projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 1110793a | 1 | dnl Common configure.ac fragment |
| 5bf135a7 | 2 | dnl |
| b90efa5b | 3 | dnl Copyright (C) 2012-2015 Free Software Foundation, Inc. |
| 5bf135a7 NC |
4 | dnl |
| 5 | dnl This file is free software; you can redistribute it and/or modify | |
| 6 | dnl it under the terms of the GNU General Public License as published by | |
| 7 | dnl the Free Software Foundation; either version 3 of the License, or | |
| 8 | dnl (at your option) any later version. | |
| 1b786873 | 9 | dnl |
| 5bf135a7 NC |
10 | dnl This program is distributed in the hope that it will be useful, |
| 11 | dnl but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 | dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 | dnl GNU General Public License for more details. | |
| 1b786873 | 14 | dnl |
| 5bf135a7 NC |
15 | dnl You should have received a copy of the GNU General Public License |
| 16 | dnl along with this program; see the file COPYING3. If not see | |
| 17 | dnl <http://www.gnu.org/licenses/>. | |
| 18 | dnl | |
| 9e9b66a9 AM |
19 | |
| 20 | AC_DEFUN([AM_BINUTILS_WARNINGS],[ | |
| 270c9937 JB |
21 | # Set the 'development' global. |
| 22 | . $srcdir/../bfd/development.sh | |
| 23 | ||
| d1a98e0c AM |
24 | GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" |
| 25 | AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow") | |
| 9e9b66a9 AM |
26 | |
| 27 | AC_ARG_ENABLE(werror, | |
| 241a6c40 | 28 | [ --enable-werror treat compile warnings as errors], |
| 9e9b66a9 AM |
29 | [case "${enableval}" in |
| 30 | yes | y) ERROR_ON_WARNING="yes" ;; | |
| 31 | no | n) ERROR_ON_WARNING="no" ;; | |
| 32 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; | |
| 33 | esac]) | |
| 34 | ||
| d1a98e0c | 35 | # Disable -Wformat by default when using gcc on mingw |
| bb8541b9 L |
36 | case "${host}" in |
| 37 | *-*-mingw32*) | |
| 38 | if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then | |
| 39 | GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format" | |
| 40 | fi | |
| 41 | ;; | |
| 42 | *) ;; | |
| 43 | esac | |
| 44 | ||
| 270c9937 JB |
45 | # Enable -Werror by default when using gcc. Turn it off for releases. |
| 46 | if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" -a "$development" = true ; then | |
| 9e9b66a9 AM |
47 | ERROR_ON_WARNING=yes |
| 48 | fi | |
| 49 | ||
| 50 | NO_WERROR= | |
| 51 | if test "${ERROR_ON_WARNING}" = yes ; then | |
| 49c96104 | 52 | GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror" |
| 9e9b66a9 AM |
53 | NO_WERROR="-Wno-error" |
| 54 | fi | |
| 1b786873 | 55 | |
| 49c96104 SE |
56 | if test "${GCC}" = yes ; then |
| 57 | WARN_CFLAGS="${GCC_WARN_CFLAGS}" | |
| 58 | fi | |
| 59 | ||
| 9e9b66a9 | 60 | AC_ARG_ENABLE(build-warnings, |
| 241a6c40 | 61 | [ --enable-build-warnings enable build-time compiler warnings], |
| 9e9b66a9 | 62 | [case "${enableval}" in |
| 49c96104 SE |
63 | yes) WARN_CFLAGS="${GCC_WARN_CFLAGS}";; |
| 64 | no) if test "${GCC}" = yes ; then | |
| 65 | WARN_CFLAGS="-w" | |
| 66 | fi;; | |
| 9e9b66a9 | 67 | ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
| 49c96104 | 68 | WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}";; |
| 9e9b66a9 | 69 | *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
| 49c96104 | 70 | WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}";; |
| 9e9b66a9 AM |
71 | *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; |
| 72 | esac]) | |
| 73 | ||
| 74 | if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then | |
| 75 | echo "Setting warning flags = $WARN_CFLAGS" 6>&1 | |
| 76 | fi | |
| 77 | ||
| 78 | AC_SUBST(WARN_CFLAGS) | |
| 79 | AC_SUBST(NO_WERROR) | |
| 80 | ]) |