better handle of system without setreuid() etregid() functions

diff --git a/configure.in b/configure.in
index 24572cd1f5d9dce684fbb5e11f4720cf78b79066..c73683f49926a05e2c5d72c91b35306b874e8709 100644 (file)
--- a/configure.in
+++ b/configure.in
@@ -430,16 +430,29 @@ AC_ARG_WITH(username,
     AC_MSG_ERROR(Need USERNAME.)
     ;;
   yes)
-    username=fcron
-    AC_MSG_RESULT(fcron)
+    if test \( $setreuid -eq 1 \) -a \( $setregid -eq 1 \) ; then
+       username=fcron
+       AC_MSG_RESULT(fcron)
+    else
+        AC_MSG_RESULT(root)
+    fi
     ;;
   *)
-    username="$withval";
-    AC_MSG_RESULT($withval)
+    if test \( $setreuid -eq 1 \) -a \( $setregid -eq 1 \) ; then
+       username="$withval";
+       AC_MSG_RESULT($withval)
+    else
+       AC_MSG_RESULT(root)
+       AC_MSG_ERROR(username must be root as your system has no seteuid)
+    fi
     ;;
     esac ],
-    username=fcron
-    AC_MSG_RESULT(fcron)
+    if test \( $setreuid -eq 1 \) -a \( $setregid -eq 1 \) ; then
+       username=fcron
+       AC_MSG_RESULT(fcron)
+    else
+        AC_MSG_RESULT(root)
+    fi
 )
 
 AC_MSG_CHECKING(groupname to run under)
@@ -450,16 +463,29 @@ AC_ARG_WITH(groupname,
     AC_MSG_ERROR(Need GROUPNAME.)
     ;;
   yes)
-    groupname=fcron
-    AC_MSG_RESULT(fcron)
+    if test \( $setreuid -eq 1 \) -a \( $setregid -eq 1 \) ; then
+       groupname=fcron
+       AC_MSG_RESULT(fcron)
+    else
+        AC_MSG_RESULT(root)
+    fi
     ;;
   *)
-    groupname="$withval";
-    AC_MSG_RESULT($withval)
+    if test \( $setreuid -eq 1 \) -a \( $setregid -eq 1 \) ; then
+       groupname="$withval";
+       AC_MSG_RESULT($withval)
+    else
+       AC_MSG_RESULT(root)
+       AC_MSG_ERROR(groupname must be root as your system has no setegid)
+    fi
     ;;
     esac ],
-    groupname=fcron
-    AC_MSG_RESULT(fcron)
+    if test \( $setreuid -eq 1 \) -a \( $setregid -eq 1 \) ; then
+       groupname=fcron
+       AC_MSG_RESULT(fcron)
+    else
+        AC_MSG_RESULT(root)
+    fi
 )
 
 fi