xmms/gentoo-m4/xmms_local.m4

# Test for libxml by Haavard Kvaalen <havardk@xmms.org>
# Based on GLIB test by Owen Taylor

dnl AM_PATH_LIBXML([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for libxml, and define XML_CFLAGS and XML_LIBS
dnl
AC_DEFUN(AM_PATH_LIBXML,
[dnl 
dnl Get the cflags and libraries from the xml-config script
dnl
AC_ARG_WITH(libxml-prefix, [  --with-libxml-prefix=PFX   Prefix where libxml is installed (optional)],
            libxml_prefix="$withval", libxml_prefix="")
AC_ARG_ENABLE(libxmltest, [  --disable-libxmltest       Do not try to compile and run a test libxml program],
		    , enable_libxmltest=yes)

  if test x$libxml_config_prefix != x ; then
     libxml_config_args="$libxml_config_args --prefix=$libxml_config_prefix"
     if test x${XML_CONFIG+set} != xset ; then
        XML_CONFIG=$libxml_config_prefix/bin/xml-config
     fi
  fi

  AC_PATH_PROG(XML_CONFIG, xml-config, no)
  min_libxml_version=ifelse([$1], ,1.0.0, $1)
  AC_MSG_CHECKING(for libxml - version >= $min_libxml_version)
  no_libxml=""
  if test "$XML_CONFIG" = "no" ; then
    no_libxml=yes
  else
    XML_CFLAGS=`$XML_CONFIG $libxml_config_args --cflags`
    XML_LIBS=`$XML_CONFIG $libxml_config_args --libs`
    libxml_major_version=`$XML_CONFIG $libxml_config_args --version | \
           sed 's/[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)[[^0-9]]*/\1/'`
    libxml_minor_version=`$XML_CONFIG $libxml_config_args --version | \
           sed 's/[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)[[^0-9]]*/\2/'`
    libxml_micro_version=`$XML_CONFIG $libxml_config_args --version | \
           sed 's/[[^0-9]]*\([[0-9]]*\)\.\([[0-9]]*\)\.\([[0-9]]*\)[[^0-9]]*/\3/'`
    if test "x$enable_libxmltest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $XML_CFLAGS"
      LIBS="$XML_LIBS $LIBS"
dnl
dnl Now check if the installed libxml is sufficiently new. (Also sanity
dnl checks the results of xml-config to some extent
dnl
      rm -f conf.libxmltest
      AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <parser.h>

char*
my_strdup (char *str)
{
  char *new_str;
  
  if (str)
  {
      new_str = malloc((strlen (str) + 1) * sizeof(char));
      strcpy(new_str, str);
  }
  else
    new_str = NULL;
  
  return new_str;
}

int 
main ()
{
  int major, minor, micro;
  char *tmp_version;

  system ("touch conf.libxmltest");

  /* HP/UX 9 (%@#!) writes to sscanf strings */
  tmp_version = my_strdup("$min_libxml_version");
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
     printf("%s, bad version string\n", "$min_libxml_version");
     exit(1);
  }

  if (($libxml_major_version > major) ||
      (($libxml_major_version == major) && ($libxml_minor_version > minor)) ||
      (($libxml_major_version == major) && ($libxml_minor_version == minor) && ($libxml_micro_version >= micro)))
  {
        return 0;
  }
  else
  {
        printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
               $libxml_major_version, $libxml_minor_version, $libxml_micro_version);
        printf("*** You need a version of libxml newer than %d.%d.%d.\n",
	       major, minor, micro);
        printf("***\n");
        printf("*** If you have already installed a sufficiently new version, this error\n");
        printf("*** probably means that the wrong copy of the xml-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of libxml, but you can also set the XML_CONFIG environment to point to the\n");
        printf("*** correct copy of xml-config. (In this case, you will have to\n");
        printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
        printf("*** so that the correct libraries are found at run-time))\n");
  }
  return 1;
}
],, no_libxml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
  fi
  if test "x$no_libxml" = x ; then
     AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])
  else
     AC_MSG_RESULT(no)
     if test "$XML_CONFIG" = "no" ; then
	:
     else
       if test -f conf.libxmltest ; then
        :
       else
          echo "*** Could not run LIBXML test program, checking why..."
          CFLAGS="$CFLAGS $XML_CFLAGS"
          LIBS="$LIBS $XML_LIBS"
          AC_TRY_LINK([
#include <parser.h>
#include <stdio.h>
],      [ return 0; ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding libxml or finding the"
          echo "*** wrong version of libxml. If it is not finding libxml, you will"
          echo "*** need to set your LD_LIBRARY_PATH environment variable, or"
          echo "*** edit /etc/ld.so.conf to point to the installed location  Also,"
          echo "*** make sure you have run ldconfig if that is required on your system"],
        [ echo "*** The test program failed to compile or link. See the file config.log"
          echo "*** for the exact error that occured. This usually means libxml was"
          echo "*** incorrectly installed or that you have moved libxml since it was"
          echo "*** installed."])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
       fi
     fi
     XML_CFLAGS=""
     XML_LIBS=""
     ifelse([$3], , :, [$3])
  fi
  AC_SUBST(XML_CFLAGS)
  AC_SUBST(XML_LIBS)
  rm -f conf.libxmltest
])

