diff options
| -rw-r--r-- | configure.ac | 6 |
1 files changed, 6 insertions, 0 deletions
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 |
