From bf00c15b2318776fe7057cee33018b18b33abbc0 Mon Sep 17 00:00:00 2001
From: Vincent Rabaud <vrabaud@google.com>
Date: Thu, 27 Jun 2019 11:36:07 +0200
Subject: Add CMake option for bittrace.

Change-Id: I9f09eb2c0afdac41e94bc10dfedd1fd004c45731
---
 CMakeLists.txt | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'CMakeLists.txt')

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f4750e4..d5c2646a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -17,6 +17,8 @@ option(WEBP_BUILD_WEBP_JS "Emscripten build of webp.js." OFF)
 option(WEBP_NEAR_LOSSLESS "Enable near-lossless encoding" ON)
 option(WEBP_ENABLE_SWAP_16BIT_CSP "Enable byte swap for 16 bit colorspaces."
        OFF)
+set(WEBP_BITTRACE "0" CACHE STRING "Bit trace mode (0=none, 1=bit, 2=bytes)")
+set_property(CACHE WEBP_BITTRACE PROPERTY STRINGS 0 1 2)
 
 # Option needed for handling Unicode file names on Windows.
 if(WIN32)
@@ -55,6 +57,10 @@ if(WEBP_ENABLE_SWAP_16BIT_CSP)
   add_definitions(-DWEBP_SWAP_16BIT_CSP=1)
 endif()
 
+if(NOT WEBP_BITTRACE STREQUAL "0")
+  add_definitions(-DBITTRACE=${WEBP_BITTRACE})
+endif()
+
 if(WEBP_UNICODE)
   # Windows recommends setting both UNICODE and _UNICODE.
   add_definitions(-DUNICODE -D_UNICODE)
-- 
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