From: Roger Pau Monne <roger.pau@citrix.com>
Date: Fri, 5 Feb 2021 11:53:27 +0000 (+0100)
Subject: tools/configure: add bison as mandatory
X-Git-Tag: archive/raspbian/4.16.0+51-g0941d6cb-1+rpi1~2^2~42^2~914
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=20077d035224c6f3b3eef8b111b8b842635f2c40;p=xen.git

tools/configure: add bison as mandatory

Bison is now mandatory when the pvshim build is enabled in order to
generate the Kconfig.

Signed-off-by: Roger Pau Monné <roger.pau@citrix.com>
Release-Acked-by: Ian Jackson <iwj@xenproject.org>
Reviewed-by: Ian Jackson <iwj@xenproject.org>
---

diff --git a/tools/configure.ac b/tools/configure.ac
index 3a3e7b4b2b..6b611deb13 100644
--- a/tools/configure.ac
+++ b/tools/configure.ac
@@ -309,7 +309,6 @@ AC_ARG_VAR([AWK], [Path to awk tool])
 AC_PROG_CC
 AC_PROG_MAKE_SET
 AC_PROG_INSTALL
-AC_PATH_PROG([BISON], [bison])
 AC_PATH_PROG([FLEX], [flex])
 AX_PATH_PROG_OR_FAIL([PERL], [perl])
 AX_PATH_PROG_OR_FAIL([AWK], [awk])
@@ -517,6 +516,11 @@ AC_ARG_ENABLE([pvshim],
     esac
 ])
 AC_SUBST(pvshim)
+AS_IF([test "x$pvshim" = "xy"], [
+    AX_PATH_PROG_OR_FAIL([BISON], [bison])
+], [
+    AC_PATH_PROG([BISON], [bison])
+])
 
 AX_FIND_HEADER([INCLUDE_ENDIAN_H], [endian.h sys/endian.h])