CMake: Add flag for controlling the logging level

Wrapped in a `if(NOT DEFINED SWIFTSHADER_LOGGING_LEVEL)` so that it can be controlled by a parent project with a simple `set()`, much like `option_if_not_defined()`. Bug: b/169966461 Change-Id: I53a072289e6eac589e7640970045174076492774 Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/48948 Kokoro-Result: kokoro <noreply+kokoro@google.com> Reviewed-by: Nicolas Capens <nicolascapens@google.com> Tested-by: Ben Clayton <bclayton@google.com>

CMake: Add flag for controlling the logging level
cbb5a10e · Ben Clayton · 01144ed9 · cbb5a10e
Commit cbb5a10e authored Oct 03, 2020 by Ben Clayton
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CMakeLists.txt CMakeLists.txt +9 -0

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -166,6 +166,11 @@ set_property(CACHE SWIFTSHADER_LLVM_VERSION PROPERTY STRINGS "10.0")
 set(REACTOR_DEFAULT_OPT_LEVEL "Default" CACHE STRING "Reactor default optimization level")
 set_property(CACHE REACTOR_DEFAULT_OPT_LEVEL PROPERTY STRINGS "None" "Less" "Default" "Aggressive")

+if(NOT DEFINED SWIFTSHADER_LOGGING_LEVEL)
+    set(SWIFTSHADER_LOGGING_LEVEL "Info" CACHE STRING "SwiftShader logging level")
+    set_property(CACHE SWIFTSHADER_LOGGING_LEVEL PROPERTY STRINGS "Verbose" "Debug" "Info" "Warn" "Error" "Fatal" "Disabled")
+endif()
+
 # LLVM disallows calling cmake . from the main LLVM dir, the reason is that
 # it builds header files that could overwrite the orignal ones. Here we
 # want to include LLVM as a subdirectory and even though it wouldn't cause
@@ -553,6 +558,10 @@ if(REACTOR_DEFAULT_OPT_LEVEL)
    list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DREACTOR_DEFAULT_OPT_LEVEL=${REACTOR_DEFAULT_OPT_LEVEL}")
 endif()

+if(DEFINED SWIFTSHADER_LOGGING_LEVEL)
+    list(APPEND SWIFTSHADER_COMPILE_OPTIONS "-DSWIFTSHADER_LOGGING_LEVEL=${SWIFTSHADER_LOGGING_LEVEL}")
+endif()
+
 if(WIN32)
    add_definitions(-DWINVER=0x501 -DNOMINMAX -DSTRICT)
    set(CMAKE_FIND_LIBRARY_PREFIXES ${CMAKE_FIND_LIBRARY_PREFIXES} "" "lib")