From 1bdb2d64c929cb1fcefcb6d57d62130ce16911c5 Mon Sep 17 00:00:00 2001
From: Stefano Sanfilippo <a.little.coder@gmail.com>
Date: Mon, 9 Dec 2019 18:44:36 +0100
Subject: [PATCH] Build system fixes.

---
 CMakeLists.txt        | 2 +-
 cmake/FindRagel.cmake | 2 +-
 src/CMakeLists.txt    | 4 ++++
 3 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index d056c7a..f9efdf0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,7 +15,7 @@ include(Doxycelli)
 if (MSVC)
   add_compile_options(/W4 /WX)
 else()
-  add_compile_options(-Wall -Wextra -pedantic -Werror)
+  add_compile_options(-Wall -Wextra -pedantic -Werror -Wno-unused-parameter)
 endif()
 
 add_subdirectory(src)
diff --git a/cmake/FindRagel.cmake b/cmake/FindRagel.cmake
index 52c7501..9b41b14 100644
--- a/cmake/FindRagel.cmake
+++ b/cmake/FindRagel.cmake
@@ -3,7 +3,7 @@
 
 find_program(RAGEL_EXECUTABLE ragel)
 
-if (${RAGEL_EXECUTABLE} STREQUAL "RAGEL-NOTFOUND")
+if (${RAGEL_EXECUTABLE} STREQUAL "RAGEL_EXECUTABLE-NOTFOUND")
   message(FATAL_ERROR "Please install ragel to compile Monicelli.")
 else()
   message(STATUS "Found Ragel: ${RAGEL_EXECUTABLE}")
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 9d6fdce..12b2104 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -39,6 +39,10 @@ set_target_properties(mcc lexer
     CXX_STANDARD_REQUIRED true
 )
 
+target_include_directories(mcc PRIVATE ${LLVM_INCLUDE_DIRS})
+
+target_compile_definitions(mcc PRIVATE ${LLVM_DEFINITIONS})
+
 target_link_libraries(mcc PRIVATE lexer)
 
 llvm_config(mcc