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#! /bin/sh
# Copyright (C) 2012-2015 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/>.
# Dependency tracking in the face of added/removed/renamed files.
# This is meant to be sourced by other the tests, after they've
# set the variables '$xdir' and '$vpath' appropriately.
required=cc
. test-init.sh
test x${xdir+"set"} = x"set" || fatal_ "\$xdir is unset"
test x${vpath+"set"} = x"set" || fatal_ "\$vpath is unset"
if test $vpath = no; then
srcdir=.
elif test $vpath = yes; then
srcdir=..
else
fatal_ "invalid value for \$vpath: '$vpath'"
fi
if test -z "$xdir"; then
thedir=$srcdir
else
thedir=$srcdir/$xdir
xdir=$xdir/
fi
finalize_edit ()
{
diff "$1" t && exit 1
mv -f t "$2"
}
func_subst ()
{
subst=$1; shift
for file
do
sed "$subst" "$file" > t
finalize_edit "$subst" "$file"
done
}
prepend ()
{
cat "$1" "$2" > t
finalize_edit "$@"
}
if cross_compiling; then
grep_prog_out () { :; }
else
grep_prog_out () { ./prg && ./prg | grep "$1" || exit 1; }
fi
cat >> configure.ac <<'END'
AC_PROG_CC
AM_PROG_AR
AC_PROG_RANLIB
AC_OUTPUT
END
cat > Makefile.am <<END
noinst_PROGRAMS = prg
noinst_LIBRARIES = liber.a
prg_SOURCES = ${xdir}main.c
liber_a_SOURCES = ${xdir}niam.c
get-exeext:
@echo \$(EXEEXT)
END
cat configure.ac # For debugging.
cat Makefile.am # Likewise.
test -z "$xdir" || mkdir "$xdir"
echo '#define THE_STRING "foofoofoo"' > ${xdir}foo.h
cat > ${xdir}main.c << 'END'
#include "foo.h"
#include <stdio.h>
int main (void)
{
printf ("%s\n", THE_STRING);
return 0;
}
END
sed 's/main/niam/' ${xdir}main.c > ${xdir}niam.c
$ACLOCAL
$AUTOCONF
$AUTOMAKE -a
test $vpath = no || { mkdir build && cd build; } || exit 99
$srcdir/configure --enable-dependency-tracking
$MAKE
grep_prog_out foofoofoo # Sanity check.
EXEEXT=$($MAKE -s --no-print-directory get-exeext) \
|| fatal_ "cannot get \$EXEEXT"
# Modify an header file.
$sleep
echo '#define THE_STRING "oofoofoof"' > $thedir/foo.h
$MAKE
is_newest prg$EXEEXT $thedir/foo.h
is_newest liber.a $thedir/foo.h
grep_prog_out oofoofoof
# Rename an header file.
$sleep
mv $thedir/foo.h $thedir/foo2.h
func_subst 's|foo\.h|foo2.h|' $thedir/main.c $thedir/niam.c
$MAKE
is_newest prg$EXEEXT $thedir/main.c
is_newest liber.a $thedir/niam.c
grep_prog_out oofoofoof
# Add an header file, modify another one.
$sleep
mv $thedir/foo2.h $thedir/bar.h
echo '#include "bar.h"' > $thedir/foo2.h
$MAKE
grep_prog_out oofoofoof
is_newest prg$EXEEXT $thedir/foo2.h
is_newest liber.a $thedir/foo2.h
# Remove an header file, modify another one.
$sleep
echo '#define THE_STRING "bazbazbaz"' > $thedir/foo2.h
rm -f $thedir/bar.h
$MAKE
is_newest prg$EXEEXT $thedir/foo2.h
is_newest liber.a $thedir/foo2.h
grep_prog_out bazbazbaz
# Add two header files, rename another file.
$sleep
echo '#define S_ONE "zar"' > $thedir/1.h
echo '#define S_TWO "doz"' > $thedir/2.h
cat > $thedir/baz.h <<'END'
#include "1.h"
#include "2.h"
#define THE_STRING S_ONE S_TWO
END
func_subst 's|foo2\.h|baz.h|' $thedir/main.c $thedir/niam.c
rm -f $thedir/foo2.h
$MAKE
is_newest prg$EXEEXT $thedir/*.[ch]
is_newest liber.a $thedir/*.[ch]
grep_prog_out zardoz
# Check the distribution.
$sleep
echo prg_SOURCES += ${xdir}baz.h ${xdir}1.h ${xdir}2.h >> $srcdir/Makefile.am
$MAKE distcheck
:
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