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TomIO 4139311f36 chore(main/emacs, x11/emacs-x): adopt .alternatives system
- Clean up shellcheck warnings, mostly by quoting everything
 - Align build scripts more closely
 - Don't drop images, icons and tutorials from `emacs` package
2025-06-30 04:10:22 +02:00

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TERMUX_PKG_HOMEPAGE=https://www.gnu.org/software/emacs/
TERMUX_PKG_DESCRIPTION="Extensible, customizable text editor-and more"
TERMUX_PKG_LICENSE="GPL-3.0"
TERMUX_PKG_MAINTAINER="@termux"
# Update both emacs and emacs-x to the same version in one PR.
TERMUX_PKG_VERSION=30.1
TERMUX_PKG_REVISION=3
TERMUX_PKG_SRCURL=https://ftp.gnu.org/gnu/emacs/emacs-${TERMUX_PKG_VERSION}.tar.xz
if [[ $TERMUX_PKG_VERSION == *-rc* ]]; then
TERMUX_PKG_SRCURL=https://alpha.gnu.org/gnu/emacs/pretest/emacs-${TERMUX_PKG_VERSION#*:}.tar.xz
fi
TERMUX_PKG_SHA256=6ccac1ae76e6af93c6de1df175e8eb406767c23da3dd2a16aa67e3124a6f138f
TERMUX_PKG_DEPENDS="fontconfig, freetype, gdk-pixbuf, giflib, glib, harfbuzz, libgmp, libgnutls, libice, libjpeg-turbo, libpng, librsvg, libsm, libsqlite, libtiff, libx11, libxaw, libxcb, libxext, libxfixes, libxft, libxinerama, libxml2, libxmu, libxpm, libxrandr, libxrender, libxt, littlecms, ncurses, tree-sitter, zlib"
TERMUX_PKG_CONFLICTS="emacs"
TERMUX_PKG_REPLACES="emacs"
TERMUX_PKG_PROVIDES="emacs"
TERMUX_PKG_SERVICE_SCRIPT=("emacsd" 'exec emacs --fg-daemon 2>&1')
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
--with-x-toolkit=lucid
--without-selinux
--with-modules
--with-pdumper=yes
--with-dumping=none
--with-tree-sitter
"
if $TERMUX_DEBUG_BUILD; then
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+="
--enable-checking=yes,glyphs
--enable-check-lisp-object-type
"
CFLAGS+=" -gdwarf-4"
fi
# Avoid misdetection of sigaltstack with strict C99:
# https://github.com/termux/termux-packages/issues/15852
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_alternate_stack=yes"
# Ensure use of system malloc:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_sanitize_address=yes"
# Prevent configure from adding -nopie:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_prog_cc_no_pie=no"
# Prevent linking against libelf:
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_lib_elf_elf_begin=no"
# implemented using dup3(), which fails if oldfd == newfd
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" gl_cv_func_dup2_works=no"
# disable setrlimit function to make termux-am work from within emacs
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" ac_cv_func_setrlimit=no"
if [ "$TERMUX_ARCH" == "arm" ] || [ "$TERMUX_ARCH" == "i686" ]; then
# setjmp does not work properly on 32bit android:
# https://github.com/termux/termux-packages/issues/2599
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_func__setjmp=no"
TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" emacs_cv_func_sigsetjmp=no"
fi
TERMUX_PKG_HOSTBUILD=true
# Remove some irrelevant files:
TERMUX_PKG_RM_AFTER_INSTALL="
bin/grep-changelog
lib/systemd
share/man/man1/grep-changelog.1.gz
"
# Remove ctags from the emacs package to prevent conflicting with
# the Universal Ctags from the 'ctags' package (the bin/etags
# program still remain in the emacs package):
TERMUX_PKG_RM_AFTER_INSTALL+=" bin/ctags share/man/man1/ctags.1 share/man/man1/ctags.1.gz"
# Get shellcheck to shut up about "$TERMUX_PKG_VERSION"
# getting reassigned in a subshell down below.
# shellcheck disable=SC2031
termux_step_post_get_source() {
# Certain packages are not safe to build on device because their
# build.sh script deletes specific files in $TERMUX_PREFIX.
if [[ "$TERMUX_ON_DEVICE_BUILD" == "true" ]]; then
termux_error_exit "Package '$TERMUX_PKG_NAME' is not safe for on-device builds."
fi
# Version guard
local ver_e ver_x
ver_e="$(. "$TERMUX_SCRIPTDIR/packages/emacs/build.sh"; echo "${TERMUX_PKG_VERSION#*:}")"
ver_x="${TERMUX_PKG_VERSION#*:}"
if [ "${ver_e}" != "${ver_x}" ]; then
termux_error_exit "Version mismatch between emacs and emacs-x."
fi
# XXX: We have to start with new host build each time
# to avoid build error when cross compiling.
rm -Rf "$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 "$TERMUX_PREFIX/share/info"
}
# shellcheck disable=SC2031
termux_step_host_build() {
local _VERSION="${TERMUX_PKG_VERSION#*:}"
# 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/${_VERSION}"
ln -s "$TERMUX_PKG_SRCDIR/lisp" "$NATIVE_PREFIX/share/emacs/${_VERSION}/lisp"
( cd "$TERMUX_PKG_SRCDIR" && ./autogen.sh )
"$TERMUX_PKG_SRCDIR/configure" --prefix="$NATIVE_PREFIX" --without-all --without-x
make -j "$TERMUX_PKG_MAKE_PROCESSES"
}
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"
cp "$TERMUX_PKG_HOSTBUILD_DIR/lib-src/make-fingerprint" "$TERMUX_PKG_BUILDDIR/lib-src/make-fingerprint"
cp -r "$TERMUX_PKG_SRCDIR/lisp"/* "$TERMUX_PKG_BUILDDIR/lisp"
cp -r "$TERMUX_PKG_SRCDIR/etc" "$TERMUX_PKG_BUILDDIR"
# 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" \
"$TERMUX_PKG_BUILDDIR/lib-src/make-fingerprint"
}
# shellcheck disable=SC2031
termux_step_post_make_install() {
mkdir -p "$TERMUX_PREFIX/share/emacs/${TERMUX_PKG_VERSION}/lisp/emacs-lisp/"
install -Dm600 "$TERMUX_PKG_BUILDER_DIR/site-start.el" \
"$TERMUX_PREFIX/share/emacs/site-lisp/site-start.el"
}
# shellcheck disable=SC2031
termux_step_create_debscripts() {
local _VERSION="${TERMUX_PKG_VERSION#*:}"
cat <<- EOF > ./postinst
#!$TERMUX_PREFIX/bin/sh
cd $TERMUX_PREFIX/share/emacs/${_VERSION}/lisp
LC_ALL=C $TERMUX_PREFIX/bin/emacs -batch -l loadup --temacs=pdump
mv $TERMUX_PREFIX/bin/emacs*.pdmp $TERMUX_PREFIX/libexec/emacs/${_VERSION}/${TERMUX_ARCH}-linux-android*/
EOF
}