termux-packages/x11-packages/emacs-x/build.sh

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TERMUX_PKG_MAINTAINER="Leonid Plyushch <leonid.plyushch@gmail.com> @xeffyr"
TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/emacs/
TERMUX_PKG_DESCRIPTION="Extensible, customizable text editor-and more (with X11 support)"
TERMUX_PKG_VERSION=26.1
TERMUX_PKG_SRCURL=https://mirrors.kernel.org/gnu/emacs/emacs-${TERMUX_PKG_VERSION}.tar.xz
TERMUX_PKG_SHA256=1cf4fc240cd77c25309d15e18593789c8dbfba5c2b44d8f77c886542300fd32c
TERMUX_PKG_DEPENDS="giflib, libandroid-shmem, libgnutls, libgtk3, libjpeg-turbo, libpng, librsvg, libtiff, libxml2, libxpm, littlecms, ncurses"
TERMUX_PKG_CONFLICTS="emacs"
TERMUX_PKG_REPLACES="emacs"
TERMUX_PKG_PROVIDES="emacs"
TERMUX_PKG_HOSTBUILD=yes
TERMUX_PKG_KEEP_INFOPAGES=yes
# Remove some irrelevant files:
TERMUX_PKG_RM_AFTER_INSTALL="
bin/ctags
bin/grep-changelog
share/emacs/${TERMUX_PKG_VERSION}/etc/images
share/emacs/${TERMUX_PKG_VERSION}/etc/refcards
share/info/dir
share/man/man1/ctags.1
share/man/man1/ctags.1.gz
share/man/man1/grep-changelog.1.gz
"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS="
--disable-autodepend
--without-cairo
--without-imagemagick
--without-libotf
--without-xaw3d
--without-gpm
--without-dbus
--without-gconf
--without-gsettings
--with-x
"
# Ensure use of system malloc:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_sanitize_address=yes"
# Prevent configure from adding -nopie:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_prog_cc_no_pie=no"
# Prevent linking against libelf:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_lib_elf_elf_begin=no"
# implemented using dup3(), which fails if oldfd == newfd
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" gl_cv_func_dup2_works=no"
# disable setrlimit function to make termux-am work from within emacs
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_setrlimit=no"
termux_step_post_extract_package() {
# XXX: We have to start with new host build each time
# to avoid build error when cross compiling.
rm -Rf $TERMUX_PKG_HOSTBUILD_DIR
# Termux only use info pages for emacs. Remove the info directory
# to get a clean Info directory file dir.
rm -Rf $TERMUX_PREFIX/share/info
# We cannot run a dumped emacs on Android 5.0+ due to the pie requirement.
# Also, the native emacs we build (bootstrap-emacs) cannot used dumps when
# building inside docker: https://github.com/docker/docker/issues/22801
export CANNOT_DUMP=yes
}
termux_step_host_build() {
# Build a bootstrap-emacs binary to be used in termux_step_post_configure.
local NATIVE_PREFIX=$TERMUX_PKG_TMPDIR/emacs-native
mkdir -p $NATIVE_PREFIX/share/emacs/$TERMUX_PKG_VERSION
ln -s $TERMUX_PKG_SRCDIR/lisp $NATIVE_PREFIX/share/emacs/$TERMUX_PKG_VERSION/lisp
$TERMUX_PKG_SRCDIR/configure --prefix=$NATIVE_PREFIX --without-all --with-x-toolkit=no
make -j $TERMUX_MAKE_PROCESSES
}
termux_step_pre_configure() {
export LIBS="-landroid-shmem"
}
termux_step_post_configure() {
cp $TERMUX_PKG_HOSTBUILD_DIR/src/bootstrap-emacs $TERMUX_PKG_BUILDDIR/src/bootstrap-emacs
cp $TERMUX_PKG_HOSTBUILD_DIR/lib-src/make-docfile $TERMUX_PKG_BUILDDIR/lib-src/make-docfile
# Update timestamps so that the binaries does not get rebuilt:
touch -d "next hour" $TERMUX_PKG_BUILDDIR/src/bootstrap-emacs $TERMUX_PKG_BUILDDIR/lib-src/make-docfile
}
termux_step_post_make_install() {
cp $TERMUX_PKG_BUILDER_DIR/site-init.el $TERMUX_PREFIX/share/emacs/${TERMUX_PKG_VERSION}/lisp/emacs-lisp/
}