Start work on chapter 8 code for compilers

08/CMakeLists.txt

@@ -1,8 +1,12 @@
 cmake_minimum_required(VERSION 3.1)
 project(compiler)
 
+# Find all the required packages
 find_package(BISON)
 find_package(FLEX)
+find_package(LLVM REQUIRED CONFIG)
+
+# Set up the flex and bison targets
 bison_target(parser
     ${CMAKE_CURRENT_SOURCE_DIR}/parser.y
     ${CMAKE_CURRENT_BINARY_DIR}/parser.cpp
@@ -12,6 +16,10 @@ flex_target(scanner
     ${CMAKE_CURRENT_BINARY_DIR}/scanner.cpp)
 add_flex_bison_dependency(scanner parser)
 
+# Find all the relevant LLVM components
+llvm_map_components_to_libnames(LLVM_LIBS core x86asmparser x86codegen)
+
+# Create compiler executable
 add_executable(compiler
     ast.cpp ast.hpp definition.cpp
     type_env.cpp type_env.hpp
@@ -24,5 +32,10 @@ add_executable(compiler
     ${FLEX_scanner_OUTPUTS}
     main.cpp
 )
+
+# Configure compiler executable
 target_include_directories(compiler PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 target_include_directories(compiler PUBLIC ${CMAKE_CURRENT_BINARY_DIR})
+target_include_directories(compiler PUBLIC ${LLVM_DEFINITIONS})
+target_compile_definitions(compiler PUBLIC ${LLVM_DEFINITIONS})
+target_link_libraries(compiler ${LLVM_LIBS})