X-Git-Url: http://git.ozlabs.org/?p=petitboot;a=blobdiff_plain;f=configure.ac;h=f394de6369cf2c3f54c67bf91d92b0ef52546e00;hp=3ed41eee7bdd984b73794f92158b1acfaab008cd;hb=e3f78333a2a16760d6a497b84329c103208e921e;hpb=b2bc013b141308cd0e78b47ed0b19e1c1ff6a20a

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