CMake: Expose CMake options to includes

This change shuffles the order of several CMake steps to expose CMake
options to included files.

By defining options before inclusion, included files are able to access
the input provided by the build system.

Author: eigendude

CMakeLists.txt

@@ -16,18 +16,6 @@ set(CMAKE_TOOLCHAIN_FILE
 include("cmake/Hunter/init.cmake")
 project(libp2p C CXX)
 
-include(cmake/print.cmake)
-print("C flags: ${CMAKE_C_FLAGS}")
-print("CXX flags: ${CMAKE_CXX_FLAGS}")
-print("Using CMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}")
-
-include(CheckCXXCompilerFlag)
-include(cmake/install.cmake)
-include(cmake/libp2p_add_library.cmake)
-include(cmake/dependencies.cmake)
-include(cmake/functions.cmake)
-include(cmake/san.cmake)
-
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
 
 option(TESTING "Build tests" ON)
@@ -41,6 +29,18 @@ option(MSAN "Enable memory sanitizer" OFF)
 option(TSAN "Enable thread sanitizer" OFF)
 option(UBSAN "Enable UB sanitizer" OFF)
 
+include(CheckCXXCompilerFlag)
+include(cmake/install.cmake)
+include(cmake/libp2p_add_library.cmake)
+include(cmake/dependencies.cmake)
+include(cmake/functions.cmake)
+include(cmake/san.cmake)
+
+include(cmake/print.cmake)
+print("C flags: ${CMAKE_C_FLAGS}")
+print("CXX flags: ${CMAKE_CXX_FLAGS}")
+print("Using CMAKE_TOOLCHAIN_FILE=${CMAKE_TOOLCHAIN_FILE}")
+
 
 ## setup compilation flags
 if ("${CMAKE_CXX_COMPILER_ID}" MATCHES "^(AppleClang|Clang|GNU)$")