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, libart-config, no)
  36   min_libart_version=ifelse([$1], ,0.2.5,$1)
  37   AC_MSG_CHECKING(for LIBART - version >= $min_libart_version)
  38   no_libart=""
  39   if test "$LIBART_CONFIG" = "no" ; then
  40     no_libart=yes
  41   else
  42     LIBART_CFLAGS=`$LIBART_CONFIG $libartconf_args --cflags`
  43     LIBART_LIBS=`$LIBART_CONFIG $libartconf_args --libs`
  44
  45     libart_major_version=`$LIBART_CONFIG $libart_args --version | \
  46            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'`
  47     libart_minor_version=`$LIBART_CONFIG $libart_args --version | \
  48            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'`
  49     libart_micro_version=`$LIBART_CONFIG $libart_config_args --version | \
  50            sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'`
  51     if test "x$enable_libarttest" = "xyes" ; then
  52       ac_save_CFLAGS="$CFLAGS"
  53       ac_save_LIBS="$LIBS"
  54       CFLAGS="$CFLAGS $LIBART_CFLAGS"
  55       LIBS="$LIBS $LIBART_LIBS"
  56 dnl
  57 dnl Now check if the installed LIBART is sufficiently new. (Also sanity
  58 dnl checks the results of libart-config to some extent
  59 dnl
  60       rm -f conf.libarttest
  61       AC_TRY_RUN([
  62 #include <stdio.h>
  63 #include <stdlib.h>
  64 #include <string.h>
  65 #include <libart_lgpl/libart.h>
  66
  67 char*
  68 my_strdup (char *str)
  69 {
  70   char *new_str;
  71
  72   if (str)
  73     {
  74       new_str = malloc ((strlen (str) + 1) * sizeof(char));
  75       strcpy (new_str, str);
  76     }
  77   else
  78     new_str = NULL;
  79
  80   return new_str;
  81 }
  82
  83 int main ()
  84 {
  85   int major, minor, micro;
  86   char *tmp_version;
  87
  88   system ("touch conf.libarttest");
  89
  90   /* HP/UX 9 (%@#!) writes to sscanf strings */
  91   tmp_version = my_strdup("$min_libart_version");
  92   if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
  93      printf("%s, bad version string\n", "$min_libart_version");
  94      exit(1);
  95    }
  96
  97    if (($libart_major_version > major) ||
  98       (($libart_major_version == major) && ($libart_minor_version > minor)) ||
  99       (($libart_major_version == major) && ($libart_minor_version == minor) && ($libart_micro_version >= micro)))
 100     {
 101       return 0;
 102     }
 103   else
 104     {
 105       printf("\n*** 'libart-config --version' returned %d.%d.%d, but the minimum version\n", $libart_major_version, $libart_minor_version, $libart_micro_version);
 106       printf("*** of LIBART required is %d.%d.%d. If libart-config is correct, then it is\n", major, minor, micro);
 107       printf("*** best to upgrade to the required version.\n");
 108       printf("*** If libart-config was wrong, set the environment variable LIBART_CONFIG\n");
 109       printf("*** to point to the correct copy of libart-config, and remove the file\n");
 110       printf("*** config.cache before re-running configure\n");
 111       return 1;
 112     }
 113 }
 114
 115 ],, no_libart=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"])
 116        CFLAGS="$ac_save_CFLAGS"
 117        LIBS="$ac_save_LIBS"
 118      fi
 119   fi
 120   if test "x$no_libart" = x ; then
 121      AC_MSG_RESULT(yes)
 122      ifelse([$2], , :, [$2])
 123   else
 124      AC_MSG_RESULT(no)
 125      if test "$LIBART_CONFIG" = "no" ; then
 126        echo "*** The libart-config script installed by LIBART could not be found"
 127        echo "*** If LIBART was installed in PREFIX, make sure PREFIX/bin is in"
 128        echo "*** your path, or set the LIBART_CONFIG environment variable to the"
 129        echo "*** full path to libart-config."
 130      else
 131        if test -f conf.libarttest ; then
 132         :
 133        else
 134           echo "*** Could not run LIBART test program, checking why..."
 135           CFLAGS="$CFLAGS $LIBART_CFLAGS"
 136           LIBS="$LIBS $LIBART_LIBS"
 137           AC_TRY_LINK([
 138 #include <stdio.h>
 139 #include <libart_lgpl/libart.h>
 140 ],      [ return 0; ],
 141         [ echo "*** The test program compiled, but did not run. This usually means"
 142           echo "*** that the run-time linker is not finding LIBART or finding the wrong"
 143           echo "*** version of LIBART. If it is not finding LIBART, you'll need to set your"
 144           echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point"
 145           echo "*** to the installed location  Also, make sure you have run ldconfig if that"
 146           echo "*** is required on your system"
 147           echo "***"
 148           echo "*** If you have an old version installed, it is best to remove it, although"
 149           echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"],
 150         [ echo "*** The test program failed to compile or link. See the file config.log for the"
 151           echo "*** exact error that occured. This usually means LIBART was incorrectly installed"
 152           echo "*** or that you have moved LIBART since it was installed. In the latter case, you"
 153           echo "*** may want to edit the libart-config script: $LIBART_CONFIG" ])
 154           CFLAGS="$ac_save_CFLAGS"
 155           LIBS="$ac_save_LIBS"
 156        fi
 157      fi
 158      LIBART_CFLAGS=""
 159      LIBART_LIBS=""
 160      ifelse([$3], , :, [$3])
 161   fi
 162   AC_SUBST(LIBART_CFLAGS)
 163   AC_SUBST(LIBART_LIBS)
 164   rm -f conf.libarttest
 165 ])