1 dnl @synopsis AX_CFLAGS_IRIX_OPTION (optionflag [,[shellvar][,[A][,[NA]]])
3 dnl AX_CFLAGS_IRIX_OPTION(-go_for_it) would show a message as like
4 dnl "checking CFLAGS for irix/cc -go_for_it ... yes" and adds the
5 dnl optionflag to CFLAGS if it is understood. You can override the
6 dnl shellvar-default of CFLAGS of course. The order of arguments stems
7 dnl from the explicit macros like AX_CFLAGS_WARN_ALL.
9 dnl The cousin AX_CXXFLAGS_IRIX_OPTION would check for an option to add
10 dnl to CXXFLAGS - and it uses the autoconf setup for C++ instead of C
11 dnl (since it is possible to use different compilers for C and C++).
13 dnl The macro is a lot simpler than any special AX_CFLAGS_* macro (or
14 dnl ac_cxx_rtti.m4 macro) but allows to check for arbitrary options.
15 dnl However, if you use this macro in a few places, it would be great
16 dnl if you would make up a new function-macro and submit it to the
19 dnl - $1 option-to-check-for : required ("-option" as non-value)
20 dnl - $2 shell-variable-to-add-to : CFLAGS (or CXXFLAGS in the other case)
21 dnl - $3 action-if-found : add value to shellvariable
22 dnl - $4 action-if-not-found : nothing
24 dnl note: in earlier versions, $1-$2 were swapped. We try to detect the
25 dnl situation and accept a $2=~/-/ as being the old
26 dnl option-to-check-for.
28 dnl see also: AX_CFLAGS_GCC_OPTION for the widely used original
32 dnl @author Guido Draheim <guidod@gmx.de>
33 dnl @version 2005-01-21
34 dnl @license GPLWithACException
36 AC_DEFUN([AX_CFLAGS_IRIX_OPTION_OLD], [dnl
37 AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl
38 AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_irix_option_$2])dnl
39 AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for irix/cc m4_ifval($2,$2,-option)],
40 VAR,[VAR="no, unknown"
43 ac_save_[]FLAGS="$[]FLAGS"
45 in "-fullwarn -use_readonly_const % m4_ifval($2,$2,-option)" dnl IRIX C
47 do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
48 AC_TRY_COMPILE([],[return 0;],
49 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
51 FLAGS="$ac_save_[]FLAGS"
55 .ok|.ok,*) m4_ifvaln($3,$3) ;;
56 .|.no|.no,*) m4_ifvaln($4,$4) ;;
58 if echo " $[]m4_ifval($1,$1,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
59 then AC_RUN_LOG([: m4_ifval($1,$1,FLAGS) does contain $VAR])
60 else AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"])
61 m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"
64 AS_VAR_POPDEF([VAR])dnl
65 AS_VAR_POPDEF([FLAGS])dnl
68 dnl the only difference - the LANG selection... and the default FLAGS
70 AC_DEFUN([AX_CXXFLAGS_IRIX_OPTION_OLD], [dnl
71 AS_VAR_PUSHDEF([FLAGS],[CXXFLAGS])dnl
72 AS_VAR_PUSHDEF([VAR],[ac_cv_cxxflags_irix_option_$2])dnl
73 AC_CACHE_CHECK([m4_ifval($1,$1,FLAGS) for irix/cc m4_ifval($2,$2,-option)],
74 VAR,[VAR="no, unknown"
77 ac_save_[]FLAGS="$[]FLAGS"
79 in "-fullwarn -use_readonly_const % m4_ifval($2,$2,-option)" dnl IRIX C
