build-sys: at configure check for verifying that ln supports --relative

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 336938ee7f74abfbb954fb9c34e766084de78b5e..0a4e901d75208ad82c8018c939161537f24cabaa 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -76,6 +76,8 @@ AC_PATH_PROG([KMOD], [kmod], [/usr/bin/kmod], [$PATH:/usr/sbin:/sbin])
 
 AC_PATH_PROG([KEXEC], [kexec], [/usr/sbin/kexec], [$PATH:/usr/sbin:/sbin])
 
+AS_IF([! ln --relative --help > /dev/null 2>&1], [AC_MSG_ERROR([*** ln doesn't support --relative ***])])
+
 M4_DEFINES=
 
 # gtkdocize greps for '^GTK_DOC_CHECK', so it needs to be on its own line
@@ -880,6 +882,8 @@ if test "x$enable_networkd" != "xno"; then
         AC_DEFINE(ENABLE_NETWORKD, 1, [Define if networkd support is to be enabled])
         have_networkd=yes
 fi
+AS_IF([test "x$have_networkd" = "xyes" -a "x$have_kmod" != "xyes"],
+      [AC_MSG_ERROR([networkd requires kmod])])
 AM_CONDITIONAL(ENABLE_NETWORKD, [test "x$have_networkd" = "xyes"])
 
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