1 dnl Macros used to build the Wine configure script
2 dnl
3 dnl Copyright 2002 Alexandre Julliard
4 dnl
5 dnl This library is free software; you can redistribute it and/or
6 dnl modify it under the terms of the GNU Lesser General Public
7 dnl License as published by the Free Software Foundation; either
8 dnl version 2.1 of the License, or (at your option) any later version.
9 dnl
10 dnl This library is distributed in the hope that it will be useful,
11 dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
12 dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 dnl Lesser General Public License for more details.
14 dnl
15 dnl You should have received a copy of the GNU Lesser General Public
16 dnl License along with this library; if not, write to the Free Software
17 dnl Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18 dnl
19 dnl As a special exception to the GNU Lesser General Public License,
20 dnl if you distribute this file as part of a program that contains a
21 dnl configuration script generated by Autoconf, you may include it
22 dnl under the same distribution terms that you use for the rest of
23 dnl that program.
24
25 dnl **** Get the ldd program name; used by WINE_GET_SONAME ****
26 dnl
27 dnl Usage: WINE_PATH_LDD
28 dnl
29 AC_DEFUN([WINE_PATH_LDD],[AC_PATH_PROG(LDD,ldd,true,/sbin:/usr/sbin:$PATH)])
30
31 dnl **** Extract the soname of a library ****
32 dnl
33 dnl Usage: WINE_CHECK_SONAME(library, function, [action-if-found, [action-if-not-found, [other_libraries, [pattern]]]])
34 dnl
35 AC_DEFUN([WINE_CHECK_SONAME],
36 [AC_REQUIRE([WINE_PATH_LDD])dnl
37 AS_VAR_PUSHDEF([ac_Lib],[ac_cv_lib_soname_$1])dnl
38 m4_pushdef([ac_lib_pattern],m4_default([$6],[lib$1]))dnl
39 AC_MSG_CHECKING([for -l$1])
40 AC_CACHE_VAL(ac_Lib,
41 [ac_check_soname_save_LIBS=$LIBS
42 LIBS="-l$1 $5 $LIBS"
43 AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
44 [case "$LIBEXT" in
45 dll) ;;
46 dylib) AS_VAR_SET(ac_Lib,[`otool -L conftest$ac_exeext | grep "ac_lib_pattern\\.[[0-9A-Za-z.]]*dylib" | sed -e "s/^.*\/\(ac_lib_pattern\.[[0-9A-Za-z.]]*dylib\).*$/\1/"';2,$d'`]) ;;
47 *) AS_VAR_SET(ac_Lib,[`$ac_cv_path_LDD conftest$ac_exeext | grep "ac_lib_pattern\\.$LIBEXT" | sed -e "s/^.*\(ac_lib_pattern\.$LIBEXT[[^ ]]*\).*$/\1/"';2,$d'`]) ;;
48 esac])
49 LIBS=$ac_check_soname_save_LIBS])dnl
50 AS_IF([test "x]AS_VAR_GET(ac_Lib)[" = "x"],
51 [AC_MSG_RESULT([not found])
52 $4],
53 [AC_MSG_RESULT(AS_VAR_GET(ac_Lib))
54 AC_DEFINE_UNQUOTED(AS_TR_CPP(SONAME_LIB$1),["]AS_VAR_GET(ac_Lib)["],
55 [Define to the soname of the lib$1 library.])
56 $3])dnl
57 m4_popdef([ac_lib_pattern])dnl
58 AS_VAR_POPDEF([ac_Lib])])
59
60 dnl **** Link C code with an assembly file ****
61 dnl
62 dnl Usage: WINE_TRY_ASM_LINK(asm-code,includes,function,[action-if-found,[action-if-not-found]])
63 dnl
64 AC_DEFUN([WINE_TRY_ASM_LINK],
65 [AC_LINK_IFELSE(AC_LANG_PROGRAM([[$2]],[[asm($1); $3]]),[$4],[$5])])
66
67 dnl **** Check if we can link an empty program with special CFLAGS ****
68 dnl
69 dnl Usage: WINE_TRY_CFLAGS(flags,[action-if-yes,[action-if-no]])
70 dnl
71 dnl The default action-if-yes is to append the flags to EXTRACFLAGS.
