### @configure_input@
# Copyright (C) 2023 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 .
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
srcdir = @srcdir@
builddir = @builddir@
version = @version@
# Don't install movemail if mailutils are to be used.
emacs_use_mailutils = @emacs_use_mailutils@
# This is the host lib-src and lib, not the cross compiler's lib-src.
libsrc = ../lib-src
EXEEXT = @EXEEXT@
-include ${top_builddir}/src/verbose.mk
SHELL = @SHELL@
JAVAC = @JAVAC@
AAPT = @AAPT@
D8 = @D8@
ZIPALIGN = @ZIPALIGN@
JARSIGNER = @JARSIGNER@
APKSIGNER = @APKSIGNER@
JARSIGNER_FLAGS =
ANDROID_JAR = @ANDROID_JAR@
ANDROID_ABI = @ANDROID_ABI@
ANDROID_SDK_18_OR_EARLIER = @ANDROID_SDK_18_OR_EARLIER@
ANDROID_SDK_8_OR_EARLIER = @ANDROID_SDK_8_OR_EARLIER@
WARN_JAVAFLAGS = @WARN_JAVAFLAGS@
JAVAFLAGS = $(WARN_JAVAFLAGS) -classpath "$(ANDROID_JAR):$(srcdir)"
FIND_DELETE = @FIND_DELETE@
# Android 4.3 and earlier require Emacs to be signed with a different
# digital signature algorithm.
ifneq (,$(ANDROID_SDK_18_OR_EARLIER))
JARSIGNER_FLAGS = -sigalg MD5withRSA -digestalg SHA1
else
JARSIGNER_FLAGS =
endif
# When building Emacs for Android 2.2, assets must not be compressed.
# Otherwise, the asset manager fails to extract files larger than 1
# MB.
ifneq (,$(ANDROID_SDK_8_OR_EARLIER))
AAPT_ASSET_ARGS = -0 ""
else
AAPT_ASSET_ARGS =
endif
SIGN_EMACS = -keystore $(srcdir)/emacs.keystore -storepass \
emacs1 $(JARSIGNER_FLAGS)
SIGN_EMACS_V2 = sign --v2-signing-enabled --ks \
$(srcdir)/emacs.keystore -debuggable-apk-permitted \
--ks-pass pass:emacs1
JAVA_FILES := $(wildcard $(srcdir)/org/gnu/emacs/*.java)
RESOURCE_FILES := $(foreach file,$(wildcard $(srcdir)/res/*), \
$(wildcard $(file)/*))
# R.java is a file generated by the `aapt' utility containing
# constants that can then be used to locate ``resource identifiers''.
# It is not a regular file and should not be compiled as Java source
# code. Instead, it is automatically included by the Java compiler.
RESOURCE_FILE := $(srcdir)/org/gnu/emacs/R.java
# CLASS_FILES is what should actually be built and included in the
# resulting Emacs executable. The Java compiler might generate more
# than one class file for each source file, so this only serves as a
# list of dependencies for Make.
CLASS_FILES := $(foreach file,$(JAVA_FILES),$(basename $(file)).class)
# Remove RESOURCE_FILE from JAVA_FILES, if it is already present.
JAVA_FILES := $(filter-out $(RESOURCE_FILE),$(JAVA_FILES))
# Compute the name for the Emacs application package. This should be:
# emacs---.apk
ANDROID_MIN_SDK := @ANDROID_MIN_SDK@
APK_NAME := emacs-$(version)-$(ANDROID_MIN_SDK)-$(ANDROID_ABI).apk
# How this stuff works.
# emacs.apk depends on emacs.apk-in, which is simply a ZIP archive
# containing the following files:
# lib/$(ANDROID_ABI)/libemacs.so
# lib/$(ANDROID_ABI)/libandroid-emacs.so
# lib/$(ANDROID_ABI)/libctags.so
# lib/$(ANDROID_ABI)/libetags.so
# lib/$(ANDROID_ABI)/libhexl.so
# lib/$(ANDROID_ABI)/libmovemail.so
# lib/$(ANDROID_ABI)/librcs2log.so
# lib/$(ANDROID_ABI)/libebrowse.so
# assets/info/
# assets/etc/
# assets/lisp/
.PHONY: emacs.apk-in all
all: $(APK_NAME)
# Binaries to cross-compile.
CROSS_SRC_BINS := $(top_builddir)/cross/src/android-emacs
CROSS_LIBSRC_BINS := $(top_builddir)/cross/lib-src/ctags \
$(top_builddir)/cross/lib-src/hexl \
$(top_builddir)/cross/lib-src/ebrowse \
$(top_builddir)/cross/lib-src/emacsclient \
$(top_builddir)/cross/lib-src/etags
CROSS_LIBSRC_BINS_MOVEMAIL := $(top_builddir)/cross/lib-src/movemail
CROSS_EXEC_BINS := $(top_builddir)/exec/exec1 $(top_builddir)/exec/loader
CROSS_BINS = $(CROSS_SRC_BINS) $(CROSS_LIBSRC_BINS) $(CROSS_EXEC_BINS)
ifneq ($(emacs_use_mailutils),yes)
CROSS_LIBSRC_BINS := $(CROSS_LIBSRC_BINS) $(CROSS_LIBSRC_BINS_MOVEMAIL)
