meta: replace cmake mono-build system with a custom build co-ordinator

every system component now has its own self-contained build system, and a
seed file describing the component and its build system and dependencies.

a new tool, meadow, collects and uses these seed files to build the
components into a full system. meadow also manages the target system root
and a host prefix where toolchain tools are installed to.

the build system has also been updated to use a new $ARCH-rosetta-gcc
compiler, and the patches files necessary to build it have been
added to toolchain/cross-compiler.
This commit is contained in:
2026-07-19 13:34:32 +01:00
parent 59034be9e6
commit 1ec33767ab
104 changed files with 7111 additions and 257 deletions
+35 -5
View File
@@ -1,10 +1,12 @@
set(CMAKE_SYSTEM_NAME Rosetta)
set(CMAKE_SYSTEM_PROCESSOR x86_64)
set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
#set(CMAKE_TRY_COMPILE_TARGET_TYPE "STATIC_LIBRARY")
set(CMAKE_C_COMPILER_WORKS TRUE)
set(CMAKE_CXX_COMPILER_WORKS TRUE)
find_program(C_COMPILER x86_64-elf-gcc REQUIRED)
find_program(CXX_COMPILER x86_64-elf-g++ REQUIRED)
find_program(C_COMPILER x86_64-rosetta-gcc REQUIRED)
find_program(CXX_COMPILER x86_64-rosetta-g++ REQUIRED)
#find_program(ASM_COMPILER x86_64-elf-as REQUIRED)
add_compile_definitions(__magenta__=1 __rosetta__=1)
@@ -13,17 +15,45 @@ set(CMAKE_C_COMPILER ${C_COMPILER})
set(CMAKE_CXX_COMPILER ${CXX_COMPILER})
#set(CMAKE_ASM_COMPILER ${ASM_COMPILER})
SET(CMAKE_C_FLAGS "-ffreestanding -nostdlib -z max-page-size=0x1000 -m64 -mcmodel=large -mno-red-zone -mno-mmx -mno-sse -mno-sse2 -D_64BIT -DBYTE_ORDER=1234" CACHE STRING "" FORCE)
set(CMAKE_SHARED_LINKER_FLAGS "-Wl,-shared" CACHE STRING "" FORCE)
SET(CMAKE_C_FLAGS "-z max-page-size=0x1000 -m64 -mcmodel=large -mno-red-zone -mno-mmx -mno-sse -mno-sse2 -D_64BIT -DBYTE_ORDER=1234" CACHE STRING "" FORCE)
set(CMAKE_SHARED_LINKER_FLAGS "-shared" CACHE STRING "" FORCE)
set(CMAKE_EXE_LINKER_FLAGS "-Wl,--unresolved-symbols=report-all,--dynamic-linker=/lib/ld64.so" CACHE STRING "" FORCE)
set(CMAKE_C_LINK_OPTIONS_PIE "-pie")
set(CMAKE_C_LINK_PIE_SUPPORTED TRUE)
set(CMAKE_C_LINK_NO_PIE_SUPPORTED TRUE)
SET(CMAKE_ASM_FLAGS "${CFLAGS} -x assembler-with-cpp")
if ("$ENV{ROSETTA_SYSROOT}" STREQUAL "")
message(FATAL_ERROR "No system root has been specified. Please define the $ROSETTA_SYSROOT environment variable")
endif ()
set(CMAKE_SYSROOT $ENV{ROSETTA_SYSROOT})
set(CMAKE_SYSTEM_LIBRARY_PATH
$ENV{ROSETTA_SYSROOT}/lib
$ENV{ROSETTA_SYSROOT}/usr/lib)
set(CMAKE_C_OUTPUT_EXTENSION .o)
set(CMAKE_CXX_OUTPUT_EXTENSION .o)
set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
set(CMAKE_DL_LIBS "dl")
set(CMAKE_INSTALL_RPATH \$ORIGIN/../lib)
set(CMAKE_SKIP_BUILD_RPATH FALSE)
set(CMAKE_BUILD_WITH_INSTALL_RPATH TRUE)
#set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
#set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG_SEP ":")
set(CMAKE_SHARED_LIBRARY_RPATH_ORIGIN_TOKEN "\$ORIGIN")
set(CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG "-Wl,-rpath-link,")
set(CMAKE_SHARED_LIBRARY_SONAME_C_FLAG "-Wl,-soname,")
set(CMAKE_EXE_EXPORTS_C_FLAG "-Wl,--export-dynamic")
set(CMAKE_C_LINK_GROUP_USING_cross_refs_SUPPORTED TRUE)
set(CMAKE_C_LINK_GROUP_USING_cross_refs
"LINKER:--start-group"
"LINKER:--end-group"
)
set(CMAKE_PLATFORM_USES_PATH_WHEN_NO_SONAME 1)
link_libraries(-lgcc)