git.m6w6.name Git - awesomized/libmemcached/blob - m4/pandora_enable_dtrace.m4

   1 dnl  Copyright (C) 2009 Sun Microsystems
   2 dnl This file is free software; Sun Microsystems
   3 dnl gives unlimited permission to copy and/or distribute it,
   4 dnl with or without modifications, as long as this notice is preserved.
   5
   6 dnl ---------------------------------------------------------------------------
   7 dnl Macro: PANDORA_ENABLE_DTRACE
   8 dnl ---------------------------------------------------------------------------
   9 AC_DEFUN([PANDORA_ENABLE_DTRACE],[
  10   AC_ARG_ENABLE([dtrace],
  11     [AS_HELP_STRING([--enable-dtrace],
  12             [Build with support for the DTRACE. @<:@default=off@:>@])],
  13     [ac_cv_enable_dtrace="yes"],
  14     [ac_cv_enable_dtrace="no"])
  15
  16   AS_IF([test "$ac_cv_enable_dtrace" = "yes"],[
  17     AC_CHECK_PROGS([DTRACE], [dtrace])
  18     AS_IF([test "x$ac_cv_prog_DTRACE" = "xdtrace"],[
  19       AC_DEFINE([HAVE_DTRACE], [1], [Enables DTRACE Support])
  20       AC_MSG_CHECKING([if dtrace should instrument object files])
  21       dnl DTrace on MacOSX does not use -G option
  22       cat >conftest.d <<_ACEOF
  23 provider Example {
  24   probe increment(int);
  25 };
  26 _ACEOF
  27       $DTRACE -G -o conftest.d.o -s conftest.d 2>/dev/zero
  28       AS_IF([test $? -eq 0],[ac_cv_dtrace_needs_objects=yes],
  29             [ac_cv_dtrace_needs_objects=no])
  30       rm -f conftest.d.o conftest.d
  31       AC_MSG_RESULT($ac_cv_dtrace_needs_objects)
  32       AC_SUBST(DTRACEFLAGS) dnl TODO: test for -G on OSX
  33       ac_cv_have_dtrace=yes
  34     ])])
  35
  36 AM_CONDITIONAL([HAVE_DTRACE], [test "x$ac_cv_have_dtrace" = "xyes"])
  37 AM_CONDITIONAL([DTRACE_NEEDS_OBJECTS],
  38                [test "x$ac_cv_dtrace_needs_objects" = "xyes"])
  39
  40 ])
  41 dnl ---------------------------------------------------------------------------
  42 dnl End Macro: PANDORA_ENABLE_DTRACE
  43 dnl ---------------------------------------------------------------------------