acinclude/esd.m4
author Sam Lantinga <slouken@libsdl.org>
Sun, 04 Oct 2009 20:31:21 +0000
branchSDL-1.2
changeset 4275 b73b5af69f48
permissions -rw-r--r--
Split acinclude.m4 into its constituent parts for easy upgrading
slouken@4275
     1
##############################################################################
slouken@4275
     2
#
slouken@4275
     3
# --- esd.m4 ---
slouken@4275
     4
#
slouken@4275
     5
# Configure paths for ESD
slouken@4275
     6
# Manish Singh    98-9-30
slouken@4275
     7
# stolen back from Frank Belew
slouken@4275
     8
# stolen from Manish Singh
slouken@4275
     9
# Shamelessly stolen from Owen Taylor
slouken@4275
    10
slouken@4275
    11
dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
slouken@4275
    12
dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS
slouken@4275
    13
dnl
slouken@4275
    14
AC_DEFUN([AM_PATH_ESD],
slouken@4275
    15
[dnl 
slouken@4275
    16
dnl Get the cflags and libraries from the esd-config script
slouken@4275
    17
dnl
slouken@4275
    18
AC_ARG_WITH(esd-prefix,[  --with-esd-prefix=PFX   Prefix where ESD is installed (optional)],
slouken@4275
    19
            esd_prefix="$withval", esd_prefix="")
slouken@4275
    20
AC_ARG_WITH(esd-exec-prefix,[  --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)],
slouken@4275
    21
            esd_exec_prefix="$withval", esd_exec_prefix="")
slouken@4275
    22
AC_ARG_ENABLE(esdtest, [  --disable-esdtest       Do not try to compile and run a test ESD program],
slouken@4275
    23
		    , enable_esdtest=yes)
slouken@4275
    24
slouken@4275
    25
  if test x$esd_exec_prefix != x ; then
slouken@4275
    26
     esd_args="$esd_args --exec-prefix=$esd_exec_prefix"
slouken@4275
    27
     if test x${ESD_CONFIG+set} != xset ; then
slouken@4275
    28
        ESD_CONFIG=$esd_exec_prefix/bin/esd-config
slouken@4275
    29
     fi
slouken@4275
    30
  fi
slouken@4275
    31
  if test x$esd_prefix != x ; then
slouken@4275
    32
     esd_args="$esd_args --prefix=$esd_prefix"
slouken@4275
    33
     if test x${ESD_CONFIG+set} != xset ; then
slouken@4275
    34
        ESD_CONFIG=$esd_prefix/bin/esd-config
slouken@4275
    35
     fi
slouken@4275
    36
  fi
slouken@4275
    37
slouken@4275
    38
  AC_PATH_PROG(ESD_CONFIG, esd-config, no)
slouken@4275
    39
  min_esd_version=ifelse([$1], ,0.2.7,$1)
slouken@4275
    40
  AC_MSG_CHECKING(for ESD - version >= $min_esd_version)
slouken@4275
    41
  no_esd=""
slouken@4275
    42
  if test "$ESD_CONFIG" = "no" ; then
slouken@4275
    43
    no_esd=yes
slouken@4275
    44
  else
slouken@4275
    45
    ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags`
slouken@4275
    46
    ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs`
slouken@4275
    47
slouken@4275
    48
    esd_major_version=`$ESD_CONFIG $esd_args --version | \
slouken@4275
    49
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
slouken@4275
    50
    esd_minor_version=`$ESD_CONFIG $esd_args --version | \
slouken@4275
    51
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
slouken@4275
    52
    esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \
slouken@4275
    53
           sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
slouken@4275
    54
    if test "x$enable_esdtest" = "xyes" ; then
slouken@4275
    55
      ac_save_CFLAGS="$CFLAGS"
slouken@4275
    56
      ac_save_LIBS="$LIBS"
slouken@4275
    57
      CFLAGS="$CFLAGS $ESD_CFLAGS"
slouken@4275
    58
      LIBS="$LIBS $ESD_LIBS"
slouken@4275
    59
dnl
slouken@4275
    60
dnl Now check if the installed ESD is sufficiently new. (Also sanity
slouken@4275
    61
dnl checks the results of esd-config to some extent
slouken@4275
    62
dnl
slouken@4275
    63
      rm -f conf.esdtest
slouken@4275
    64
      AC_TRY_RUN([
slouken@4275
    65
#include <stdio.h>
slouken@4275
    66
#include <stdlib.h>
slouken@4275
    67
#include <string.h>
slouken@4275
    68
#include <esd.h>
slouken@4275
    69
slouken@4275
    70
char*
slouken@4275
    71
my_strdup (char *str)
slouken@4275
    72
{
slouken@4275
    73
  char *new_str;
slouken@4275
    74
  
slouken@4275
    75
  if (str)
slouken@4275
    76
    {
slouken@4275
    77
      new_str = malloc ((strlen (str) + 1) * sizeof(char));
slouken@4275
    78
      strcpy (new_str, str);
slouken@4275
    79
    }
slouken@4275
    80
  else
slouken@4275
    81
    new_str = NULL;
slouken@4275
    82
  
slouken@4275
    83
  return new_str;
slouken@4275
    84
}
slouken@4275
    85
slouken@4275
    86
int main ()
slouken@4275
    87
{
slouken@4275
    88
  int major, minor, micro;
slouken@4275
