1 dnl Macros used to build the Wine configure script
3 dnl Copyright 2002 Alexandre Julliard
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.
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.
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
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
25 dnl **** Get the ldd program name; used by WINE_GET_SONAME ****
27 dnl Usage: WINE_PATH_LDD
29 AC_DEFUN([WINE_PATH_LDD],[AC_PATH_PROG(LDD,ldd,true,/sbin:/usr/sbin:$PATH)])
31 dnl **** Extract the soname of a library ****
33 dnl Usage: WINE_GET_SONAME(LIBRARY, FUNCTION, [OTHER_LIBRARIES])
35 AC_DEFUN([WINE_GET_SONAME],
36 [AC_REQUIRE([WINE_PATH_LDD])dnl
37 AS_VAR_PUSHDEF([ac_Lib],[ac_cv_lib_soname_$1])dnl
38 AC_CACHE_CHECK([for -l$1 soname], ac_Lib,
39 [ac_get_soname_save_LIBS=$LIBS
41 AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
43 dylib) AS_VAR_SET(ac_Lib,[`otool -L conftest$ac_exeext | grep lib$1\\.[[0-9A-Za-z.]]*dylib | sed -e "s/^.*\/\(lib$1\.[[0-9A-Za-z.]]*dylib\).*$/\1/"';2,$d'`]) ;;
44 so) AS_VAR_SET(ac_Lib,[`$ac_cv_path_LDD conftest$ac_exeext | grep lib$1\\.so | sed -e "s/^.*\(lib$1\.so[[^ ]]*\).*$/\1/"';2,$d'`]) ;;
46 if test "x$ac_Lib" = "x"
48 AS_VAR_SET(ac_Lib,"lib$1.$LIBEXT")
50 [AS_VAR_SET(ac_Lib,"lib$1.$LIBEXT")])
51 LIBS=$ac_get_soname_save_LIBS])
52 AS_VAR_SET_IF(ac_Lib,[AC_DEFINE_UNQUOTED(AS_TR_CPP(SONAME_LIB$1),["]AS_VAR_GET(ac_Lib)["],
53 [Define to the soname of the lib$1 library.])])dnl
54 AS_VAR_POPDEF([ac_Lib])])
56 dnl **** Link C code with an assembly file ****
58 dnl Usage: WINE_TRY_ASM_LINK(asm-code,includes,function,[action-if-found,[action-if-not-found]])
60 AC_DEFUN([WINE_TRY_ASM_LINK],
61 [AC_TRY_LINK([void ac_asm(void) { asm([$1]); }
62 [$2]],[$3],[$4],[$5])])
64 dnl **** Check if we can link an empty program with special CFLAGS ****
66 dnl Usage: WINE_TRY_CFLAGS(flags,[action-if-yes,[action-if-no]])
68 dnl The default action-if-yes is to append the flags to EXTRACFLAGS.
70 AC_DEFUN([WINE_TRY_CFLAGS],
71 [AS_VAR_PUSHDEF([ac_var], ac_cv_cflags_[[$1]])dnl
72 AC_CACHE_CHECK([whether the compiler supports $1], ac_var,
73 [ac_wine_try_cflags_saved=$CFLAGS
75 AC_TRY_LINK([],[], [AS_VAR_SET(ac_var,yes)], [AS_VAR_SET(ac_var,no)])
76 CFLAGS=$ac_wine_try_cflags_saved])
77 AS_IF([test AS_VAR_GET(ac_var) = yes],
78 [m4_default([$2], [EXTRACFLAGS="$EXTRACFLAGS $1"])], [$3])dnl
79 AS_VAR_POPDEF([ac_var])])
81 dnl **** Check if we can link an empty shared lib (no main) with special CFLAGS ****
83 dnl Usage: WINE_TRY_SHLIB_FLAGS(flags,[action-if-yes,[action-if-no]])
85 AC_DEFUN([WINE_TRY_SHLIB_FLAGS],
86 [ac_wine_try_cflags_saved=$CFLAGS
88 AC_LINK_IFELSE([void myfunc() {}],[$2],[$3])
89 CFLAGS=$ac_wine_try_cflags_saved])
91 dnl **** Check whether we need to define a symbol on the compiler command line ****
93 dnl Usage: WINE_CHECK_DEFINE(name),[action-if-yes,[action-if-no]])
95 AC_DEFUN([WINE_CHECK_DEFINE],
96 [AS_VAR_PUSHDEF([ac_var],[ac_cv_cpp_def_$1])dnl
97 AC_CACHE_CHECK([whether we need to define $1],ac_var,
98 AC_EGREP_CPP(yes,[#ifndef $1
101 [AS_VAR_SET(ac_var,yes)],[AS_VAR_SET(ac_var,no)]))
102 AS_IF([test AS_VAR_GET(ac_var) = yes],
103 [CFLAGS="$CFLAGS -D$1"
104 LINTFLAGS="$LINTFLAGS -D$1"])dnl
105 AS_VAR_POPDEF([ac_var])])
107 dnl **** Check for functions with some extra libraries ****
109 dnl Usage: WINE_CHECK_LIB_FUNCS(funcs,libs,[action-if-found,[action-if-not-found]])
111 AC_DEFUN([WINE_CHECK_LIB_FUNCS],
112 [ac_wine_check_funcs_save_LIBS="$LIBS"
114 AC_CHECK_FUNCS([$1],[$3],[$4])
115 LIBS="$ac_wine_check_funcs_save_LIBS"])
117 dnl **** Check for ln ****
119 dnl Usage: WINE_PROG_LN
121 AC_DEFUN([WINE_PROG_LN],
122 [AC_MSG_CHECKING([whether ln works])
123 rm -f conf$$ conf$$.file
125 if ln conf$$.file conf$$ 2>/dev/null; then
129 AC_SUBST(LN,["cp -p"])
130 AC_MSG_RESULT([no, using $LN])
132 rm -f conf$$ conf$$.file])
134 dnl **** Check for a mingw program, trying the various mingw prefixes ****
136 dnl Usage: WINE_CHECK_MINGW_PROG(variable,prog,[value-if-not-found],[path])
138 AC_DEFUN([WINE_CHECK_MINGW_PROG],
139 [AC_CHECK_PROGS([$1],
140 m4_foreach([ac_wine_prefix],
141 [i586-mingw32msvc, i386-mingw32msvc, i386-mingw32, mingw32, mingw],
142 [ac_wine_prefix-$2 ]),
146 dnl **** Create nonexistent directories from config.status ****
148 dnl Usage: WINE_CONFIG_EXTRA_DIR(dirname)
150 AC_DEFUN([WINE_CONFIG_EXTRA_DIR],
151 [AC_CONFIG_COMMANDS([$1],[test -d "$1" || (AC_MSG_NOTICE([creating $1]) && mkdir "$1")])])