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#! /bin/sh
#
# Configures and builds nmh.
# * If this script is not invoked from an nmh source directory, it
# will attempt to download the nmh sources.
# * This script retrieves configuration from the first existing nmh
# installation on your $PATH, if any.
# * Unless the -y option is provided, this script then interactively
# walks you through confirmation of common configuration settings.
#
# This file can be downloaded and immediately run using, e.g.,
# wget http://git.savannah.gnu.org/cgit/nmh.git/plain/build_nmh
# sh build_nmh
#
# Typical usage:
# The first time you invoke this script, use the -i option to install
# nmh in the specified location. The script will walk you through the
# common nmh configuration settings. The -v option will cause display
# of brief progress indicators. Be sure to add the bin directory of
# the install location to your $PATH, if not already there.
# Subsequently, invoke this script with the -y option, to use the
# relevant configuration settings from the installed nmh without
# confirmation.
#
# Option summary:
# First time use:
# -b <branch> to specify branch to check out, only if downloading sources
# -i to install nmh
# -v to display progress
# Subsequent uses, assuming installed nmh bin directory is on $PATH:
# -y to accept all configuration options without confirmation
# Output control:
# -l <logfile name>, default 'build_nmh.log', - for stdout/stderr
# Advanced/developer use:
# -c to run 'make distcheck' instead of 'make check'
# -d to build nmh with asserts enabled and optimization disabled
# -s to use 'make superclean': requires recent autoconf and automake,
# see docs/README.developers
# -r to build rpm
#
# To disable colorization of the test summary, either unset the TERM
# environment variable or set it to dumb, e.g., TERM=dumb build_nmh.
#
# See the nmh MACHINES file for build prerequisites. In addition, the rpmbuild
# is required to be available if the -r option is used.
logfile=build_nmh.log
usage="usage:
[-b <branch>, only if downloading]
[-c to run 'make distcheck' instead of 'make check']
[-d to build nmh with asserts enabled and optimization disabled]
[-i to install nmh]
[-l <logfile name>, default '$logfile']
[-r to build rpm]
[-s to use 'make superclean': requires recent autoconf and automake]
[-v to display progress]
[-y to accept all configuration options without confirmation]"
#### Find location of a program. Bourne shell just puts the name in
#### $0 if it's found from the PATH, so search that if necessary.
finddir() {
case $1 in
*/*) dirname "$1" ;;
* ) IFS=:
for d in $PATH; do
[ -f "${d:=.}/$1" -a -x "$d/$1" ] && printf %s "$d" && break
done ;;
esac
}
#### Make sure user sees error output even on early termination.
cleanup() {
if [ "$tmpfile" ]; then
#### Disable output redirection (and flush) so that we can grep.
#### If $tmpfile is null, don't need to do this because the
#### outputs weren't redirected, modulo a small race condition
#### between setting tmpfile and redirecting the outputs.
exec 1>&3 3>&- 2>&4 4>&-
if [ "$logfile" != - ]; then
exec 3>&1 >"$logfile" 2>&1
fi
if [ -f "$tmpfile" ]; then
cat "$tmpfile"
grep -E 'Error|warn' "$tmpfile"
rm "$tmpfile"
fi
fi
#### Put info message on stdout, and in log if not stdout.
if [ $status -ne 0 -o $verbose -ge 1 -o "$directory" ]; then
[ $status -eq 0 ] && result=succeeded || result=failed
if [ "$logfile" = - ]; then
echo "build $result"
else
message="build $result, build log is in ${directory:+$directory/}$logfile"
echo "$message" >&3
fi
fi
#### Heirloom shell does not like "trap - signal".
trap '' EXIT
exit $status
}
#### Exit with error message.
die() {
status=1 # It should already be, but just in case the code below changes.
echo "$0: $*" 1>&2
cleanup
}
#### Download sources from repo. With git and on master, the
#### directory will be nmh, but with snapshot, it will be
#### nmh-master.
download_sources() {
[ $verbose -ge 1 ] && echo downloading . . . >&3
gitdir=`finddir git`
if [ "$gitdir" ]; then
#### Use git repo.
[ "$verbose" -eq 0 ] && git_opts=--quiet
[ "$branch" = master ] ||
git_opts="${git_opts:+$git_opts }--branch $branch"
if "$gitdir"/git clone --depth 1 $git_opts "git://$gitrepo/nmh.git" >&3
then
directory=nmh
cd "$directory" || die "failed to clone $directory"
printf "commit %s\n" `git log --max-count=1 --pretty=format:%H`
else
die 'failed to clone git repo'
fi
else
[ -e nmh-"$branch" ] && die "nmh-$branch exists, will not overrwrite"
