From 29fde27f863ce82a2604270cfa7216904f1f171b Mon Sep 17 00:00:00 2001
From: Matthew Sloyan <matthew.sloyan@arm.com>
Date: Tue, 9 Feb 2021 16:46:14 +0000
Subject: IVGCVSW-5679 Fix Android NDK OOB build

 * Specific OOB builds will fail if flatc is not available.
 * flatc command is now only run if found.

Signed-off-by: Matthew Sloyan <matthew.sloyan@arm.com>
Change-Id: Iab6e082fe35dc3c3dfb78a29e1630c9edbb80be6
---
 src/backends/cl/CMakeLists.txt | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/backends/cl/CMakeLists.txt b/src/backends/cl/CMakeLists.txt
index 60cdaa314d..78771a027e 100644
--- a/src/backends/cl/CMakeLists.txt
+++ b/src/backends/cl/CMakeLists.txt
@@ -8,15 +8,15 @@ if(ARMCOMPUTECL)
                  HINTS ${FLATC_DIR}
                  DOC "Path to 'flatc', the flatbuffers compiler")
     if (NOT FLATC)
-        message(SEND_ERROR "flatc not found. Specify the full path of the flatc executable with -DFLATC=<flatc path>")
+        message(WARNING "flatc not found. Specify the full path of the flatc executable with -DFLATC=<flatc path>")
+    else()
+        add_custom_command(
+            # Updates ClContextSchema_generated.h if changes are made.
+            OUTPUT ClContextSchema_generated.h DEPENDS ClContextSchema.fbs
+            COMMAND ${FLATC} -o ${CMAKE_CURRENT_BINARY_DIR} --cpp ${CMAKE_CURRENT_SOURCE_DIR}/ClContextSchema.fbs
+        )
     endif()
 
-    add_custom_command(
-        # Generate an ClContextSchema_generated.h file if it doesn't exist, or update it when necessary otherwise
-        OUTPUT ClContextSchema_generated.h DEPENDS ClContextSchema.fbs
-        COMMAND ${FLATC} -o ${CMAKE_CURRENT_BINARY_DIR} --cpp ${CMAKE_CURRENT_SOURCE_DIR}/ClContextSchema.fbs
-    )
-
     list(APPEND armnnClBackend_sources
         ClContextSchema_generated.h
         ClBackend.cpp
-- 
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