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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [bfd/] [warning.m4] - Blame information for rev 299

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Line No. Rev Author Line
1 14 khays
dnl Common configure.in fragment
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AC_DEFUN([AM_BINUTILS_WARNINGS],[
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GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
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AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow")
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AC_ARG_ENABLE(werror,
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  [  --enable-werror         treat compile warnings as errors],
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  [case "${enableval}" in
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     yes | y) ERROR_ON_WARNING="yes" ;;
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     no | n)  ERROR_ON_WARNING="no" ;;
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     *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;;
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   esac])
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# Disable -Wformat by default when using gcc on mingw
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case "${host}" in
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  *-*-mingw32*)
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    if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
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      GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format"
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    fi
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    ;;
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  *) ;;
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esac
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# Enable -Werror by default when using gcc
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if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then
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    ERROR_ON_WARNING=yes
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fi
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NO_WERROR=
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if test "${ERROR_ON_WARNING}" = yes ; then
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    GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror"
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    NO_WERROR="-Wno-error"
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fi
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if test "${GCC}" = yes ; then
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  WARN_CFLAGS="${GCC_WARN_CFLAGS}"
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fi
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AC_ARG_ENABLE(build-warnings,
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[  --enable-build-warnings enable build-time compiler warnings],
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[case "${enableval}" in
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  yes)  WARN_CFLAGS="${GCC_WARN_CFLAGS}";;
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  no)   if test "${GCC}" = yes ; then
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          WARN_CFLAGS="-w"
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        fi;;
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  ,*)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
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        WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}";;
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  *,)   t=`echo "${enableval}" | sed -e "s/,/ /g"`
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        WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}";;
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  *)    WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;;
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esac])
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if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then
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  echo "Setting warning flags = $WARN_CFLAGS" 6>&1
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fi
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AC_SUBST(WARN_CFLAGS)
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AC_SUBST(NO_WERROR)
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])

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