| dnl Common configure.in fragment |
| |
| AC_DEFUN([AM_BINUTILS_WARNINGS],[ |
| WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" |
| |
| AC_ARG_ENABLE(werror, |
| [ --enable-werror treat compile warnings as errors], |
| [case "${enableval}" in |
| yes | y) ERROR_ON_WARNING="yes" ;; |
| no | n) ERROR_ON_WARNING="no" ;; |
| *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; |
| esac]) |
| |
| # Enable -Werror by default when using gcc |
| if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then |
| ERROR_ON_WARNING=yes |
| fi |
| |
| NO_WERROR= |
| if test "${ERROR_ON_WARNING}" = yes ; then |
| WARN_CFLAGS="$WARN_CFLAGS -Werror" |
| NO_WERROR="-Wno-error" |
| fi |
| |
| AC_ARG_ENABLE(build-warnings, |
| [ --enable-build-warnings Enable build-time compiler warnings], |
| [case "${enableval}" in |
| yes) ;; |
| no) WARN_CFLAGS="-w";; |
| ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
| WARN_CFLAGS="${WARN_CFLAGS} ${t}";; |
| *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
| WARN_CFLAGS="${t} ${WARN_CFLAGS}";; |
| *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; |
| esac]) |
| |
| if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then |
| echo "Setting warning flags = $WARN_CFLAGS" 6>&1 |
| fi |
| |
| AC_SUBST(WARN_CFLAGS) |
| AC_SUBST(NO_WERROR) |
| ]) |
