1# Configure paths for ESD
2# Manish Singh    98-9-30
3# stolen back from Frank Belew
4# stolen from Manish Singh
5# Shamelessly stolen from Owen Taylor
6
7dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
8dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
9dnl
10AC_DEFUN(AM_PATH_ESD,
11[dnl
12dnl Get the cflags and libraries from the esd-config script
13dnl
14AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],
15            esd_prefix="$withval", esd_prefix="")
16AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX
17                          Exec prefix where ESD is installed (optional)],
18            esd_exec_prefix="$withval", esd_exec_prefix="")
19AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],
20		    , enable_esdtest=yes)
21
22  if test x$esd_exec_prefix != x ; then
23     esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
24     if test x${ESD_CONFIG+set} != xset ; then
25        ESD_CONFIG=$esd_exec_prefix/bin/esd-config
26     fi
27  fi
28  if test x$esd_prefix != x ; then
29     esd_args="$esd_args --prefix=$esd_prefix"
30     if test x${ESD_CONFIG+set} != xset ; then
31        ESD_CONFIG=$esd_prefix/bin/esd-config
32     fi
33  fi
34
35  AC_PATH_PROG(ESD_CONFIG, esd-config, no)
36  min_esd_version=ifelse([$1], ,0.2.7,$1)
37  AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
38  no_esd=""
39  if test "$ESD_CONFIG" = "no" ; then
40    no_esd=yes
41  else
42    ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
43    ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
44
45    esd_major_version=`$ESD_CONFIG $esd_args --version | \
46           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
47    esd_minor_version=`$ESD_CONFIG $esd_args --version | \
48           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
49    esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
50           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
51    if test "x$enable_esdtest" = "xyes" ; then
52      ac_save_CFLAGS="$CFLAGS"
53      ac_save_LIBS="$LIBS"
54      CFLAGS="$CFLAGS $ESD_CFLAGS"
55      LIBS="$LIBS $ESD_LIBS"
56dnl
57dnl Now check if the installed ESD is sufficiently new. (Also sanity
58dnl checks the results of esd-config to some extent
59dnl
60      rm -f conf.esdtest
61      AC_TRY_RUN([
62#include <stdio.h>
63#include <stdlib.h>
64#include <string.h>
65#include <esd.h>
66
67char*
68my_strdup (char *str)
69{
70  char *new_str;
71
72  if (str)
73    {
74      new_str = malloc ((strlen (str) + 1) * sizeof(char));
75      strcpy (new_str, str);
76    }
77  else
78    new_str = NULL;
79
80  return new_str;
81}
82
83int main ()
84{
85  int major, minor, micro;
86  char *tmp_version;
87
88  system ("touch conf.esdtest");
89
90  /* HP/UX 9 (%@#!) writes to sscanf strings */
91  tmp_version = my_strdup("$min_esd_version");
92  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
93     printf("%s, bad version string\n", "$min_esd_version");
94     exit(1);
95   }
96
97   if (($esd_major_version > major) ||
98      (($esd_major_version == major) && ($esd_minor_version > minor)) ||
99      (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
100    {
101      return 0;
102    }
103  else
104    {
105      printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
106      printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
107      printf("*** best to upgrade to the required version.\n");
108      printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
109      printf("*** to point to the correct copy of esd-config, and remove the file\n");
110      printf("*** config.cache before re-running configure\n");
111      return 1;
112    }
113}
114
115],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
116       CFLAGS="$ac_save_CFLAGS"
117       LIBS="$ac_save_LIBS"
118     fi
119  fi
120  if test "x$no_esd" = x ; then
121     AC_MSG_RESULT(yes)
122     ifelse([$2], , :, [$2])
123  else
124     AC_MSG_RESULT(no)
125     if test "$ESD_CONFIG" = "no" ; then
126       echo "*** The esd-config script installed by ESD could not be found"
127       echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
128       echo "*** your path, or set the ESD_CONFIG environment variable to the"
129       echo "*** full path to esd-config."
130     else
131       if test -f conf.esdtest ; then
132        :
133       else
134          echo "*** Could not run ESD test program, checking why..."
135          CFLAGS="$CFLAGS $ESD_CFLAGS"
136          LIBS="$LIBS $ESD_LIBS"
137          AC_TRY_LINK([
138#include <stdio.h>
139#include <esd.h>
140],      [ return 0; ],
141        [ echo "*** The test program compiled, but did not run. This usually means"
142          echo "*** that the run-time linker is not finding ESD or finding the wrong"
143          echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
144          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
145          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
146          echo "*** is required on your system"
147	  echo "***"
148          echo "*** If you have an old version installed, it is best to remove it, although"
149          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
150        [ echo "*** The test program failed to compile or link. See the file config.log for the"
151          echo "*** exact error that occured. This usually means ESD was incorrectly installed"
152          echo "*** or that you have moved ESD since it was installed. In the latter case, you"
153          echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
154          CFLAGS="$ac_save_CFLAGS"
155          LIBS="$ac_save_LIBS"
156       fi
157     fi
158     ESD_CFLAGS=""
159     ESD_LIBS=""
160     ifelse([$3], , :, [$3])
161  fi
162  AC_SUBST(ESD_CFLAGS)
163  AC_SUBST(ESD_LIBS)
164  rm -f conf.esdtest
165])
166