2021-04-17 06:14:21 -04:00
|
|
|
dnl -*- Autoconf -*-
|
2018-01-20 02:05:25 -05:00
|
|
|
AC_DEFUN([RUBY_DTRACE_AVAILABLE],
|
|
|
|
|
[AC_CACHE_CHECK(whether dtrace USDT is available, rb_cv_dtrace_available,
|
|
|
|
|
[
|
|
|
|
|
echo "provider conftest{ probe fire(); };" > conftest_provider.d
|
|
|
|
|
rb_cv_dtrace_available=no
|
|
|
|
|
AS_FOR(opt, rb_dtrace_opt, ["-xnolibs" ""], [dnl
|
|
|
|
|
AS_IF([$DTRACE opt -h -o conftest_provider.h -s conftest_provider.d >/dev/null 2>/dev/null],
|
|
|
|
|
[], [continue])
|
2020-12-12 08:55:09 -05:00
|
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[@%:@include "conftest_provider.h"]], [[CONFTEST_FIRE();]])],
|
2018-01-20 02:05:25 -05:00
|
|
|
[], [continue])
|
|
|
|
|
# DTrace is available on the system
|
|
|
|
|
rb_cv_dtrace_available=yes${rb_dtrace_opt:+"(opt)"}
|
|
|
|
|
break
|
|
|
|
|
])
|
|
|
|
|
rm -f conftest.[co] conftest_provider.[dho]
|
|
|
|
|
])
|
|
|
|
|
AS_CASE(["$rb_cv_dtrace_available"], ["yes("*")"],
|
|
|
|
|
[DTRACE_OPT=`expr "$rb_cv_dtrace_available" : "yes(\(.*\))"`])
|
|
|
|
|
])dnl
|
