Fix CMake build when Subzero submodule is missing.

By default we build SwiftShader with the LLVM backend, so the build shouldn't fail because of missing the Subzero submodule's code. Run git submodule update --init To pull the submodule if you do want to build with Subzero. Change-Id: Ib752edf891a6dd18fff8ce0dfae79ff5a1b7e011 Reviewed-on: https://swiftshader-review.googlesource.com/9088Tested-by: Nicolas Capens <capn@google.com> Reviewed-by: Alexis Hétu <sugoi@google.com> Reviewed-by: Nicolas Capens <capn@google.com>

Fix CMake build when Subzero submodule is missing.
26690edf · Nicolas Capens · 6f432a6b · 26690edf
Commit 26690edf authored Mar 31, 2017 by Nicolas Capens
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Showing with 22 additions and 20 deletions

CMakeLists.txt CMakeLists.txt +22 -20

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--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -565,7 +565,8 @@ set_target_properties(llvm PROPERTIES
 # Subzero
 ###########################################################
-set(SUBZERO_LIST
+if(${REACTOR_BACKEND} STREQUAL "Subzero")
+    set(SUBZERO_LIST
        ${SUBZERO_DIR}/src/IceAssembler.cpp
        ${SUBZERO_DIR}/src/IceCfg.cpp
        ${SUBZERO_DIR}/src/IceCfgNode.cpp
@@ -594,66 +595,67 @@ set(SUBZERO_LIST
        ${SUBZERO_DIR}/src/IceTimerTree.cpp
        ${SUBZERO_DIR}/src/IceTypes.cpp
        ${SUBZERO_DIR}/src/IceVariableSplitting.cpp
-)
+    )
-if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+    if(CMAKE_SIZEOF_VOID_P EQUAL 8)
        list(APPEND SUBZERO_LIST
            ${SUBZERO_DIR}/src/IceInstX8664.cpp
            ${SUBZERO_DIR}/src/IceTargetLoweringX8664.cpp
        )
        set(SUBZERO_TARGET X8664)
-else()
+    else()
        list(APPEND SUBZERO_LIST
            ${SUBZERO_DIR}/src/IceInstX8632.cpp
            ${SUBZERO_DIR}/src/IceTargetLoweringX8632.cpp
        )
        set(SUBZERO_TARGET X8632)
-endif()
+    endif()
-file(GLOB_RECURSE SUBZERO_DEPENDENCIES_LIST
+    file(GLOB_RECURSE SUBZERO_DEPENDENCIES_LIST
        ${SUBZERO_LLVM_DIR}/*.cpp
        ${SUBZERO_LLVM_DIR}/*.c
        ${SUBZERO_LLVM_DIR}/*.h
-)
+    )
-set(SUBZERO_REACTOR_LIST
+    set(SUBZERO_REACTOR_LIST
        ${SOURCE_DIR}/Reactor/SubzeroReactor.cpp
        ${SOURCE_DIR}/Reactor/Routine.cpp
        ${SOURCE_DIR}/Reactor/Optimizer.cpp
        ${SOURCE_DIR}/Reactor/Nucleus.hpp
        ${SOURCE_DIR}/Reactor/Routine.hpp
-)
+    )
-set(SUBZERO_INCLUDE_DIR
+    set(SUBZERO_INCLUDE_DIR
        ${SUBZERO_DIR}/
        ${SUBZERO_LLVM_DIR}/include/
        ${SUBZERO_DIR}/pnacl-llvm/include/
        ${SOURCE_DIR}/Reactor/SubmoduleCheck/
-)
+     )
-if(WIN32)
+    if(WIN32)
        list(APPEND SUBZERO_INCLUDE_DIR ${SUBZERO_LLVM_DIR}/build/Windows/include/)
-elseif(LINUX)
+    elseif(LINUX)
        list(APPEND SUBZERO_INCLUDE_DIR ${SUBZERO_LLVM_DIR}/build/Linux/include/)
-elseif(APPLE)
+    elseif(APPLE)
        list(APPEND SUBZERO_INCLUDE_DIR ${SUBZERO_LLVM_DIR}/build/MacOS/include/)
-endif()
+    endif()
-add_library(ReactorSubzero STATIC
+    add_library(ReactorSubzero STATIC
        ${SUBZERO_LIST}
        ${SUBZERO_DEPENDENCIES_LIST}
        ${SUBZERO_REACTOR_LIST}
-)
+    )
-set_target_properties(ReactorSubzero PROPERTIES
+    set_target_properties(ReactorSubzero PROPERTIES
        POSITION_INDEPENDENT_CODE 1
        INCLUDE_DIRECTORIES "${SUBZERO_INCLUDE_DIR}"
        COMPILE_DEFINITIONS "SZTARGET=${SUBZERO_TARGET}; ALLOW_DUMP=0; ALLOW_TIMERS=0; ALLOW_LLVM_CL=0; ALLOW_LLVM_IR=0; ALLOW_LLVM_IR_AS_INPUT=0; ALLOW_MINIMAL_BUILD=0; ALLOW_WASM=0; ICE_THREAD_LOCAL_HACK=0;"
        FOLDER "Subzero"
-)
+    )
-if(WIN32)
+    if(WIN32)
        target_compile_definitions(ReactorSubzero PRIVATE SUBZERO_USE_MICROSOFT_ABI)
+    endif()
 endif()
 ###########################################################