Use early return to avoid indenting all of CMakeLists.txt

2017-10-16 20:17:29 +01:00
parent 517d46c333
commit 51ee1bdc2d
1 changed files with 83 additions and 84 deletions
@@ -11,96 +11,95 @@ if (NOT ${LLVM_FOUND})
    find_package(LLVM 3.9 QUIET PATHS ${HIPIFY_CLANG_LLVM_DIR} NO_DEFAULT_PATH)
    if (NOT ${LLVM_FOUND})
        message(STATUS "hipify-clang will not be built. To build it please specify absolute path to LLVM 3.8 or LLVM 3.9 package/dist using -DHIPIFY_CLANG_LLVM_DIR")
+        return()
    endif()
 endif()

-if (${LLVM_FOUND})
-    list(APPEND CMAKE_MODULE_PATH ${LLVM_CMAKE_DIR})
-    include(AddLLVM)
+list(APPEND CMAKE_MODULE_PATH ${LLVM_CMAKE_DIR})
+include(AddLLVM)

-    message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")
+message(STATUS "Found LLVM ${LLVM_PACKAGE_VERSION}")

-    include_directories(${LLVM_INCLUDE_DIRS})
-    link_directories(${LLVM_LIBRARY_DIRS})
-    add_definitions(${LLVM_DEFINITIONS})
-    add_llvm_executable(hipify-clang src/Cuda2Hip.cpp)
+include_directories(${LLVM_INCLUDE_DIRS})
+link_directories(${LLVM_LIBRARY_DIRS})
+add_definitions(${LLVM_DEFINITIONS})
+add_llvm_executable(hipify-clang src/Cuda2Hip.cpp)

-    set(CMAKE_CXX_COMPILER ${LLVM_TOOLS_BINARY_DIR}/clang++)
-    set(CMAKE_C_COMPILER ${LLVM_TOOLS_BINARY_DIR}/clang)
+set(CMAKE_CXX_COMPILER ${LLVM_TOOLS_BINARY_DIR}/clang++)
+set(CMAKE_C_COMPILER ${LLVM_TOOLS_BINARY_DIR}/clang)

-    # Link against LLVM and CLANG libraries
-    target_link_libraries(hipify-clang
-        clangASTMatchers
-        clangFrontend
-        clangTooling
-        clangParse
-        clangSerialization
-        clangSema
-        clangEdit
-        clangFormat
-        clangLex
-        clangAnalysis
-        clangDriver
-        clangAST
-        clangToolingCore
-        clangRewrite
-        clangBasic
-        LLVMProfileData
-        LLVMSupport
-        LLVMMCParser
-        LLVMMC
-        LLVMBitReader
-        LLVMOption
-        LLVMCore)
+# Link against LLVM and CLANG libraries
+target_link_libraries(hipify-clang
+    clangASTMatchers
+    clangFrontend
+    clangTooling
+    clangParse
+    clangSerialization
+    clangSema
+    clangEdit
+    clangFormat
+    clangLex
+    clangAnalysis
+    clangDriver
+    clangAST
+    clangToolingCore
+    clangRewrite
+    clangBasic
+    LLVMProfileData
+    LLVMSupport
+    LLVMMCParser
+    LLVMMC
+    LLVMBitReader
+    LLVMOption
+    LLVMCore)

-    if(WIN32)
-        target_link_libraries(hipify-clang version)
-    endif()
-
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS}")
-    if(MSVC)
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR- /EHs- /EHc-")
-        set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} /SUBSYSTEM:WINDOWS")
-    else()
-        set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -pthread -fno-rtti -fvisibility-inlines-hidden")
-    endif()
-
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHIPIFY_CLANG_RES=\\\"${LLVM_LIBRARY_DIRS}/clang/${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}\\\"")
-
-    install(TARGETS hipify-clang DESTINATION bin)
-
-    if (HIPIFY_CLANG_TESTS)
-        # tests
-        set(Python_ADDITIONAL_VERSIONS 2.7)
-        include(FindPythonInterp)
-        if(NOT PYTHONINTERP_FOUND)
-            message(FATAL_ERROR
-                "Unable to find Python interpreter, required for builds and testing.\n\n"
-                "Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
-        endif()
-
-        find_program(LIT_COMMAND lit)
-
-        set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
-
-        configure_file(
-            ${CMAKE_SOURCE_DIR}/tests/hipify-clang/lit.site.cfg.in
-            ${CMAKE_CURRENT_BINARY_DIR}/tests/hipify-clang/lit.site.cfg
-            @ONLY)
-
-        add_lit_testsuite(test-hipify "Running HIPify regression tests"
-            ${CMAKE_SOURCE_DIR}/tests/hipify-clang
-            PARAMS site_config=${CMAKE_CURRENT_BINARY_DIR}/tests/hipify-clang/lit.site.cfg
-            DEPENDS hipify-clang lit
-            )
-
-        add_custom_target(test-hipify-clang)
-        add_dependencies(test-hipify-clang test-hipify)
-        set_target_properties(test-hipify-clang PROPERTIES FOLDER "Tests")
-    endif()
-
-    if (PARENT_SCOPE)
-        set(BUILD_HIPIFY_CLANG 1 PARENT_SCOPE)
-    endif()
+if(WIN32)
+    target_link_libraries(hipify-clang version)
+endif()
+
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${EXTRA_CFLAGS}")
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${EXTRA_CFLAGS}")
+if(MSVC)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /GR- /EHs- /EHc-")
+    set(CMAKE_CXX_LINK_FLAGS "${CMAKE_CXX_LINK_FLAGS} /SUBSYSTEM:WINDOWS")
+else()
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -pthread -fno-rtti -fvisibility-inlines-hidden")
+endif()
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DHIPIFY_CLANG_RES=\\\"${LLVM_LIBRARY_DIRS}/clang/${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}\\\"")
+
+install(TARGETS hipify-clang DESTINATION bin)
+
+if (HIPIFY_CLANG_TESTS)
+    # tests
+    set(Python_ADDITIONAL_VERSIONS 2.7)
+    include(FindPythonInterp)
+    if(NOT PYTHONINTERP_FOUND)
+        message(FATAL_ERROR
+            "Unable to find Python interpreter, required for builds and testing.\n\n"
+            "Please install Python or specify the PYTHON_EXECUTABLE CMake variable.")
+    endif()
+
+    find_program(LIT_COMMAND lit)
+
+    set(BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
+
+    configure_file(
+        ${CMAKE_SOURCE_DIR}/tests/hipify-clang/lit.site.cfg.in
+        ${CMAKE_CURRENT_BINARY_DIR}/tests/hipify-clang/lit.site.cfg
+        @ONLY)
+
+    add_lit_testsuite(test-hipify "Running HIPify regression tests"
+        ${CMAKE_SOURCE_DIR}/tests/hipify-clang
+        PARAMS site_config=${CMAKE_CURRENT_BINARY_DIR}/tests/hipify-clang/lit.site.cfg
+        DEPENDS hipify-clang lit
+        )
+
+    add_custom_target(test-hipify-clang)
+    add_dependencies(test-hipify-clang test-hipify)
+    set_target_properties(test-hipify-clang PROPERTIES FOLDER "Tests")
+endif()
+
+if (PARENT_SCOPE)
+    set(BUILD_HIPIFY_CLANG 1 PARENT_SCOPE)
 endif()