From d612684109f0395b86e4aaad9ba94e02f79a099a Mon Sep 17 00:00:00 2001
From: Ross Burton <ross.burton@intel.com>
Date: Wed, 4 Jul 2018 12:11:07 +0100
Subject: Require gawk in maintainer mode

gawk is required to build known_dwarf.h, so check for it in configure.ac.

Signed-off-by: Ross Burton <ross.burton@intel.com>
---
 configure.ac | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'configure.ac')

diff --git a/configure.ac b/configure.ac
index 1cf6245b..a3b29939 100644
--- a/configure.ac
+++ b/configure.ac
@@ -618,6 +618,10 @@ if test "x$enable_maintainer_mode" = xyes; then
   if test "$HAVE_BISON" = "no"; then
     AC_MSG_ERROR([bison needed in maintainer mode])
   fi
+  AC_CHECK_PROG(HAVE_GAWK, gawk, yes, no)
+  if test "$HAVE_GAWK" = "no"; then
+    AC_MSG_ERROR([gawk needed in maintainer mode])
+  fi
 else
   if test ! -f ${srcdir}/libdw/known-dwarf.h; then
     AC_MSG_ERROR([No libdw/known-dwarf.h. configure --enable-maintainer-mode])
-- 
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