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Diffstat (limited to 'gcc-4.9/gcc/configure.ac')
| -rw-r--r-- | gcc-4.9/gcc/configure.ac | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/configure.ac b/gcc-4.9/gcc/configure.ac index a871103ff..6893dfc5b 100644 --- a/gcc-4.9/gcc/configure.ac +++ b/gcc-4.9/gcc/configure.ac @@ -5521,6 +5521,16 @@ if test x"$enable_canonical_prefixes" = xyes; then 1, [Define to enable prefix canonicalization.]) fi +AC_ARG_ENABLE([poison-system-directories], + AS_HELP_STRING([--enable-poison-system-directories], + [warn for use of native system header directories]),, + [enable_poison_system_directories=no]) +if test "x${enable_poison_system_directories}" = "xyes"; then + AC_DEFINE([ENABLE_POISON_SYSTEM_DIRECTORIES], + [1], + [Define to warn for use of native system header directories]) +fi + # Substitute configuration variables AC_SUBST(subdirs) AC_SUBST(srcdir) |