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configure.ac
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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2017, Daniel Stenberg, <[email protected]>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.haxx.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
#***************************************************************************
dnl Process this file with autoconf to produce a configure script.
AC_PREREQ(2.57)
dnl We don't know the version number "statically" so we use a dash here
AC_INIT([curl], [-], [a suitable curl mailing list: https://curl.haxx.se/mail/])
XC_OVR_ZZ50
XC_OVR_ZZ60
CURL_OVERRIDE_AUTOCONF
dnl configure script copyright
AC_COPYRIGHT([Copyright (c) 1998 - 2017 Daniel Stenberg, <[email protected]>
This configure script may be copied, distributed and modified under the
terms of the curl license; see COPYING for more details])
AC_CONFIG_SRCDIR([lib/urldata.h])
AC_CONFIG_HEADERS(lib/curl_config.h)
AC_CONFIG_MACRO_DIR([m4])
AM_MAINTAINER_MODE
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
CURL_CHECK_OPTION_DEBUG
CURL_CHECK_OPTION_OPTIMIZE
CURL_CHECK_OPTION_WARNINGS
CURL_CHECK_OPTION_WERROR
CURL_CHECK_OPTION_CURLDEBUG
CURL_CHECK_OPTION_SYMBOL_HIDING
CURL_CHECK_OPTION_ARES
CURL_CHECK_OPTION_RT
XC_CHECK_PATH_SEPARATOR
#
# save the configure arguments
#
CONFIGURE_OPTIONS="\"$ac_configure_args\""
AC_SUBST(CONFIGURE_OPTIONS)
CURL_CFLAG_EXTRAS=""
if test X"$want_werror" = Xyes; then
CURL_CFLAG_EXTRAS="-Werror"
fi
AC_SUBST(CURL_CFLAG_EXTRAS)
dnl SED is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
if test -z "$SED"; then
dnl allow it to be overridden
AC_PATH_PROG([SED], [sed], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
if test -z "$SED" || test "$SED" = "not_found"; then
AC_MSG_ERROR([sed not found in PATH. Cannot continue without sed.])
fi
fi
AC_SUBST([SED])
dnl GREP is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
if test -z "$GREP"; then
dnl allow it to be overridden
AC_PATH_PROG([GREP], [grep], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
if test -z "$GREP" || test "$GREP" = "not_found"; then
AC_MSG_ERROR([grep not found in PATH. Cannot continue without grep.])
fi
fi
AC_SUBST([GREP])
dnl EGREP is mandatory for configure process and libtool.
dnl Set it now, allowing it to be changed later.
if test -z "$EGREP"; then
dnl allow it to be overridden
if echo a | ($GREP -E '(a|b)') >/dev/null 2>&1; then
AC_MSG_CHECKING([for egrep])
EGREP="$GREP -E"
AC_MSG_RESULT([$EGREP])
else
AC_PATH_PROG([EGREP], [egrep], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
fi
fi
if test -z "$EGREP" || test "$EGREP" = "not_found"; then
AC_MSG_ERROR([egrep not found in PATH. Cannot continue without egrep.])
fi
AC_SUBST([EGREP])
dnl AR is mandatory for configure process and libtool.
dnl This is target dependent, so check it as a tool.
if test -z "$AR"; then
dnl allow it to be overridden
AC_PATH_TOOL([AR], [ar], [not_found],
[$PATH:/usr/bin:/usr/local/bin])
if test -z "$AR" || test "$AR" = "not_found"; then
AC_MSG_ERROR([ar not found in PATH. Cannot continue without ar.])