    89
  char *tmp_version;
slouken@4275
    90
slouken@4275
    91
  system ("touch conf.esdtest");
slouken@4275
    92
slouken@4275
    93
  /* HP/UX 9 (%@#!) writes to sscanf strings */
slouken@4275
    94
  tmp_version = my_strdup("$min_esd_version");
slouken@4275
    95
  if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
slouken@4275
    96
     printf("%s, bad version string\n", "$min_esd_version");
slouken@4275
    97
     exit(1);
slouken@4275
    98
   }
slouken@4275
    99
slouken@4275
   100
   if (($esd_major_version > major) ||
slouken@4275
   101
      (($esd_major_version == major) && ($esd_minor_version > minor)) ||
slouken@4275
   102
      (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro)))
slouken@4275
   103
    {
slouken@4275
   104
      return 0;
slouken@4275
   105
    }
slouken@4275
   106
  else
slouken@4275
   107
    {
slouken@4275
   108
      printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version);
slouken@4275
   109
      printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro);
slouken@4275
   110
      printf("*** best to upgrade to the required version.\n");
slouken@4275
   111
      printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n");
slouken@4275
   112
      printf("*** to point to the correct copy of esd-config, and remove the file\n");
slouken@4275
   113
      printf("*** config.cache before re-running configure\n");
slouken@4275
   114
      return 1;
slouken@4275
   115
    }
slouken@4275
   116
}
slouken@4275
   117
slouken@4275
   118
],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
slouken@4275
   119
       CFLAGS="$ac_save_CFLAGS"
slouken@4275
   120
       LIBS="$ac_save_LIBS"
slouken@4275
   121
     fi
slouken@4275
   122
  fi
slouken@4275
   123
  if test "x$no_esd" = x ; then
slouken@4275
   124
     AC_MSG_RESULT(yes)
slouken@4275
   125
     ifelse([$2], , :, [$2])     
slouken@4275
   126
  else
slouken@4275
   127
     AC_MSG_RESULT(no)
slouken@4275
   128
     if test "$ESD_CONFIG" = "no" ; then
slouken@4275
   129
       echo "*** The esd-config script installed by ESD could not be found"
slouken@4275
   130
       echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in"
slouken@4275
   131
       echo "*** your path, or set the ESD_CONFIG environment variable to the"
slouken@4275
   132
       echo "*** full path to esd-config."
slouken@4275
   133
     else
slouken@4275
   134
       if test -f conf.esdtest ; then
slouken@4275
   135
        :
slouken@4275
   136
       else
slouken@4275
   137
          echo "*** Could not run ESD test program, checking why..."
slouken@4275
   138
          CFLAGS="$CFLAGS $ESD_CFLAGS"
slouken@4275
   139
          LIBS="$LIBS $ESD_LIBS"
slouken@4275
   140
          AC_TRY_LINK([
slouken@4275
   141
#include <stdio.h>
slouken@4275
   142
#include <esd.h>
slouken@4275
   143
],      [ return 0; ],
slouken@4275
   144
        [ echo "*** The test program compiled, but did not run. This usually means"
slouken@4275
   145
          echo "*** that the run-time linker is not finding ESD or finding the wrong"
slouken@4275
   146
          echo "*** version of ESD. If it is not finding ESD, you'll need to set your"
slouken@4275
   147
          echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
slouken@4275
   148
          echo "*** to the installed location  Also, make sure you have run ldconfig if that"
slouken@4275
   149
          echo "*** is required on your system"
slouken@4275
   150
	  echo "***"
slouken@4275
   151
          echo "*** If you have an old version installed, it is best to remove it, although"
slouken@4275
   152
          echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
slouken@4275
   153
        [ echo "*** The test program failed to compile or link. See the file config.log for the"
slouken@4275
   154
          echo "*** exact error that occured. This usually means ESD was incorrectly installed"
slouken@4275
   155
          echo "*** or that you have moved ESD since it was installed. In the latter case, you"
slouken@4275
   156
          echo "*** may want to edit the esd-config script: $ESD_CONFIG" ])
slouken@4275
   157
          CFLAGS="$ac_save_CFLAGS"
slouken@4275
   158
          LIBS="$ac_save_LIBS"
slouken@4275
   159
       fi
slouken@4275
   160
     fi
slouken@4275
   161
     ESD_CFLAGS=""
slouken@4275
   162
     ESD_LIBS=""
slouken@4275
   163
     ifelse([$3], , :, [$3])
slouken@4275
   164
  fi
slouken@4275
   165
  AC_SUBST(ESD_CFLAGS)
slouken@4275
   166
  AC_SUBST(ESD_LIBS)
slouken@4275
   167
  rm -f conf.esdtest
slouken@4275
   168
])