81 do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
82 AC_TRY_COMPILE([],[return 0;],
83 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
85 FLAGS="$ac_save_[]FLAGS"
89 .ok|.ok,*) m4_ifvaln($3,$3) ;;
90 .|.no|.no,*) m4_ifvaln($4,$4) ;;
92 if echo " $[]m4_ifval($1,$1,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
93 then AC_RUN_LOG([: m4_ifval($1,$1,FLAGS) does contain $VAR])
94 else AC_RUN_LOG([: m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"])
95 m4_ifval($1,$1,FLAGS)="$m4_ifval($1,$1,FLAGS) $VAR"
98 AS_VAR_POPDEF([VAR])dnl
99 AS_VAR_POPDEF([FLAGS])dnl
102 dnl --------------------------------------------------------------------------
104 AC_DEFUN([AX_CFLAGS_IRIX_OPTION_NEW], [dnl
105 AS_VAR_PUSHDEF([FLAGS],[CFLAGS])dnl
106 AS_VAR_PUSHDEF([VAR],[ac_cv_cflags_irix_option_$1])dnl
107 AC_CACHE_CHECK([m4_ifval($2,$2,FLAGS) for irix/cc m4_ifval($1,$1,-option)],
108 VAR,[VAR="no, unknown"
111 ac_save_[]FLAGS="$[]FLAGS"
113 in "-fullwarn -use_readonly_const % m4_ifval($1,$1,-option)" dnl IRIX C
115 do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
116 AC_TRY_COMPILE([],[return 0;],
117 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
119 FLAGS="$ac_save_[]FLAGS"
123 .ok|.ok,*) m4_ifvaln($3,$3) ;;
124 .|.no|.no,*) m4_ifvaln($4,$4) ;;
126 if echo " $[]m4_ifval($2,$2,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
127 then AC_RUN_LOG([: m4_ifval($2,$2,FLAGS) does contain $VAR])
128 else AC_RUN_LOG([: m4_ifval($2,$2,FLAGS)="$m4_ifval($2,$2,FLAGS) $VAR"])
129 m4_ifval($2,$2,FLAGS)="$m4_ifval($2,$2,FLAGS) $VAR"
132 AS_VAR_POPDEF([VAR])dnl
133 AS_VAR_POPDEF([FLAGS])dnl
136 dnl the only difference - the LANG selection... and the default FLAGS
138 AC_DEFUN([AX_CXXFLAGS_IRIX_OPTION_NEW], [dnl
139 AS_VAR_PUSHDEF([FLAGS],[CXXFLAGS])dnl
140 AS_VAR_PUSHDEF([VAR],[ac_cv_cxxflags_irix_option_$1])dnl
141 AC_CACHE_CHECK([m4_ifval($2,$2,FLAGS) for irix/cc m4_ifval($1,$1,-option)],
142 VAR,[VAR="no, unknown"
145 ac_save_[]FLAGS="$[]FLAGS"
147 in "-fullwarn -use_readonly_const % m4_ifval($1,$1,-option)" dnl IRIX C
149 do FLAGS="$ac_save_[]FLAGS "`echo $ac_arg | sed -e 's,%%.*,,' -e 's,%,,'`
150 AC_TRY_COMPILE([],[return 0;],
151 [VAR=`echo $ac_arg | sed -e 's,.*% *,,'` ; break])
153 FLAGS="$ac_save_[]FLAGS"
157 .ok|.ok,*) m4_ifvaln($3,$3) ;;
158 .|.no|.no,*) m4_ifvaln($4,$4) ;;
160 if echo " $[]m4_ifval($2,$2,FLAGS) " | grep " $VAR " 2>&1 >/dev/null
161 then AC_RUN_LOG([: m4_ifval($2,$2,FLAGS) does contain $VAR])
162 else AC_RUN_LOG([: m4_ifval($2,$2,FLAGS)="$m4_ifval($2,$2,FLAGS) $VAR"])
163 m4_ifval($2,$2,FLAGS)="$m4_ifval($2,$2,FLAGS) $VAR"
166 AS_VAR_POPDEF([VAR])dnl
167 AS_VAR_POPDEF([FLAGS])dnl
170 AC_DEFUN([AX_CFLAGS_IRIX_OPTION],[ifelse(m4_bregexp([$2],[-]),-1,
171 [AX_CFLAGS_IRIX_OPTION_NEW($@)],[AX_CFLAGS_IRIX_OPTION_OLD($@)])])
173 AC_DEFUN([AX_CXXFLAGS_IRIX_OPTION],[ifelse(m4_bregexp([$2],[-]),-1,
174 [AX_CXXFLAGS_IRIX_OPTION_NEW($@)],[AX_CXXFLAGS_IRIX_OPTION_OLD($@)])])