cmake/StandardWarnings.cmake

   1 # This file provides a special "standard_warnings" target which is supposed to
   2 # be linked privately by all product and test code, but not by third party code.
   3 add_library(standard_warnings INTERFACE)
   4
   5 if(CCACHE_DEV_MODE)
   6   # Enabled by default for developer builds.
   7   option(WARNINGS_AS_ERRORS "Treat compiler warnings as errors" TRUE)
   8 else()
   9   # Disabled by default for user builds so compilation doesn't fail with new
  10   # compilers that may emit new warnings.
  11   option(WARNINGS_AS_ERRORS "Treat compiler warnings as errors" FALSE)
  12 endif()
  13
  14 if(NOT MSVC)
  15   set(CCACHE_COMPILER_WARNINGS -Wall)
  16 endif()
  17
  18 if(CCACHE_DEV_MODE)
  19   include(DevModeWarnings)
  20 endif()
  21
  22 target_compile_options(standard_warnings INTERFACE ${CCACHE_COMPILER_WARNINGS})