##--## local

dnl XMMS_FUNC_POSIX(FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
dnl Test for functions in posix libraries, and define POSIX_LIBS
AC_DEFUN(XMMS_FUNC_POSIX,
[dnl
    xmms_posix4=no
    xmms_rt=no
    for xmms_func in $1
    do
        xmms_have_func=no
        AC_CHECK_FUNC($xmms_func,xmms_have_func=yes,[
            dnl try in libposix4 if not found in current LIBS
            AC_CHECK_LIB(posix4,$xmms_func,[xmms_have_func=yes xmms_posix4=yes],[
                dnl try in librt, if not found so far
                AC_CHECK_LIB(rt,$xmms_func,[xmms_have_func=yes xmms_rt=yes])
            ])
        ])
        if test $xmms_have_func = yes; then
            changequote(, )dnl
            xmms_tr_func=HAVE_`echo $xmms_func | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
            changequote([, ])dnl
            AC_DEFINE_UNQUOTED($xmms_tr_func)
            ifelse([$2], , :, [$2])
        else
            ifelse([$3], , :, [$3])
        fi
    done
    POSIX_LIBS=
    if test $xmms_posix4 = yes; then
        POSIX_LIBS=-lposix4
    fi
    if test $xmms_rt = yes; then
        POSIX_LIBS="$POSIX_LIBS -lrt"
    fi
    AC_SUBST(POSIX_LIBS)
])
1	# Test for libxml by Haavard Kvaalen <havardk@xmms.org>
2	# Based on GLIB test by Owen Taylor
3
4	dnl AM_PATH_LIBXML([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
5	dnl Test for libxml, and define XML_CFLAGS and XML_LIBS
6	dnl
7	AC_DEFUN(AM_PATH_LIBXML,
8	[dnl
9	dnl Get the cflags and libraries from the xml-config script
10	dnl
11	AC_ARG_WITH(libxml-prefix, [ --with-libxml-prefix=PFX Prefix where libxml is installed (optional)],
12	libxml_prefix="$withval", libxml_prefix="")
13	AC_ARG_ENABLE(libxmltest, [ --disable-libxmltest Do not try to compile and run a test libxml program],
14	, enable_libxmltest=yes)
15
16	if test x$libxml_config_prefix != x ; then
17	libxml_config_args="$libxml_config_args --prefix=$libxml_config_prefix"
18	if test x${XML_CONFIG+set} != xset ; then
19	XML_CONFIG=$libxml_config_prefix/bin/xml-config
20	fi
21	fi
22
23	AC_PATH_PROG(XML_CONFIG, xml-config, no)
24	min_libxml_version=ifelse([$1], ,1.0.0, $1)
25	AC_MSG_CHECKING(for libxml - version >= $min_libxml_version)
26	no_libxml=""
27	if test "$XML_CONFIG" = "no" ; then
28	no_libxml=yes
29	else
30	XML_CFLAGS=`$XML_CONFIG $libxml_config_args --cflags`
31	XML_LIBS=`$XML_CONFIG $libxml_config_args --libs`
32	libxml_major_version=`$XML_CONFIG $libxml_config_args --version \| \
33	sed 's/[[^0-9]]\([[0-9]]\)\.\([[0-9]]\)\.\([[0-9]]\)[[^0-9]]*/\1/'`
34	libxml_minor_version=`$XML_CONFIG $libxml_config_args --version \| \
35	sed 's/[[^0-9]]\([[0-9]]\)\.\([[0-9]]\)\.\([[0-9]]\)[[^0-9]]*/\2/'`
36	libxml_micro_version=`$XML_CONFIG $libxml_config_args --version \| \
37	sed 's/[[^0-9]]\([[0-9]]\)\.\([[0-9]]\)\.\([[0-9]]\)[[^0-9]]*/\3/'`
38	if test "x$enable_libxmltest" = "xyes" ; then
39	ac_save_CFLAGS="$CFLAGS"
40	ac_save_LIBS="$LIBS"
41	CFLAGS="$CFLAGS $XML_CFLAGS"
42	LIBS="$XML_LIBS $LIBS"
43	dnl
44	dnl Now check if the installed libxml is sufficiently new. (Also sanity
45	dnl checks the results of xml-config to some extent
46	dnl
47	rm -f conf.libxmltest
48	AC_TRY_RUN([
49	#include <stdio.h>
50	#include <stdlib.h>
51	#include <parser.h>
52
53	char*
54	my_strdup (char *str)
55	{
56	char *new_str;
57
58	if (str)
59	{
60	new_str = malloc((strlen (str) + 1) * sizeof(char));
61	strcpy(new_str, str);
62	}
63	else
64	new_str = NULL;
65
66	return new_str;
67	}
68
69	int
70	main ()
71	{
72	int major, minor, micro;
73	char *tmp_version;
74
75	system ("touch conf.libxmltest");
76
77	/* HP/UX 9 (%@#!) writes to sscanf strings */
78	tmp_version = my_strdup("$min_libxml_version");
79	if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
80	printf("%s, bad version string\n", "$min_libxml_version");
81	exit(1);
82	}
