Commit 1c4fa240 authored by Yang Tse's avatar Yang Tse
Browse files

configure: use autobuilds to temporarily verify strict aliasing warnings. 

Temporarily, When cross-compiling with gcc 3.0 or later, enable strict aliasing
rules and warnings. Given that cross-compiled targets autobuilds do not run the
parent 5046dd02

m4/curl-compilers.m4

+5 −0
Original line number Diff line number Diff line
@@ -935,6 +935,11 @@ AC_DEFUN([CURL_SET_COMPILER_WARNING_OPTS], [ 
            dnl Also, on gcc 4.0.X it is totally unbearable and complains all

            dnl over making it unusable for generic purposes. Let's not use it.

            tmp_CFLAGS="$tmp_CFLAGS"

            dnl When cross-compiling with gcc 3.0 or later,

            dnl enable strict aliasing rules and warnings.

            if test "x$cross_compiling" = "xyes"; then

              tmp_CFLAGS="$tmp_CFLAGS -fstrict-aliasing -Wstrict-aliasing=2"

            fi

          fi

          #

          dnl Only gcc 3.3 or later