++ b/cmake/compiler/gcc/settings.cmake
@ -9,6 +9,12 @@ target_compile_options(zm-warning-interface
    -Wno-unused-parameter
    -Woverloaded-virtual)

+if(ENABLE_WERROR)
+  target_compile_options(zm-warning-interface
+    INTERFACE
+      -Werror)
+endif()
+
 if(ASAN)
  target_compile_options(zm-compile-option-interface
    INTERFACE