mirror of git://git.sv.gnu.org/emacs.git
163 lines
5.7 KiB
Makefile
163 lines
5.7 KiB
Makefile
# Copyright 2023-2024 Free Software Foundation, Inc.
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# This file is part of GNU Emacs.
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# GNU Emacs is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# GNU Emacs is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
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# ndk-build works by including a bunch of Makefiles which set
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# variables, and then having those Makefiles include another makefile
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# which actually builds targets.
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# List of system libraries to ignore.
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NDK_SYSTEM_LIBRARIES = z libz libc c libdl dl stdc++ libstdc++ log liblog android libandroid
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# Save information.
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NDK_LOCAL_PATH_$(LOCAL_MODULE) := $(LOCAL_PATH)
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NDK_LOCAL_STATIC_LIBRARIES_$(LOCAL_MODULE) := $(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES)
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NDK_LOCAL_WHOLE_LIBRARIES_$(LOCAL_MODULE) := $(LOCAL_WHOLE_STATIC_LIBRARIES)
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NDK_LOCAL_SHARED_LIBRARIES_$(LOCAL_MODULE) := $(LOCAL_SHARED_LIBRARIES)
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NDK_LOCAL_EXPORT_CFLAGS_$(LOCAL_MODULE) := $(LOCAL_EXPORT_CFLAGS)
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NDK_LOCAL_EXPORT_C_INCLUDES_$(LOCAL_MODULE) := $(LOCAL_EXPORT_C_INCLUDES) $(LOCAL_EXPORT_C_INCLUDE_DIRS)
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NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) :=
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NDK_WHOLE_A_NAMES_$(LOCAL_MODULE) :=
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NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE) :=
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) :=
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# List of all dependencies resolved for this module thus far.
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# Used to avoid infinite recursion.
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# Separate the variable which lists modules for which CFLAGS
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# have been resolved from the variable which lists modules
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# for which library dependencies have been resolved, in order
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# to catch the case where a library dependency is skipped
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# despite its CFLAGS being added.
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NDK_RESOLVED_$(LOCAL_MODULE) :=
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NDK_RESOLVED_CFLAGS_$(LOCAL_MODULE) :=
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define ndk-resolve
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ifeq ($$(filter $(1)$(and $(3),whole),$$(NDK_RESOLVED_CFLAGS_$(LOCAL_MODULE))),)
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# Always mark this module's cflags as having been resolved, even if
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# this is a whole library.
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NDK_RESOLVED_CFLAGS_$(LOCAL_MODULE) += $(1)
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NDK_CFLAGS_$(LOCAL_MODULE) += $(NDK_LOCAL_EXPORT_CFLAGS_$(1))
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NDK_CFLAGS_$(LOCAL_MODULE) += $(addprefix -I,$(NDK_LOCAL_EXPORT_C_INCLUDES_$(1)))
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endif
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ifeq ($$(filter $(1)$(and $(3),whole),$$(NDK_RESOLVED_$(LOCAL_MODULE))),)
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# Now append local libraries, as long as this library isn't a shared
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# library itself.
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ifeq ($(4),)
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# Mark this module's library dependencies as having been resolved.
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NDK_RESOLVED_$(LOCAL_MODULE) += $(1)
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# If this is a whole library, then mark this as resolved too, and
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# remove the library from the normal static library list.
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ifneq ($(3),)
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NDK_RESOLVED_$(LOCAL_MODULE) += $(1)whole
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endif
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# If the module happens to be zlib, then add -lz to the shared library
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# flags.
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ifeq ($(strip $(1)),libz)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -lz
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endif
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ifeq ($(strip $(1)),z)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -lz
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endif
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# Likewise for libdl.
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ifeq ($(strip $(1)),libdl)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -ldl
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endif
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ifeq ($(strip $(1)),dl)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -ldl
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endif
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# Likewise for libstdc++.
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ifeq ($(strip $(1)),libstdc++)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -lstdc++
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endif
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ifeq ($(strip $(1)),dl)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -lstdc++
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endif
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# Likewise for liblog.
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ifeq ($(strip $(1)),liblog)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -llog
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endif
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ifeq ($(strip $(1)),log)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -llog
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endif
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# Likewise for libandroid.
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ifeq ($(strip $(1)),libandroid)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -landroid
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endif
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ifeq ($(strip $(1)),android)
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NDK_SO_EXTRA_FLAGS_$(LOCAL_MODULE) += -landroid
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endif
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ifeq ($(findstring $(1),$(NDK_SYSTEM_LIBRARIES))$(2)$(3),)
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ifneq ($(findstring lib,$(1)),)
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NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE) += $(1)_emacs.so
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else
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NDK_LOCAL_SO_NAMES_$(LOCAL_MODULE) += lib$(1)_emacs.so
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endif
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endif
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ifneq ($(2),)
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ifneq ($(findstring lib,$(1)),)
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NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) += $(1).a
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else
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NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) += lib$(1).a
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endif
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endif
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ifneq ($(3),)
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ifneq ($(findstring lib,$(1)),)
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NDK_WHOLE_A_NAMES_$(LOCAL_MODULE) += $(1).a
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else
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NDK_WHOLE_A_NAMES_$(LOCAL_MODULE) += lib$(1).a
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endif
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# Remove this archive from the regular archive list, should it already
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# exists. Any given archive should only appear once, and if an
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# archive has been specified as whole it should always be whole.
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NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) := $$(filter-out lib$(1).a,$$(NDK_LOCAL_A_NAMES_$(LOCAL_MODULE)))
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NDK_LOCAL_A_NAMES_$(LOCAL_MODULE) := $$(filter-out $(1).a,$$(NDK_LOCAL_A_NAMES_$(LOCAL_MODULE)))
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endif
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endif
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$$(foreach module,$$(NDK_LOCAL_STATIC_LIBRARIES_$(1)),$$(eval $$(call ndk-resolve,$$(module),1,,$(or $(4),$(if $(2)$(3),,1)))))
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$$(foreach module,$$(NDK_LOCAL_SHARED_LIBRARIES_$(1)),$$(eval $$(call ndk-resolve,$$(module),,,$(or $(4),$(if $(2)$(3),,1)))))
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$$(foreach module,$$(NDK_LOCAL_WHOLE_LIBRARIES_$(1)),$$(eval $$(call ndk-resolve,$$(module),,1,$(or $(4),$(if $(2)$(3),,1)))))
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endif
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endef
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# Add shared libraries to the shared object names when they appear as
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# a top level dependency. However, do not recursively add the names
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# of this module's shared library dependencies, if it is just a shared
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# library, since it will link to those shared libraries itself.
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$(foreach module,$(LOCAL_SHARED_LIBRARIES),$(eval $(call ndk-resolve,$(module),,,)))
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$(foreach module,$(LOCAL_STATIC_LIBRARIES),$(eval $(call ndk-resolve,$(module),1,,)))
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$(foreach module,$(LOCAL_WHOLE_STATIC_LIBRARIES), $(eval $(call ndk-resolve,$(module),,1,)))
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