54 lines
1.5 KiB
Makefile
54 lines
1.5 KiB
Makefile
#
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# Specifics for the OKL4 kernel API
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#
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#
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# Read default and builddir-specific config files
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#
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-include $(call select_from_repositories,etc/okl4.conf)
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-include $(BUILD_BASE_DIR)/etc/okl4.conf
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#
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# If no OKL4 source directory is set, we use the standard contrib directory.
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# We do this with ifeq and := as ?= would be done lazy. Forcing the
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# evaluation of $(call select_from_ports,okl4) ensures that the kernel
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# port, if missing, is added to the missing-ports list of the first build
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# stage.
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#
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ifeq ($(OKL4_DIR),)
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OKL4_DIR := $(call select_from_ports,okl4)/src/kernel/okl4
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endif
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#
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# Make sure that symlink modification times are handled correctly.
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# Otherwise, the creation of symlinks that depend on their own directory
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# behaves like a phony rule. This is because the directory mtime is
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# determined by taking the mtimes of containing symlinks into account.
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# Hence, all symlinks (except for the youngest) depend on a directory
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# with a newer mtime. The make flag -L fixes the problem. Alternatively,
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# we could use 'cp' instead of 'ln'.
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#
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MAKEFLAGS += -L
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#
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# OKL4-specific Genode headers
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#
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INC_DIR += $(BUILD_BASE_DIR)/include
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#
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# Define maximum number of threads, needed by the OKL4 kernel headers
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#
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CC_OPT += -DCONFIG_MAX_THREAD_BITS=10
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#
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# Clean rules for removing the side effects of building the platform
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# library
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#
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clean_includes:
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$(VERBOSE)rm -rf $(BUILD_BASE_DIR)/include
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clean_tool_elfweaver:
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$(VERBOSE)rm -rf $(BUILD_BASE_DIR)/tool/okl4/elfweaver
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clean cleanall: clean_includes clean_tool_elfweaver
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