build: if `--enable-sqlite3` is `yes`, abort if libsqlite3 is not found

If SQLITE3 support has been explicitly requested, abort if it is not
available.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/configure.ac b/configure.ac
index 62c43d630b29ce42116ae708e149f02c92ed600c..5e90bb6365e9f1a45e4dde72ee9d237776cc6dec 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -176,8 +176,13 @@ AM_CONDITIONAL([HAVE_MYSQL], [test "x$libmysqlclient_LIBS" != "x"])
 
 AC_ARG_ENABLE([sqlite3],
               [AS_HELP_STRING([--enable-sqlite3], [Enable SQLITE3 output plugin [default=test]])])
-AS_IF([test "x$enable_sqlite3" != "xno"],
-      [PKG_CHECK_MODULES([libsqlite3], [sqlite3], [], [:])])
+AS_IF([test "x$enable_sqlite3" != "xno"], [
+  PKG_CHECK_MODULES([libsqlite3], [sqlite3], [], [
+    AS_IF([test "x$enable_sqlite3" = "xyes"], [
+      AC_MSG_ERROR([$libsqlite3_PKG_ERRORS])
+    ])
+  ])
+])
 AS_IF([test "x$libsqlite3_LIBS" != "x"], [enable_sqlite3=yes], [enable_sqlite3=no])
 AM_CONDITIONAL([HAVE_SQLITE3], [test "x$libsqlite3_LIBS" != "x"])