[nagiosplug] check_procs: Get rid of HAVE_PROC_PID_EXE

[Nagios Plugin Development]

    Module: nagiosplug
    Branch: master
    Commit: 0f686d436e5e18d6f40fecc01128d3f383439b35
    Author: Sebastian Schmidt <sschmidt at interhyp.de>
 Committer: Holger Weiss <holger at zedat.fu-berlin.de>
      Date: Sun Aug 18 12:42:11 2013 +0200
       URL: http://nagiosplug.git.sf.net/git/gitweb.cgi?p=nagiosplug/nagiosplug;a=commit;h=0f686d4

check_procs: Get rid of HAVE_PROC_PID_EXE

Don't check for /proc/pid/exe at compile time, it could be gone in a
build chroot or the like. Checking at runtime (once) is sufficient.

---

 configure.in          |    6 ------
 plugins/check_procs.c |    2 +-
 2 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/configure.in b/configure.in
index 7efcb0f..43fe4ad 100644
--- a/configure.in
+++ b/configure.in
@@ -1632,12 +1632,6 @@ if test -n "$ac_cv_proc_meminfo"; then
 	EXTRAS="$EXTRAS check_swap"
 fi
 
-AC_MSG_CHECKING([for /proc/pid/exe])
-if [readlink /proc/$$/exe > /dev/null 2>&1]; then
-    AC_MSG_RESULT([found])
-    AC_DEFINE(HAVE_PROC_PID_EXE,1,[Define if we have /proc/pid/exe])
-fi
-
 AC_PATH_PROG(PATH_TO_DIG,dig)
 AC_ARG_WITH(dig_command,
             ACX_HELP_STRING([--with-dig-command=PATH],
diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index d6441f0..3b4c822 100644
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
@@ -110,7 +110,7 @@ FILE *ps_input = NULL;
 
 static int
 stat_exe (const pid_t pid, struct_stat_t *buf) {
-#if defined(HAVE_PROC_PID_EXE) && defined(HAVE_SYS_STAT_H)
+#ifdef HAVE_SYS_STAT_H
 	char *path;
 	int ret;
 	xasprintf(&path, "/proc/%d/exe", pid);