| | 1 | dnl Common configure.ac fragment |
| | 2 | dnl |
| | 3 | dnl Copyright (C) 2012-2016 Free Software Foundation, Inc. |
| | 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. |
| | 9 | dnl |
| | 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. |
| | 14 | dnl |
| | 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 |
| | 19 | |
| | 20 | AC_DEFUN([AM_BINUTILS_WARNINGS],[ |
| | 21 | # Set the 'development' global. |
| | 22 | . $srcdir/../bfd/development.sh |
| | 23 | |
| | 24 | # Default set of GCC warnings to enable. |
| | 25 | GCC_WARN_CFLAGS="-W -Wall -Wstrict-prototypes -Wmissing-prototypes" |
| | 26 | |
| | 27 | # Add -Wshadow if the compiler is a sufficiently recent version of GCC. |
| | 28 | AC_EGREP_CPP([^[0-3]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wshadow") |
| | 29 | |
| | 30 | # Add -Wstack-usage if the compiler is a sufficiently recent version of GCC. |
| | 31 | AC_EGREP_CPP([^[0-4]$],[__GNUC__],,GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wstack-usage=262144") |
| | 32 | |
| | 33 | # Set WARN_WRITE_STRINGS if the compiler supports -Wwrite-strings. |
| | 34 | WARN_WRITE_STRINGS="" |
| | 35 | AC_EGREP_CPP([^[0-3]$],[__GNUC__],,WARN_WRITE_STRINGS="-Wwrite-strings") |
| | 36 | |
| | 37 | AC_ARG_ENABLE(werror, |
| | 38 | [ --enable-werror treat compile warnings as errors], |
| | 39 | [case "${enableval}" in |
| | 40 | yes | y) ERROR_ON_WARNING="yes" ;; |
| | 41 | no | n) ERROR_ON_WARNING="no" ;; |
| | 42 | *) AC_MSG_ERROR(bad value ${enableval} for --enable-werror) ;; |
| | 43 | esac]) |
| | 44 | |
| | 45 | # Disable -Wformat by default when using gcc on mingw |
| | 46 | case "${host}" in |
| | 47 | *-*-mingw32*) |
| | 48 | if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" ; then |
| | 49 | GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Wno-format" |
| | 50 | fi |
| | 51 | ;; |
| | 52 | *) ;; |
| | 53 | esac |
| | 54 | |
| | 55 | # Enable -Werror by default when using gcc. Turn it off for releases. |
| | 56 | if test "${GCC}" = yes -a -z "${ERROR_ON_WARNING}" -a "$development" = true ; then |
| | 57 | ERROR_ON_WARNING=yes |
| | 58 | fi |
| | 59 | |
| | 60 | NO_WERROR= |
| | 61 | if test "${ERROR_ON_WARNING}" = yes ; then |
| | 62 | GCC_WARN_CFLAGS="$GCC_WARN_CFLAGS -Werror" |
| | 63 | NO_WERROR="-Wno-error" |
| | 64 | fi |
| | 65 | |
| | 66 | if test "${GCC}" = yes ; then |
| | 67 | WARN_CFLAGS="${GCC_WARN_CFLAGS}" |
| | 68 | fi |
| | 69 | |
| | 70 | AC_ARG_ENABLE(build-warnings, |
| | 71 | [ --enable-build-warnings enable build-time compiler warnings], |
| | 72 | [case "${enableval}" in |
| | 73 | yes) WARN_CFLAGS="${GCC_WARN_CFLAGS}";; |
| | 74 | no) if test "${GCC}" = yes ; then |
| | 75 | WARN_CFLAGS="-w" |
| | 76 | fi;; |
| | 77 | ,*) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
| | 78 | WARN_CFLAGS="${GCC_WARN_CFLAGS} ${t}";; |
| | 79 | *,) t=`echo "${enableval}" | sed -e "s/,/ /g"` |
| | 80 | WARN_CFLAGS="${t} ${GCC_WARN_CFLAGS}";; |
| | 81 | *) WARN_CFLAGS=`echo "${enableval}" | sed -e "s/,/ /g"`;; |
| | 82 | esac]) |
| | 83 | |
| | 84 | if test x"$silent" != x"yes" && test x"$WARN_CFLAGS" != x""; then |
| | 85 | echo "Setting warning flags = $WARN_CFLAGS" 6>&1 |
| | 86 | fi |
| | 87 | |
| | 88 | AC_SUBST(WARN_CFLAGS) |
| | 89 | AC_SUBST(NO_WERROR) |
| | 90 | AC_SUBST(WARN_WRITE_STRINGS) |
| | 91 | ]) |
projects / deliverable / binutils-gdb.git / blame_incremental