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AC_DEFUN(ah_HAVE_GETCONF,
[AC_ARG_WITH(getconf,
[ --with-getconf Enable automagical buildtime configuration],
[if test "$withval" = "yes"; then
AC_PATH_PROG(GETCONF, getconf)
elif test ! "$withval" = "no";then
AC_MSG_CHECKING([getconf])
AC_MSG_RESULT([$withval])
GETCONF=$withval
fi],
[AC_PATH_PROG(GETCONF, getconf)]
)
AC_SUBST(GETCONF)
])
AC_DEFUN(ah_NUM_CPUS,
[AC_REQUIRE([ah_HAVE_GETCONF])
AC_MSG_CHECKING([number of cpus])
AC_ARG_WITH(cpus,
[ --with-cpus The number of cpus to be used for building(see --with-procs, default 1)],
[if test "$withval" = "yes"; then
if test ! -z "$GETCONF";then
NUM_CPUS=`$GETCONF _NPROCESSORS_ONLN 2>/dev/null`
else
NUM_CPUS=1
fi
elif test ! "$withval" = "no";then
NUM_CPUS=$withval
fi],
[if test ! -z "$GETCONF";then
NUM_CPUS=`$GETCONF _NPROCESSORS_ONLN 2>/dev/null`
else
NUM_CPUS=1
fi]
)
if test $NUM_CPUS = 1 ;then
default_PROC_MULTIPLY=1
else
default_PROC_MULTIPLY=2
fi
AC_MSG_RESULT([$NUM_CPUS])
AC_SUBST(NUM_CPUS)
])
AC_DEFUN(ah_PROC_MULTIPLY,
[AC_REQUIRE([ah_NUM_CPUS])
AC_MSG_CHECKING([processor multiplier])
AC_ARG_WITH(proc-multiply,
[ --with-proc-multiply Multiply this * number of cpus for parallel making(default 2).],
[if test "$withval" = "yes"; then
PROC_MULTIPLY=$default_PROC_MULTIPLY
elif test ! "$withval" = "no";then
PROC_MULTIPLY=$withval
fi],
[PROC_MULTIPLY=$default_PROC_MULTIPLY]
)
AC_MSG_RESULT([$PROC_MULTIPLY])
AC_SUBST(PROC_MULTIPLY)
])
AC_DEFUN(ah_NUM_PROCS,
[AC_REQUIRE([ah_PROC_MULTIPLY])
AC_REQUIRE([ah_NUM_CPUS])
AC_MSG_CHECKING([number of processes to run during make])
AC_ARG_WITH(procs,
[ --with-procs The number of processes to run in parallel during make(num_cpus * multiplier).],
[if test "$withval" = "yes"; then
NUM_PROCS=`expr $NUM_CPUS \* $PROC_MULTIPLY`
elif test ! "$withval" = "no";then
NUM_PROCS=$withval
fi],
[NUM_PROCS=`expr $NUM_CPUS \* $PROC_MULTIPLY`]
)
AC_MSG_RESULT([$NUM_PROCS])
AC_SUBST(NUM_PROCS)
])
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