buildlib/tools.m4

   1 AC_DEFUN(ah_HAVE_GETCONF,
   2         [AC_ARG_WITH(getconf,
   3                 [  --with-getconf          Enable automagical buildtime configuration],
   4                 [if test "$withval" = "yes"; then
   5                         AC_PATH_PROG(GETCONF, getconf)
   6                 elif test ! "$withval" = "no";then
   7                         AC_MSG_CHECKING([getconf])
   8                         AC_MSG_RESULT([$withval])
   9                         GETCONF=$withval
  10                 fi],
  11                 [AC_PATH_PROG(GETCONF, getconf)]
  12         )
  13         AC_SUBST(GETCONF)
  14 ])
  15
  16 AC_DEFUN(ah_NUM_CPUS,
  17         [AC_REQUIRE([ah_HAVE_GETCONF])
  18         AC_MSG_CHECKING([number of cpus])
  19         AC_ARG_WITH(cpus,
  20                 [  --with-cpus             The number of cpus to be used for building(see --with-procs, default 1)],
  21                 [if test "$withval" = "yes"; then
  22                         if test ! -z "$GETCONF";then
  23                                 NUM_CPUS=`$GETCONF _NPROCESSORS_ONLN 2>/dev/null`
  24                         else
  25                                 NUM_CPUS=1
  26                         fi
  27                 elif test ! "$withval" = "no";then
  28                         NUM_CPUS=$withval
  29                 fi],
  30                 [if test "$GETCONF";then
  31                         NUM_CPUS=`$GETCONF _NPROCESSORS_ONLN 2>/dev/null`
  32                 else
  33                         NUM_CPUS=1
  34                 fi]
  35         )
  36         if test $NUM_CPUS = 1 ;then
  37                 default_PROC_MULTIPLY=1
  38         else
  39                 default_PROC_MULTIPLY=2
  40         fi
  41         AC_MSG_RESULT([$NUM_CPUS])
  42         AC_SUBST(NUM_CPUS)
  43 ])
  44 AC_DEFUN(ah_PROC_MULTIPLY,
  45         [AC_REQUIRE([ah_NUM_CPUS])
  46         AC_MSG_CHECKING([processor multiplier])
  47         AC_ARG_WITH(proc-multiply,
  48                 [  --with-proc-multiply    Multiply this * number of cpus for parallel making(default 2).],
  49                 [if test "$withval" = "yes"; then
  50                         PROC_MULTIPLY=$default_PROC_MULTIPLY
  51                 elif test ! "$withval" = "no";then
  52                         PROC_MULTIPLY=$withval
  53                 fi],
  54                 [PROC_MULTIPLY=$default_PROC_MULTIPLY]
  55         )
  56         AC_MSG_RESULT([$PROC_MULTIPLY])
  57         AC_SUBST(PROC_MULTIPLY)
  58 ])
  59
  60 AC_DEFUN(ah_NUM_PROCS,
  61         [AC_REQUIRE([ah_PROC_MULTIPLY])
  62         AC_REQUIRE([ah_NUM_CPUS])
  63         AC_MSG_CHECKING([number of processes to run during make])
  64         AC_ARG_WITH(procs,
  65                 [  --with-procs            The number of processes to run in parallel during make(num_cpus * multiplier).],
  66                 [if test "$withval" = "yes"; then
  67                         NUM_PROCS=`expr $NUM_CPUS \* $PROC_MULTIPLY`
  68                 elif test ! "$withval" = "no";then
  69                         NUM_PROCS=$withval
  70                 fi],
  71                 [NUM_PROCS=`expr $NUM_CPUS \* $PROC_MULTIPLY`]
  72         )
  73         AC_MSG_RESULT([$NUM_PROCS])
  74         AC_SUBST(NUM_PROCS)
  75 ])