/usr/share/aclocal/mate-compiler-flags.m4 is in mate-common 1.7.1.is.1.6.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 | # MATE_COMPILE_WARNINGS
# Turn on many useful compiler warnings
# For now, only works on GCC
#
# Copyright (C) 2011 Perberos <perberos@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
AC_DEFUN([MATE_COMPILE_WARNINGS],[
dnl ******************************
dnl More compiler warnings
dnl ******************************
AC_ARG_ENABLE(compile-warnings,
AC_HELP_STRING([--enable-compile-warnings=@<:@no/minimum/yes/maximum/error@:>@],
[Turn on compiler warnings]),,
[enable_compile_warnings="m4_default([$1],[yes])"])
warnCFLAGS=
if test "x$GCC" != xyes; then
enable_compile_warnings=no
fi
warning_flags=
realsave_CFLAGS="$CFLAGS"
case "$enable_compile_warnings" in
no)
warning_flags=
;;
minimum)
warning_flags="-Wall"
;;
yes)
warning_flags="-Wall -Wmissing-prototypes"
;;
maximum|error)
warning_flags="-Wall -Wmissing-prototypes -Wnested-externs -Wpointer-arith"
CFLAGS="$warning_flags $CFLAGS"
for option in -Wno-sign-compare; do
SAVE_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $option"
AC_MSG_CHECKING([whether gcc understands $option])
AC_TRY_COMPILE([], [],
has_option=yes,
has_option=no,)
CFLAGS="$SAVE_CFLAGS"
AC_MSG_RESULT($has_option)
if test $has_option = yes; then
warning_flags="$warning_flags $option"
fi
unset has_option
unset SAVE_CFLAGS
done
unset option
if test "$enable_compile_warnings" = "error" ; then
warning_flags="$warning_flags -Werror"
fi
;;
*)
AC_MSG_ERROR(Unknown argument '$enable_compile_warnings' to --enable-compile-warnings)
;;
esac
CFLAGS="$realsave_CFLAGS"
AC_MSG_CHECKING(what warning flags to pass to the C compiler)
AC_MSG_RESULT($warning_flags)
AC_ARG_ENABLE(iso-c,
AC_HELP_STRING([--enable-iso-c],
[Try to warn if code is not ISO C ]),,
[enable_iso_c=no])
AC_MSG_CHECKING(what language compliance flags to pass to the C compiler)
complCFLAGS=
if test "x$enable_iso_c" != "xno"; then
if test "x$GCC" = "xyes"; then
case " $CFLAGS " in
*[\ \ ]-ansi[\ \ ]*) ;;
*) complCFLAGS="$complCFLAGS -ansi" ;;
esac
case " $CFLAGS " in
*[\ \ ]-pedantic[\ \ ]*) ;;
*) complCFLAGS="$complCFLAGS -pedantic" ;;
esac
fi
fi
AC_MSG_RESULT($complCFLAGS)
WARN_CFLAGS="$warning_flags $complCFLAGS"
AC_SUBST(WARN_CFLAGS)
])
dnl For C++, do basically the same thing.
AC_DEFUN([MATE_CXX_WARNINGS],[
AC_ARG_ENABLE(cxx-warnings,
AC_HELP_STRING([--enable-cxx-warnings=@<:@no/minimum/yes@:>@]
[Turn on compiler warnings.]),,
[enable_cxx_warnings="m4_default([$1],[minimum])"])
AC_MSG_CHECKING(what warning flags to pass to the C++ compiler)
warnCXXFLAGS=
if test "x$GXX" != xyes; then
enable_cxx_warnings=no
fi
if test "x$enable_cxx_warnings" != "xno"; then
if test "x$GXX" = "xyes"; then
case " $CXXFLAGS " in
*[\ \ ]-Wall[\ \ ]*) ;;
*) warnCXXFLAGS="-Wall -Wno-unused" ;;
esac
## -W is not all that useful. And it cannot be controlled
## with individual -Wno-xxx flags, unlike -Wall
if test "x$enable_cxx_warnings" = "xyes"; then
warnCXXFLAGS="$warnCXXFLAGS -Wshadow -Woverloaded-virtual"
fi
fi
fi
AC_MSG_RESULT($warnCXXFLAGS)
AC_ARG_ENABLE(iso-cxx,
AC_HELP_STRING([--enable-iso-cxx],
[Try to warn if code is not ISO C++ ]),,
[enable_iso_cxx=no])
AC_MSG_CHECKING(what language compliance flags to pass to the C++ compiler)
complCXXFLAGS=
if test "x$enable_iso_cxx" != "xno"; then
if test "x$GXX" = "xyes"; then
case " $CXXFLAGS " in
*[\ \ ]-ansi[\ \ ]*) ;;
*) complCXXFLAGS="$complCXXFLAGS -ansi" ;;
esac
case " $CXXFLAGS " in
*[\ \ ]-pedantic[\ \ ]*) ;;
*) complCXXFLAGS="$complCXXFLAGS -pedantic" ;;
esac
fi
fi
AC_MSG_RESULT($complCXXFLAGS)
WARN_CXXFLAGS="$CXXFLAGS $warnCXXFLAGS $complCXXFLAGS"
AC_SUBST(WARN_CXXFLAGS)
])
|