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--without-maximum-compile-warnings option added so that these compiler options can be completely removed

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git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@7177 626c5289-ae23-0410-ae9c-e8d60b6d4f22
This commit is contained in:
William S Fulton 2005-04-30 06:48:14 +00:00
commit d56912b2d3
1 changed files with 51 additions and 24 deletions
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75
SWIG/Tools/config/ac_compile_warnings.m4
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@ -1,29 +1,56 @@
dnl Available from the GNU Autoconf Macro Archive at:
dnl http://www.gnu.org/software/ac-archive/htmldoc/ac_compile_warnings.html
dnl @synopsis AC_COMPILE_WARNINGS
dnl
dnl Modified from original to increase the warning levels from -Wall
AC_DEFUN([AC_COMPILE_WARNINGS],
[AC_MSG_CHECKING(maximum warning verbosity option)
if test -n "$CXX"
then
if test "$GXX" = "yes"
then
ac_compile_warnings_opt='-Wall -ansi -pedantic'
fi
CXXFLAGS="$CXXFLAGS $ac_compile_warnings_opt"
ac_compile_warnings_msg="$ac_compile_warnings_opt for C++"
fi
dnl Set the maximum warning verbosity according to C and C++ compiler used.
dnl Currently supports g++ and gcc.
dnl
dnl The compiler options are always added CFLAGS and CXXFLAGS even if
dnl these are overidden at configure time. Removing the maximum warning
dnl flags can be removed with --without-maximum-compile-warnings. For example:
dnl
dnl ./configure --without-maximum-compile-warnings CFLAGS= CXXFLAGS=
dnl
dnl @category Misc
dnl @author Loic Dachary <loic@senga.org>
dnl @author William Fulton <wsf@fultondesigns.co.uk>
dnl @version 2005-04-29
dnl @license GPLWithACException
if test -n "$CC"
then
if test "$GCC" = "yes"
AC_DEFUN([AC_COMPILE_WARNINGS], [
AC_MSG_CHECKING([maximum warning verbosity option])
AC_REQUIRE([AC_PROG_CC])
AC_REQUIRE([AC_PROG_CXX])
AC_ARG_WITH([maximum-compile-warnings],
AS_HELP_STRING([--without-maximum-compile-warnings],
[Disable maximum warning verbosity]),
[ac_compile_warnings_on="$withval"],
[ac_compile_warnings_on=""])
if test x"$ac_compile_warnings_on" = xno
then
ac_compile_warnings_opt='-Wall -ansi -pedantic'
ac_compile_warnings_msg=no
else
if test -n "$CXX"
then
if test "$GXX" = "yes"
then
ac_compile_warnings_opt='-Wall -W -ansi -pedantic'
fi
CXXFLAGS="$CXXFLAGS $ac_compile_warnings_opt"
ac_compile_warnings_msg="$ac_compile_warnings_opt for C++"
fi
if test -n "$CC"
then
if test "$GCC" = "yes"
then
ac_compile_warnings_opt='-Wall -W -ansi -pedantic'
fi
CFLAGS="$CFLAGS $ac_compile_warnings_opt"
ac_compile_warnings_msg="$ac_compile_warnings_msg $ac_compile_warnings_opt for C"
fi
CFLAGS="$CFLAGS $ac_compile_warnings_opt"
ac_compile_warnings_msg="$ac_compile_warnings_msg $ac_compile_warnings_opt for C"
fi
AC_MSG_RESULT($ac_compile_warnings_msg)
unset ac_compile_warnings_msg
unset ac_compile_warnings_opt
fi
AC_MSG_RESULT([$ac_compile_warnings_msg])
unset ac_compile_warnings_msg
unset ac_compile_warnings_opt
])