83
84	if (($libxml_major_version > major) \|\|
85	(($libxml_major_version == major) && ($libxml_minor_version > minor)) \|\|
86	(($libxml_major_version == major) && ($libxml_minor_version == minor) && ($libxml_micro_version >= micro)))
87	{
88	return 0;
89	}
90	else
91	{
92	printf("\n*** An old version of libxml (%d.%d.%d) was found.\n",
93	$libxml_major_version, $libxml_minor_version, $libxml_micro_version);
94	printf("*** You need a version of libxml newer than %d.%d.%d.\n",
95	major, minor, micro);
96	printf("***\n");
97	printf("*** If you have already installed a sufficiently new version, this error\n");
98	printf("*** probably means that the wrong copy of the xml-config shell script is\n");
99	printf("*** being found. The easiest way to fix this is to remove the old version\n");
100	printf("*** of libxml, but you can also set the XML_CONFIG environment to point to the\n");
101	printf("*** correct copy of xml-config. (In this case, you will have to\n");
102	printf("*** modify your LD_LIBRARY_PATH enviroment variable, or edit /etc/ld.so.conf\n");
103	printf("*** so that the correct libraries are found at run-time))\n");
104	}
105	return 1;
106	}
107	],, no_libxml=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
108	CFLAGS="$ac_save_CFLAGS"
109	LIBS="$ac_save_LIBS"
110	fi
111	fi
112	if test "x$no_libxml" = x ; then
113	AC_MSG_RESULT(yes)
114	ifelse([$2], , :, [$2])
115	else
116	AC_MSG_RESULT(no)
117	if test "$XML_CONFIG" = "no" ; then
118	:
119	else
120	if test -f conf.libxmltest ; then
121	:
122	else
123	echo "*** Could not run LIBXML test program, checking why..."
124	CFLAGS="$CFLAGS $XML_CFLAGS"
125	LIBS="$LIBS $XML_LIBS"
126	AC_TRY_LINK([
127	#include <parser.h>
128	#include <stdio.h>
129	], [ return 0; ],
130	[ echo "*** The test program compiled, but did not run. This usually means"
131	echo "*** that the run-time linker is not finding libxml or finding the"
132	echo "*** wrong version of libxml. If it is not finding libxml, you will"
133	echo "*** need to set your LD_LIBRARY_PATH environment variable, or"
134	echo "*** edit /etc/ld.so.conf to point to the installed location Also,"
135	echo "*** make sure you have run ldconfig if that is required on your system"],
136	[ echo "*** The test program failed to compile or link. See the file config.log"
137	echo "*** for the exact error that occured. This usually means libxml was"
138	echo "*** incorrectly installed or that you have moved libxml since it was"
139	echo "*** installed."])
140	CFLAGS="$ac_save_CFLAGS"
141	LIBS="$ac_save_LIBS"
142	fi
143	fi
144	XML_CFLAGS=""
145	XML_LIBS=""
146	ifelse([$3], , :, [$3])
147	fi
148	AC_SUBST(XML_CFLAGS)
149	AC_SUBST(XML_LIBS)
150	rm -f conf.libxmltest
151	])
152
153	##--## local
154
155	dnl XMMS_FUNC_POSIX(FUNCTION... [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]])
156	dnl Test for functions in posix libraries, and define POSIX_LIBS
157	AC_DEFUN(XMMS_FUNC_POSIX,
158	[dnl
159	xmms_posix4=no
160	xmms_rt=no
161	for xmms_func in $1
162	do
163	xmms_have_func=no
164	AC_CHECK_FUNC($xmms_func,xmms_have_func=yes,[
165	dnl try in libposix4 if not found in current LIBS
166	AC_CHECK_LIB(posix4,$xmms_func,[xmms_have_func=yes xmms_posix4=yes],[
167	dnl try in librt, if not found so far
168	AC_CHECK_LIB(rt,$xmms_func,[xmms_have_func=yes xmms_rt=yes])
169	])
170	])
171	if test $xmms_have_func = yes; then
172	changequote(, )dnl
173	xmms_tr_func=HAVE_`echo $xmms_func \| tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
174	changequote([, ])dnl
175	AC_DEFINE_UNQUOTED($xmms_tr_func)
176	ifelse([$2], , :, [$2])
177	else
178	ifelse([$3], , :, [$3])
179	fi
180	done
181	POSIX_LIBS=
182	if test $xmms_posix4 = yes; then
183	POSIX_LIBS=-lposix4
184	fi
185	if test $xmms_rt = yes; then
186	POSIX_LIBS="$POSIX_LIBS -lrt"
187	fi
188	AC_SUBST(POSIX_LIBS)
189	])