Switched to cmake - AGAIN!

Yes, I know... I once used it and was still using it to create my
compile commands script but it didn't quite work. Now it does, so
I replaced my whole sh spaghetti code! :)

1 files changed, 64 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 0000000..3612ddb
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,64 @@
+cmake_minimum_required(VERSION 3.0)
+project(Melvix)
+enable_language(ASM)
+# set(CMAKE_VERBOSE_MAKEFILE on)
+set(CMAKE_COLOR_MAKEFILE on)
+set(CMAKE_EXPORT_COMPILE_COMMANDS on)
+
+find_program(CCACHE_FOUND ccache)
+if(CCACHE_FOUND)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_LINK ccache)
+endif(CCACHE_FOUND)
+
+# Melvix variables
+set(NETWORK "rtl8139")
+
+# Compiler and linker
+set(CMAKE_SHARED_LIBRARY_LINK_C_FLAGS " ")
+set(CMAKE_C_COMPILER "${CMAKE_CURRENT_SOURCE_DIR}/cross/opt/bin/i686-elf-gcc")
+set(CMAKE_ASM_COMPILER "nasm")
+set(CMAKE_LINKER "${CMAKE_CURRENT_SOURCE_DIR}/cross/opt/bin/i686-elf-gcc")
+set(CMAKE_ASM_LINKER_PREFERENCE ${CMAKE_LINKER})
+set(CMAKE_C_LINKER_PREFERENCE ${CMAKE_LINKER})
+
+# Compiler and linker flags
+set(CMAKE_C_FLAGS "-Wall -Wno-int-conversion -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdlib -ffreestanding -std=gnu99 -g -ggdb -c")
+set(CMAKE_EXE_LINKER_FLAGS "-ffreestanding -O2 -nostdlib -g -ggdb")
+set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <SOURCE> -o <OBJECT> -f elf32 -O0")
+set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_LINKER> ${CMAKE_EXE_LINKER_FLAGS} <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
+set(CMAKE_ASM_LINK_EXECUTABLE "<CMAKE_LINKER> ${CMAKE_EXE_LINKER_FLAGS} <OBJECTS> -o <TARGET> <LINK_LIBRARIES>")
+
+# Recursive sources
+file(GLOB_RECURSE kernel_sources src/kernel/*.c src/kernel/*.asm)
+file(GLOB_RECURSE resources_sources src/resources/*.c)
+file(GLOB_RECURSE user_sources src/userspace/*.c src/userspace/*.asm)
+
+# KERNEL
+add_executable(kernel ${kernel_sources})
+target_include_directories(kernel PRIVATE "src")
+set_target_properties(kernel PROPERTIES OUTPUT_NAME "${CMAKE_CURRENT_SOURCE_DIR}/build/kernel.bin")
+target_compile_options(kernel PRIVATE "-D ${NETWORK}")
+target_link_libraries(kernel PRIVATE "-T ${CMAKE_CURRENT_SOURCE_DIR}/src/kernel/linker.ld")
+
+# RESOURCES
+add_executable(resources ${resources_sources})
+set_target_properties(resources PROPERTIES OUTPUT_NAME "${CMAKE_CURRENT_SOURCE_DIR}/build/font.o")
+add_custom_command(
+        TARGET resources POST_BUILD
+        COMMAND cross/opt/bin/i686-elf-objcopy -O binary build/font.o iso/font.bin
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# USERSPACE
+add_executable(user ${user_sources})
+target_include_directories(user PUBLIC "src/userspace/")
+set_target_properties(user PROPERTIES OUTPUT_NAME "${CMAKE_CURRENT_SOURCE_DIR}/build/user.o")
+add_custom_command(
+        TARGET user POST_BUILD
+        COMMAND cross/opt/bin/i686-elf-objcopy -O binary build/user.o iso/user.bin
+        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+# Dependencies
+add_dependencies(kernel resources user)