Simplify CMake files, add install support.

Author: lhames

orc-rt/CMakeLists.txt

@@ -5,25 +5,14 @@
 #===============================================================================
 
 cmake_minimum_required(VERSION 3.20.0)
-set(LLVM_SUBPROJECT_TITLE "orc-rt")
 
 set(LLVM_COMMON_CMAKE_UTILS ${CMAKE_CURRENT_SOURCE_DIR}/../cmake)
-
 include(${LLVM_COMMON_CMAKE_UTILS}/Modules/CMakePolicy.cmake
   NO_POLICY_SCOPE)
 
-# Add path for custom orc-rt modules.
-list(INSERT CMAKE_MODULE_PATH 0
-#  "${CMAKE_CURRENT_SOURCE_DIR}/cmake"
-#  "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules"
-  "${LLVM_COMMON_CMAKE_UTILS}"
-  "${LLVM_COMMON_CMAKE_UTILS}/Modules"
-  )
-
-set(CMAKE_FOLDER "orc-rt")
+project(LibOrcRT LANGUAGES C CXX ASM)
 
-set(LIBORCRT_SOURCE_DIR ${CMAKE_CURRENT_SOURCE_DIR})
-set(LIBORCRT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
+include(GNUInstallDirs)
 
 #===============================================================================
 # Setup CMake Options
@@ -32,16 +21,12 @@ set(LIBORCRT_BINARY_DIR ${CMAKE_CURRENT_BINARY_DIR})
 set(CMAKE_CXX_STANDARD 17 CACHE STRING "C++ standard to conform to")
 set(CMAKE_CXX_STANDARD_REQUIRED YES)
 set(CMAKE_CXX_EXTENSIONS NO)
-
-#================================
-# Setup Compiler Flags
-#================================
-
-# Configure compiler. Must happen after setting the target flags.
+set(CMAKE_FOLDER "orc-rt")
 
 #===============================================================================
 # Setup Source Code
 #===============================================================================
 
+add_subdirectory(include)
 add_subdirectory(lib)
 add_subdirectory(tools)

orc-rt/include/CMakeLists.txt

@@ -0,0 +1,16 @@
+set(files
+    orc-rt-c/orc-rt.h
+)
+
+add_library(orc-rt-headers INTERFACE)
+target_include_directories(orc-rt-headers INTERFACE
+    $<BUILD_INTERFACE:${PROJECT_SOURCE_DIR}/include>
+    $<INSTALL_INTERFACE:include>
+)
+target_sources(orc-rt-headers
+    INTERFACE FILE_SET HEADERS
+    BASE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}
+    FILES ${files}
+)
+install(TARGETS orc-rt-headers
+    FILE_SET HEADERS DESTINATION include)

orc-rt/lib/CMakeLists.txt

@@ -1 +1 @@
-add_subdirectory(prelink)
+add_subdirectory(executor)

orc-rt/lib/executor/CMakeLists.txt

@@ -0,0 +1,13 @@
+set(files
+  orc-rt-executor.cpp
+  )
+
+add_library(orc-rt-executor STATIC ${files})
+target_link_libraries(orc-rt-executor
+  PUBLIC orc-rt-headers
+  )
+install(TARGETS orc-rt-executor
+  ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+          COMPONENT OrcRT_Development
+  PUBLIC_HEADER DESTINATION include COMPONENT OrcRT_Development
+)

orc-rt/lib/prelink/orc-rt-prelink.cpp renamed to orc-rt/lib/executor/orc-rt-executor.cpp

@@ -1,3 +1,3 @@
 add_executable(orc-executor orc-executor.cpp)
-target_link_libraries(orc-executor PRIVATE orc-rt-prelink)
+target_link_libraries(orc-executor PRIVATE orc-rt-executor)
 target_include_directories(orc-executor PRIVATE ../../include)