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_MSG_CHECKING([for -l$1 soname])
40 [ac_get_soname_save_LIBS=$LIBS
42 AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
45 dylib) AS_VAR_SET(ac_Lib,[`otool -L conftest$ac_exeext | grep "lib$1\\.[[0-9A-Za-z.]]*dylib" | sed -e "s/^.*\/\(lib$1\.[[0-9A-Za-z.]]*dylib\).*$/\1/"';2,$d'`]) ;;
46 *) AS_VAR_SET(ac_Lib,[`$ac_cv_path_LDD conftest$ac_exeext | grep "lib$1\\.$LIBEXT" | sed -e "s/^.*\(lib$1\.$LIBEXT[[^ ]]*\).*$/\1/"';2,$d'`]) ;;
48 LIBS=$ac_get_soname_save_LIBS])dnl
49 AS_IF([test "x]AS_VAR_GET(ac_Lib)[" = "x"],
50 [AC_MSG_RESULT([not found])],
51 [AC_MSG_RESULT(AS_VAR_GET(ac_Lib))
52 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_LINK_IFELSE(AC_LANG_PROGRAM([[$2]],[[asm($1); $3]]),[$4],[$5])])
63 dnl **** Check if we can link an empty program with special CFLAGS ****
65 dnl Usage: WINE_TRY_CFLAGS(flags,[action-if-yes,[action-if-no]])
67 dnl The default action-if-yes is to append the flags to EXTRACFLAGS.
69 AC_DEFUN([WINE_TRY_CFLAGS],
70 [AS_VAR_PUSHDEF([ac_var], ac_cv_cflags_[[$1]])dnl
71 AC_CACHE_CHECK([whether the compiler supports $1], ac_var,
72 [ac_wine_try_cflags_saved=$CFLAGS
74 AC_LINK_IFELSE(AC_LANG_PROGRAM(), [AS_VAR_SET(ac_var,yes)], [AS_VAR_SET(ac_var,no)])
75 CFLAGS=$ac_wine_try_cflags_saved])
76 AS_IF([test AS_VAR_GET(ac_var) = yes],
77 [m4_default([$2], [EXTRACFLAGS="$EXTRACFLAGS $1"])], [$3])dnl
78 AS_VAR_POPDEF([ac_var])])
80 dnl **** Check if we can link an empty shared lib (no main) with special CFLAGS ****
82 dnl Usage: WINE_TRY_SHLIB_FLAGS(flags,[action-if-yes,[action-if-no]])
84 AC_DEFUN([WINE_TRY_SHLIB_FLAGS],
85 [ac_wine_try_cflags_saved=$CFLAGS
87 AC_LINK_IFELSE([void myfunc() {}],[$2],[$3])
88 CFLAGS=$ac_wine_try_cflags_saved])
90 dnl **** Check whether we need to define a symbol on the compiler command line ****
92 dnl Usage: WINE_CHECK_DEFINE(name),[action-if-yes,[action-if-no]])
94 AC_DEFUN([WINE_CHECK_DEFINE],
95 [AS_VAR_PUSHDEF([ac_var],[ac_cv_cpp_def_$1])dnl
96 AC_CACHE_CHECK([whether we need to define $1],ac_var,
97 AC_EGREP_CPP(yes,[#ifndef $1
100 [AS_VAR_SET(ac_var,yes)],[AS_VAR_SET(ac_var,no)]))
101 AS_IF([test AS_VAR_GET(ac_var) = yes],
102 [CFLAGS="$CFLAGS -D$1"
103 LINTFLAGS="$LINTFLAGS -D$1"])dnl
104 AS_VAR_POPDEF([ac_var])])
106 dnl **** Check for functions with some extra libraries ****
108 dnl Usage: WINE_CHECK_LIB_FUNCS(funcs,libs,[action-if-found,[action-if-not-found]])
110 AC_DEFUN([WINE_CHECK_LIB_FUNCS],
111 [ac_wine_check_funcs_save_LIBS="$LIBS"
113 AC_CHECK_FUNCS([$1],[$3],[$4])
114 LIBS="$ac_wine_check_funcs_save_LIBS"])
116 dnl **** Check for ln ****
118 dnl Usage: WINE_PROG_LN
120 AC_DEFUN([WINE_PROG_LN],
121 [AC_MSG_CHECKING([whether ln works])
122 rm -f conf$$ conf$$.file
124 if ln conf$$.file conf$$ 2>/dev/null; then
128 AC_SUBST(LN,["cp -p"])
129 AC_MSG_RESULT([no, using $LN])
131 rm -f conf$$ conf$$.file])
133 dnl **** Check for a mingw program, trying the various mingw prefixes ****
135 dnl Usage: WINE_CHECK_MINGW_PROG(variable,prog,[value-if-not-found],[path])
137 AC_DEFUN([WINE_CHECK_MINGW_PROG],
138 [AC_CHECK_PROGS([$1],
139 m4_foreach([ac_wine_prefix],
140 [i586-mingw32msvc, i386-mingw32msvc, i386-mingw32, mingw32, mingw],
141 [ac_wine_prefix-$2 ]),
145 dnl **** Create nonexistent directories from config.status ****
147 dnl Usage: WINE_CONFIG_EXTRA_DIR(dirname)
149 AC_DEFUN([WINE_CONFIG_EXTRA_DIR],
150 [AC_CONFIG_COMMANDS([$1],[test -d "$1" || (AC_MSG_NOTICE([creating $1]) && mkdir "$1")])])
153 dnl compile-command: "autoreconf --warnings=all"