CMakeLists.txt

cmake_minimum_required(VERSION 3.12)
project(externis)

execute_process(
    COMMAND gcc -print-file-name=plugin
    OUTPUT_VARIABLE GCC_PLUGIN_INCLUDE
    OUTPUT_STRIP_TRAILING_WHITESPACE
)

message("GCC plugin headers found in " ${GCC_PLUGIN_INCLUDE})

add_library(externis SHARED externis.cc tracking.cc output.cc)
target_include_directories(externis PRIVATE ${GCC_PLUGIN_INCLUDE}/include)

# Optional, useful for debugging.
find_package(fmt)
if (fmt_FOUND)
    target_link_libraries(externis PRIVATE fmt::fmt)
endif()

set_target_properties(externis PROPERTIES CXX_STANDARD 20)
set_target_properties(externis PROPERTIES COMPILE_FLAGS "-fno-rtti -g -Wall")
set_target_properties(externis PROPERTIES PREFIX "" OUTPUT_NAME "externis")
set(EXTERNIS_PLUGIN_PATH ${CMAKE_BINARY_DIR}/externis.so)
install(TARGETS externis DESTINATION ${GCC_PLUGIN_INCLUDE})

add_subdirectory(test)