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From b95befdfd2c9bcb6b0cd896f2b8dfaaeb129dbff Mon Sep 17 00:00:00 2001
From: Alan Coopersmith <alan.coopersmith@sun.com>
Date: Fri, 7 Dec 2007 17:28:37 -0800
Subject: [PATCH] Check for <sys/sdt.h> as well when determining to enable dtrace probes
Avoids auto-detecting dtrace is present on systems with the ISDN trace tool
named dtrace installed, but not the dynamic tracing facility named dtrace
---
configure.ac | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/configure.ac b/configure.ac
index 4841d26..c73f4a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -66,6 +66,8 @@ AC_SYS_LARGEFILE
XORG_PROG_RAWCPP
dnl Check for dtrace program (needed to build Xserver dtrace probes)
+dnl Also checks for <sys/sdt.h>, since some Linux distros have an
+dnl ISDN trace program named dtrace
AC_ARG_WITH(dtrace, AS_HELP_STRING([--with-dtrace=PATH],
[Enable dtrace probes (default: enabled if dtrace found)]),
[WDTRACE=$withval], [WDTRACE=auto])
@@ -76,6 +78,11 @@ if test "x$WDTRACE" = "xyes" -o "x$WDTRACE" = "xauto" ; then
AC_MSG_FAILURE([dtrace requested but not found])
fi
WDTRACE="no"
+ else
+ AC_CHECK_HEADER(sys/sdt.h, [HAS_SDT_H="yes"], [HAS_SDT_H="no"])
+ if test "x$WDTRACE" = "xauto" -a "x$HAS_SDT_H" = "xno" ; then
+ WDTRACE="no"
+ fi
fi
fi
if test "x$WDTRACE" != "xno" ; then
--
1.5.5.1
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