#!/bin/sh

(

# Break out if anything looks broken
set -ex ;

# Add the local Homebrew version of texinfo into the path.
export PATH="/opt/brew/opt/texinfo/bin:$PATH" ;

# Add a few flags so that autoconf can 'see' stuff in /opt/brew
export CFLAGS="-I/opt/brew/include"
export LDFLAGS="-L/opt/brew/lib"

# Regenerate the `configure' script of Emacs itself.
./autogen.sh ;

# Configure Emacs for a text-only build, disabling most of the options
# related to UI and toolkit support, but keep a few important features
# enabled for emacs -nw mode (like gnutls, xml2, and zlib support).
./configure --prefix=/opt/emacs --infodir=/opt/emacs/info               \
                                                                        \
  --without-x                                                           \
  --with-sound=no                                                       \
  --without-x --with-x-toolkit=no --without-ns                          \
  --without-xft --without-libotf --without-m17n-flt                     \
  --without-toolkit-scroll-bars                                         \
  --without-xaw3d --without-xim --without-gpm                           \
                                                                        \
  --without-xpm --without-jpeg --without-tiff --without-gif             \
  --without-png --without-rsvg --without-cairo                          \
  --without-imagemagick                                                 \
  --with-file-notification=no                                           \
                                                                        \
  --without-dbus --without-gconf --without-gsettings                    \
  --without-selinux                                                     \
                                                                        \
  --with-zlib                                                           \
  --with-gnutls                                                         \
  --with-xml2                                                           \
  ;

# Build a clean copy of GNU Emacs.
make clean ;
make bootstrap ;

) 2>&1 | tslog | tee $HOME/tmp/emacs-build.log