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# Configure template for gzip.
# Copyright (C) 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
# Copyright (C) 1992-1993 Jean-loup Gailly
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
# 02111-1307, USA.
AC_PREREQ(2.54)
AC_INIT(gzip, 1.3.5, bug-gzip@gnu.org)
AC_CONFIG_SRCDIR(gzip.c)
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(config.h)
AC_PROG_CC
AC_PROG_CPP
AC_PROG_LN_S
AC_PROG_SHELL
AC_AIX
AC_GNU_SOURCE
AC_MINIX
AC_SYS_LARGEFILE
# cc -E produces incorrect asm files on SVR4, we must use /lib/cpp.
test -z "$ASCPP" && test -f /lib/cpp && ASCPP=/lib/cpp
test -z "$ASCPP" && ASCPP="$CPP"
AC_CACHE_CHECK([for underline in external names], [gzip_cv_underline],
[gzip_cv_underline=yes
AC_TRY_COMPILE([int foo() {return 0;}], [],
[nm conftest.$OBJEXT | grep _foo >/dev/null 2>&1 ||
gzip_cv_underline=no])])
if test $gzip_cv_underline = no; then
ASCPP="${ASCPP} -DNO_UNDERLINE"
fi
AC_OBJEXT
# Try to assemble match.S.
# "gcc -E match.s" ignores -E, so we must use match.S.
AC_CACHE_CHECK([for assembler], [gzip_cv_assembler],
[gzip_cv_assembler=no
case " $DEFS " in
*' NO_ASM '*) ;;
*)
if cp $srcdir/match.c _match.S &&
eval "$ASCPP _match.S > _match.s 2>/dev/null"; then
if test ! -s _match.s || grep error < _match.s > /dev/null; then
:
elif eval "$CC -c _match.s >/dev/null 2>&1" &&
test -f _match.$OBJEXT; then
gzip_cv_assembler=yes
fi
fi
rm -f _match.S _match.s _match.$OBJEXT;;
esac])
if test $gzip_cv_assembler = yes; then
AC_DEFINE(ASMV, ,
[Define if an assembler version of longest_match is available.])
AC_LIBOBJ(match)
fi
AC_ISC_POSIX
AC_C_CONST
AC_HEADER_STDC
AC_CHECK_HEADERS(fcntl.h limits.h memory.h \
sys/utime.h time.h utime.h)
AC_CHECK_FUNCS(lstat utime)
AC_REPLACE_FUNCS(rpmatch)
AC_HEADER_DIRENT
AC_TYPE_SIGNAL
AC_TYPE_SIZE_T
AC_TYPE_OFF_T
AC_SYS_INTERPRETER
case $interpval in
yes) SEDCMD='1d';;
*) SEDCMD='';;
esac
AC_PREFIX_PROGRAM(gzip)
AC_SUBST(ASCPP)dnl
AC_SUBST(SEDCMD)dnl
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
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