diff mbox series

[v1,2/4] configure: Add check for lex, yacc

Message ID cc3e593446795d895afa829d03a25b2035323e86.1515199383.git.geoff@infradead.org
State Accepted
Headers show
Series [v1,1/4] bootstrap: Add dependency checks | expand

Commit Message

Geoff Levand Jan. 6, 2018, 12:47 a.m. UTC 
Signed-off-by: Geoff Levand <geoff@infradead.org>
---
 configure.ac | 6 ++++++
 1 file changed, 6 insertions(+)
diff mbox series

Patch

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