AX_CFLAGS_IRIX_OPTION (optionflag [,[shellvar][,[A][,[NA]]])
, 

2006年10月13日

Guido U. Draheim <guidod@gmx.de>

GPLWithACException
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. As a special exception, the respective Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts

cryp.to ac-archive's C Support (released)

AX_CFLAGS_IRIX_OPTION(-go_for_it) would show a message as like "checking CFLAGS for irix/cc -go_for_it ... yes" and adds the optionflag to CFLAGS if it is understood. You can override the shellvar-default of CFLAGS of course. The order of arguments stems from the explicit macros like AX_CFLAGS_WARN_ALL.

The cousin AX_CXXFLAGS_IRIX_OPTION would check for an option to add to CXXFLAGS - and it uses the autoconf setup for C++ instead of C (since it is possible to use different compilers for C and C++).

The macro is a lot simpler than any special AX_CFLAGS_* macro (or ac_cxx_rtti.m4 macro) but allows to check for arbitrary options. However, if you use this macro in a few places, it would be great if you would make up a new function-macro and submit it to the ac-archive.

• - 1ドル option-to-check-for : required ("-option" as non-value)

• - 2ドル shell-variable-to-add-to : CFLAGS (or CXXFLAGS in the other case)

• - 3ドル action-if-found : add value to shellvariable

• - 4ドル action-if-not-found : nothing

note: in earlier versions, 1ドル-2ドル were swapped. We try to detect the situation and accept a 2ドル=~/-/ as being the old option-to-check-for.

see also: AX_CFLAGS_GCC_OPTION for the widely used original variant.

