acinclude/esd.m4
changeset 3342 3da232c5980a
equal deleted inserted replaced
3341:710139a1692d 3342:3da232c5980a
       
     1 ##############################################################################
       
     2 #
       
     3 # --- esd.m4 ---
       
     4 #
       
     5 # Configure paths for ESD
       
     6 # Manish Singh    98-9-30
       
     7 # stolen back from Frank Belew
       
     8 # stolen from Manish Singh
       
     9 # Shamelessly stolen from Owen Taylor
       
    10 
       
    11 dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
       
    12 dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
       
    13 dnl
       
    14 AC_DEFUN([AM_PATH_ESD],
       
    15 [dnl 
       
    16 dnl Get the cflags and libraries from the esd-config script
       
    17 dnl
       
    18 AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],
       
    19             esd_prefix="$withval", esd_prefix="")
       
    20 AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
       
    21             esd_exec_prefix="$withval", esd_exec_prefix="")
       
    22 AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],
       
    23 		    , enable_esdtest=yes)
       
    24 
       
    25   if test x$esd_exec_prefix != x ; then
       
    26      esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
       
    27      if test x${ESD_CONFIG+set} != xset ; then
       
    28         ESD_CONFIG=$esd_exec_prefix/bin/esd-config
       
    29      fi
       
    30   fi
       
    31   if test x$esd_prefix != x ; then
       
    32      esd_args="$esd_args --prefix=$esd_prefix"
       
    33      if test x${ESD_CONFIG+set} != xset ; then
       
    34         ESD_CONFIG=$esd_prefix/bin/esd-config
       
    35      fi
       
    36   fi
       
    37 
       
    38   AC_PATH_PROG(ESD_CONFIG, esd-config, no)
       
    39   min_esd_version=ifelse([$1], ,0.2.7,$1)
       
    40   AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
       
    41   no_esd=""
       
    42   if test "$ESD_CONFIG" = "no" ; then
       
    43     no_esd=yes
       
    44   else
       
    45     ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
       
    46     ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
       
    47 
       
    48     esd_major_version=`$ESD_CONFIG $esd_args --version | \
       
    49            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
       
    50     esd_minor_version=`$ESD_CONFIG $esd_args --version | \
       
    51            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
       
    52     esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
       
    53            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
       
    54     if test "x$enable_esdtest" = "xyes" ; then
       
    55       ac_save_CFLAGS="$CFLAGS"
       
    56       ac_save_LIBS="$LIBS"
       
    57       CFLAGS="$CFLAGS $ESD_CFLAGS"
       
    58       LIBS="$LIBS $ESD_LIBS"
       
    59 dnl
       
    60 dnl Now check if the installed ESD is sufficiently new. (Also sanity
       
    61 dnl checks the results of esd-config to some extent
       
    62 dnl
       
    63       rm -f conf.esdtest
       
    64       AC_TRY_RUN([
       
    65 #include <stdio.h>
       
    66 #include <stdlib.h>
       
    67 #include <string.h>
       
    68 #include <esd.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.esdtest");
       
    92 
       
    93   /* HP/UX 9 (%@#!) writes to sscanf strings */
       
    94   tmp_version = my_strdup("$min_esd_version");
       
    95   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
       
    96      printf("%s, bad version string\n", "$min_esd_version");
       
    97      exit(1);
       
    98    }
       
    99 
       
   100    if (($esd_major_version > major) ||
       
   101       (($esd_major_version == major) && ($esd_minor_version > minor)) ||
       
   102       (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
       
   103     {
       
   104       return 0;
       
   105     }
       
   106   else
       
   107     {
       
   108       printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
       
   109       printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
       
   110       printf("*** best to upgrade to the required version.\n");
       
   111       printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
       
   112       printf("*** to point to the correct copy of esd-config, and remove the file\n");
       
   113       printf("*** config.cache before re-running configure\n");
       
   114       return 1;
       
   115     }
       
   116 }
       
   117 
       
   118 ],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
       
   119        CFLAGS="$ac_save_CFLAGS"
       
   120        LIBS="$ac_save_LIBS"
       
   121      fi
       
   122   fi
       
   123   if test "x$no_esd" = x ; then
       
   124      AC_MSG_RESULT(yes)
       
   125      ifelse([$2], , :, [$2])     
       
   126   else
       
   127      AC_MSG_RESULT(no)
       
   128      if test "$ESD_CONFIG" = "no" ; then
       
   129        echo "*** The esd-config script installed by ESD could not be found"
       
   130        echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
       
   131        echo "*** your path, or set the ESD_CONFIG environment variable to the"
       
   132        echo "*** full path to esd-config."
       
   133      else
       
   134        if test -f conf.esdtest ; then
       
   135         :
       
   136        else
       
   137           echo "*** Could not run ESD test program, checking why..."
       
   138           CFLAGS="$CFLAGS $ESD_CFLAGS"
       
   139           LIBS="$LIBS $ESD_LIBS"
       
   140           AC_TRY_LINK([
       
   141 #include <stdio.h>
       
   142 #include <esd.h>
       
   143 ],      [ return 0; ],
       
   144         [ echo "*** The test program compiled, but did not run. This usually means"
       
   145           echo "*** that the run-time linker is not finding ESD or finding the wrong"
       
   146           echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
       
   147           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
       
   148           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
       
   149           echo "*** is required on your system"
       
   150 	  echo "***"
       
   151           echo "*** If you have an old version installed, it is best to remove it, although"
       
   152           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
       
   153         [ echo "*** The test program failed to compile or link. See the file config.log for the"
       
   154           echo "*** exact error that occured. This usually means ESD was incorrectly installed"
       
   155           echo "*** or that you have moved ESD since it was installed. In the latter case, you"
       
   156           echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
       
   157           CFLAGS="$ac_save_CFLAGS"
       
   158           LIBS="$ac_save_LIBS"
       
   159        fi
       
   160      fi
       
   161      ESD_CFLAGS=""
       
   162      ESD_LIBS=""
       
   163      ifelse([$3], , :, [$3])
       
   164   fi
       
   165   AC_SUBST(ESD_CFLAGS)
       
   166   AC_SUBST(ESD_LIBS)
       
   167   rm -f conf.esdtest
       
   168 ])