From 47ebcbd1844a7504a665a40bb712e2b9b18588cd Mon Sep 17 00:00:00 2001
From: Yakun Xu <xyk@google.com>
Date: Fri, 1 May 2020 01:45:14 +0800
Subject: [PATCH] [cmake] add log output option (#4914)

This is required for running commissioning related tests for the
commissioning messages are retrieved from logs.
---
 CMakeLists.txt                   | 23 +++++++++++++++++++++++
 examples/apps/cli/CMakeLists.txt |  3 +++
 examples/apps/ncp/CMakeLists.txt |  4 ++++
 3 files changed, 30 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 119401e43..2b92a1bac 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -93,6 +93,27 @@ if(NOT OT_PLATFORM IN_LIST OT_EXAMPLE_PLATFORMS)
     endif()
 endif()
 
+set(OT_LOG_OUTPUT_VALUES
+    "APP"
+    "DEBUG_UART"
+    "NCP_SPINEL"
+    "NONE"
+    "PLATFORM_DEFINED"
+)
+if(OT_REFERENCE_DEVICE AND NOT OT_PLATFORM STREQUAL "posix")
+    set(OT_LOG_OUTPUT "APP" CACHE STRING "Set log output to application for reference device")
+else()
+    set(OT_LOG_OUTPUT "" CACHE STRING "Where log output goes to")
+endif()
+set_property(CACHE OT_LOG_OUTPUT PROPERTY STRINGS ${OT_LOG_OUTPUT_VALUES})
+if(OT_LOG_OUTPUT)
+    if(NOT OT_LOG_OUTPUT IN_LIST OT_LOG_OUTPUT_VALUES)
+        message(FATAL_ERROR "Log output unknown: ${OT_LOG_OUTPUT}")
+    endif()
+    list(APPEND OT_PRIVATE_DEFINES "OPENTHREAD_CONFIG_LOG_OUTPUT=OPENTHREAD_CONFIG_LOG_OUTPUT_${OT_LOG_OUTPUT}")
+    message(STATUS "Log output: ${OT_LOG_OUTPUT}")
+endif()
+
 # OT_CONFIG allows users to specify the path to OpenThread project core
 # config header file. The default value of this parameter is empty string.
 # When not specified by user (value is ""), a platform cmake file may
@@ -135,3 +156,5 @@ if(OT_PLATFORM STREQUAL "simulation")
     enable_testing()
     add_subdirectory(tests)
 endif()
+
+message(STATUS "Definitions: ${OT_PRIVATE_DEFINES}")
diff --git a/examples/apps/cli/CMakeLists.txt b/examples/apps/cli/CMakeLists.txt
index e1e074a09..b6cf08b9b 100644
--- a/examples/apps/cli/CMakeLists.txt
+++ b/examples/apps/cli/CMakeLists.txt
@@ -44,6 +44,9 @@ set(COMMON_INCLUDES
 target_include_directories(ot-cli-ftd PRIVATE ${COMMON_INCLUDES})
 target_include_directories(ot-cli-mtd PRIVATE ${COMMON_INCLUDES})
 
+target_compile_definitions(ot-cli-ftd PRIVATE ${OT_PRIVATE_DEFINES})
+target_compile_definitions(ot-cli-mtd PRIVATE ${OT_PRIVATE_DEFINES})
+
 target_link_libraries(ot-cli-ftd
     openthread-cli-ftd
     ${OT_PLATFORM_LIB}
diff --git a/examples/apps/ncp/CMakeLists.txt b/examples/apps/ncp/CMakeLists.txt
index 106911f58..1ff7f1729 100644
--- a/examples/apps/ncp/CMakeLists.txt
+++ b/examples/apps/ncp/CMakeLists.txt
@@ -49,6 +49,10 @@ target_include_directories(ot-ncp-ftd PRIVATE ${COMMON_INCLUDES})
 target_include_directories(ot-ncp-mtd PRIVATE ${COMMON_INCLUDES})
 target_include_directories(ot-rcp PRIVATE ${COMMON_INCLUDES})
 
+target_compile_definitions(ot-ncp-ftd PRIVATE ${OT_PRIVATE_DEFINES})
+target_compile_definitions(ot-ncp-mtd PRIVATE ${OT_PRIVATE_DEFINES})
+target_compile_definitions(ot-rcp PRIVATE ${OT_PRIVATE_DEFINES})
+
 target_link_libraries(ot-ncp-ftd
     openthread-ncp-ftd
     ${OT_PLATFORM_LIB}