Check and enable -Wshadow by default.

8 years ago · ad1ae7ae2e
parent 9de90bb749
commit ad1ae7ae2e
1 changed files with 1 additions and 0 deletions
--- a/configure.ac
+++ b/configure.ac
@ -211,6 +211,7 @@ if test "x$CXXFLAGS_overridden" = "xno"; then
  AX_CHECK_COMPILE_FLAG([-Wextra],[CXXFLAGS="$CXXFLAGS -Wextra"],,[[$CXXFLAG_WERROR]])
  AX_CHECK_COMPILE_FLAG([-Wformat],[CXXFLAGS="$CXXFLAGS -Wformat"],,[[$CXXFLAG_WERROR]])
  AX_CHECK_COMPILE_FLAG([-Wformat-security],[CXXFLAGS="$CXXFLAGS -Wformat-security"],,[[$CXXFLAG_WERROR]])
+  AX_CHECK_COMPILE_FLAG([-Wshadow],[CXXFLAGS="$CXXFLAGS -Wshadow"],,[[$CXXFLAG_WERROR]])

  ## Some compilers (gcc) ignore unknown -Wno-* options, but warn about all
  ## unknown options if any other warning is produced. Test the -Wfoo case, and