NetBSD/gnu/dist/gawk/configure.ac
wiz b83f0ec829 Initial import of gawk-3.1.3.
Seven releases since the last import, so the ChangeLog is quite big;
please refer to the NEWS file included in the import for details.
Among others, this also addresses PR 23054.
2003-10-06 15:43:45 +00:00

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dnl
dnl configure.ac --- autoconf input file for gawk
dnl
dnl Copyright (C) 1995-2003 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 *** IMPORTANT ***: Fix version in both AC_INIT and AM_INIT_AUTOMAKE
AC_INIT([GNU Awk], 3.1.3, bug-gawk@gnu.org, gawk)
# This is a hack. Different versions of install on different systems
# are just too different. Chuck it and use install-sh.
#
# If the user supplies $INSTALL, figure they know what they're doing.
#
# With Autoconf 2.5x, this needs to come very early on, but *after*
# the INIT macro. Sigh.
if test "x$INSTALL" = "x"
then
INSTALL="$srcdir/install-sh -c"
export INSTALL
fi
AC_PREREQ(2.57)
AC_CONFIG_HEADERS([config.h:configh.in], [cat $srcdir/custom.h >> config.h])
AM_INIT_AUTOMAKE(gawk, 3.1.3)
dnl Additional argument stuff
AC_ARG_ENABLE(portals, [ --enable-portals Enable /p as path prefix for portals],
if test "$enableval" = yes
then
AC_DEFINE(HAVE_PORTALS, 1, [we have portals on /p on this system])
fi
)
AC_ARG_WITH(whiny-user-strftime, [ --with-whiny-user-strftime Force use of included version of strftime for deficient systems],
if test "$withval" = yes
then
AC_DEFINE(USE_INCLUDED_STRFTIME, 1,
[force use of our version of strftime])
fi
)
AC_ARG_ENABLE([lint], [ --disable-lint Disable gawk lint checking],
if test "$enableval" = no
then
AC_DEFINE(NO_LINT, 1, [disable lint checks])
fi
)
AC_ARG_ENABLE(switch, [ --enable-switch Enable switch statements for awk programs],
if test "$enableval" = yes
then
AC_DEFINE(ALLOW_SWITCH, 1, [switch statements are enabled in awk programs])
fi
)
dnl checks for programs
AC_PROG_EGREP
AC_PROG_YACC
AC_PROG_LN_S
AC_PROG_CC
AC_PROG_CPP
AC_PROG_RANLIB
AC_OBJEXT
AC_EXEEXT
AC_PROG_INSTALL
AC_PROG_MAKE_SET
# This is mainly for my use during testing and development.
# Yes, it's a bit of a hack.
AC_MSG_CHECKING([for special development options])
if test -f $srcdir/.developing
then
# add other debug flags as appropriate, save GAWKDEBUG for emergencies
CFLAGS="$CFLAGS -DARRAYDEBUG"
# turn on compiler warnings if we're doing development
if test "$GCC" = yes
then
CFLAGS="$CFLAGS -Wall"
fi
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
AC_SUBST(CFLAGS)
dnl checks for systems
AC_AIX
AC_ISC_POSIX
AC_MINIX
AC_SYS_LARGEFILE
GAWK_AC_AIX_TWEAK
GAWK_AC_LINUX_ALPHA
if test "$ISC" = 1 # will be set by test for ISC
then
dnl need -D_SYSV3 for ISC
CFLAGS="$CFLAGS -D_SYSV3"
fi
dnl check for C compiler for automake
AM_PROG_CC_STDC
AM_C_PROTOTYPES
dnl Cygwin doesn't like to get libs with full paths
dnl since that overrides linking against DLLs.
case `(uname) 2> /dev/null` in
*CYGWIN*)
with_libiconv_prefix=no
with_libintl_prefix=no
;;
*)
;;
esac
dnl initialize GNU gettext
AM_GNU_GETTEXT([no-libtool], [need-ngettext])
AM_GNU_GETTEXT_VERSION(0.12.1)
dnl checks for header files
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_HEADER_TIME
AC_CHECK_HEADERS(fcntl.h limits.h locale.h libintl.h mcheck.h \
netdb.h netinet/in.h signum.h stdarg.h string.h \
sys/param.h sys/socket.h sys/time.h unistd.h \
termios.h stropts.h wchar.h wctype.h)
if test "$ac_cv_header_string_h" = yes
then
AC_CHECK_HEADERS(memory.h)
else
AC_CHECK_HEADERS(strings.h)
fi
dnl checks for typedefs
AC_TYPE_PID_T
AC_TYPE_SIGNAL
AC_SIZE_T
AC_TYPE_GETGROUPS
jm_AC_TYPE_LONG_LONG
jm_AC_TYPE_UNSIGNED_LONG_LONG
jm_AC_TYPE_INTMAX_T
jm_AC_TYPE_UINTMAX_T
AC_CHECK_TYPE(ssize_t, int)
AC_EGREP_HEADER([int.*sprintf], stdio.h,
AC_DEFINE(SPRINTF_RET, int, [return type of sprintf]),
AC_DEFINE(SPRINTF_RET, char *))
dnl see if time_t is defined in <sys/types.h>
AC_TRY_COMPILE([#include <sys/types.h>],[
time_t foo;
foo = 0;
],
AC_DEFINE(TIME_T_IN_SYS_TYPES_H, 1,
[some systems define this type here]))
dnl checks for functions
AC_DEFINE(REGEX_MALLOC, 1, [use malloc instead of alloca in regex.c])
AC_FUNC_VPRINTF
GAWK_AC_FUNC_STRTOD_C89
AC_FUNC_MKTIME
case "$ac_cv_func_working_mktime" in
yes) AC_DEFINE(HAVE_MKTIME, 1, [we have the mktime function])
;;
esac
AC_CHECK_LIB(m, fmod)
AC_CHECK_FUNCS(fmod getgrent getgroups grantpt mbrlen mbrtowc memcmp \
memcpy memset setlocale snprintf strchr strerror \
strftime strncasecmp strtod system tzset wcrtomb wcscoll)
dnl check for dynamic linking
dnl This is known to be very primitive
AC_CHECK_HEADER(dlfcn.h,
[AC_DEFINE([DYNAMIC], 1, [dynamic loading is possible])
if test "$GCC" = yes
then
# Add others here as appropriate,
# one day use GNU libtool.
if uname | $EGREP -i 'linux|freebsd|cygwin' > /dev/null
then
LDFLAGS="$LDFLAGS -export-dynamic"
fi
fi
# Check this separately. Some systems have dlopen
# in libc. Notably freebsd and cygwin.
AC_CHECK_LIB(dl, dlopen)
])
dnl check for how to use getpgrp
dnl have to hardwire it for VMS POSIX. Sigh.
dnl ditto for BeOS, OS/2, and MS-DOS.
case `(uname) 2> /dev/null` in
*VMS*|*BeOS*|*OS/2*|*MS-DOS*)
AC_DEFINE(GETPGRP_VOID, 1,
[Define to 1 if the getpgrp function requires zero arguments.])
;;
*) AC_FUNC_GETPGRP
;;
esac
dnl check for sockets
GAWK_AC_LIB_SOCKETS
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
AC_C_INLINE
AC_C_STRINGIZE
AC_OUTPUT(Makefile \
awklib/Makefile \
doc/Makefile \
intl/Makefile \
po/Makefile.in \
test/Makefile)