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) ]) dnl ah_GET_CONF(variable, value ..., [default]) AC_DEFUN(ah_GET_GETCONF, [AC_REQUIRE([ah_HAVE_GETCONF]) if test ! -z "$GETCONF";then old_args="[$]@" set -- $2 while eval test -z \"\$$1\" -a ! -z \"[$]1\";do eval $1=`$GETCONF "[$]1" 2>/dev/null` shift done fi if eval test -z \"\$$1\" -o \"\$$1\" = "-1";then eval $1="$3" fi ]) AC_DEFUN(ah_NUM_CPUS, [AC_MSG_CHECKING([number of cpus]) AC_ARG_WITH(cpus, [ --with-cpus The number of cpus to be used for building(see --with-procs, default 1)], [ if test "$withval" = "yes"; then ah_GET_GETCONF(NUM_CPUS, SC_NPROCESSORS_ONLN _NPROCESSORS_ONLN, 1) elif test ! "$withval" = "no";then NUM_CPUS=$withval elif test "$withval" = "no";then NUM_CPUS=1 fi], [ah_GET_GETCONF(NUM_CPUS, SC_NPROCESSORS_ONLN _NPROCESSORS_ONLN, 1)] ) ah_NUM_CPUS_msg="$NUM_CPUS" if test "$NUM_CPUS" = "0"; then # broken getconf, time to bitch. ah_NUM_CPUS_msg="found 0 cpus. Has someone done a lobotomy?" NUM_CPUS=1 fi if test $NUM_CPUS = 1 ;then default_PROC_MULTIPLY=1 else default_PROC_MULTIPLY=2 fi AC_MSG_RESULT([$ah_NUM_CPUS_msg]) 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) ]) AC_DEFUN(ah_GCC3DEP,[ AC_MSG_CHECKING(if $CXX -MD works) touch gcc3dep.cc ${CXX-c++} -MD -o gcc3dep_test.o -c gcc3dep.cc rm -f gcc3dep.cc gcc3dep_test.o if test -e gcc3dep.d; then rm -f gcc3dep.d GCC_MD=input GCC3DEP= elif test -e gcc3dep_test.d; then rm -f gcc3dep_test.d GCC_MD=output GCC3DEP=yes else AC_MSG_ERROR(no) fi AC_MSG_RESULT([yes, for $GCC_MD]) AC_SUBST(GCC3DEP) ])