diff options
Diffstat (limited to 'bfd/warning.m4')
| -rw-r--r-- | bfd/warning.m4 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/bfd/warning.m4 b/bfd/warning.m4 new file mode 100644 index 0000000000..38feb5f033 --- /dev/null +++ b/bfd/warning.m4 @@ -0,0 +1,43 @@ +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) +]) |