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wget/configure.in

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dnl Template file for GNU Autoconf
dnl Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
dnl This program 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 This program 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 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., 675 Mass Ave, Cambridge, MA 02139, USA.
dnl
dnl Process this file with autoconf to produce a configure script.
dnl
AC_INIT(src/version.c)
AC_PREREQ(2.12)
AC_CONFIG_HEADER(src/config.h)
dnl
dnl What version of Wget are we building?
dnl
VERSION=`sed -e 's/^.*"\(.*\)";$/\1/' ${srcdir}/src/version.c`
echo "configuring for GNU Wget $VERSION"
AC_SUBST(VERSION)
PACKAGE=wget
AC_SUBST(PACKAGE)
dnl
dnl Get cannonical host
dnl
AC_CANONICAL_HOST
AC_DEFINE_UNQUOTED(OS_TYPE, "$host_os")
dnl
dnl Process features.
dnl
AC_ARG_WITH(socks,
[ --with-socks use the socks library],
[AC_DEFINE(HAVE_SOCKS)])
AC_ARG_WITH(ssl,
[ --with-ssl[=SSL_ROOT] link with libssl [in SSL_ROOT/lib] for https: support])
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AC_ARG_ENABLE(opie,
[ --disable-opie disable support for opie or s/key FTP login],
USE_OPIE=$enableval, USE_OPIE=yes)
test x"${USE_OPIE}" = xyes && AC_DEFINE(USE_OPIE)
AC_ARG_ENABLE(digest,
[ --disable-digest disable support for HTTP digest authorization],
USE_DIGEST=$enableval, USE_DIGEST=yes)
test x"${USE_DIGEST}" = xyes && AC_DEFINE(USE_DIGEST)
AC_ARG_ENABLE(debug,
[ --disable-debug disable support for debugging output],
DEBUG=$enableval, DEBUG=yes)
test x"${DEBUG}" = xyes && AC_DEFINE(DEBUG)
case "${USE_OPIE}${USE_DIGEST}" in
*yes*)
MD5_OBJ='md5$o'
esac
if test x"$USE_OPIE" = xyes; then
OPIE_OBJ='ftp-opie$o'
fi
AC_SUBST(MD5_OBJ)
AC_SUBST(OPIE_OBJ)
dnl
dnl Whether make sets $(MAKE)...
dnl
AC_PROG_MAKE_SET
dnl
dnl Find a good install
dnl
AC_PROG_INSTALL
dnl
dnl Configure our included libtool and make sure it's regenerated when needed
dnl
AM_PROG_LIBTOOL
AC_SUBST(LIBTOOL_DEPS)
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dnl
dnl Find the compiler
dnl
dnl We want these before the checks, so the checks can modify their values.
test -z "$CFLAGS" && CFLAGS= auto_cflags=1
test -z "$CC" && cc_specified=yes
AC_PROG_CC
dnl
dnl if the user hasn't specified CFLAGS, then
dnl if compiler is gcc, then use -O2 and some warning flags
dnl else use os-specific flags or -O
dnl
if test -n "$auto_cflags"; then
if test -n "$GCC"; then
CFLAGS="$CFLAGS -O2 -Wall -Wno-implicit"
else
case "$host_os" in
*hpux*) CFLAGS="$CFLAGS +O3" ;;
*ultrix* | *osf*) CFLAGS="$CFLAGS -O -Olimit 2000" ;;
*) CFLAGS="$CFLAGS -O" ;;
esac
fi
fi
dnl
dnl Handle AIX
dnl
AC_AIX
dnl
dnl In case of {cyg,gnu}win32. Should be a _target_ test.
dnl Might also be erelevant for DJGPP.
dnl
case "$host_os" in
*win32) exeext='.exe';;
*) exeext='';;
esac
AC_SUBST(exeext)
dnl
dnl Check if we can handle prototypes.
dnl
AM_C_PROTOTYPES
dnl
dnl Checks for typedefs, structures, and compiler characteristics.
dnl
AC_C_CONST
AC_TYPE_SIZE_T
AC_TYPE_PID_T
dnl #### This generates a warning. What do I do to shut it up?
