Build improvements

cmake/FindLLVM.cmake

@@ -23,3 +23,24 @@ endif()
 
 add_library(LLVMHeaders INTERFACE IMPORTED)
 target_include_directories(LLVMHeaders INTERFACE ${LLVM_INCLUDE_DIRS})
+
+function(find_llvm_libs REQUIRED_LLVM_LIBS)
+  find_library(LLVM_SHARED_LIB LLVM NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH PATHS ${LLVM_LIBRARY_DIR})
+  set(LLVM_LIBS_TMP "" PARENT_SCOPE)
+  foreach(LIB IN LISTS REQUIRED_LLVM_LIBS)
+    find_library(LLVM_LIB ${LIB} NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH PATHS ${LLVM_LIBRARY_DIR})
+    if(LLVM_LIB OR TARGET ${LIB})
+      message(VERBOSE "Adding ${LIB}")
+      list(APPEND LLVM_LIBS_TMP ${LIB})
+    elseif(LLVM_SHARED_LIB)
+      set(LLVM_LIBS ${LLVM_SHARED_LIB} PARENT_SCOPE)
+      message(STATUS "Using shared LLVM library.")
+      return()
+    else()
+      message(FATAL_ERROR "Can't find necessary LLVM libraries")
+    endif()
+  endforeach()
+
+  set(LLVM_LIBS ${LLVM_LIBS_TMP} PARENT_SCOPE)
+  message(STATUS "Using static LLVM libraries.")
+endfunction()

cmake/Findabsl.cmake

@@ -12,7 +12,11 @@ if(absl_FOUND)
   return()
 endif()
 
-message("Abseil not found via find_package. Probably not a Conan build. Using the copy from third_party/")
+message(WARNING "To ensure Abseil is built with C++17 support,
+                 it will be built from third_party folder. 
+                 If your system already has Abseil installed with C++17 support, 
+                 you can specify the Abseil configuration directory 
+                 by setting the absl_DIR variable as a cmake argument.")
 
 set(ABSL_PROPAGATE_CXX_STD ON)
 add_subdirectory(${CMAKE_SOURCE_DIR}/third_party/abseil-cpp)

cmake/Findlibprocinfo.cmake

@@ -19,5 +19,6 @@ if(NOT MSVC)
   target_compile_options(libprocinfo PRIVATE
     -Wno-error=format=
     -Wno-error=unknown-pragmas
+    -Wno-error=ignored-attributes
   )
 endif()

src/ObjectUtils/CMakeLists.txt

@@ -4,6 +4,14 @@
 
 cmake_minimum_required(VERSION 3.15)
 
+set(REQUIRED_LLVM_LIBS LLVMDebugInfoCodeView
+                        LLVMDebugInfoDWARF
+                        LLVMDebugInfoPDB
+                        LLVMObject
+                        LLVMSymbolize)
+
+find_llvm_libs("${REQUIRED_LLVM_LIBS}")
+
 project(ObjectUtils)
 add_library(ObjectUtils STATIC)
 
@@ -55,12 +63,9 @@ target_link_libraries(
          absl::synchronization
          absl::time
          absl::span
-         LLVMDebugInfoCodeView
-         LLVMDebugInfoDWARF
-         LLVMDebugInfoPDB
          LLVMHeaders
-         LLVMObject
-         LLVMSymbolize)
+         ${LLVM_LIBS}
+         )
 
 if (WIN32)
 target_link_libraries(ObjectUtils PUBLIC DIASDK::DIASDK)

third_party/Outcome/include/outcome.hpp

@@ -20,6 +20,7 @@
 #include <boost/outcome/std_result.hpp> // IWYU pragma: export
 #include <boost/outcome/success_failure.hpp> // IWYU pragma: export
 #include <boost/outcome/try.hpp> // IWYU pragma: export
+#include <boost/version.hpp> // IWYU pragma: export
 #include <system_error>
 #include <utility>