AC_DEFUN([AX_CFLAGS_IRIX_OPTION_OLD], [dnl
AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_irix_option_2ドル])dnl
AC_CACHE_CHECK([m4_ifval(1,ドル1,ドルFLAGS) for irix/cc m4_ifval(2,ドル2,ドル-option)],
VAR,[VAR="no, unknown"
 AC_LANG_SAVE
 AC_LANG_C
 ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-fullwarn -use_readonly_const % m4_ifval(2,ドル2,ドル-option)" dnl IRIX C
 #
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
 AC_TRY_COMPILE([],[return 0;],
 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
 FLAGS="$ac_save_[]FLAGS"
 AC_LANG_RESTORE
])
case ".$VAR" in
 .ok|.ok,*) m4_ifvaln(3,ドル3ドル) ;;
 .|.no|.no,*) m4_ifvaln(4,ドル4ドル) ;;
 *) m4_ifvaln(3,ドル3,ドル[
 if echo " $[]m4_ifval(1,ドル1,ドルFLAGS) " | grep " $VAR " 2>&1 >/dev/null
 then AC_RUN_LOG([: m4_ifval(1,ドル1,ドルFLAGS) does contain $VAR])
 else AC_RUN_LOG([: m4_ifval(1,ドル1,ドルFLAGS)="$m4_ifval(1,ドル1,ドルFLAGS) $VAR"])
 m4_ifval(1,ドル1,ドルFLAGS)="$m4_ifval(1,ドル1,ドルFLAGS) $VAR"
 fi ]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
AS_VAR_POPDEF([FLAGS])dnl
])
dnl the only difference - the LANG selection... and the default FLAGS
AC_DEFUN([AX_CXXFLAGS_IRIX_OPTION_OLD], [dnl
AS_VAR_PUSHDEF([FLAGS],[CXXFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cxxflags_irix_option_2ドル])dnl
AC_CACHE_CHECK([m4_ifval(1,ドル1,ドルFLAGS) for irix/cc m4_ifval(2,ドル2,ドル-option)],
VAR,[VAR="no, unknown"
 AC_LANG_SAVE
 AC_LANG_CXX
 ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-fullwarn -use_readonly_const % m4_ifval(2,ドル2,ドル-option)" dnl IRIX C
 #
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
 AC_TRY_COMPILE([],[return 0;],
 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
 FLAGS="$ac_save_[]FLAGS"
 AC_LANG_RESTORE
])
case ".$VAR" in
 .ok|.ok,*) m4_ifvaln(3,ドル3ドル) ;;
 .|.no|.no,*) m4_ifvaln(4,ドル4ドル) ;;
 *) m4_ifvaln(3,ドル3,ドル[
 if echo " $[]m4_ifval(1,ドル1,ドルFLAGS) " | grep " $VAR " 2>&1 >/dev/null
 then AC_RUN_LOG([: m4_ifval(1,ドル1,ドルFLAGS) does contain $VAR])
 else AC_RUN_LOG([: m4_ifval(1,ドル1,ドルFLAGS)="$m4_ifval(1,ドル1,ドルFLAGS) $VAR"])
 m4_ifval(1,ドル1,ドルFLAGS)="$m4_ifval(1,ドル1,ドルFLAGS) $VAR"
 fi ]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
AS_VAR_POPDEF([FLAGS])dnl
])
dnl --------------------------------------------------------------------------
AC_DEFUN([AX_CFLAGS_IRIX_OPTION_NEW], [dnl
AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_irix_option_1ドル])dnl
AC_CACHE_CHECK([m4_ifval(2,ドル2,ドルFLAGS) for irix/cc m4_ifval(1,ドル1,ドル-option)],
VAR,[VAR="no, unknown"
 AC_LANG_SAVE
 AC_LANG_C
 ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-fullwarn -use_readonly_const % m4_ifval(1,ドル1,ドル-option)" dnl IRIX C
 #
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
 AC_TRY_COMPILE([],[return 0;],
 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
 FLAGS="$ac_save_[]FLAGS"
 AC_LANG_RESTORE
])
case ".$VAR" in
 .ok|.ok,*) m4_ifvaln(3,ドル3ドル) ;;
 .|.no|.no,*) m4_ifvaln(4,ドル4ドル) ;;
 *) m4_ifvaln(3,ドル3,ドル[
 if echo " $[]m4_ifval(2,ドル2,ドルFLAGS) " | grep " $VAR " 2>&1 >/dev/null
 then AC_RUN_LOG([: m4_ifval(2,ドル2,ドルFLAGS) does contain $VAR])
 else AC_RUN_LOG([: m4_ifval(2,ドル2,ドルFLAGS)="$m4_ifval(2,ドル2,ドルFLAGS) $VAR"])
 m4_ifval(2,ドル2,ドルFLAGS)="$m4_ifval(2,ドル2,ドルFLAGS) $VAR"
 fi ]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
AS_VAR_POPDEF([FLAGS])dnl
])
dnl the only difference - the LANG selection... and the default FLAGS
AC_DEFUN([AX_CXXFLAGS_IRIX_OPTION_NEW], [dnl
AS_VAR_PUSHDEF([FLAGS],[CXXFLAGS])dnl
AS_VAR_PUSHDEF([VAR],[ac_cv_cxxflags_irix_option_1ドル])dnl
AC_CACHE_CHECK([m4_ifval(2,ドル2,ドルFLAGS) for irix/cc m4_ifval(1,ドル1,ドル-option)],
VAR,[VAR="no, unknown"
 AC_LANG_SAVE
 AC_LANG_CXX
 ac_save_[]FLAGS="$[]FLAGS"
for ac_arg dnl
in "-fullwarn -use_readonly_const % m4_ifval(1,ドル1,ドル-option)" dnl IRIX C
 #
do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
 AC_TRY_COMPILE([],[return 0;],
 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
done
 FLAGS="$ac_save_[]FLAGS"
 AC_LANG_RESTORE
])
case ".$VAR" in
 .ok|.ok,*) m4_ifvaln(3,ドル3ドル) ;;
 .|.no|.no,*) m4_ifvaln(4,ドル4ドル) ;;
 *) m4_ifvaln(3,ドル3,ドル[
 if echo " $[]m4_ifval(2,ドル2,ドルFLAGS) " | grep " $VAR " 2>&1 >/dev/null
 then AC_RUN_LOG([: m4_ifval(2,ドル2,ドルFLAGS) does contain $VAR])
 else AC_RUN_LOG([: m4_ifval(2,ドル2,ドルFLAGS)="$m4_ifval(2,ドル2,ドルFLAGS) $VAR"])
 m4_ifval(2,ドル2,ドルFLAGS)="$m4_ifval(2,ドル2,ドルFLAGS) $VAR"
 fi ]) ;;
esac
AS_VAR_POPDEF([VAR])dnl
AS_VAR_POPDEF([FLAGS])dnl
])
AC_DEFUN([AX_CFLAGS_IRIX_OPTION],[ifelse(m4_regexp([2ドル],[-]),-1,
[AX_CFLAGS_IRIX_OPTION_NEW($@)],[AX_CFLAGS_IRIX_OPTION_OLD($@)])])
AC_DEFUN([AX_CXXFLAGS_IRIX_OPTION],[ifelse(m4_regexp([2ドル],[-]),-1,
[AX_CXXFLAGS_IRIX_OPTION_NEW($@)],[AX_CXXFLAGS_IRIX_OPTION_OLD($@)])])