/[svn]/linuxsampler/trunk/m4/arts.m4
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Annotation of /linuxsampler/trunk/m4/arts.m4

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Revision 838 - (hide annotations) (download)
Fri Feb 10 14:57:40 2006 UTC (18 years, 1 month ago) by schoenebeck
File size: 6179 byte(s)
* added aRts audio output driver (by no means RT safe)

1 schoenebeck 838 # Configure paths for ARTS
2     # Philip Stadermann 2001-06-21
3     # stolen from esd.m4
4     #
5     # Christian Schoenebeck 2006-02-09
6     # modified to work for a C++ environment
7    
8     dnl --------------------------------------------------------------------------
9     dnl AM_PATH_ARTS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
10     dnl Test for ARTS, and define ARTS_CFLAGS and ARTS_LIBS
11     dnl --------------------------------------------------------------------------
12     AC_DEFUN([AM_PATH_ARTS],
13     [dnl
14     dnl Get the cflags and libraries from the artsc-config script
15     dnl
16     AC_ARG_WITH(arts-prefix, AC_HELP_STRING([--with-arts-prefix=DIR], [prefix where ARTS is installed (optional)]),
17     arts_prefix="$withval", arts_prefix="")
18     AC_ARG_ENABLE(artstest, AC_HELP_STRING([--disable-artstest], [do not try to compile and run a test ARTS program]),
19     enable_artstest=$enableval, enable_artstest=yes)
20    
21     if test x$arts_prefix != x ; then
22     arts_args="$arts_args --arts-prefix=$arts_prefix"
23     if test x${ARTS_CONFIG+set} != xset ; then
24     ARTS_CONFIG=$arts_prefix/bin/artsc-config
25     fi
26     fi
27    
28     AC_LANG_SAVE
29     AC_LANG_C
30    
31     AC_PATH_TOOL(ARTS_CONFIG, artsc-config, no)
32    
33     min_arts_version=ifelse([$1], ,0.9.5,$1)
34     AC_MSG_CHECKING(for ARTS artsc - version >= $min_arts_version)
35     no_arts=""
36     if test "$ARTS_CONFIG" = "no" ; then
37     no_arts=yes
38     else
39     ARTS_CFLAGS=`$ARTS_CONFIG $artsconf_args --cflags`
40     ARTS_LIBS=`$ARTS_CONFIG $artsconf_args --libs`
41    
42     arts_major_version=`$ARTS_CONFIG $arts_args --version | \
43     sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
44     arts_minor_version=`$ARTS_CONFIG $arts_args --version | \
45     sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
46     arts_micro_version=`$ARTS_CONFIG $arts_config_args --version | \
47     sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
48     if test "x$enable_artstest" = "xyes" ; then
49     ac_save_CFLAGS="$CFLAGS"
50     ac_save_LIBS="$LIBS"
51     CFLAGS="$CFLAGS $ARTS_CFLAGS"
52     LIBS="$LIBS $ARTS_LIBS"
53     dnl
54     dnl Check if the installed ARTS is actually available -- when cross-compiling,
55     dnl we have probably detected the build system's version of artsc-config
56     dnl
57     AC_CHECK_LIB([artsc], [arts_init], [], [no_arts=yes], [$ARTS_LIBS])
58    
59     dnl
60     dnl Now check if the installed ARTS is sufficiently new. (Also sanity
61     dnl checks the results of artsc-config to some extent)
62     dnl
63     rm -f conf.artstest
64     AC_TRY_RUN([
65     #include <stdio.h>
66     #include <stdlib.h>
67     #include <string.h>
68     #include <artsc.h>
69    
70     char*
71     my_strdup (char *str)
72     {
73     char *new_str;
74    
75     if (str)
76     {
77     new_str = malloc ((strlen (str) + 1) * sizeof(char));
78     strcpy (new_str, str);
79     }
80     else
81     new_str = NULL;
82    
83     return new_str;
84     }
85    
86     int main ()
87     {
88     int major, minor, micro;
89     char *tmp_version;
90    
91     system ("touch conf.artstest");
92    
93     /* HP/UX 9 (%@#!) writes to sscanf strings */
94     tmp_version = my_strdup("$min_arts_version");
95     if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
96     printf("%s, bad version string\n", "$min_arts_version");
97     exit(1);
98     }
99    
100     if (($arts_major_version > major) ||
101     (($arts_major_version == major) && ($arts_minor_version > minor)) ||
102     (($arts_major_version == major) && ($arts_minor_version == minor) && ($arts_micro_version >= micro)))
103     {
104     return 0;
105     }
106     else
107     {
108     printf("\n*** 'artsc-config --version' returned %d.%d.%d, but the minimum version\n", $arts_major_version, $arts_minor_version, $arts_micro_version);
109     printf("*** of ARTS required is %d.%d.%d. If artsc-config is correct, then it is\n", major, minor, micro);
110     printf("*** best to upgrade to the required version.\n");
111     printf("*** If artsc-config was wrong, set the environment variable ARTS_CONFIG\n");
112     printf("*** to point to the correct copy of artsc-config, and remove the file\n");
113     printf("*** config.cache before re-running configure\n");
114     return 1;
115     }
116     }
117    
118     ],, no_arts=yes,
119     AC_TRY_LINK([
120     #include <stdio.h>
121     #include <artsc.h>
122     ], [ return 0; ],, no_arts=yes))
123     CFLAGS="$ac_save_CFLAGS"
124     LIBS="$ac_save_LIBS"
125     fi
126     fi
127     if test "x$no_arts" = x ; then
128     AC_MSG_RESULT(yes)
129     ifelse([$2], , :, [$2])
130     else
131     AC_MSG_RESULT(no)
132     if test "$ARTS_CONFIG" = "no" ; then
133     echo "*** The artsc-config script installed by ARTS could not be found"
134     echo "*** If ARTS was installed in PREFIX, make sure PREFIX/bin is in"
135     echo "*** your path, or set the ARTS_CONFIG environment variable to the"
136     echo "*** full path to artsc-config."
137     else
138     if test -f conf.artstest ; then
139     :
140     else
141     echo "*** Could not run ARTS test program, checking why..."
142     CFLAGS="$CFLAGS $ARTS_CFLAGS"
143     LIBS="$LIBS $ARTS_LIBS"
144     AC_TRY_LINK([
145     #include <stdio.h>
146     #include <artsc.h>
147     ], [ return 0; ],
148     [ echo "*** The test program compiled, but did not run. This usually means"
149     echo "*** that the run-time linker is not finding ARTS or finding the wrong"
150     echo "*** version of ARTS. If it is not finding ARTS, you'll need to set your"
151     echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
152     echo "*** to the installed location Also, make sure you have run ldconfig if that"
153     echo "*** is required on your system"
154     echo "***"
155     echo "*** If you have an old version installed, it is best to remove it, although"
156     echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
157     [ echo "*** The test program failed to compile or link. See the file config.log for the"
158     echo "*** exact error that occured. This usually means ARTS was incorrectly installed"
159     echo "*** or that you have moved ARTS since it was installed. In the latter case, you"
160     echo "*** may want to edit the artsc-config script: $ARTS_CONFIG" ])
161     CFLAGS="$ac_save_CFLAGS"
162     LIBS="$ac_save_LIBS"
163     fi
164     fi
165     ARTS_CFLAGS=""
166     ARTS_LIBS=""
167     ifelse([$3], , :, [$3])
168     fi
169     AC_SUBST(ARTS_CFLAGS)
170     AC_SUBST(ARTS_LIBS)
171     rm -f conf.artstest
172     AC_LANG_RESTORE
173     ])

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