From: Enrico Scholz Date: Sat, 14 Feb 2004 01:20:35 +0000 (+0000) Subject: ENSC_KERNEL_HEADERS: made argument optionally X-Git-Tag: VERSION_0_10~670 X-Git-Url: http://git.linux-vserver.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d78584f798d3201e32c4581296a8be45ab305c3d;p=util-vserver.git ENSC_KERNEL_HEADERS: made argument optionally git-svn-id: http://svn.linux-vserver.org/svn/util-vserver/trunk@891 94cd875c-1c1d-0410-91d2-eb244daf1a30 --- diff --git a/util-vserver/m4/ensc_kerneldir.m4 b/util-vserver/m4/ensc_kerneldir.m4 index d4a2bdc..8555e67 100644 --- a/util-vserver/m4/ensc_kerneldir.m4 +++ b/util-vserver/m4/ensc_kerneldir.m4 @@ -50,6 +50,8 @@ AC_DEFUN([ENSC_KERNEL_HEADERS], ensc_cv_path_kernelheaders=$ensc_cv_path_kerneldir/include ]) - $1=$ensc_cv_path_kernelheaders - AC_SUBST($1) + if test x"$1" != x; then + $1=$ensc_cv_path_kernelheaders + AC_SUBST($1) + fi ])