#### Use snapshot.
tarball="nmh-$branch.tar.gz"
repo="http://$gitrepo/cgit/nmh.git/snapshot"
snapshot="$repo/$tarball"
if [ "`finddir wget`" ]; then
[ "$verbose" -eq 0 ] && wget_opts='--quiet'
wget --output-document - $wget_opts "$snapshot" 2>&3 | gzip -d | tar xf -
elif [ "`finddir curl`" ]; then
[ "$verbose" -eq 0 ] && curl_opts='--silent --show-error'
curl --location $curl_opts "$snapshot" 2>&3 | gzip -d | tar xf -
else
die 'unable to find program to download nmh sources'
fi
if [ -d nmh-"$branch" ]; then
directory=nmh-"$branch"
cd "$directory" || die "failed to download and extract $directory"
else
die "failed to download nmh-$branch sources"
fi
fi
}
directory=
download=0
gitrepo=git.savannah.nongnu.org
invocation="$0 $*"
status=1
tmpfile=/tmp/build_nmh-$$.log
#### Redirect all output to tmp file. Then on EXIT, copy it to either
#### logfile or stdout. Also, grep it for errors and warnings. Set
#### tmpfile just prior to this, see cleanup().
exec 3>&1 4>&2 >"$tmpfile" 2>&1
####
#### Interpret command arguments.
####
branch=master
check=check
debug=0
install=0
build_rpm=0
superclean=0
verbose=0
yes=0
#### With dash, heirloom shell, and posh, need to catch INT and QUIT
#### in order for cleanup to be call: just EXIT isn't sufficient.
trap cleanup EXIT INT QUIT
while getopts 'cb:dil:rsvy?' arg; do
case $arg in
b ) branch="$OPTARG" ;;
c ) check=distcheck ;;
d ) debug=1 ;;
i ) install=1 ;;
l ) logfile=$OPTARG ;;
r ) build_rpm=1 ;;
s ) superclean=1 ;;
v ) verbose=1 ;;
y ) yes=1 ;;
'?') echo "$0: $usage"; logfile=-; status=0; exit ;;
esac
done
shift `expr $OPTIND - 1`
echo "$invocation"
#### No non-option command line arguments are supported.
[ $# -gt 0 ] && die "$usage"
#### Check to see that we're in a nmh source directory.
if grep 'the authors of nmh' COPYRIGHT >/dev/null 2>&1; then
:
else
download=1
fi
####
#### Set up configure options.
####
#### Here are the config options that we will try to detect, then
#### confirm, and finally set.
config_prefix=/usr/local/nmh
config_locking=
config_mts=smtp
config_smtpserver=localhost
config_sasl='determined by configure'
config_tls='determined by configure'
config_debug=n
#### Figure out whether or not to use -n with tail.
case `printf 'OK\n' | tail -n 1 2>&1` in
OK) tail='tail -n ' ;;
*) tail='tail -' ;;
esac
if install-mh -check >/dev/null 2>&1; then
#### Determine config options from installed nmh.
mhbin=`finddir install-mh`
config_prefix=`cd $mhbin/.. && pwd`
mtsconf=`mhparam etcdir`/mts.conf
if [ -f "$mtsconf" ]; then
mts_entry=`grep '^mts:' "$mtsconf"`
if [ "$mts_entry" ]; then
mts=`echo "$mts_entry" | sed -e 's/^mts: *//'`
if [ "$mts" -a "$mts" != smtp ]; then
config_mts="$mts"
fi
fi
mtsconfservers=`grep '^servers:' "$mtsconf"`
if [ "$mtsconfservers" ]; then
servers=`echo "$mtsconfservers" | sed -e 's/^servers: *//'`
[ "$servers" ] && config_smtpserver="$servers"
fi
fi
if test -x "$mhbin/mhparam"; then
if mhparam sasl >/dev/null; then
case `$mhbin/mhparam sasl` in
*sasl*) config_sasl=y ;;
esac
case `$mhbin/mhparam tls` in
*tls*) config_tls=y ;;
esac
else
tput smso
echo "$0: SASL and TLS detection not supported with current nmh"
[ $yes -eq 1 ] && echo "configure will determine whether to enable"
tput rmso
fi
fi
fi
#### Don't confirm debug interactively below; obey the -d option.
[ $debug -ge 1 ] && config_debug=y
if [ $yes -eq 0 ]; then
#### Confirm each config setting with user.
printf 'Install prefix [%s]: ' $config_prefix >&3
read prefix
[ "$prefix" ] && config_prefix="$prefix"
printf 'Locking type (dot|fcntl|flock|lockf) [determined by configure]: ' >&3
read locking
[ "$locking" ] && config_locking="$locking"
printf 'MTS (smtp|sendmail/smtp|sendmail/pipe) [%s]: ' $config_mts >&3
read mts
[ "$mts" ] && config_mts="$mts"
if [ "$config_mts" = smtp ]; then
printf 'SMTP server [%s]: ' $config_smtpserver >&3
read server
[ "$server" ] && config_smtpserver="$servers"
fi
printf 'Cyrus SASL support (y|n) [%s]: ' "$config_sasl" >&3
read response
[ "$response" = y -o "$response" = Y ] && config_sasl=y
printf 'TLS support (y|n) [%s]: ' "$config_tls" >&3
read response
[ "$response" = y -o "$response" = Y ] && config_tls=y
fi
config_opts="--prefix=$config_prefix"
[ "$config_locking" ] &&
config_opts="$config_opts --with-locking=$config_locking"
[ "$config_mts" -a "$config_mts" != smtp ] &&
config_opts="$config_opts --with-mts=$config_mts"
[ "$config_smtpserver" -a "$config_smtpserver" != localhost ] &&
config_opts="$config_opts --with-smtpserver=$config_smtpserver"
[ "$config_sasl" = y ] && config_opts="$config_opts --with-cyrus-sasl"
[ "$config_tls" = y ] && config_opts="$config_opts --with-tls"
[ $config_debug = y ] && config_opts="$config_opts --enable-assert"