72 dnl
73 AC_DEFUN([WINE_TRY_CFLAGS],
74 [AS_VAR_PUSHDEF([ac_var], ac_cv_cflags_[[$1]])dnl
75 AC_CACHE_CHECK([whether the compiler supports $1], ac_var,
76 [ac_wine_try_cflags_saved=$CFLAGS
77 CFLAGS="$CFLAGS $1"
78 AC_LINK_IFELSE(AC_LANG_PROGRAM(), [AS_VAR_SET(ac_var,yes)], [AS_VAR_SET(ac_var,no)])
79 CFLAGS=$ac_wine_try_cflags_saved])
80 AS_IF([test AS_VAR_GET(ac_var) = yes],
81 [m4_default([$2], [EXTRACFLAGS="$EXTRACFLAGS $1"])], [$3])dnl
82 AS_VAR_POPDEF([ac_var])])
83
84 dnl **** Check if we can link an empty shared lib (no main) with special CFLAGS ****
85 dnl
86 dnl Usage: WINE_TRY_SHLIB_FLAGS(flags,[action-if-yes,[action-if-no]])
87 dnl
88 AC_DEFUN([WINE_TRY_SHLIB_FLAGS],
89 [ac_wine_try_cflags_saved=$CFLAGS
90 CFLAGS="$CFLAGS $1"
91 AC_LINK_IFELSE([void myfunc() {}],[$2],[$3])
92 CFLAGS=$ac_wine_try_cflags_saved])
93
94 dnl **** Check whether we need to define a symbol on the compiler command line ****
95 dnl
96 dnl Usage: WINE_CHECK_DEFINE(name),[action-if-yes,[action-if-no]])
97 dnl
98 AC_DEFUN([WINE_CHECK_DEFINE],
99 [AS_VAR_PUSHDEF([ac_var],[ac_cv_cpp_def_$1])dnl
100 AC_CACHE_CHECK([whether we need to define $1],ac_var,
101 AC_EGREP_CPP(yes,[#ifndef $1
102 yes
103 #endif],
104 [AS_VAR_SET(ac_var,yes)],[AS_VAR_SET(ac_var,no)]))
105 AS_IF([test AS_VAR_GET(ac_var) = yes],
106 [CFLAGS="$CFLAGS -D$1"
107 LINTFLAGS="$LINTFLAGS -D$1"])dnl
108 AS_VAR_POPDEF([ac_var])])
109
110 dnl **** Check for functions with some extra libraries ****
111 dnl
112 dnl Usage: WINE_CHECK_LIB_FUNCS(funcs,libs,[action-if-found,[action-if-not-found]])
113 dnl
114 AC_DEFUN([WINE_CHECK_LIB_FUNCS],
115 [ac_wine_check_funcs_save_LIBS="$LIBS"
116 LIBS="$LIBS $2"
117 AC_CHECK_FUNCS([$1],[$3],[$4])
118 LIBS="$ac_wine_check_funcs_save_LIBS"])
119
120 dnl **** Check for ln ****
121 dnl
122 dnl Usage: WINE_PROG_LN
123 dnl
124 AC_DEFUN([WINE_PROG_LN],
125 [AC_MSG_CHECKING([whether ln works])
126 rm -f conf$$ conf$$.file
127 echo >conf$$.file
128 if ln conf$$.file conf$$ 2>/dev/null; then
129 AC_SUBST(LN,ln)
130 AC_MSG_RESULT([yes])
131 else
132 AC_SUBST(LN,["cp -p"])
133 AC_MSG_RESULT([no, using $LN])
134 fi
135 rm -f conf$$ conf$$.file])
136
137 dnl **** Check for a mingw program, trying the various mingw prefixes ****
138 dnl
139 dnl Usage: WINE_CHECK_MINGW_PROG(variable,prog,[value-if-not-found],[path])
140 dnl
141 AC_DEFUN([WINE_CHECK_MINGW_PROG],
142 [AC_CHECK_PROGS([$1],
143 m4_foreach([ac_wine_prefix],
144 [i586-mingw32msvc, i386-mingw32msvc, i686-mingw32, i586-mingw32, i386-mingw32, mingw32, mingw],
145 [ac_wine_prefix-$2 ]),
146 [$3],[$4])])
147
148
149 dnl **** Create nonexistent directories from config.status ****
150 dnl
151 dnl Usage: WINE_CONFIG_EXTRA_DIR(dirname)
152 dnl
153 AC_DEFUN([WINE_CONFIG_EXTRA_DIR],
154 [AC_CONFIG_COMMANDS([$1],[test -d "$1" || (AC_MSG_NOTICE([creating $1]) && mkdir "$1")])])
155
156 dnl **** Add a message to the list displayed at the end ****
157 dnl
158 dnl Usage: WINE_NOTICE(notice)
159 dnl Usage: WINE_NOTICE_WITH(with_flag, test, notice)
160 dnl Usage: WINE_WARNING(warning)
161 dnl Usage: WINE_WARNING_WITH(with_flag, test, warning)
162 dnl Usage: WINE_PRINT_MESSAGES
163 dnl
164 AC_DEFUN([WINE_NOTICE],[wine_notices="$wine_notices|$1"])
165 AC_DEFUN([WINE_WARNING],[wine_warnings="$wine_warnings|$1"])
166
167 AC_DEFUN([WINE_NOTICE_WITH],[AS_IF([$2],[case "x$with_$1" in
168 x) WINE_NOTICE([$3]) ;;
169 xno) ;;
170 *) AC_MSG_ERROR([$3
171 This is an error since --with-$1 was requested.]) ;;
172 esac])])
173
174 AC_DEFUN([WINE_WARNING_WITH],[AS_IF([$2],[case "x$with_$1" in
175 x) WINE_WARNING([$3]) ;;
176 xno) ;;
177 *) AC_MSG_ERROR([$3
178 This is an error since --with-$1 was requested.]) ;;
179 esac])])
180
181 AC_DEFUN([WINE_ERROR_WITH],[AS_IF([$2],[case "x$with_$1" in
182 xno) ;;
183 *) AC_MSG_ERROR([$3
184 Use the --without-$1 option if you really want this.]) ;;
185 esac])])
186
187 AC_DEFUN([WINE_PRINT_MESSAGES],[ac_save_IFS="$IFS"
188 IFS="|"
189 if test "x$wine_notices != "x; then
190 echo >&AS_MESSAGE_FD
191 for msg in $wine_notices; do
192 if test -n "$msg"; then
193 AC_MSG_NOTICE([$msg])
194 fi
195 done
196 fi
197 for msg in $wine_warnings; do
198 if test -n "$msg"; then
199 echo >&2
200 AC_MSG_WARN([$msg])
201 fi
202 done
203 IFS="$ac_save_IFS"])
204
205 dnl Local Variables:
206 dnl compile-command: "autoreconf --warnings=all"
207 dnl End:
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