winmm: Fix PlaySound so it doesn't block when another sound is already playing.
[wine.git] / aclocal.m4
blobe139fcde42c59c87e86c697bb73dfb66d65d2e1d
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.
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)])
31 dnl **** Extract the soname of a library ****
32 dnl
33 dnl Usage: WINE_GET_SONAME(LIBRARY, FUNCTION, [OTHER_LIBRARIES])
34 dnl
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
40 LIBS="-l$1 $3 $LIBS"
41   AC_LINK_IFELSE([AC_LANG_CALL([], [$2])],
42   [case "$LIBEXT" in
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'`]) ;;
45   esac
46   if test "x$ac_Lib" = "x"
47   then
48      AS_VAR_SET(ac_Lib,"lib$1.$LIBEXT")
49   fi],
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 ****
57 dnl
58 dnl Usage: WINE_TRY_ASM_LINK(asm-code,includes,function,[action-if-found,[action-if-not-found]])
59 dnl
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 ****
64 dnl
65 dnl Usage: WINE_TRY_CFLAGS(flags,[action-if-yes,[action-if-no]])
66 dnl
67 dnl The default action-if-yes is to append the flags to EXTRACFLAGS.
68 dnl
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
73 CFLAGS="$CFLAGS $1"
74 AC_LINK_IFELSE(AC_LANG_PROGRAM(), [AS_VAR_SET(ac_var,yes)], [AS_VAR_SET(ac_var,no)])
75 CFLAGS=$ac_wine_try_cflags_saved])
76 AS_IF([test AS_VAR_GET(ac_var) = yes],
77       [m4_default([$2], [EXTRACFLAGS="$EXTRACFLAGS $1"])], [$3])dnl
78 AS_VAR_POPDEF([ac_var])])
80 dnl **** Check if we can link an empty shared lib (no main) with special CFLAGS ****
81 dnl
82 dnl Usage: WINE_TRY_SHLIB_FLAGS(flags,[action-if-yes,[action-if-no]])
83 dnl
84 AC_DEFUN([WINE_TRY_SHLIB_FLAGS],
85 [ac_wine_try_cflags_saved=$CFLAGS
86 CFLAGS="$CFLAGS $1"
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 ****
91 dnl
92 dnl Usage: WINE_CHECK_DEFINE(name),[action-if-yes,[action-if-no]])
93 dnl
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 $1
98 yes
99 #endif],
100     [AS_VAR_SET(ac_var,yes)],[AS_VAR_SET(ac_var,no)]))
101 AS_IF([test AS_VAR_GET(ac_var) = yes],
102       [CFLAGS="$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"
112 LIBS="$LIBS $2"
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
123 echo >conf$$.file
124 if ln conf$$.file conf$$ 2>/dev/null; then
125   AC_SUBST(LN,ln)
126   AC_MSG_RESULT([yes])
127 else
128   AC_SUBST(LN,["cp -p"])
129   AC_MSG_RESULT([no, using $LN])
131 rm -f conf$$ 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 ]),
142    [$3],[$4])])
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")])])