fi
fi
AC_SUBST([AR])
AC_SUBST(libext)
dnl figure out the libcurl version
CURLVERSION=`$SED -ne 's/^#define LIBCURL_VERSION "\(.*\)".*/\1/p' ${srcdir}/include/curl/curlver.h`
XC_CHECK_PROG_CC
dnl Check if gcc is being used before adding AX_CODE_COVERAGE
AS_IF([ test "$GCC" = "yes" ], [AX_CODE_COVERAGE],
# not using GCC so pass a test below - CODE_COVERAGE_ENABLED_TRUE is not zero length
CODE_COVERAGE_ENABLED_TRUE='#'
)
XC_AUTOMAKE
AC_MSG_CHECKING([curl version])
AC_MSG_RESULT($CURLVERSION)
AC_SUBST(CURLVERSION)
dnl
dnl we extract the numerical version for curl-config only
VERSIONNUM=`$SED -ne 's/^#define LIBCURL_VERSION_NUM 0x\([0-9A-Fa-f]*\).*/\1/p' ${srcdir}/include/curl/curlver.h`
AC_SUBST(VERSIONNUM)
dnl Solaris pkgadd support definitions
PKGADD_PKG="HAXXcurl"
PKGADD_NAME="curl - a client that groks URLs"
PKGADD_VENDOR="curl.haxx.se"
AC_SUBST(PKGADD_PKG)
AC_SUBST(PKGADD_NAME)
AC_SUBST(PKGADD_VENDOR)
dnl
dnl initialize all the info variables
curl_ssl_msg="no (--with-{ssl,gnutls,nss,polarssl,mbedtls,cyassl,axtls,winssl,darwinssl} )"
curl_ssh_msg="no (--with-libssh2)"
curl_zlib_msg="no (--with-zlib)"
curl_brotli_msg="no (--with-brotli)"
curl_gss_msg="no (--with-gssapi)"
curl_tls_srp_msg="no (--enable-tls-srp)"
curl_res_msg="default (--enable-ares / --enable-threaded-resolver)"
curl_ipv6_msg="no (--enable-ipv6)"
curl_unix_sockets_msg="no (--enable-unix-sockets)"
curl_idn_msg="no (--with-{libidn2,winidn})"
curl_manual_msg="no (--enable-manual)"
curl_libcurl_msg="enabled (--disable-libcurl-option)"
curl_verbose_msg="enabled (--disable-verbose)"
curl_sspi_msg="no (--enable-sspi)"
curl_ldap_msg="no (--enable-ldap / --with-ldap-lib / --with-lber-lib)"
curl_ldaps_msg="no (--enable-ldaps)"
curl_rtsp_msg="no (--enable-rtsp)"
curl_rtmp_msg="no (--with-librtmp)"
curl_mtlnk_msg="no (--with-libmetalink)"
curl_psl_msg="no (--with-libpsl)"
ssl_backends=
dnl
dnl Save some initial values the user might have provided
dnl
INITIAL_LDFLAGS=$LDFLAGS
INITIAL_LIBS=$LIBS
dnl
dnl Detect the canonical host and target build environment
dnl
AC_CANONICAL_HOST
dnl Get system canonical name
AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])
dnl Checks for programs.
dnl This defines _ALL_SOURCE for AIX
CURL_CHECK_AIX_ALL_SOURCE
dnl Our configure and build reentrant settings
CURL_CONFIGURE_THREAD_SAFE
CURL_CONFIGURE_REENTRANT
dnl check for how to do large files
AC_SYS_LARGEFILE
XC_LIBTOOL
#
# Automake conditionals based on libtool related checks
#
AM_CONDITIONAL([CURL_LT_SHLIB_USE_VERSION_INFO],
[test "x$xc_lt_shlib_use_version_info" = 'xyes'])
AM_CONDITIONAL([CURL_LT_SHLIB_USE_NO_UNDEFINED],
[test "x$xc_lt_shlib_use_no_undefined" = 'xyes'])
AM_CONDITIONAL([CURL_LT_SHLIB_USE_MIMPURE_TEXT],
[test "x$xc_lt_shlib_use_mimpure_text" = 'xyes'])
#
# Due to libtool and automake machinery limitations of not allowing
# specifying separate CPPFLAGS or CFLAGS when compiling objects for
# inclusion of these in shared or static libraries, we are forced to
# build using separate configure runs for shared and static libraries
# on systems where different CPPFLAGS or CFLAGS are mandatory in order
# to compile objects for each kind of library. Notice that relying on
# the '-DPIC' CFLAG that libtool provides is not valid given that the
# user might for example choose to build static libraries with PIC.
#
#
# Make our Makefile.am files use the staticlib CPPFLAG only when strictly
# targeting a static library and not building its shared counterpart.
#
AM_CONDITIONAL([USE_CPPFLAG_CURL_STATICLIB],
[test "x$xc_lt_build_static_only" = 'xyes'])
