pkg(emacs-27.1.0): Add emacs 27.1.0

packages/emacs/27.1.0/build.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+export PATH=$PWD/bin:$PATH
+
+PREFIX=$(realpath $(dirname $0))
+
+mkdir -p build
+
+cd build
+
+# Emacs version 27.1 supports Docker builds
+# Otherwise, older versions will work too, but you will have to disable `/proc/sys/kernel/randomize_va_space` which is less secure
+curl -L "http://ftpmirror.gnu.org/emacs/emacs-27.1.tar.gz" -o emacs.tar.gz
+tar xzf emacs.tar.gz --strip-components=1
+rm emacs.tar.gz
+
+# Building without all that X11 stuff
+./configure --prefix="$PREFIX" --with-x=no --with-x-toolkit=no --with-xpm=no --with-jpeg=no --with-png=no --with-gif=no --with-tiff=no --with-gnutls=no
+make -j$(nproc)
+make install -j$(nproc)
+
+cd ..
+
+rm -rf build