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dnl
dnl configure.in --- autoconf input file for gawk
dnl
dnl Copyright (C) 1995-2000 the Free Software Foundation, Inc.
dnl
dnl This file is part of GAWK, the GNU implementation of the
dnl AWK Programming Language.
dnl
dnl GAWK is free software; you can redistribute it and/or modify
dnl it under the terms of the GNU General Public License as published by
dnl the Free Software Foundation; either version 2 of the License, or
dnl (at your option) any later version.
dnl
dnl GAWK is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl
dnl You should have received a copy of the GNU General Public License
dnl along with this program; if not, write to the Free Software
dnl Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
dnl
dnl Process this file with autoconf to produce a configure script.
dnl this makes sure that the local install-sh gets found
dnl define(AC_CONFIG_AUX_DIR,)
dnl This is the configure.in script proper
AC_INIT(awk.h)
AC_PREREQ(2.12)
AC_CONFIG_HEADER(config.h:configh.in)
dnl Additional argument stuff
AC_ARG_ENABLE(bitops, [ --enable-bitops Enable Octal and Hex constants and bit functions], AC_DEFINE(BITOPS))
AC_ARG_ENABLE(non-decimal-data, [ --enable-non-decimal-data Enable Octal and Hex constants as valid input data], AC_DEFINE(NONDECDATA))
dnl checks for programs
AC_PROG_YACC
AC_PROG_LN_S
AC_PROG_CC
AC_PROG_CPP
# This is a hack. Different versions of install on different systems
# are just too different. Chuck it and use install-sh.
INSTALL="$srcdir/install-sh -c"; export INSTALL
AC_PROG_INSTALL
AC_PROG_MAKE_SET
if test "$CFLAGS" = ""
then
dnl no user provided CFLAGS, feel free to do this our way
if test "$GCC" = yes
then
CFLAGS="-g -O"
else
dnl go for speed, not debugging. :-)
CFLAGS="-O"
fi
fi
# This is mainly for my use during testing and development.
# Yes, it's a bit of a hack.
if test -f $srcdir/.developing
then
AC_DEFINE(BITOPS)
AC_DEFINE(NONDECDATA)
CFLAGS="$CFLAGS -DARRAYDEBUG"
fi
AC_SUBST(CFLAGS)
dnl checks for systems
AC_AIX
AC_ISC_POSIX
AC_MINIX
GAWK_AC_SYS_LARGEFILE
GAWK_AC_AIX_TWEAK
if test "$ISC" = 1 # will be set by test for ISC
then
dnl need -D_SYSV3 for ISC
CFLAGS="$CFLAGS -D_SYSV3"
fi
dnl checks for header files
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(limits.h locale.h stdarg.h unistd.h signum.h sys/param.h string.h)
if test "$ac_cv_header_string_h" = yes
then
AC_CHECK_HEADERS(memory.h)
else
AC_CHECK_HEADERS(strings.h)
fi
dnl checks for typedefs
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_SIZE_T
AC_TYPE_GETGROUPS
AC_EGREP_HEADER([int.*sprintf], stdio.h,
AC_DEFINE(SPRINTF_RET, int),
AC_DEFINE(SPRINTF_RET, char *))
dnl checks for functions
if test "$YACC" = "bison -y" ||
{ test -f $srcdir/awktab.c && grep 'alloca *(' $srcdir/awktab.c > /dev/null; }
then
AC_FUNC_ALLOCA
fi
AC_DEFINE(REGEX_MALLOC)
AC_FUNC_VPRINTF
AC_CHECK_LIB(m, fmod)
AC_CHECK_FUNCS(madvise memset memcpy memcmp fmod setlocale strchr strerror \
strftime strncasecmp strtod system tzset)
dnl see if we have mmap
AC_FUNC_MMAP
dnl check for how to use getpgrp
dnl have to hardwire it for VMS POSIX. Sigh.
if (uname) > /dev/null 2>&1
then
case `uname` in
*VMS*|*BeOS*)
AC_DEFINE(GETPGRP_VOID)
;;
*HP-UX*) # not getpgrp related
if test "$GCC" = yes
then
:
else
# stupid HP linker leaves the output file
# around even when a link fails. This confuses
# the alloca tests, so we have to do this
# manually. Sucks big time.
LIBS="$LIBS -lPW"
fi
# have to do the getpgrp test since won't
# fall into the default
AC_FUNC_GETPGRP
;;
*) AC_FUNC_GETPGRP
;;
esac
else
AC_FUNC_GETPGRP
fi
dnl checks for structure members
AC_STRUCT_ST_BLKSIZE
AC_HEADER_TIME
AC_STRUCT_TM
AC_STRUCT_TIMEZONE
dnl checks for compiler characteristics
AC_C_CHAR_UNSIGNED
AC_C_CONST
GAWK_AC_C_STRINGIZE
AC_OUTPUT(Makefile doc/Makefile test/Makefile awklib/Makefile, [date > stamp-h])
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