AC_C_BIGENDIAN
# Check size of long.
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
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dnl
dnl Checks for headers
dnl
AC_CHECK_HEADERS(string.h stdarg.h unistd.h sys/time.h utime.h sys/utime.h)
AC_CHECK_HEADERS(sys/select.h sys/utsname.h pwd.h signal.h)
AC_HEADER_TIME
dnl
dnl Return type of signal-handlers
dnl
AC_TYPE_SIGNAL
dnl
dnl Check for struct utimbuf
WGET_STRUCT_UTIMBUF
dnl
dnl Checks for library functions.
dnl
AC_FUNC_ALLOCA
AC_FUNC_MMAP
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AC_CHECK_FUNCS(strdup strstr strcasecmp strncasecmp)
AC_CHECK_FUNCS(gettimeofday mktime strptime)
AC_CHECK_FUNCS(strerror snprintf vsnprintf select signal symlink access isatty)
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AC_CHECK_FUNCS(uname gethostname)
AC_CHECK_FUNCS(gethostbyname, [], [
AC_CHECK_LIB(nsl, gethostbyname)
])
dnl
dnl Checks for libraries.
dnl
AC_CHECK_LIB(socket, socket)
dnl #### This appears to be deficient with later versions of SOCKS.
if test "x${with_socks}" = xyes
then
AC_CHECK_LIB(resolv, main)
AC_CHECK_LIB(socks, Rconnect)
fi
dnl If --with-ssl was specified, make sure we can link with the OpenSSL libs.
if test x"$with_ssl" != x -a x"$with_ssl" != x"no"; then
if test x"$with_ssl" = x"yes"; then
dnl OpenSSL's default install location:
with_ssl=/usr/local/ssl
fi
SSL_INCLUDES=-I$with_ssl/include
AC_SUBST(SSL_INCLUDES)
LDFLAGS="-L$with_ssl/lib -R$with_ssl/lib $LDFLAGS"
ssl_link_failure=no
dnl Unfortunately, as of this writing (OpenSSL 0.9.6), the libcrypto shared
dnl library doesn't record its dependency on libdl, so we need to check for it
dnl ourselves so we won't fail to link due to a lack of -ldl. Most OSes use
dnl dlopen(), but HP-UX uses shl_load().
AC_CHECK_LIB(dl,dlopen)
AC_CHECK_LIB(dl,shl_load)
dnl These checks need to be in this order, or you'll get a link failure if you
dnl use a static libcrypto.a and libssl.a rather than shared libraries.
AC_CHECK_LIB(crypto,RSA_new,,ssl_link_failure=yes)
AC_CHECK_LIB(ssl,SSL_new,,ssl_link_failure=yes)
if test x"$ssl_link_failure" = x"yes"; then
echo
echo "WARNING: Failed to link with OpenSSL libraries in $with_ssl/lib."
echo " Wget will be built without support for https://... URLs."
echo
else
AC_DEFINE(HAVE_SSL)
SSL_OBJ='gen_sslfunc$o'
AC_SUBST(SSL_OBJ)
fi
fi
dnl
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dnl Set of available languages.
dnl
ALL_LINGUAS=`(cd ${srcdir}/po && ls *.po | sed -e 's/\.po$//')`
dnl Original from autoconf, I think.
dnl ALL_LINGUAS="cs de hr it no pl pt_BR ru"
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dnl internationalization macros
WGET_WITH_NLS
dnl
dnl Find makeinfo. If makeinfo is not found, look for Emacs. If
dnl Emacs cannot be found, look for XEmacs.
dnl
AC_CHECK_PROGS(MAKEINFO, makeinfo emacs xemacs)
case "${MAKEINFO}" in
*makeinfo) MAKEINFO="${MAKEINFO} \$(srcdir)/wget.texi" ;;
*emacs | *xemacs) MAKEINFO="${MAKEINFO} -batch -q -no-site-file -eval '(find-file \"\$(srcdir)/wget.texi\")' -l texinfmt -f texinfo-format-buffer -f save-buffer" ;;
*) MAKEINFO="makeinfo \$(srcdir)/wget.texi" ;;
esac
dnl
dnl Find perl and pod2man
dnl
AC_PATH_PROGS(PERL, perl5 perl, no)
AC_PATH_PROG(POD2MAN, pod2man, no)
if test "x${POD2MAN}" = xno; then
COMMENT_IF_NO_POD2MAN="# "
else
COMMENT_IF_NO_POD2MAN=
fi
AC_SUBST(COMMENT_IF_NO_POD2MAN)
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dnl
dnl Create output
dnl
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AC_OUTPUT([Makefile src/Makefile doc/Makefile util/Makefile po/Makefile.in
windows/Makefile],
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[WGET_PROCESS_PO
test -z "$CONFIG_HEADERS" || echo timestamp > stamp-h])