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 rootsbindir='${exec_prefix}/sbin'
  20 AC_SUBST(rootsbindir)
  21
  22 # Directories for documentation and demos.
  23 docdir='${prefix}/usr/share/doc/$(PACKAGE)'
  24 AC_SUBST(docdir)
  25 demodir='$(docdir)/demo'
  26 AC_SUBST(demodir)
  27 pkgexampledir='${prefix}/usr/lib/$(PACKAGE)/examples'
  28 AC_SUBST(pkgexampledir)
  29 pymoddir='${prefix}/usr/lib/${PACKAGE}/python/Lustre'
  30 AC_SUBST(pymoddir)
  31 # for substitution in lconf
  32 PYMOD_DIR="/usr/lib/$PACKAGE/python"
  33 AC_SUBST(PYMOD_DIR)
  34 modulenetdir='$(moduledir)/net/$(PACKAGE)'
  35 AC_SUBST(modulenetdir)
  36
  37
  38 # ----------  BAD gcc? ------------
  39 AC_PROG_RANLIB
  40 AC_PROG_CC
  41 AC_MSG_CHECKING([for buggy compiler])
  42 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
  43 bad_cc() {
  44         AC_MSG_RESULT([buggy compiler found!])
  45         echo
  46         echo "   '$CC_VERSION'"
  47         echo "  has been known to generate bad code, "
  48         echo "  please get an updated compiler."
  49         AC_MSG_ERROR([sorry])
  50 }
  51 TMP_VERSION=`echo $CC_VERSION | cut -c 1-16`
  52 if test "$TMP_VERSION" = "gcc version 2.95"; then
  53         bad_cc
  54 fi
  55 case "$CC_VERSION" in
  56         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
  57         # without "sub    $0xc,%esp" to protect the stack from being
  58         # stomped on by interrupts (bug 606)
  59         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
  60                 bad_cc
  61                 ;;
  62         # mandrake's similar sub 0xc compiler bug
  63         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
  64         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
  65                 bad_cc
  66                 ;;
  67         *)
  68                 AC_MSG_RESULT([no known problems])
  69                 ;;
  70 esac
  71 # end ------  BAD gcc? ------------
  72
  73 # --------  Check for required packages  --------------
  74
  75 # this doesn't seem to work on older autoconf
  76 # AC_CHECK_LIB(readline, readline,,)
  77 AC_MSG_CHECKING([for readline support])
  78 AC_ARG_ENABLE(readline,
  79         AC_HELP_STRING([--disable-readline],
  80                         [do not use readline library]),
  81         [],[enable_readline='yes'])
  82 AC_MSG_RESULT([$enable_readline])
  83 if test x$enable_readline = xyes ; then
  84         LIBREADLINE="-lreadline -lncurses"
  85         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
  86 else
  87         LIBREADLINE=""
  88 fi
  89 AC_SUBST(LIBREADLINE)
  90
  91 AC_MSG_CHECKING([if efence debugging support is requested])
  92 AC_ARG_ENABLE(efence,
  93         AC_HELP_STRING([--enable-efence],
  94                         [use efence library]),
  95         [],[enable_efence='no'])
  96 AC_MSG_RESULT([$enable_efence])
  97 if test "$enable_efence" = "yes" ; then
  98         LIBEFENCE="-lefence"
  99         AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
 100 else
 101         LIBEFENCE=""
 102 fi
 103 AC_SUBST(LIBEFENCE)