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patch - Applies diffs ChangeLog

Web site:

https://www.gnu.org/software/patch/

HOWTO

# GNU patch 2.8
# =============
# Slackware 14.0, .1: patch 2.7
# Slackware 14.2: patch 2.7.5
# Slackware 15.0: patch 2.7.6
#
# Way back around Slackware 10.2, patch was part of the 'bin' package

# If you ever want to remove patch (?!), run 'make uninstall' as root
# in the source directory

# Prerequisites:
# gawk
# grep
# bison >= 2.4

# info-gnu: GNU patch 2.8 released
# Savannah: GNU patch 2.8 released

# If you have any issues downloading it as done below, here are
# alternate options:
# http://ftpmirror.gnu.org/patch/ (automatic redirect)
# https://ftp.gnu.org/gnu/patch/
# http://ftp.gnu.org/gnu/patch/
# sha256sum:
echo "f87cee69eec2b4fcbf60a396b030ad6aa3415f192aa5f7ee84cad5e11f7f5a\
e3  patch-2.8.tar.xz" | sha256sum -c

# Verify tarball w/ gpg:
( gpg --list-keys D5BF9FEB0313653A > /dev/null 2>&1 ||
  gpg --recv-keys D5BF9FEB0313653A ) &&
wget -nc https://ftpmirror.gnu.org/patch/patch-2.8.tar.xz.sig &&
  gpg --verify patch-2.8.tar.xz.sig && rm patch-2.8.tar.xz.sig

# Extract the source
mkdir -p -m 0700 ~/src
cd ~/src
find -maxdepth 1 -type d -name "patch-*" -exec rm -r {} \;
tar xJvf ~/patch-2.8.tar.xz
cd patch-2.8
test $UID = 0 && chown -R root:root .

# Read ./README, INSTALL, and if this is an upgrade - NEWS and/or ChangeLog

# Configure the build
./configure --prefix=/usr --mandir=/usr/man

# Build it
make

# Check the build
make check

# Become root to install it
su

# If you want to clean up files from old versions they would be here
# /usr/bin/patch
# /usr/man/man1/patch.1
# /usr/share/patch/
test -f /usr/man/man1/patch.1.gz && test -f /usr/man/man1/patch.1 &&
  rm /usr/man/man1/patch.1.gz

# Install it ('make install' or...)
make install-strip

# Slackware compresses patch's man page with gzip, so if you're replacing
# Slackware's, you may or may not want to do this:
gzip -9 /usr/man/man1/patch.1

# Make sure your non-root user can remove the source later
chown -R $(logname) .
chmod -R u+w .

# Become your non-root user again
exit

# Save the tarball for later
cd
mkdir -p -m 0700 installed
rm -f installed/patch-*.tar.*
mv patch-2.8.tar.xz installed/