From b10a8c60fb2cc4d80eb5a95591a9e79681f7830a Mon Sep 17 00:00:00 2001
From: James Le Cuirot <chewi@gentoo.org>
Date: Fri, 19 Apr 2019 21:56:58 +0100
Subject: [PATCH] Only run configure in libmpeg2 when using built-in version

---
 Makefile.am  | 3 +++
 configure.ac | 4 +++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/Makefile.am b/Makefile.am
index 66356baa..eece9f1e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,6 +1,7 @@
 # Makefile.am for FS-UAE
 
 SUBDIRS =
+DIST_SUBDIRS =
 
 WARNINGS =
 
@@ -1262,6 +1263,7 @@ endif
 
 if BUILTIN_LIBMPEG2
 SUBDIRS += libmpeg2
+DIST_SUBDIRS += libmpeg2
 AM_CPPFLAGS += -I$(s)/libmpeg2/include
 fs_uae_LDADD += \
 	libmpeg2/libmpeg2/.libs/libmpeg2.a \
diff --git a/configure.ac b/configure.ac
index 5dd3bfbd..4d4849fd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -801,7 +801,9 @@ OPT_FEATURE([A_ZIP], [zip], [zip],
 
 AC_DEFINE([FPU_UAE], [1], [Define to 1])
 
-AC_CONFIG_SUBDIRS([libmpeg2])
+AS_IF([test "x$with_libmpeg2" = xbuiltin], [
+    AC_CONFIG_SUBDIRS([libmpeg2])
+])
 
 # Write Makefile
 
-- 
2.21.0