#### dotlocking, the usual default, requires chgrp and chmod of inc.
installpriv=
if [ $install -ge 1 -a "$LOGNAME" != root ]; then
if [ "$config_locking" = dot ]; then
echo "$0: "'install requires chgrp and chmod 2755'
echo 'so will sudo to install. Terminate with Ctrl-C if unacceptable.'
installpriv=sudo
fi
fi
printf '\n%s %s %s %s\n\n' "`uname -m`" "`uname -s`" "`uname -r`" "`uname -v`"
[ -f /etc/os-release ] && printf '%s\n\n' "`cat /etc/os-release`"
[ $download -eq 1 ] && download_sources
####
#### Set up with autoconfig if necessary.
####
if [ -f Makefile ]; then
[ $verbose -ge 1 ] && echo cleaning . . . >&3
if [ $superclean -ge 1 ]; then
make superclean >/dev/null
else
make distclean >/dev/null
fi
fi
if [ ! -f configure -o ! -f Makefile.in ]; then
[ $verbose -ge 1 ] && echo autoconfiguring . . . >&3
./autogen.sh
[ $? -ne 0 ] &&
die "autogen failed, see MACHINES file for autoconf,
automake, flex, and bison requirements"
fi
####
#### Build.
####
[ $verbose -ge 1 ] && echo configuring . . . >&3
if [ -z "$CFLAGS" ]; then
#### Only use these flags with gcc.
if cc -dM -E - </dev/null 2>&1 | grep __GNUC__ >/dev/null; then
#### configure will supply -g -O2 with gcc, but only if CFLAGS
#### isn't defined.
CFLAGS='-g -std=c99 -pedantic'
if [ "$config_debug" = n ]; then
CFLAGS="$CFLAGS -O2 -D_FORTIFY_SOURCE=2"
else
CFLAGS="$CFLAGS -O0"
fi
fi
fi
printf "\n./configure ${CFLAGS:+CFLAGS=\"${CFLAGS}\" }$config_opts\n"
./configure ${CFLAGS:+CFLAGS="${CFLAGS}"" "}$config_opts
status=$?
if [ $status -eq 0 ]; then
[ $verbose -ge 1 ] && echo building . . . >&3
make
status=$?
if [ $status -eq 0 ]; then
if [ "$TESTS_SHELL"x = x ]; then
#### Bonus: use heirloom shell to test, if available, and if
#### TESTS_SHELL hadn't already been set.
heirloom_shell=/usr/lib/heirloom/5bin/sh
if [ -x "$heirloom_shell" ]; then
TESTS_SHELL="$heirloom_shell"; export TESTS_SHELL
fi
fi
if [ "$CFLAGS" ]; then
#### Pass DISTCHECK_CONFIGURE_FLAGS through an environment
#### variable to avoid automake's quoting.
DISTCHECK_CONFIGURE_FLAGS="CFLAGS='${CFLAGS}'"
export DISTCHECK_CONFIGURE_FLAGS
fi
[ $verbose -ge 1 ] && echo testing . . . >&3
[ "${TERM:-dumb}" = dumb ] && color=no || color=always
checkoutput=`make $check AM_COLOR_TESTS=$color`
status=$?
tests_summary=`echo "$checkoutput" | grep tests`
#### If multiple tests not run, that line will be caught by the
#### "grep tests" above.
test_not_run=`echo "$checkoutput" | grep 'test was not run'`
fails=`echo "$checkoutput" | grep FAIL`
if [ "$tests_summary" ]; then
echo '==================='
[ "$test_not_run" ] && echo "$test_not_run"
[ "$fails" ] && echo "$fails"
echo "$tests_summary"
echo '==================='
[ "$check" = distcheck ] && echo "$checkoutput" | ${tail}4
fi
if [ $status -eq 0 ]; then
if [ $install -ge 1 ]; then
[ $verbose -ge 1 ] && echo installing . . . >&3
($installpriv make install) >/dev/null
status=$?
fi
if [ $status -eq 0 -a $build_rpm -ge 1 ]; then
[ $verbose -ge 1 ] && echo building rpm . . . >&3
make rpm >/dev/null
status=$?
fi
fi
fi
else
echo "see nmh MACHINES file for build dependences"
fi
#### Will call cleanup, which will exit with $status.
exit
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