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-rw-r--r--configure.ac2
1 files changed, 1 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index f2c133bb..3dfe1d5c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -21,7 +21,7 @@ dnl ###########################################################################
AC_CHECK_HEADERS(security/pam_appl.h, [], AC_MSG_ERROR(PAM not found))
-AC_CHECK_FUNCS(setresgid setresuid)
+AC_CHECK_FUNCS(setresgid setresuid clearenv)
PKG_CHECK_MODULES(LIGHTDM, [
glib-2.0 >= 2.24