113 lines
4.6 KiB
Makefile
113 lines
4.6 KiB
Makefile
# ndk-build-helper-1.mk -- Helper for ndk-build.m4.
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# Copyright (C) 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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# Print out information now defined. Important details include:
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# - list of source files to compile.
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# - module export include directories.
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# - module export CFLAGS.
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# - module export LDFLAGS.
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# - module name.
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build_kind = shared
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NDK_SO_NAMES =
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NDK_A_NAMES =
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# Record this module's dependencies. This information is used later
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# on to recurse over libraries.
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NDK_$(LOCAL_MODULE)_STATIC_LIBRARIES := $(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES)
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NDK_$(LOCAL_MODULE)_SHARED_LIBRARIES := $(LOCAL_SHARED_LIBRARIES)
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NDK_$(LOCAL_MODULE)_EXPORT_INCLUDES := $(LOCAL_EXPORT_C_INCLUDE_DIRS) $(LOCAL_EXPORT_C_INCLUDES)
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NDK_CXX_FLAG_$(LOCAL_MODULE) :=
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$(info Building $(build_kind))
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$(info $(LOCAL_MODULE))
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$(info $(addprefix $(LOCAL_PATH)/,$(LOCAL_SRC_FILES) $(LOCAL_SRC_FILES$(EMACS_ABI))))
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ifeq ($(findstring lib,$(LOCAL_MODULE)),lib)
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NDK_SO_NAMES = $(LOCAL_MODULE)_emacs.so
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else
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NDK_SO_NAMES = lib$(LOCAL_MODULE)_emacs.so
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endif
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define add-so-name-1
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# Now recurse over this module's dependencies.
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_SHARED_LIBRARIES)),$$(eval $$(call add-so-name,$$(module))))
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_STATIC_LIBRARIES)),$$(eval $$(call add-so-name-1,$$(module))))
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endef
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define add-so-name
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ifeq ($(findstring lib,$(1)),lib)
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NDK_SO_NAME = $(1)_emacs.so
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else
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NDK_SO_NAME = lib$(1)_emacs.so
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endif
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ifeq ($$(findstring $$(NDK_SO_NAME),$$(NDK_SO_NAMES)),)
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NDK_SO_NAMES := $$(NDK_SO_NAMES) $$(NDK_SO_NAME)
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# Now recurse over this module's dependencies.
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_SHARED_LIBRARIES)),$$(eval $$(call add-so-name,$$(module))))
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# Recurse over static library dependencies of this shared library.
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_STATIC_LIBRARIES) $$(NDK_$(1)_WHOLE_LIBRARIES)),$$(eval $$(call add-so-name-1,$$(module))))
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endif
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ifneq ($$(findstring stdc++,$$(NDK_$(1)_SHARED_LIBRARIES)),)
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NDK_CXX_FLAG_$(LOCAL_MODULE) := yes
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endif
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endef
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# Figure out includes from dependencies as well.
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NDK_INCLUDES := $(LOCAL_EXPORT_C_INCLUDE_DIRS) $(LOCAL_EXPORT_C_INCLUDES)
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define add-includes
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ifeq ($$(findstring $$(NDK_$(1)_EXPORT_INCLUDES),$$(NDK_INCLUDES)),)
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NDK_INCLUDES += $$(NDK_$(1)_EXPORT_INCLUDES)
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_SHARED_LIBRARIES)) $$(NDK_$(1)_STATIC_LIBRARIES),$$(eval $$(call add-includes,$$(module))))
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# Recurse over shared library dependencies of this static library.
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_SHARED_LIBRARIES)),$$(eval $$(call add-so-name,$$(module))))
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# Recurse over static or shared library dependencies of this static
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# library.
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$$(foreach module,$$(filter-out $$(SYSTEM_LIBRARIES), $$(NDK_$(1)_STATIC_LIBRARIES)),$$(eval $$(call add-so-name-1,$$(module))))
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endif
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endef
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# Resolve additional dependencies and their export includes based on
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# LOCAL_STATIC_LIBRARIES and LOCAL_SHARED_LIBRARIES. Static library
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# dependencies can be ignored while building a shared library, as they
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# will be linked in to the resulting shared object file later.
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SYSTEM_LIBRARIES = z libz libc c libdl dl stdc++ libstdc++ stlport libstlport gnustl libgnustl c++ libc++ log liblog android libandroid
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$(foreach module,$(filter-out $(SYSTEM_LIBRARIES), $(LOCAL_SHARED_LIBRARIES)),$(eval $(call add-so-name,$(module))))
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$(foreach module,$(filter-out $(SYSTEM_LIBRARIES), $(LOCAL_SHARED_LIBRARIES) $(LOCAL_STATIC_LIBRARIES) $(LOCAL_WHOLE_STATIC_LIBRARIES)),$(eval $(call add-includes,$(module))))
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ifneq ($(findstring stdc++,$(LOCAL_SHARED_LIBRARIES)),)
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NDK_CXX_FLAG_$(LOCAL_MODULE) := yes
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endif
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$(info $(foreach dir,$(NDK_INCLUDES),-I$(dir)))
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$(info $(LOCAL_EXPORT_CFLAGS))
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$(info $(LOCAL_EXPORT_LDFLAGS) $(abspath $(addprefix $(NDK_BUILD_DIR)/,$(NDK_A_NAMES))) -L$(abspath $(NDK_BUILD_DIR)) $(foreach soname,$(NDK_SO_NAMES),-l:$(soname)))
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$(info $(NDK_SO_NAMES))
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$(info $(NDK_CXX_FLAG_$(LOCAL_MODULE)))
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$(info End)
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