cmake_minimum_required(VERSION 3.10)
project(Lindbergh)

# Set compiler and linker
set(CMAKE_C_COMPILER gcc)
set(CMAKE_CXX_COMPILER g++)
set(CMAKE_LINKER g++)

# Define output directories
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/build)
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/build)
set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/build)

# Source files for various targets
file(GLOB LIND_OBJS "src/lindbergh/*.c" "src/lindbergh/shaderWork/*.c")
list(FILTER LIND_OBJS EXCLUDE REGEX "src/lindbergh/lindbergh.c")

file(GLOB XDIFF_SRCS "src/libxdiff/xdiff/*.c")

# Custom compiler and linker flags
set(LINDBERGH_EXE -m32 -DCOMPILING_LINDBERGH_ELF)
set(LINDBERGH_C_FLAGS -g -fPIC -m32 -Wall -Werror -Wno-unused-variable -Wno-unused-function -D_GNU_SOURCE)
#SET(CMAKE_C_FLAGS_DEBUG -g)
SET(CMAKE_C_FLAGS_RELEASE -O3)
set(LIBXDIFF_C_FLAGS -DHAVE_CONFIG_H -fPIC -m32)
set(LIBSEGAAPI_C_FLAGS -m32 -fPIC -shared)
set(LIBSEGAAPI_LINKER_FLAGS -m32 -Wl,-Bstatic -lFAudio -Wl,-Bdynamic -lm)
set(SHARED_LINKER_FLAGS -m32 -Wl,-z,defs -rdynamic -static-libstdc++ -static-libgcc -lc -ldl -lGL -lglut -lX11 -lXcursor -lSDL3 -lSDL3_ttf -lSDL3_image -ludev -lm -lpthread -shared -lstdc++ -nostdlib)

# Build executable for lindbergh
add_executable(lindyloader src/lindbergh/lindbergh.c src/lindbergh/iniParser.c src/lindbergh/sdlInput.c src/lindbergh/controlIniGen.c src/lindbergh/log.c src/lindbergh/jvs.c src/lindbergh/config.c src/lindbergh/evdevInput.c src/lindbergh/gameData.c src/lindbergh/configIni.c)
set_target_properties(lindyloader PROPERTIES OUTPUT_NAME "lindbergh")
# set_target_properties(lindyloader PROPERTIES RUNTIME_OUTPUT_DIRECTORY ${CMAKE_RUNTIME_OUTPUT_DIRECTORY} LINK_FLAGS "-m32 -lm -lSDL3")
target_compile_options(lindyloader PRIVATE ${LINDBERGH_EXE})
# target_link_libraries(lindyloader "-m32 -lm -sdl3")
target_link_libraries(lindyloader PRIVATE lindbergh m SDL3)

# Build static library libxdiff.a with its own flags
add_library(xdiff STATIC ${XDIFF_SRCS})
set_target_properties(xdiff PROPERTIES OUTPUT_NAME xdiff ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_ARCHIVE_OUTPUT_DIRECTORY} LINK_FLAGS "-m32")
target_compile_options(xdiff PRIVATE ${LIBXDIFF_C_FLAGS})

# Build shared library lindbergh.so
add_library(lindbergh SHARED ${LIND_OBJS})
set_target_properties(lindbergh PROPERTIES PREFIX "")
target_link_libraries(lindbergh xdiff ${SHARED_LINKER_FLAGS})
target_compile_options(lindbergh PRIVATE ${LINDBERGH_C_FLAGS})

# Build shared library libsegaapi.so
add_library(segaapi SHARED src/libsegaapi/libsegaapi.c)
target_link_libraries(segaapi ${LIBSEGAAPI_LINKER_FLAGS})
target_compile_options(segaapi PRIVATE ${LIBSEGAAPI_C_FLAGS})

# Build shared library libkswapapi.so
add_library(kswapapi SHARED src/libkswapapi/libkswapapi.c)
target_link_libraries(kswapapi ${SHARED_LINKER_FLAGS})
target_compile_options(kswapapi PRIVATE ${LINDBERGH_C_FLAGS})

# Build shared library libposixtime.so
add_library(posixtime SHARED src/libposixtime/libposixtime.c)
set_target_properties(posixtime PROPERTIES OUTPUT_NAME posixtime LINK_FLAGS "-m32")
add_custom_command(TARGET posixtime POST_BUILD
    COMMAND ln -s -f libposixtime.so ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libposixtime.so.1
    COMMAND ln -s -f libposixtime.so ${CMAKE_LIBRARY_OUTPUT_DIRECTORY}/libposixtime.so.2.4)
target_compile_options(posixtime PRIVATE ${LINDBERGH_C_FLAGS})

# Example: List of extra files and directories to remove during 'make clean'
set(MY_EXTRA_CLEAN_STUFF
    "${CMAKE_BINARY_DIR}/build/libposixtime.so.1"          # A specific log file
    "${CMAKE_BINARY_DIR}/build/libposixtime.so.2.4"  # A directory with generated reports
)

set_directory_properties(PROPERTIES ADDITIONAL_CLEAN_FILES "${MY_EXTRA_CLEAN_STUFF}")