build: make cmake setup actually work

CMakeLists.txt

@@ -2,28 +2,39 @@ cmake_minimum_required(VERSION 3.4.3)
 project(gen8)
 
 file(GLOB SOURCES_SRC src/*.cpp src/*.h)
+add_executable(gen8 ${SOURCES_SRC})
 
-add_subdirectory(llvm/llvm)
+set(LLVM_ENABLE_PROJECTS clang CACHE STRING "")
+set(LLVM_TARGETS_TO_BUILD X86 CACHE STRING "")
 
-include_directories(${LLVM_INCLUDE_DIRS})
-link_directories(${LLVM_LIBRARY_DIRS})
-add_definitions(${LLVM_DEFINITIONS})
+set(LLVM_ENABLE_BINDINGS OFF CACHE BOOL "")
+set(LLVM_ENABLE_DIA_SDK OFF CACHE BOOL "")
+set(LLVM_ENABLE_OCAMLDOC OFF CACHE BOOL "")
 
-add_executable(gen8 ${SOURCES_SRC})
+set(LLVM_INCLUDE_BENCHMARKS OFF CACHE BOOL "")
+set(LLVM_INCLUDE_DOCS OFF CACHE BOOL "")
+set(LLVM_INCLUDE_EXAMPLES OFF CACHE BOOL "")
+set(LLVM_INCLUDE_GO_TESTS OFF CACHE BOOL "")
+set(LLVM_INCLUDE_RUNTIMES OFF CACHE BOOL "")
+set(LLVM_INCLUDE_TESTS OFF CACHE BOOL "")
+set(LLVM_INCLUDE_UTILS OFF CACHE BOOL "")
+
+add_subdirectory(llvm/llvm)
 
-llvm_map_components_to_libnames(
-  LLVM_COMPONENT_LIBS
-  x86asmparser
-  bitreader
-  support
-  mc
-  option
-  profiledata
+set(LLVM_INCLUDE_DIRS
+  ${LLVM_SOURCE_DIR}/include
+  ${LLVM_BINARY_DIR}/include
+)
+llvm_map_components_to_libnames(LLVM_LIBS
+  Option
+  Support
 )
 
-target_link_libraries(
-  gen8
-  ${LLVM_COMPONENT_LIBS}
+set(CLANG_INCLUDE_DIRS
+  ${LLVM_EXTERNAL_CLANG_SOURCE_DIR}/include
+  ${LLVM_BINARY_DIR}/tools/clang/include
+)
+set(CLANG_LIBS
   clangAST
   clangASTMatchers
   clangAnalysis
@@ -39,3 +50,12 @@ target_link_libraries(
   clangSerialization
   clangTooling
 )
+
+target_include_directories(gen8 PRIVATE
+  ${LLVM_INCLUDE_DIRS}
+  ${CLANG_INCLUDE_DIRS}
+)
+target_link_libraries(gen8
+  ${LLVM_LIBS}
+  ${CLANG_LIBS}
+)

src/main.cpp

@@ -0,0 +1,13 @@
+#include "clang/AST/AST.h"
+#include "clang/AST/ASTConsumer.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/RecursiveASTVisitor.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include "clang/Driver/Options.h"
+#include "clang/Frontend/ASTConsumers.h"
+#include "clang/Frontend/CompilerInstance.h"
+#include "clang/Frontend/FrontendActions.h"
+#include "clang/Rewrite/Core/Rewriter.h"
+#include "clang/Tooling/CommonOptionsParser.h"
+#include "clang/Tooling/Tooling.h"