endif
# Libraries to cross-compile.
CROSS_LIBS = $(top_builddir)/cross/src/libemacs.so
# Make sure gnulib is built first!
# If not, then the recursive invocations of make below will try to
# build gnulib at the same time.
CROSS_ARCHIVES = $(top_builddir)/cross/lib/libgnu.a
# Third party libraries to compile.
-include $(top_builddir)/cross/ndk-build/ndk-build.mk
.PHONY: $(CROSS_BINS) $(CROSS_LIBS) $(CROSS_ARCHIVES)
# There should only be a single invocation of $(MAKE) -C
# $(top_srcdir)/cross for each directory under $(top_srcdir)/cross.
$(CROSS_SRC_BINS) $(CROSS_LIBS) &: $(CROSS_ARCHIVES)
$(MAKE) -C $(top_builddir)/cross $(foreach file, \
$(CROSS_SRC_BINS) \
$(CROSS_LIBS), \
src/$(notdir $(file)))
$(CROSS_LIBSRC_BINS) &: $(CROSS_ARCHIVES)
$(MAKE) -C $(top_builddir)/cross $(foreach file, \
$(CROSS_LIBSRC_BINS), \
lib-src/$(notdir $(file)))
$(CROSS_ARCHIVES):
$(MAKE) -C $(top_builddir)/cross lib/libgnu.a
# These two binaries are helpers used to execute binaries on Android
# 10 and later.
$(CROSS_EXEC_BINS) &:
$(MAKE) -C $(top_builddir)/exec $(notdir $(CROSS_EXEC_BINS))
# This is needed to generate the ``.directory-tree'' file used by the
# Android emulations of readdir and faccessat.
$(libsrc)/asset-directory-tool:
$(MAKE) -C $(libsrc) $(notdir $@)
# install_tmp is a directory used to generate emacs.apk-in.
# That is then packaged into $(APK_NAME).
# There is no need to depend on NDK_BUILD_SHARED as libemacs.so
# does already.
.PHONY: install_temp install_temp/assets/directory-tree
install_temp: $(CROSS_BINS) $(CROSS_LIBS) $(RESOURCE_FILES)
$(AM_V_GEN)
# Make the working directory for this stuff
$(AM_V_SILENT) rm -rf install_temp
$(AM_V_SILENT) mkdir -p install_temp/lib/$(ANDROID_ABI)
