From: Simon Ruderich <simon@ruderich.org>
Date: Tue, 22 Sep 2015 23:56:47 +0000 (+0200)
Subject: configure.ac: check for setresuid/setresuid when using utmpx.h
X-Git-Url: https://ruderich.org/simon/gitweb/?p=wall-notify%2Fwall-notify.git;a=commitdiff_plain;h=4c63daac52b77c9224ff501084f79274fd531a97

configure.ac: check for setresuid/setresuid when using utmpx.h

Broken in 3553a29a54f7755debfa189db830c4b8de51826f ("drop privileges
when running as group utmp").
---

diff --git a/configure.ac b/configure.ac
index 84c3e32..3c19396 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,9 +37,6 @@ fi
 AC_CHECK_HEADERS([utempter.h utmpx.h])
 
 if test "x$ac_cv_header_utempter_h" = xyes; then
-    AC_CHECK_FUNCS([setresuid setresgid],[],
-                   [AC_MSG_ERROR([setresuid() and setresgid() required for utmpx])])
-
     AC_MSG_NOTICE([using utempter])
     AC_CHECK_LIB([utempter], [utempter_add_record],
                  [], [AC_MSG_ERROR([utempter_add_record() required])])
@@ -49,7 +46,10 @@ if test "x$ac_cv_header_utempter_h" = xyes; then
 
 elif test "x$ac_cv_header_utmpx_h" = xyes; then
     AC_MSG_NOTICE([using utmp])
+    AC_CHECK_FUNCS([setresuid setresgid],[],
+                   [AC_MSG_ERROR([setresuid() and setresgid() required for utmpx])])
     AC_DEFINE([USE_UTMPX], 1, [Define to 1 to use utmp.])
+
 else
     AC_MSG_ERROR([neither utmpx.h nor utempter.h found, aborting])
 fi