diff options
Diffstat (limited to 'cross/ndk-build/ndk-build-static-library.mk')
| -rw-r--r-- | cross/ndk-build/ndk-build-static-library.mk | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/cross/ndk-build/ndk-build-static-library.mk b/cross/ndk-build/ndk-build-static-library.mk new file mode 100644 index 00000000000..aba4539f6bb --- /dev/null +++ b/cross/ndk-build/ndk-build-static-library.mk @@ -0,0 +1,142 @@ +# Copyright 2023-2024 Free Software Foundation, Inc. + +# This file is part of GNU Emacs. + +# GNU Emacs is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# GNU Emacs is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>. + +# ndk-build works by including a bunch of Makefiles which set +# variables, and then having those Makefiles include another makefile +# which actually builds targets. + +eq = $(and $(findstring $(1),$(2)),$(findstring $(2),$(1))) +objname = $(1)-static-$(subst /,_,$(2).o) +maybe-absolute = $(or $(and $(2),$(1)),$(and $(wildcard $(1)),$(1)),$(LOCAL_PATH)/$(1)) + +define single-object-target + +ifeq (x$(suffix $(1)),x.c) + +$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(call maybe-absolute,$(1),$(2)) + $(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_BUILD_CFLAGS) $(NDK_CFLAGS_$(LOCAL_MODULE)) $(call LOCAL_C_ADDITIONAL_FLAGS,$(1)) + +else +ifeq (x$(suffix $(1)),x.$(or $(LOCAL_CPP_EXTENSION),cpp)) + +$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(call maybe-absolute,$(1),$(2)) + $(NDK_BUILD_CXX) -c $$< -o $$@ $(NDK_BUILD_CFLAGS_CXX) $(NDK_CFLAGS_$(LOCAL_MODULE)) $(NDK_CXXFLAGS_$(LOCAL_MODULE)) + +else +ifneq ($(or $(call eq,x$(suffix $(1)),x.s),$(call eq,x$(suffix $(1)),x.S)),) + +$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(call maybe-absolute,$(1),$(2)) + $(NDK_BUILD_CC) -c $$< -o $$@ $(NDK_ASFLAGS_$(LOCAL_MODULE)) + +else +ifneq (x$(suffix $(1)),x.asm) +ifeq (x$(suffix $(1)),x.cc) + +$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(call maybe-absolute,$(1),$(2)) + $(NDK_BUILD_CXX) -c $$< -o $$@ $(NDK_BUILD_CFLAGS_CXX) $(NDK_CFLAGS_$(LOCAL_MODULE)) $(NDK_CXXFLAGS_$(LOCAL_MODULE)) + +else +$$(error Unsupported suffix: $(suffix $(1))) +endif +else +ifneq (x$(LOCAL_ASM_RULE_DEFINED),x) +# Call this function to define a rule that will generate $(1) from +# $(2), a ``.asm'' file. This is an Emacs extension. + +$(call LOCAL_ASM_RULE,$(call objname,$(LOCAL_MODULE),$(basename $(1))),$(LOCAL_PATH)/$(strip $(1))) + +else +ifeq ($(findstring x86,$(NDK_BUILD_ARCH)),) +$$(error Trying to build nasm file on non-Intel platform!) +else + +$(call objname,$(LOCAL_MODULE),$(basename $(1))): $(call maybe-absolute,$(1),$(2)) + $(NDK_BUILD_NASM) -felf$(findstring 64,$(NDK_BUILD_ARCH)) -o $$@ -i $(LOCAL_PATH) -i $$(dir $$<) $(NDK_ASFLAGS_$(LOCAL_MODULE)) $$< + +endif +endif +endif +endif +endif +endif + +ALL_OBJECT_FILES$(LOCAL_MODULE) += $(call objname,$(LOCAL_MODULE),$(basename $(1))) +endef + +define single-neon-target + +# Define rules for the target. +$$(eval $$(call single-object-target,$(patsubst %.neon,%,$(1)),)) + +endef + +NDK_CFLAGS_$(LOCAL_MODULE) := $(addprefix -I,$(LOCAL_C_INCLUDES)) +NDK_CFLAGS_$(LOCAL_MODULE) += -fPIC -iquote $(LOCAL_PATH) $(LOCAL_EXPORT_CFLAGS) $(LOCAL_CFLAGS) $(LOCAL_CFLAGS_$(NDK_BUILD_ARCH)) +NDK_ASFLAGS_$(LOCAL_MODULE) := $(LOCAL_ASFLAGS) $(LOCAL_ASFLAGS_$(NDK_BUILD_ARCH)) $(and $(findstring clang,$(NDK_BUILD_CC)),$(LOCAL_CLANG_ASFLAGS_$(NDK_BUILD_ARCH))) +NDK_LDFLAGS_$(LOCAL_MODULE) := $(LOCAL_LDLIBS) $(LOCAL_LDFLAGS) +NDK_CXXFLAGS_$(LOCAL_MODULE) := $(LOCAL_CPPFLAGS) $(LOCAL_RTTI_FLAG) +ALL_OBJECT_FILES$(LOCAL_MODULE) := + +# Now look for features in LOCAL_CPP_FEATURES and enable them. + +ifneq ($(findstring exceptions,$(LOCAL_CPPFLAGS)),) +NDK_CXXFLAGS_$(LOCAL_MODULE) += -fexceptions +endif + +ifneq ($(findstring rtti,$(LOCAL_CPPFLAGS)),) +NDK_CXXFLAGS_$(LOCAL_MODULE) += -frtti +endif + + +ifeq ($(NDK_BUILD_ARCH)$(NDK_ARM_MODE),armarm) +NDK_CFLAGS ::= -marm +else +ifeq ($(NDK_BUILD_ARCH),arm) +NDK_CFLAGS ::= -mthumb +endif +endif + +ifeq ($(findstring lib,$(LOCAL_MODULE)),lib) +LOCAL_MODULE_FILENAME := $(LOCAL_MODULE) +else +LOCAL_MODULE_FILENAME := lib$(LOCAL_MODULE) +endif + +LOCAL_MODULE_FILENAME := $(LOCAL_MODULE_FILENAME).a + +# Record this module's dependencies and exported includes and CFLAGS, +# and then add that of its dependencies. + +include $(srcdir)/ndk-resolve.mk + +# Then define rules to build all objects. +ALL_SOURCE_FILES := $(LOCAL_SRC_FILES) $(LOCAL_SRC_FILES_$(NDK_BUILD_ARCH)) + +# Now filter out code that is built with neon. Define rules to build +# those separately. +NEON_SOURCE_FILES := $(filter %.neon,$(ALL_SOURCE_FILES)) +ALL_SOURCE_FILES := $(filter-out %.neon,$(ALL_SOURCE_FILES)) + +# This defines all dependencies. +ALL_OBJECT_FILES$(LOCAL_MODULE) = + +$(foreach source,$(ALL_SOURCE_FILES),$(eval $(call single-object-target,$(source),))) +$(foreach source,$(NEON_SOURCE_FILES),$(eval $(call single-neon-target,$(source),))) + +# Now define the rule to build the library. +$(LOCAL_MODULE_FILENAME): $(ALL_OBJECT_FILES$(LOCAL_MODULE)) + $(NDK_BUILD_AR) r $@ $^ |