summaryrefslogtreecommitdiff
path: root/libIDL.m4.in
blob: fdd9baeb971a921f9fead4c05be384da9a529eb3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
# Configure paths for LIBIDL

dnl AM_PATH_LIBIDL([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND [, MODULES]]]])
dnl Test for LIBIDL, and define LIBIDL_CFLAGS and LIBIDL_LIBS
dnl
AC_DEFUN([AM_PATH_LIBIDL],
[dnl 
dnl Get the cflags and libraries from the libIDL-config script
dnl
AC_ARG_WITH(libIDL-prefix,[  --with-libIDL-prefix=PFX   Prefix where libIDL is installed (optional)],
            libIDL_config_prefix="$withval", libIDL_config_prefix="")
AC_ARG_WITH(libIDL-exec-prefix,[  --with-libIDL-exec-prefix=PFX Exec prefix where libIDL is installed (optional)],
            libIDL_config_exec_prefix="$withval", libIDL_config_exec_prefix="")
AC_ARG_ENABLE(libIDLtest, [  --disable-libIDLtest       Do not try to compile and run a test libIDL program],
		    , enable_libIDLtest=yes)

  if test x$libIDL_config_exec_prefix != x ; then
     libIDL_config_args="$libIDL_config_args --exec-prefix=$libIDL_config_exec_prefix"
     if test x${LIBIDL_CONFIG+set} != xset ; then
        LIBIDL_CONFIG=$libIDL_config_exec_prefix/bin/libIDL-config
     fi
  fi
  if test x$libIDL_config_prefix != x ; then
     libIDL_config_args="$libIDL_config_args --prefix=$libIDL_config_prefix"
     if test x${LIBIDL_CONFIG+set} != xset ; then
        LIBIDL_CONFIG=$libIDL_config_prefix/bin/libIDL-config
     fi
  fi

dnl AM_PATH_GLIB(@GLIB_VERSION_REQUIRED@)
  AM_PATH_GLIB_2_0(@GLIB_VERSION_REQUIRED@)

  AC_PATH_PROG(LIBIDL_CONFIG, libIDL-config, no)
  min_libIDL_version=ifelse([$1], ,0.6.0,$1)
  AC_MSG_CHECKING(for libIDL - version >= $min_libIDL_version)
  no_libIDL=""
  if test "$LIBIDL_CONFIG" = "no" ; then
    no_libIDL=yes
  else
    LIBIDL_CFLAGS=`$LIBIDL_CONFIG $libIDL_config_args --cflags`
    LIBIDL_LIBS=`$LIBIDL_CONFIG $libIDL_config_args --libs`
    libIDL_config_major_version=`$LIBIDL_CONFIG $libIDL_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    libIDL_config_minor_version=`$LIBIDL_CONFIG $libIDL_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    libIDL_config_micro_version=`$LIBIDL_CONFIG $libIDL_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test "x$enable_libIDLtest" = "xyes" ; then
      ac_save_CFLAGS="$CFLAGS"
      ac_save_LIBS="$LIBS"
      CFLAGS="$CFLAGS $LIBIDL_CFLAGS"
      LIBS="$LIBIDL_LIBS $LIBS"
dnl
dnl Now check if the installed LIBIDL is sufficiently new.
dnl
      rm -f conf.libIDLtest
      AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <libIDL/IDL.h>

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

  system ("touch conf.libIDLtest");

