libjava/libart.m4

   1 # Configure paths for LIBART
   2 # Raph Levien 98-11-18
   3 # stolen from Manish Singh    98-9-30
   4 # stolen back from Frank Belew
   5 # stolen from Manish Singh
   6 # Shamelessly stolen from Owen Taylor
   7
   8 dnl AM_PATH_LIBART([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
   9 dnl Test for LIBART, and define LIBART_CFLAGS and LIBART_LIBS
  10 dnl
  11 AC_DEFUN(AM_PATH_LIBART,
  12 [dnl
  13 dnl Get the cflags and libraries from the libart-config script
  14 dnl
  15 AC_ARG_WITH(libart-prefix,[  --with-libart-prefix=PFX   Prefix where LIBART is installed (optional)],
  16             libart_prefix="$withval", libart_prefix="")
  17 AC_ARG_WITH(libart-exec-prefix,[  --with-libart-exec-prefix=PFX Exec prefix where LIBART is installed (optional)],
  18             libart_exec_prefix="$withval", libart_exec_prefix="")
  19 AC_ARG_ENABLE(libarttest, [  --disable-libarttest       Do not try to compile and run a test LIBART program],
  20                     , enable_libarttest=yes)
  21
  22   if test x$libart_exec_prefix != x ; then
  23      libart_args="$libart_args --exec-prefix=$libart_exec_prefix"
  24      if test x${LIBART_CONFIG+set} != xset ; then
  25         LIBART_CONFIG=$libart_exec_prefix/bin/libart-config
  26      fi
  27   fi
  28   if test x$libart_prefix != x ; then
  29      libart_args="$libart_args --prefix=$libart_prefix"
  30      if test x${LIBART_CONFIG+set} != xset ; then
  31         LIBART_CONFIG=$libart_prefix/bin/libart-config
  32      fi
  33   fi
  34
  35   AC_PATH_PROG(LIBART_CONFIG, libart2-config, no)
  36   if test "$LIBART_CONFIG" = "no" ; then
  37     AC_PATH_PROG(LIBART_CONFIG, libart-config, no)
  38   fi
  39   min_libart_version=ifelse([$1], ,0.2.5,$1)
  40   AC_MSG_CHECKING(for LIBART - version >= $min_libart_version)
  41   no_libart=""
  42   if test "$LIBART_CONFIG" = "no" ; then
  43     no_libart=yes
  44   else
  45     LIBART_CFLAGS=`$LIBART_CONFIG $libartconf_args --cflags`
  46     LIBART_LIBS=`$LIBART_CONFIG $libartconf_args --libs`
  47
  48     libart_major_version=`$LIBART_CONFIG $libart_args --version | \
  49            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  50     libart_minor_version=`$LIBART_CONFIG $libart_args --version | \
  51            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  52     libart_micro_version=`$LIBART_CONFIG $libart_config_args --version | \
  53            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  54     if test "x$enable_libarttest" = "xyes" ; then
  55       ac_save_CFLAGS="$CFLAGS"
  56       ac_save_LIBS="$LIBS"
  57       CFLAGS="$CFLAGS $LIBART_CFLAGS"
  58       LIBS="$LIBS $LIBART_LIBS"
  59 dnl
  60 dnl Now check if the installed LIBART is sufficiently new. (Also sanity
  61 dnl checks the results of libart-config to some extent
  62 dnl
  63       rm -f conf.libarttest
  64       AC_TRY_RUN([
  65 #include <stdio.h>
  66 #include <stdlib.h>
  67 #include <string.h>
  68 #include <libart_lgpl/libart.h>
  69
  70 char*
  71 my_strdup (char *str)
  72 {
  73   char *new_str;
  74
  75   if (str)
  76     {
  77       new_str = malloc ((strlen (str) + 1) * sizeof(char));
  78       strcpy (new_str, str);
  79     }
  80   else
  81     new_str = NULL;
  82
  83   return new_str;
  84 }
  85
  86 int main ()
  87 {
  88   int major, minor, micro;
  89   char *tmp_version;
  90
  91   system ("touch conf.libarttest");
  92
  93   /* HP/UX 9 (%@#!) writes to sscanf strings */
  94   tmp_version = my_strdup("$min_libart_version");
  95   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
  96      printf("%s, bad version string\n", "$min_libart_version");
  97      exit(1);
  98    }
  99
 100    if (($libart_major_version > major) ||
 101       (($libart_major_version == major) && ($libart_minor_version > minor)) ||
 102       (($libart_major_version == major) && ($libart_minor_version == minor) && ($libart_micro_version >= micro)))
 103     {
 104       return 0;
 105     }
 106   else
 107     {
 108       printf("\n*** 'libart-config --version' returned %d.%d.%d, but the minimum version\n", $libart_major_version, $libart_minor_version, $libart_micro_version);
 109       printf("*** of LIBART required is %d.%d.%d. If libart-config is correct, then it is\n", major, minor, micro);
 110       printf("*** best to upgrade to the required version.\n");
 111       printf("*** If libart-config was wrong, set the environment variable LIBART_CONFIG\n");
 112       printf("*** to point to the correct copy of libart-config, and remove the file\n");
 113       printf("*** config.cache before re-running configure\n");
 114       return 1;
 115     }
 116 }
 117
 118 ],, no_libart=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_libart" = x ; then
 124      AC_MSG_RESULT(yes)
 125      ifelse([$2], , :, [$2])
 126   else
 127      AC_MSG_RESULT(no)
 128      if test "$LIBART_CONFIG" = "no" ; then
 129        echo "*** The libart-config script installed by LIBART could not be found"
 130        echo "*** If LIBART was installed in PREFIX, make sure PREFIX/bin is in"
 131        echo "*** your path, or set the LIBART_CONFIG environment variable to the"
 132        echo "*** full path to libart-config."
 133      else
 134        if test -f conf.libarttest ; then
 135         :
 136        else
 137           echo "*** Could not run LIBART test program, checking why..."
 138           CFLAGS="$CFLAGS $LIBART_CFLAGS"
 139           LIBS="$LIBS $LIBART_LIBS"
 140           AC_TRY_LINK([
 141 #include <stdio.h>
 142 #include <libart_lgpl/libart.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 LIBART or finding the wrong"
 146           echo "*** version of LIBART. If it is not finding LIBART, 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 LIBART was incorrectly installed"
 155           echo "*** or that you have moved LIBART since it was installed. In the latter case, you"
 156           echo "*** may want to edit the libart-config script: $LIBART_CONFIG" ])
 157           CFLAGS="$ac_save_CFLAGS"
 158           LIBS="$ac_save_LIBS"
 159        fi
 160      fi
 161      LIBART_CFLAGS=""
 162      LIBART_LIBS=""
 163      ifelse([$3], , :, [$3])
 164   fi
 165   AC_SUBST(LIBART_CFLAGS)
 166   AC_SUBST(LIBART_LIBS)
 167   rm -f conf.libarttest
 168 ])