lnet/build.m4

   1 # ----------  other tests and settings ---------
   2
   3
   4 # ---------  unsigned long long sane? -------
   5
   6 AC_CHECK_SIZEOF(unsigned long long, 0)
   7 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
   8 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
   9 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
  10         AC_MSG_ERROR([** we assume that sizeof(long long) == 8.  Tell phil@clusterfs.com])
  11 fi
  12
  13 # directories for binaries
  14 ac_default_prefix=
  15 bindir='${exec_prefix}/usr/bin'
  16 sbindir='${exec_prefix}/usr/sbin'
  17 includedir='${prefix}/usr/include'
  18
  19 # Directories for documentation and demos.
  20 docdir='${prefix}/usr/share/doc/$(PACKAGE)'
  21 AC_SUBST(docdir)
  22 demodir='$(docdir)/demo'
  23 AC_SUBST(demodir)
  24 pkgexampledir='${prefix}/usr/lib/$(PACKAGE)/examples'
  25 AC_SUBST(pkgexampledir)
  26 pymoddir='${prefix}/usr/lib/${PACKAGE}/python/Lustre'
  27 AC_SUBST(pymoddir)
  28 modulenetdir='$(moduledir)/net/$(PACKAGE)'
  29 AC_SUBST(modulenetdir)
  30
  31
  32 # ----------  BAD gcc? ------------
  33 AC_PROG_RANLIB
  34 AC_PROG_CC
  35 AC_MSG_CHECKING(for buggy compiler)
  36 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
  37 bad_cc() {
  38         echo
  39         echo "   '$CC_VERSION'"
  40         echo "  has been known to generate bad code, "
  41         echo "  please get an updated compiler."
  42         AC_MSG_ERROR(sorry)
  43 }
  44 TMP_VERSION=`echo $CC_VERSION | cut -c 1-16`
  45 if test "$TMP_VERSION" = "gcc version 2.95"; then
  46         bad_cc
  47 fi
  48 case "$CC_VERSION" in
  49         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
  50         # without "sub    $0xc,%esp" to protect the stack from being
  51         # stomped on by interrupts (bug 606)
  52         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
  53                 bad_cc
  54                 ;;
  55         # mandrake's similar sub 0xc compiler bug
  56         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
  57         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
  58                 bad_cc
  59                 ;;
  60         *)
  61                 AC_MSG_RESULT(no known problems)
  62                 ;;
  63 esac
  64 # end ------  BAD gcc? ------------
  65
  66 # --------  Check for required packages  --------------
  67
  68 # this doesn't seem to work on older autoconf
  69 # AC_CHECK_LIB(readline, readline,,)
  70 AC_ARG_ENABLE(readline, [  --enable-readline  use readline library],,
  71                         enable_readline="yes")
  72
  73 if test "$enable_readline" = "yes" ; then
  74    LIBREADLINE="-lreadline -lncurses"
  75    HAVE_LIBREADLINE="-DHAVE_LIBREADLINE=1"
  76 else
  77    LIBREADLINE=""
  78    HAVE_LIBREADLINE=""
  79 fi
  80 AC_SUBST(LIBREADLINE)
  81 AC_SUBST(HAVE_LIBREADLINE)
  82
  83 AC_ARG_ENABLE(efence,  [  --enable-efence  use efence library],,
  84                         enable_efence="no")
  85
  86 if test "$enable_efence" = "yes" ; then
  87    LIBEFENCE="-lefence"
  88    HAVE_LIBEFENCE="-DHAVE_LIBEFENCE=1"
  89 else
  90    LIBEFENCE=""
  91    HAVE_LIBEFENCE=""
  92 fi
  93 AC_SUBST(LIBEFENCE)
  94 AC_SUBST(HAVE_LIBEFENCE)
  95