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81 lines
2.5 KiB
Plaintext
81 lines
2.5 KiB
Plaintext
dnl Common configure.ac fragment
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dnl
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dnl Copyright (C) 2012-2015 Free Software Foundation, Inc.
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dnl
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dnl This file is free software; you can redistribute it and/or modify
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dnl it under the terms of the GNU General Public License as published by
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dnl the Free Software Foundation; either version 3 of the License, or
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dnl (at your option) any later version.
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dnl
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dnl This program is distributed in the hope that it will be useful,
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dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
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dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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dnl GNU General Public License for more details.
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dnl
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dnl You should have received a copy of the GNU General Public License
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dnl along with this program; see the file COPYING3. If not see
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dnl <http://www.gnu.org/licenses/>.
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dnl
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AC_DEFUN([AM_BINUTILS_WARNINGS],[
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# Set the 'development' global.
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. $srcdir/../bfd/development.sh
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GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes"
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AC_EGREP_CPP([^[0-3]$],[__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="$GCC_WARN_CFLAGS -Wno-format"
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fi
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;;
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*) ;;
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esac
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# Enable -Werror by default when using gcc. Turn it off for releases.
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if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" -a "$development" = true ; 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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