buildcygwin.ksh93 - build Cygwin
Posted by Anonymous on Mon 6th Jul 2026 14:08
raw | new post
modification of post by Anonymous (view diff)

#
# buildcygwin.ksh93 - build Cygwin
#

set -o xtrace
set -o errexit
set -o nounset

typeset cygbuildbase="$PWD"

rm -Rf newlib-cygwin/ testinstallroot builddir
mkdir "${cygbuildbase}/testinstallroot"
mkdir "${cygbuildbase}/builddir"

git clone -b cygwin-3_6-branch git://cygwin.com/git/newlib-cygwin.git


#
# patch sources and configure build
#
# generate Cygwin configure
cd "${cygbuildbase}/newlib-cygwin/winsup/"
./autogen.sh

# patch all "configure" scripts" and remove pax from am_cv_prog_tar_ustar
# list - we pick-up /usr/bin/pax it will interactively ask
# 'ATTENTION! pax archive volume change required.\nReady for archive
# volume: 1\nInput archive name or "." to quit pax.'
(set -o xtrace ; sed -i "s/_am_tools='gnutar plaintar pax cpio none'/_am_tools='gnutar plaintar cpio none'/g" $(find "${cygbuildbase}/newlib-cygwin" -name 'configure') )

#
# configure&&build cygwin
#
# (see https://www.cygwin.com/faq/faq.html#faq.programming.building-cygwin
# for the original Cygwin build instructions)
#


# run newlib configure and build
cd "${cygbuildbase}/builddir"
/bin/bash "${cygbuildbase}/newlib-cygwin/configure" --prefix="${cygbuildbase}/testinstallroot"
time nice make -j64 --load-average 64

time make install


#EOF.