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

  if ((libIDL_major_version != $libIDL_config_major_version) ||
      (libIDL_minor_version != $libIDL_config_minor_version) ||
      (libIDL_micro_version != $libIDL_config_micro_version))
    {
      printf("\n*** 'libIDL-config --version' returned %d.%d.%d, but libIDL (%d.%d.%d)\n", 
             $libIDL_config_major_version, $libIDL_config_minor_version, $libIDL_config_micro_version,
             libIDL_major_version, libIDL_minor_version, libIDL_micro_version);
      printf ("*** was found! If libIDL-config was correct, then it is best\n");
      printf ("*** to remove the old version of LIBIDL. You may also be able to fix the error\n");
      printf("*** by modifying your LD_LIBRARY_PATH enviroment variable, or by editing\n");
      printf("*** /etc/ld.so.conf. Make sure you have run ldconfig if that is\n");
      printf("*** required on your system.\n");
      printf("*** If libIDL-config was wrong, set the environment variable LIBIDL_CONFIG\n");
      printf("*** to point to the correct copy of libIDL-config, and remove the file config.cache\n");
      printf("*** before re-running configure\n");
    } 
  else if ((libIDL_major_version != LIBIDL_MAJOR_VERSION) ||
	   (libIDL_minor_version != LIBIDL_MINOR_VERSION) ||
           (libIDL_micro_version != LIBIDL_MICRO_VERSION))
    {
      printf("\n*** libIDL header files (version %d.%d.%d) do not match\n",
	     LIBIDL_MAJOR_VERSION, LIBIDL_MINOR_VERSION, LIBIDL_MICRO_VERSION);
      printf("*** library (version %d.%d.%d)\n",
	     libIDL_major_version, libIDL_minor_version, libIDL_micro_version);
    }
  else
    {
      if ((libIDL_major_version > major) ||
        ((libIDL_major_version == major) && (libIDL_minor_version > minor)) ||
        ((libIDL_major_version == major) && (libIDL_minor_version == minor) && (libIDL_micro_version >= micro)))
      {
        return 0;
       }
     else
      {
        printf("\n*** An old version of libIDL (%d.%d.%d) was found.\n",
               libIDL_major_version, libIDL_minor_version, libIDL_micro_version);
        printf("*** You need at least libIDL version %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 libIDL-config shell script is\n");
        printf("*** being found. The easiest way to fix this is to remove the old version\n");
        printf("*** of libIDL, but you can also set the LIBIDL_CONFIG environment to point to the\n");
        printf("*** correct copy of libIDL-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_libIDL=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       CFLAGS="$ac_save_CFLAGS"
       LIBS="$ac_save_LIBS"
     fi
  fi
  if test "x$no_libIDL" = x ; then
     AC_MSG_RESULT(yes)
     ifelse([$2], , :, [$2])     
  else
     AC_MSG_RESULT(no)
     if test "$LIBIDL_CONFIG" = "no" ; then
       echo "*** The libIDL-config script installed by libIDL could not be found"
       echo "*** If libIDL was installed in PREFIX, make sure PREFIX/bin is in"
       echo "*** your path, or set the LIBIDL_CONFIG environment variable to the"
       echo "*** full path to libIDL-config."
     else
       if test -f conf.libIDLtest ; then
        :
       else
          echo "*** Could not run libIDL test program, checking why..."
          CFLAGS="$CFLAGS $LIBIDL_CFLAGS"
          LIBS="$LIBS $LIBIDL_LIBS"
          AC_TRY_LINK([
#include <stdio.h>
#include <stdlib.h>
#include <libIDL/IDL.h>
],      [ return IDL_get_libver_string ? 1 : 0; ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding libIDL or finding the wrong"
          echo "*** version of LIBIDL. If it is not finding libIDL, you'll need to set your"
          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
          echo "*** is required on your system"
	  echo "***"
          echo "*** If you have an old version installed, it is best to remove it, although"
          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH" ],
        [ echo "*** The test program failed to compile or link. See the file config.log for the"
          echo "*** exact error that occured. This usually means libIDL was incorrectly installed"
          echo "*** or that you have moved libIDL since it was installed. In the latter case, you"
          echo "*** may want to edit the libIDL-config script: $LIBIDL_CONFIG" ])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
       fi
     fi
     LIBIDL_CFLAGS=""
     LIBIDL_LIBS=""
     ifelse([$3], , :, [$3])
  fi
  AC_SUBST(LIBIDL_CFLAGS)
  AC_SUBST(LIBIDL_LIBS)
  rm -f conf.libIDLtest
])