$(AM_V_SILENT) mkdir -p install_temp/assets/etc
$(AM_V_SILENT) mkdir -p install_temp/assets/lisp
$(AM_V_SILENT) mkdir -p install_temp/assets/info
# Install architecture independents to assets/etc and assets/lisp
$(AM_V_SILENT) cp -r $(top_srcdir)/lisp install_temp/assets
$(AM_V_SILENT) cp -r $(top_srcdir)/etc install_temp/assets
$(AM_V_SILENT) cp -r $(top_srcdir)/info install_temp/assets
# Replace etc/DOC generated by compiling Emacs for the build machine
# with etc/DOC from the cross-compiled Emacs.
$(AM_V_SILENT) test -f $(top_builddir)/cross/etc/DOC \
&& cp -r $(top_builddir)/cross/etc/DOC \
install_temp/assets/etc
# Remove undesirable files from those directories.
$(AM_V_SILENT) \
for subdir in `find install_temp -type d -print`; do \
chmod a+rx $${subdir} ; \
rm -rf $${subdir}/.gitignore ; \
rm -rf $${subdir}/.DS_Store ; \
rm -rf $${subdir}/#* ; \
rm -rf $${subdir}/.#* ; \
rm -rf $${subdir}/*~ ; \
rm -rf $${subdir}/*.orig ; \
rm -rf $${subdir}/ChangeLog* ; \
rm -rf $${subdir}/[mM]akefile*[.-]in ; \
rm -rf $${subdir}/Makefile; \
done
# Generate the directory tree for those directories.
# Install architecture dependents to lib/$(ANDROID_ABI). This
# perculiar naming scheme is required to make Android preserve these
# binaries upon installation.
$(AM_V_SILENT) \
for file in $(CROSS_BINS); do \
if [ -x $$file ]; then \
filename=`basename $$file`; \
cp -f $$file install_temp/lib/$(ANDROID_ABI)/lib$${filename}.so; \
fi \
done
$(AM_V_SILENT) \
for file in $(CROSS_LIBS); do \
if [ -x $$file ]; then \
cp -f $$file install_temp/lib/$(ANDROID_ABI); \
fi \
done
ifneq ($(NDK_BUILD_SHARED),)
$(AM_V_SILENT) cp -f $(NDK_BUILD_SHARED) \
install_temp/lib/$(ANDROID_ABI)
endif
install_temp/assets/directory-tree: $(libsrc)/asset-directory-tool \
install_temp install_temp/assets/version
$(AM_V_GEN) $(libsrc)/asset-directory-tool install_temp/assets \
install_temp/assets/directory-tree
install_temp/assets/version: install_temp
$(AM_V_GEN) { (cd $(top_srcdir) \
&& git rev-parse HEAD || echo "Unknown") \
&& (git rev-parse --abbrev-ref HEAD \
|| echo "Unknown") } 2> /dev/null > $@
install_temp/assets/build_info: install_temp
$(AM_V_GEN) { hostname; date +%s; } > $@
emacs.apk-in: install_temp install_temp/assets/directory-tree \
install_temp/assets/version install_temp/assets/build_info \
AndroidManifest.xml
# Package everything. Specifying the assets on this command line is
# necessary for AAssetManager_getNextFileName to work on old versions
# of Android. Make sure not to generate R.java, as it's already been
# generated.
$(AM_V_AAPT) $(AAPT) p -I "$(ANDROID_JAR)" -F $@ \
-f -M AndroidManifest.xml $(AAPT_ASSET_ARGS) \
-A install_temp/assets \
-S $(top_srcdir)/java/res -J install_temp
$(AM_V_SILENT) pushd install_temp &> /dev/null; \
$(AAPT) add ../$@ `find lib -type f`; \
popd &> /dev/null
$(AM_V_SILENT) rm -rf install_temp
# Makefile itself.
.PRECIOUS: $(top_srcdir)/config.status Makefile
$(top_srcdir)/config.status: $(top_srcdir)/configure.ac $(top_srcdir)/m4/*.m4
$(MAKE) -C $(dir $@) $(notdir $@)
Makefile: $(top_srcdir)/config.status $(top_srcdir)/java/Makefile.in
$(MAKE) -C .. java/$@
# AndroidManifest.xml:
AndroidManifest.xml: $(top_srcdir)/configure.ac $(top_srcdir)/m4/*.m4 \
$(srcdir)/AndroidManifest.xml.in
pushd ..; ./config.status java/AndroidManifest.xml; popd
# R.java:
$(RESOURCE_FILE): $(RESOURCE_FILES)
$(AM_V_GEN) $(AAPT) p -I "$(ANDROID_JAR)" -f \
-J $(dir $@) -M AndroidManifest.xml \
-S $(top_srcdir)/java/res
# Make all class files depend on R.java being built.
$(CLASS_FILES): $(RESOURCE_FILE)
.SUFFIXES: .java .class
$(CLASS_FILES) &: $(JAVA_FILES)
$(AM_V_JAVAC) $(JAVAC) $(JAVAFLAGS) $(JAVA_FILES)
$(AM_V_SILENT) touch $(CLASS_FILES)
# N.B. that find must be called all over again in case javac generated
# nested classes.
classes.dex: $(CLASS_FILES)
$(AM_V_D8) $(D8) --classpath $(ANDROID_JAR) \
$(subst $$,\$$,$(shell find $(srcdir) -type f \
-name *.class)) --output $(builddir)
# When emacs.keystore expires, regenerate it with:
#
# keytool -genkey -v -keystore emacs.keystore -alias "Emacs keystore" \
# -keyalg RSA -sigalg SHA1withRSA -keysize 2048 -validity 100000
.PHONY: clean maintainer-clean
$(APK_NAME): classes.dex emacs.apk-in $(srcdir)/emacs.keystore
$(AM_V_GEN)
$(AM_V_SILENT) cp -f emacs.apk-in $@.unaligned
$(AM_V_SILENT) $(AAPT) add $@.unaligned classes.dex
$(AM_V_SILENT) $(JARSIGNER) $(SIGN_EMACS) $@.unaligned "Emacs keystore"
$(AM_V_SILENT) $(ZIPALIGN) -f 4 $@.unaligned $@
# Signing must happen after alignment!
$(AM_V_SILENT) $(APKSIGNER) $(SIGN_EMACS_V2) $@
$(AM_V_SILENT) rm -f $@.unaligned *.idsig
# TAGS generation.
ETAGS = $(top_builddir)/lib-src/etags
$(ETAGS): FORCE
$(MAKE) -C ../lib-src $(notdir $@)
tagsfiles = $(JAVA_FILES) $(RESOURCE_FILE)
.PHONY: tags FORCE
tags: TAGS
TAGS: $(ETAGS) $(tagsfiles)
$(AM_V_GEN) $(ETAGS) $(tagsfiles)
clean:
rm -f *.apk emacs.apk-in *.dex *.unaligned *.class *.idsig
rm -rf install-temp $(RESOURCE_FILE) TAGS
find . -name '*.class' $(FIND_DELETE)
maintainer-clean distclean bootstrap-clean: clean
rm -f Makefile ndk-build.mk