Index: htop/Makefile
@@ -16,6 +16,8 @@
 
 GNU_CONFIGURE=	yes
 USE_GMAKE=	yes
+USE_AUTOTOOLS=	autoconf:259
+CONFIGURE_ARGS+=	--with-proc=/compat/linux/proc
 
 MAN1=	htop.1
 
Index: htop/files/patch-configure.ac
@@ -0,0 +1,10 @@
+Index: configure.ac
+@@ -54,6 +54,8 @@
+ 
+    if test -n "$withval"; then
+       AC_DEFINE_UNQUOTED(PROCDIR, "$withval", [Path of proc filesystem])
++      AC_DEFINE_UNQUOTED(PROCSTATFILE, "$withval/stat", [Path of proc/stat])
++      AC_DEFINE_UNQUOTED(PROCMEMINFOFILE, "$withval/meminfo", [Path of proc/meminfo])
+       PROCDIR="$withval"
+    fi,
+    AC_DEFINE(PROCDIR, "/proc", [Path of proc filesystem]))