amiga-qt6/toolchain-amigaos4-clib4.cmake at dev · elfpipe/amiga-qt6 · GitHub

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# Cross mode + compilers
set(CMAKE_SYSTEM_NAME AmigaOS)
set(CMAKE_SYSTEM_PROCESSOR PowerPC)
set(CMAKE_C_COMPILER   ppc-amigaos-gcc)
set(CMAKE_CXX_COMPILER ppc-amigaos-g++)
set(CMAKE_ASM_COMPILER ppc-amigaos-as)
# set(CMAKE_MAKE_PROGRAM /usr/bin/ninja)
set(CLIB4_SYSROOT "/opt/ppc-amigaos/ppc-amigaos/SDK")     # <— adjust

# Only search the sysroot for headers/libs/packages
set(CMAKE_FIND_ROOT_PATH "${CLIB4_SYSROOT}")
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)   # host tools from host
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

# Try-compile shouldn’t try to run target binaries
set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)

# Amiga C runtime (be consistent)
set(CMAKE_C_FLAGS_INIT   "-mlongcall -mcrt=clib4 -athread=native -Wno-ignored-attributes")
set(CMAKE_CXX_FLAGS_INIT "-mlongcall -mcrt=clib4 -athread=native -Wno-ignored-attributes")
set(CMAKE_EXE_LINKER_FLAGS "-mlongcall -mcrt=clib4 -athread=native -Wl,-Bstatic")

# Force a single absolute RPATH for all executables
set(CMAKE_INSTALL_RPATH "/qt6-amiga/lib")
set(CMAKE_BUILD_WITH_INSTALL_RPATH ON)
set(CMAKE_INSTALL_RPATH_USE_LINK_PATH OFF)

# Explicitly define platform support for RPATH and SONAME on AmigaOS4
set(CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG "-Wl,-rpath,")
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")

# Ensure C++ also uses these flags
set(CMAKE_SHARED_LIBRARY_RUNTIME_CXX_FLAG "${CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG}")
set(CMAKE_SHARED_LIBRARY_RPATH_LINK_CXX_FLAG "${CMAKE_SHARED_LIBRARY_RPATH_LINK_C_FLAG}")
set(CMAKE_SHARED_LIBRARY_SONAME_CXX_FLAG "${CMAKE_SHARED_LIBRARY_SONAME_C_FLAG}")
set(CMAKE_EXE_EXPORTS_CXX_FLAG "${CMAKE_EXE_EXPORTS_C_FLAG}")

# Disable Qt's own RPATH handling to prevent extra or relative entries
set(QT_DISABLE_RPATH ON CACHE BOOL "Disable automatic Qt rpath handling." FORCE)

set(CMAKE_DL_LIBS "" CACHE STRING "No libdl on AmigaOS" FORCE)

set(UNIX 1)
set(AMIGA 1)

# Prefixes CMake will scan inside the sysroot
list(APPEND CMAKE_PREFIX_PATH
  "${CLIB4_SYSROOT}/clib4"
  "${CLIB4_SYSROOT}/local/clib4"
)

list(APPEND CMAKE_LIBRARY_PATH
  "${CLIB4_SYSROOT}/clib4/lib"
  "${CLIB4_SYSROOT}/local/clib4/lib"
)
list(APPEND CMAKE_INCLUDE_PATH
  "${CLIB4_SYSROOT}/clib4/include"
  "${CLIB4_SYSROOT}/local/clib4/include"
)