setting 'char' to be signed by default since some tests fail when it's wrong (e.g. native compilation on ARM Linux)

12 years ago · 6f006e50dc
parent 37091b086c
commit 6f006e50dc
1 changed files with 3 additions and 0 deletions
--- a/cmake/OpenCVCompilerOptions.cmake
+++ b/cmake/OpenCVCompilerOptions.cmake
@ -47,6 +47,9 @@ macro(add_extra_compiler_option option)
  endif()
 endmacro()

+# some OpenCV tests fail when 'char' is 'unsigned' by default
+add_extra_compiler_option(-fsigned-char)
+
 if(MINGW)
  # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40838
  # here we are trying to workaround the problem