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#! /bin/sh
# Copyright (C) 2008-2012 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# Installing many files should not exceed the command line length limit.
# Here, the main issue is that we may prepend '$(srcdir)/' to each file,
# which may cause much longer command lines. The list of files must
# anyway remain below the limit, otherwise 'make' won't be able to even
# fork the command.
#
# Further, the install rule should honor failures of the install program.
# Python is done in the sister test.
# For texinfos, we expand names using $(srcdir) in the first place.
# Let's hope nobody uses many texinfos.
. ./defs || exit 1
# In order to have a useful test on modern systems (which have a high
# limit, if any), use a fake install program that errors out for more
# than 2K characters in a command line. The POSIX limit is 4096, but
# that may include space taken up by the environment.
limit=2500
subdir=long_subdir_name_with_many_characters
nfiles=81
list=$(seq_ 1 $nfiles)
sed "s|@limit@|$limit|g" >myinstall.in <<'END'
#! /bin/sh
# Fake install script. This doesn't really install
# (the INSTALL path below would be wrong outside this directory).
limit=@limit@
INSTALL='@INSTALL@'
len=`expr "$INSTALL $*" : ".*" 2>/dev/null || echo $limit`
if test $len -ge $limit; then
echo "$0: safe command line limit of $limit characters exceeded" >&2
exit 1
fi
exit 0
END
# Creative quoting in the next line to please maintainer-check.
sed "s|@limit@|$limit|g" >'rm' <<'END'
#! /bin/sh
limit=@limit@
PATH=$save_PATH
export PATH
RM='rm -f'
len=`expr "$RM $*" : ".*" 2>/dev/null || echo $limit`
if test $len -ge $limit; then
echo "$0: safe command line limit of $limit characters exceeded" >&2
exit 1
fi
exec $RM "$@"
exit 1
END
chmod +x rm
cat >>configure.ac <<END
AC_CONFIG_FILES([myinstall], [chmod +x ./myinstall])
AC_CONFIG_FILES([$subdir/Makefile])
AC_OUTPUT
END
cat >Makefile.am <<END
SUBDIRS = $subdir
END
mkdir $subdir
cd $subdir
cat >Makefile.am <<'END'
bin_SCRIPTS =
nobase_bin_SCRIPTS =
data_DATA =
nobase_data_DATA =
include_HEADERS =
nobase_include_HEADERS =
END
for n in $list; do
unindent >>Makefile.am <<END
bin_SCRIPTS += script$n
nobase_bin_SCRIPTS += nscript$n
data_DATA += data$n
nobase_data_DATA += ndata$n
include_HEADERS += header$n.h
nobase_include_HEADERS += nheader$n.h
END
echo >script$n
echo >nscript$n
echo >data$n
echo >ndata$n
echo >header$n.h
echo >nheader$n.h
done
cd ..
$ACLOCAL
$AUTOCONF
$AUTOMAKE --add-missing
instdir=$(pwd)/inst
mkdir build
cd build
../configure --prefix="$instdir"
$MAKE
# Try whether native install (or install-sh) works.
$MAKE install
# Multiple uninstall should work, too.
$MAKE uninstall
$MAKE uninstall
test $(find "$instdir" -type f -print | wc -l) -eq 0
# Try whether we don't exceed the low limit.
$MAKE install INSTALL='$(SHELL) $(top_builddir)/myinstall'
env save_PATH="$PATH" PATH="$(pwd)/..$PATH_SEPARATOR$PATH" $MAKE uninstall
cd $subdir
srcdir=../../$subdir
# Ensure 'make install' fails when 'install' fails.
# We cheat here, for efficiency, knowing the internal rule names.
# For correctness, one should '$MAKE install' here always, or at
# least use install-exec or install-data.
for file in script3 script$nfiles
do
chmod a-r $srcdir/$file
test ! -r $srcdir/$file || skip_ "cannot drop file read permissions"
$MAKE install-binSCRIPTS && exit 1
chmod u+r $srcdir/$file
done
for file in nscript3 nscript$nfiles
do
chmod a-r $srcdir/$file
$MAKE install-nobase_binSCRIPTS && exit 1
chmod u+r $srcdir/$file
done
for file in data3 data$nfiles
do
chmod a-r $srcdir/$file
$MAKE install-dataDATA && exit 1
chmod u+r $srcdir/$file
done
for file in ndata3 ndata$nfiles
do
chmod a-r $srcdir/$file
$MAKE install-nobase_dataDATA && exit 1
chmod u+r $srcdir/$file
done
for file in header3.h header$nfiles.h
do
chmod a-r $srcdir/$file
$MAKE install-includeHEADERS && exit 1
chmod u+r $srcdir/$file
done
for file in nheader3.h nheader$nfiles.h
do
chmod a-r $srcdir/$file
$MAKE install-nobase_includeHEADERS && exit 1
chmod u+r $srcdir/$file
done
:
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