Cmake modules (#598)

Author: sfod

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.9)
+cmake_minimum_required(VERSION 3.9...3.31)
 project(aws-crt-nodejs C)
 option(BUILD_DEPS "Builds aws common runtime dependencies as part of build, only do this if you don't want to control your dependency chain." ON)
 
@@ -14,21 +14,7 @@ if (NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE RelWithDebInfo)
 endif()
 
-if (UNIX AND NOT APPLE)
-    include(GNUInstallDirs)
-elseif(NOT DEFINED CMAKE_INSTALL_LIBDIR)
-    set(CMAKE_INSTALL_LIBDIR "lib")
-endif()
-
-if (${CMAKE_INSTALL_LIBDIR} STREQUAL "lib64")
-    set(FIND_LIBRARY_USE_LIB64_PATHS true)
-endif()
-
-# This is required in order to append /lib/cmake to each element in CMAKE_PREFIX_PATH
-set(AWS_MODULE_DIR "/${CMAKE_INSTALL_LIBDIR}/cmake")
-string(REPLACE ";" "${AWS_MODULE_DIR};" AWS_MODULE_PATH "${CMAKE_PREFIX_PATH}${AWS_MODULE_DIR}")
-# Append that generated list to the module search path
-list(APPEND CMAKE_MODULE_PATH ${AWS_MODULE_PATH})
+include(GNUInstallDirs)
 
 set(CMAKE_INSTALL_PREFIX "${CMAKE_CURRENT_SOURCE_DIR}/dist")
 
@@ -76,12 +62,13 @@ if (BUILD_DEPS)
 
     set(BUILD_TESTING ${BUILD_TESTING_PREV})
 else()
+    # this is required so we can use aws-c-common's CMake modules
+    find_package(aws-c-common REQUIRED)
+
     include(AwsFindPackage)
     set(IN_SOURCE_BUILD OFF)
 endif()
 
-list(APPEND CMAKE_MODULE_PATH "${CMAKE_PREFIX_PATH}/${CMAKE_INSTALL_LIBDIR}/cmake")
-
 include(AwsCFlags)
 include(AwsSharedLibSetup)
 include(AwsSanitizers)