LU-15967 build: configure script does not check for required build tools

[fs/lustre-release.git] / config / lustre-build.m4

diff --git a/config/lustre-build.m4 b/config/lustre-build.m4
index 6a28127..fdae513 100644 (file)
--- a/config/lustre-build.m4
+++ b/config/lustre-build.m4
@@ -155,6 +155,8 @@ AC_ARG_ENABLE([modules],
 AC_MSG_RESULT([$enable_modules ($target_os)])
 
 AS_IF([test "x$enable_modules" = xyes], [
+       AS_IF([test "x$FLEX" = "x"], [AC_MSG_ERROR([flex package is required to build kernel modules])])
+       AS_IF([test "x$BISON" = "x"], [AC_MSG_ERROR([bison package is required to build kernel modules])])
        AS_CASE([$target_os],
                [linux*], [
                        # Run serial tests