From: Geoff Levand <geoff@infradead.org>
Date: Sat, 6 Jan 2018 00:47:39 +0000 (+0000)
Subject: configure: Add check for lex, yacc
X-Git-Tag: v1.7.0~16
X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=commitdiff_plain;h=e3f78333a2a16760d6a497b84329c103208e921e

configure: Add check for lex, yacc

Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
---

diff --git a/configure.ac b/configure.ac
index 3ed41ee..f394de6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -26,7 +26,13 @@ AS_IF([test "x$CFLAGS" = "x"], [AC_SUBST([CFLAGS], [""])])
 
 AC_PROG_CC
 AC_PROG_LEX
+if test -z "$($LEX --version)"; then
+	AC_MSG_ERROR([[Please install flex/lex]])
+fi
 AC_PROG_YACC
+if test -z "$($YACC --version)"; then
+	AC_MSG_ERROR([[Please install bison/yacc]])
+fi
 AC_PROG_INSTALL
 
 AM_INIT_AUTOMAKE