diff --git a/configure.ac b/configure.ac index cac1f02b8c..ccc17e53bc 100644 --- a/configure.ac +++ b/configure.ac @@ -377,6 +377,16 @@ if test "$ax_cv_c_compiler_vendor" = "gnu"; then [ac_cv_gcc_supports_w_no_unused_result=no])]) CFLAGS="$saved_CFLAGS" AC_MSG_RESULT($ac_cv_gcc_supports_w_no_unused_result) + + saved_CFLAGS="$CFLAGS" + AC_CACHE_CHECK([whether compiler supports -Wno-misleading-indentation], + [ac_cv_gcc_supports_w_no_misleading_indentation], [ + CFLAGS="$CFLAGS -Wno-misleading-indentation -Wno-error=misleading-indentation" + AC_TRY_COMPILE([],[return 0;], + [ac_cv_gcc_supports_w_no_misleading_indentation=yes], + [ac_cv_gcc_supports_w_no_misleading_indentation=no])]) + CFLAGS="$saved_CFLAGS" + AC_MSG_RESULT($ac_cv_gcc_supports_w_no_misleading_indentation) fi # tweak compiler specific flags @@ -413,6 +423,9 @@ elif test "x${ax_cv_c_compiler_vendor}" = "xgnu" ; then APR_ADDTO(SWITCH_AM_CFLAGS, -Werror) APR_ADDTO(SWITCH_AM_CFLAGS, -Wno-unused-result) fi + if test "$ac_cv_gcc_supports_w_no_misleading_indentation" = yes; then + APR_ADDTO(SWITCH_AM_CFLAGS, -Wno-misleading-indentation) + fi if test "${enable_64}" = "yes"; then case "$host" in *darwin*)