external/bsd/atf/dist/m4/developer-mode.m4

   1 dnl
   2 dnl Automated Testing Framework (atf)
   3 dnl
   4 dnl Copyright (c) 2007, 2008, 2009 The NetBSD Foundation, Inc.
   5 dnl All rights reserved.
   6 dnl
   7 dnl Redistribution and use in source and binary forms, with or without
   8 dnl modification, are permitted provided that the following conditions
   9 dnl are met:
  10 dnl 1. Redistributions of source code must retain the above copyright
  11 dnl    notice, this list of conditions and the following disclaimer.
  12 dnl 2. Redistributions in binary form must reproduce the above copyright
  13 dnl    notice, this list of conditions and the following disclaimer in the
  14 dnl    documentation and/or other materials provided with the distribution.
  15 dnl
  16 dnl THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
  17 dnl CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  18 dnl INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  19 dnl MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20 dnl IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
  21 dnl DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22 dnl DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
  23 dnl GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  24 dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
  25 dnl IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  26 dnl OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
  27 dnl IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  28 dnl
  29
  30 dnl -----------------------------------------------------------------------
  31 dnl Set up the developer mode
  32 dnl -----------------------------------------------------------------------
  33
  34 dnl
  35 dnl ATF_DEVELOPER_MODE
  36 dnl
  37 dnl Adds a --enable-developer flag to the configure script and, when given,
  38 dnl checks for and enables several flags useful during development.
  39 dnl
  40 AC_DEFUN([ATF_DEVELOPER_MODE], [
  41     AC_ARG_ENABLE(developer,
  42                   AS_HELP_STRING(--enable-developer,
  43                                  [enable developer features]),,
  44                   [case ${PACKAGE_VERSION} in
  45                    0.*|*99*|*alpha*|*beta*)
  46                        enable_developer=yes
  47                        ;;
  48                    *)
  49                        enable_developer=no
  50                        ;;
  51                    esac])
  52
  53     if test ${enable_developer} = yes; then
  54         try_c_cxx_flags="-g \
  55                          -Wall \
  56                          -Wcast-qual \
  57                          -Werror \
  58                          -Wextra \
  59                          -Wno-unused-parameter \
  60                          -Wpointer-arith \
  61                          -Wredundant-decls \
  62                          -Wreturn-type \
  63                          -Wshadow \
  64                          -Wsign-compare \
  65                          -Wswitch \
  66                          -Wwrite-strings"
  67
  68         try_c_flags="-Wmissing-prototypes \
  69                      -Wno-traditional \
  70                      -Wstrict-prototypes"
  71
  72         try_cxx_flags="-Wabi \
  73                        -Wctor-dtor-privacy \
  74                        -Wno-deprecated \
  75                        -Wno-non-template-friend \
  76                        -Wno-pmf-conversions \
  77                        -Wnon-virtual-dtor \
  78                        -Woverloaded-virtual \
  79                        -Wreorder \
  80                        -Wsign-promo \
  81                        -Wsynth"
  82
  83         #
  84         # The following flags should also be enabled but cannot be.  Reasons
  85         # given below.
  86         #
  87         # -Wold-style-cast: Raises errors when using TIOCGWINSZ, at least under
  88         #                   Mac OS X.  This is due to the way _IOR is defined.
  89         #
  90     else
  91         try_c_cxx_flags="-DNDEBUG"
  92     fi
  93     try_c_cxx_flags="${try_c_cxx_flags} -D_FORTIFY_SOURCE=2"
  94
  95     ATF_CC_FLAGS(${try_c_cxx_flags} ${try_c_flags}, CFLAGS)
  96     ATF_CXX_FLAGS(${try_c_cxx_flags} ${try_cxx_flags}, CXXFLAGS)
  97 ])