lnet/build.m4

   1 # ----------  other tests and settings ---------
   2
   3 AC_CHECK_TYPE([spinlock_t],
   4         [AC_DEFINE(HAVE_SPINLOCK_T, 1, [spinlock_t is defined])],
   5         [],
   6         [#include <linux/spinlock.h>])
   7
   8 # ---------  unsigned long long sane? -------
   9
  10 AC_CHECK_SIZEOF(unsigned long long, 0)
  11 echo "---> size SIZEOF $SIZEOF_unsigned_long_long"
  12 echo "---> size SIZEOF $ac_cv_sizeof_unsigned_long_long"
  13 if test $ac_cv_sizeof_unsigned_long_long != 8 ; then
  14         AC_MSG_ERROR([** we assume that sizeof(long long) == 8.  Tell phil@clusterfs.com])
  15 fi
  16
  17 # directories for binaries
  18 ac_default_prefix=/usr
  19
  20 # mount.lustre
  21 rootsbindir='/sbin'
  22 AC_SUBST(rootsbindir)
  23 sysconfdir='/etc'
  24 AC_SUBST(sysconfdir)
  25 # Directories for documentation and demos.
  26 docdir='${datadir}/doc/$(PACKAGE)'
  27 AC_SUBST(docdir)
  28 demodir='$(docdir)/demo'
  29 AC_SUBST(demodir)
  30 pkgexampledir='${pkgdatadir}/examples'
  31 AC_SUBST(pkgexampledir)
  32 pymoddir='${pkglibdir}/python/Lustre'
  33 AC_SUBST(pymoddir)
  34
  35 # ----------  BAD gcc? ------------
  36 AC_PROG_RANLIB
  37 AC_PROG_CC
  38 AC_MSG_CHECKING([for buggy compiler])
  39 CC_VERSION=`$CC -v 2>&1 | grep "^gcc version"`
  40 bad_cc() {
  41         AC_MSG_RESULT([buggy compiler found!])
  42         echo
  43         echo "   '$CC_VERSION'"
  44         echo "  has been known to generate bad code, "
  45         echo "  please get an updated compiler."
  46         AC_MSG_ERROR([sorry])
  47 }
  48 TMP_VERSION=`echo $CC_VERSION | cut -c 1-16`
  49 if test "$TMP_VERSION" = "gcc version 2.95"; then
  50         bad_cc
  51 fi
  52 case "$CC_VERSION" in
  53         # ost_pack_niobuf putting 64bit NTOH temporaries on the stack
  54         # without "sub    $0xc,%esp" to protect the stack from being
  55         # stomped on by interrupts (bug 606)
  56         "gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)")
  57                 bad_cc
  58                 ;;
  59         # mandrake's similar sub 0xc compiler bug
  60         # http://marc.theaimsgroup.com/?l=linux-kernel&m=104748366226348&w=2
  61         "gcc version 2.96 20000731 (Mandrake Linux 8.1 2.96-0.62mdk)")
  62                 bad_cc
  63                 ;;
  64         # unpatched 'gcc' on rh9.  miscompiles a
  65         #        struct = (type) { .member = value, };
  66         # asignment in the iibnal where the struct is a mix
  67         # of u64 and u32 bit-fields.
  68         "gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)")
  69                 bad_cc
  70                 ;;
  71         *)
  72                 AC_MSG_RESULT([no known problems])
  73                 ;;
  74 esac
  75 # end ------  BAD gcc? ------------
  76
  77 # --------  Check for required packages  --------------
  78
  79 # this doesn't seem to work on older autoconf
  80 # AC_CHECK_LIB(readline, readline,,)
  81 AC_MSG_CHECKING([for readline support])
  82 AC_ARG_ENABLE(readline,
  83         AC_HELP_STRING([--disable-readline],
  84                         [do not use readline library]),
  85         [],[enable_readline='yes'])
  86 AC_MSG_RESULT([$enable_readline])
  87 if test x$enable_readline = xyes ; then
  88         LIBREADLINE="-lreadline -lncurses"
  89         AC_DEFINE(HAVE_LIBREADLINE, 1, [readline library is available])
  90 else
  91         LIBREADLINE=""
  92 fi
  93 AC_SUBST(LIBREADLINE)
  94
  95 AC_MSG_CHECKING([if efence debugging support is requested])
  96 AC_ARG_ENABLE(efence,
  97         AC_HELP_STRING([--enable-efence],
  98                         [use efence library]),
  99         [],[enable_efence='no'])
 100 AC_MSG_RESULT([$enable_efence])
 101 if test "$enable_efence" = "yes" ; then
 102         LIBEFENCE="-lefence"
 103         AC_DEFINE(HAVE_LIBEFENCE, 1, [libefence support is requested])
 104 else
 105         LIBEFENCE=""
 106 fi
 107 AC_SUBST(LIBEFENCE)
 108
 109 # -------- enable acceptor libwrap (TCP wrappers) support? -------
 110 AC_MSG_CHECKING([if libwrap support is requested])
 111 AC_ARG_ENABLE([libwrap],
 112         AC_HELP_STRING([--enable-libwrap], [use TCP wrappers]),
 113         [case "${enableval}" in
 114                 yes) enable_libwrap=yes ;;
 115                 no) enable_libwrap=no ;;
 116                 *) AC_MSG_ERROR(bad value ${enableval} for --enable-libwrap) ;;
 117         esac],[enable_libwrap=no])
 118 AC_MSG_RESULT([$enable_libwrap])
 119 if test x$enable_libwrap = xyes ; then
 120         LIBWRAP="-lwrap"
 121         AC_DEFINE(HAVE_LIBWRAP, 1, [libwrap support is requested])
 122 else
 123         LIBWRAP=""
 124 fi
 125 AC_SUBST(LIBWRAP)
 126
 127 AC_SUBST(LIBS)