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101 lines
2.7 KiB
Makefile
101 lines
2.7 KiB
Makefile
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##
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## Rules for building a static library archive (.lib.a)
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##
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## The following variables must be passed when calling this file:
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##
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## LIB - library name
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## BASE_DIR - base directory of the build system
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## VERBOSE - build verboseness modifier
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## VERBOSE_DIR - verboseness modifier for changing directories
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## VERBOSE_MK - verboseness of make calls
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## BUILD_BASE_DIR - base of build directory tree
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## LIB_CACHE_DIR - library build cache location
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## INSTALL_DIR - installation directory for stripped shared objects
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## DEBUG_DIR - installation directory for unstripped shared objects
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## SHARED_LIBS - shared-library dependencies of the library
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## ARCHIVES - archive dependencies of the library
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## REP_DIR - repository where the library resides
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## CONTRIB_DIR - location of ported 3rd-party source codes
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##
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LIB_A := $(addsuffix .lib.a,$(LIB))
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#
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# Prevent <libname>.mk rules to be executed as default rule
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#
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all:
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@true # prevent nothing-to-be-done message
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#
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# Include common utility functions
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#
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include $(BASE_DIR)/mk/util.inc
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#
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# Include specifics, for example platform, kernel-api etc.
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#
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include $(SPEC_FILES)
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ORIG_INC_DIR := $(INC_DIR)
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#
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# Include library build instructions
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#
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# We set the 'called_from_lib_mk' variable to allow the library description file
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# to respond to the build pass.
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#
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called_from_lib_mk = yes
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include $(LIB_MK)
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#
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# Include lib-import descriptions of all used libraries and the target library
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#
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include $(foreach LIB,$(LIBS),$(call select_from_repositories,lib/import/import-$(LIB).mk))
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#
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# Sanity check for INC_DIR overrides
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#
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ifneq ($(filter-out $(INC_DIR),$(ORIG_INC_DIR)),)
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all: error_inc_dir_override
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endif
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error_inc_dir_override:
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@$(ECHO) "Error: INC_DIR overridden instead of appended" ; false
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#
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# Include global definitions
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#
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include $(BASE_DIR)/mk/global.mk
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include $(BASE_DIR)/mk/generic.mk
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#
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# Trigger the creation of the <libname>.lib.a
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#
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LIB_TAG := $(addsuffix .lib.tag,$(LIB))
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all: $(LIB_TAG)
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#
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# Trigger the build of host tools
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#
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# We make '$(LIB_TAG)' depend on the host tools to support building host tools
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# from pseudo libraries with no actual source code. In this case '$(OBJECTS)'
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# is empty.
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#
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$(LIB_TAG) $(OBJECTS): $(HOST_TOOLS)
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#
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# Rule to build the <libname>.lib.a file
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#
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# Use $(OBJECTS) instead of $^ for specifying the list of objects to include
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# in the archive because $^ may also contain non-object phony targets, e.g.,
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# used by the integration of Qt's meta-object compiler into the Genode
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# build system.
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#
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$(LIB_A): $(OBJECTS)
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$(MSG_MERGE)$(LIB_A)
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$(VERBOSE)$(RM) -f $@
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$(VERBOSE)$(AR) -rcs $@ $(OBJECTS)
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$(LIB_TAG): $(CUSTOM_TARGET_DEPS) $(LIB_A)
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@touch $@
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