summaryrefslogtreecommitdiff
path: root/m4/as-arts.m4
blob: 2d628199e201530cc0bbc13f1bd9146598595ada (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
191
192
193
194
# This is an example arts .m4 adapted and scrubbed by thomasvs

# Configure paths for ARTS
# Philip Stadermann   2001-06-21
# stolen from esd.m4

dnl AM_PATH_ARTS([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for ARTS, and define ARTS_CXXFLAGS and ARTS_LIBS
dnl
AC_DEFUN([AM_PATH_ARTS],
[dnl 
dnl Get the cflags and libraries from the artsc-config script
dnl
AC_ARG_WITH(arts-prefix,[  --with-arts-prefix=PFX  Prefix where ARTS is installed (optional)],
            arts_prefix="$withval", arts_prefix="")
AC_ARG_WITH(arts-exec-prefix,[  --with-arts-exec-prefix=PFX                                                                             Exec prefix where ARTS is installed (optional)],
            arts_exec_prefix="$withval", arts_exec_prefix="")
AC_ARG_ENABLE(artstest, [  --disable-artstest      Do not try to compile and run a test ARTS program],
		    , enable_artstest=yes)

  if test x$arts_exec_prefix != x ; then
    arts_args="$arts_args --exec-prefix=$arts_exec_prefix"
    if test x${ARTS_CONFIG+set} != xset ; then
      ARTS_CONFIG=$arts_exec_prefix/bin/artsc-config
    fi
  fi
  if test x$arts_prefix != x ; then
    arts_args="$arts_args --prefix=$arts_prefix"
    if test x${ARTS_CONFIG+set} != xset ; then
      ARTS_CONFIG=$arts_prefix/bin/artsc-config
    fi
  fi

  AC_PATH_PROG(ARTS_CONFIG, artsc-config, no)
  min_arts_version=ifelse([$1], ,0.9.5,$1)
  AC_MSG_CHECKING(for ARTS artsc - version >= $min_arts_version)
  no_arts=""
  if test "$ARTS_CONFIG" = "no" ; then
    no_arts=yes
  else
    # FIXME : thomas added this sed to get arts path instead of artsc
    ARTS_CXXFLAGS=`$ARTS_CONFIG $artsconf_args --cflags | sed 's/artsc$/arts/'`
    ARTS_LIBS=`$ARTS_CONFIG $artsconf_args --libs | sed 's/artsc$/arts/'`

    arts_major_version=`$ARTS_CONFIG $arts_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
    arts_minor_version=`$ARTS_CONFIG $arts_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
    arts_micro_version=`$ARTS_CONFIG $arts_config_args --version | \
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
    if test "x$enable_artstest" = "xyes" ; then
      dnl ac_save_CXXFLAGS="$CXXFLAGS"
      dnl ac_save_LIBS="$LIBS"
      dnl CFLAGS="$CFLAGS $ARTS_CXXFLAGS"
      dnl LIBS="$LIBS $ARTS_LIBS"
dnl
dnl Now check if the installed ARTS is sufficiently new. (Also sanity
dnl checks the results of artsc-config to some extent)
dnl

dnl a*s: to successfully compile the C++ test app, we need to 
dnl first make sure we're going to compile it as C++ (with AC_LANG_PUSH),
dnl then add the CFLAGS and CLIBS of arts which we just discovered to the
dnl C++ compilation and linking flags.
dnl We also need to clean up after the test; this means using AC_LANG_POP
dnl and restoring the CPPFLAGS and LDFLAGS from the saved values we take 
dnl here.

dnl ask nicely for C++ compilation
      AC_LANG_PUSH(C++)

dnl save compilation and link flags and make our own
      ac_save_CPPFLAGS="$CPPFLAGS"
      ac_save_LDFLAGS="$LDFLAGS"
      AC_SUBST(CPPFLAGS,"$CPPFLAGS $ARTS_CXXFLAGS")
      AC_SUBST(LDFLAGS,"$LDFLAGS $ARTS_CLIBS")
 
      rm -f conf.artstest
      AC_TRY_RUN([
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <artsflow.h>

char*
my_strdup (char *str)
{
  char *new_str;
  
  if (str)
    {
      // thomas: the original test did not have the typecast
      new_str = (char *) 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.artstest");

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

   if (($arts_major_version > major) ||
      (($arts_major_version == major) && ($arts_minor_version > minor)) ||
      (($arts_major_version == major) && ($arts_minor_version == minor) && ($arts_micro_version >= micro)))
    {
      return 0;
    }
  else
    {
      printf("\n*** 'artsc-config --version' returned %d.%d.%d, but the minimum version\n", $arts_major_version, $arts_minor_version, $arts_micro_version);
      printf("*** of ARTS required is %d.%d.%d. If artsc-config is correct, then it is\n", major, minor, micro);
      printf("*** best to upgrade to the required version.\n");
      printf("*** If artsc-config was wrong, set the environment variable ARTS_CONFIG\n");
      printf("*** to point to the correct copy of artsc-config, and remove the file\n");
      printf("*** config.cache before re-running configure\n");
      return 1;
    }
}

],, no_arts=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
      dnl CFLAGS="$ac_save_CFLAGS"
      dnl LIBS="$ac_save_LIBS"
      dnl a*s this is were we clean up after the test
      AC_LANG_POP(C++)
      CXXFLAGS="$ac_save_CXXFLAGS"
      LDFLAGS="$ac_save_LDFLAGS"
      dnl a*s we are sure that these are right, so we make them active
      AC_SUBST(CXXFLAGS,"$CXXFLAGS")
      AC_SUBST(LDFLAGS,"$LDFLAGS")
    fi
  fi
  if test "x$no_arts" = x ; then
    AC_MSG_RESULT(yes)
    ifelse([$2], , :, [$2])     
  else
    AC_MSG_RESULT(no)
    if test "$ARTS_CONFIG" = "no" ; then
      echo "*** The artsc-config script installed by ARTS could not be found"
      echo "*** If ARTS was installed in PREFIX, make sure PREFIX/bin is in"
      echo "*** your path, or set the ARTS_CONFIG environment variable to the"
      echo "*** full path to artsc-config."
    else
      if test -f conf.artstest ; then
        :
      else
         echo "*** Could not run ARTS test program, checking why..."
         CFLAGS="$CFLAGS $ARTS_CXXFLAGS"
         LIBS="$LIBS $ARTS_LIBS"
         AC_TRY_LINK([
#include <stdio.h>
#include <artsflow.h>
],      [ return 0; ],
        [ echo "*** The test program compiled, but did not run. This usually means"
          echo "*** that the run-time linker is not finding ARTS or finding the wrong"
          echo "*** version of ARTS. If it is not finding ARTS, 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 ARTS was incorrectly installed"
          echo "*** or that you have moved ARTS since it was installed. In the latter case, you"
          echo "*** may want to edit the artsc-config script: $ARTS_CONFIG" ])
          CFLAGS="$ac_save_CFLAGS"
          LIBS="$ac_save_LIBS"
      fi
    fi
    ARTS_CXXFLAGS=""
    ARTS_LIBS=""
    ifelse([$3], , :, [$3])
  fi
  AC_SUBST(ARTS_CXXFLAGS)
  AC_SUBST(ARTS_LIBS)
  rm -f conf.artstest
])

dnl release C++ question