From 7e1b986a31f44fbd67c892d873c18b19f547bcad Mon Sep 17 00:00:00 2001
From: Ethan Yonker <dees_troy@teamw.in>
Date: Thu, 19 Mar 2015 14:10:01 -0500
Subject: updater: only include tune2fs support when libtune2fs is available

Change-Id: Iebf965bb7f5352115be4039aa6ca5be5a6a6d219
---
 updater/Android.mk | 5 ++++-
 updater/install.c  | 6 ++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/updater/Android.mk b/updater/Android.mk
index cc2206134..0045d6fa7 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -53,7 +53,10 @@ tune2fs_static_libraries := \
  libext2_uuid_static \
  libext2_e2p \
  libext2fs
-LOCAL_STATIC_LIBRARIES += libtune2fs $(tune2fs_static_libraries)
+ifneq ($(wildcard external/e2fsprogs/misc/tune2fs.h),)
+    LOCAL_STATIC_LIBRARIES += libtune2fs $(tune2fs_static_libraries)
+    LOCAL_CFLAGS += -DHAVE_LIBTUNE2FS
+endif
 
 LOCAL_C_INCLUDES += external/e2fsprogs/misc
 LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
diff --git a/updater/install.c b/updater/install.c
index 20ee431de..7a73f28b9 100644
--- a/updater/install.c
+++ b/updater/install.c
@@ -48,7 +48,9 @@
 #include "applypatch/applypatch.h"
 #include "flashutils/flashutils.h"
 #include "install.h"
+#ifdef HAVE_LIBTUNE2FS
 #include "tune2fs.h"
+#endif
 
 #ifdef USE_EXT4
 #include "make_ext4fs.h"
@@ -1491,6 +1493,7 @@ Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) {
 }
 
 Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
+#ifdef HAVE_LIBTUNE2FS
     if (argc == 0) {
         return ErrorAbort(state, "%s() expects args, got %d", name, argc);
     }
@@ -1519,6 +1522,9 @@ Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) {
         return ErrorAbort(state, "%s() returned error code %d", name, result);
     }
     return StringValue(strdup("t"));
+#else
+    return ErrorAbort(state, "%s() support not present, no libtune2fs", name);
+#endif // HAVE_LIBTUNE2FS
 }
 
 void RegisterInstallFunctions() {
-- 
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