#
# Make staticlib CPPFLAG variable and its definition visible in output
# files unconditionally, providing an empty definition unless strictly
# targeting a static library and not building its shared counterpart.
#
CPPFLAG_CURL_STATICLIB=
if test "x$xc_lt_build_static_only" = 'xyes'; then
CPPFLAG_CURL_STATICLIB='-DCURL_STATICLIB'
fi
AC_SUBST([CPPFLAG_CURL_STATICLIB])
# Determine whether all dependent libraries must be specified when linking
if test "X$enable_shared" = "Xyes" -a "X$link_all_deplibs" = "Xno"
then
REQUIRE_LIB_DEPS=no
else
REQUIRE_LIB_DEPS=yes
fi
AC_SUBST(REQUIRE_LIB_DEPS)
AM_CONDITIONAL(USE_EXPLICIT_LIB_DEPS, test x$REQUIRE_LIB_DEPS = xyes)
dnl check if there's a way to force code inline
AC_C_INLINE
dnl **********************************************************************
dnl platform/compiler/architecture specific checks/flags
dnl **********************************************************************
CURL_CHECK_COMPILER
CURL_SET_COMPILER_BASIC_OPTS
CURL_SET_COMPILER_DEBUG_OPTS
CURL_SET_COMPILER_OPTIMIZE_OPTS
CURL_SET_COMPILER_WARNING_OPTS
if test "$compiler_id" = "INTEL_UNIX_C"; then
#
if test "$compiler_num" -ge "1000"; then
dnl icc 10.X or later
CFLAGS="$CFLAGS -shared-intel"
elif test "$compiler_num" -ge "900"; then
dnl icc 9.X specific
CFLAGS="$CFLAGS -i-dynamic"
fi
#
fi
CURL_CHECK_COMPILER_HALT_ON_ERROR
CURL_CHECK_COMPILER_ARRAY_SIZE_NEGATIVE
CURL_CHECK_COMPILER_PROTOTYPE_MISMATCH
CURL_CHECK_COMPILER_SYMBOL_HIDING
CURL_CHECK_CURLDEBUG
AM_CONDITIONAL(CURLDEBUG, test x$want_curldebug = xyes)
supports_unittests=yes
# cross-compilation of unit tests static library/programs fails when
# libcurl shared library is built. This might be due to a libtool or
# automake issue. In this case we disable unit tests.
if test "x$cross_compiling" != "xno" &&
test "x$enable_shared" != "xno"; then
supports_unittests=no
fi
# IRIX 6.5.24 gcc 3.3 autobuilds fail unittests library compilation due to
# a problem related with OpenSSL headers and library versions not matching.
# Disable unit tests while time to further investigate this is found.
case $host in
mips-sgi-irix6.5)
if test "$compiler_id" = "GNU_C"; then
supports_unittests=no
fi
;;
esac
# All AIX autobuilds fails unit tests linking against unittests library
# due to unittests library being built with no symbols or members. Libtool ?
# Disable unit tests while time to further investigate this is found.
case $host_os in
aix*)
supports_unittests=no
;;
esac
dnl Build unit tests when option --enable-debug is given.
if test "x$want_debug" = "xyes" &&
test "x$supports_unittests" = "xyes"; then
want_unittests=yes
else
want_unittests=no
fi
AM_CONDITIONAL(BUILD_UNITTESTS, test x$want_unittests = xyes)
dnl **********************************************************************
dnl Compilation based checks should not be done before this point.
dnl **********************************************************************
dnl **********************************************************************
dnl Make sure that our checks for headers windows.h winsock.h winsock2.h
dnl and ws2tcpip.h take precedence over any other further checks which
dnl could be done later using AC_CHECK_HEADER or AC_CHECK_HEADERS for
dnl this specific header files. And do them before its results are used.
dnl **********************************************************************
CURL_CHECK_HEADER_WINDOWS
CURL_CHECK_NATIVE_WINDOWS
case X-"$curl_cv_native_windows" in
X-yes)
CURL_CHECK_HEADER_WINSOCK
CURL_CHECK_HEADER_WINSOCK2
CURL_CHECK_HEADER_WS2TCPIP
CURL_CHECK_HEADER_WINLDAP
CURL_CHECK_HEADER_WINBER
;;
*)
curl_cv_header_winsock_h="no"
curl_cv_header_winsock2_h="no"
curl_cv_header_ws2tcpip_h="no"
curl_cv_header_winldap_h="no"
curl_cv_header_winber_h="no"
;;
esac
CURL_CHECK_WIN32_LARGEFILE
CURL_MAC_CFLAGS
CURL_SUPPORTS_BUILTIN_AVAILABLE
dnl ************************************************************
dnl switch off particular protocols
dnl
AC_MSG_CHECKING([whether to support http])
AC_ARG_ENABLE(http,
AC_HELP_STRING([--enable-http],[Enable HTTP support])
AC_HELP_STRING([--disable-http],[Disable HTTP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_HTTP, 1, [to disable HTTP])
disable_http="yes"
AC_MSG_WARN([disable HTTP disables FTP over proxy and RTSP])
AC_SUBST(CURL_DISABLE_HTTP, [1])
AC_DEFINE(CURL_DISABLE_RTSP, 1, [to disable RTSP])
AC_SUBST(CURL_DISABLE_RTSP, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support ftp])
AC_ARG_ENABLE(ftp,
AC_HELP_STRING([--enable-ftp],[Enable FTP support])
AC_HELP_STRING([--disable-ftp],[Disable FTP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_FTP, 1, [to disable FTP])
AC_SUBST(CURL_DISABLE_FTP, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support file])
AC_ARG_ENABLE(file,
AC_HELP_STRING([--enable-file],[Enable FILE support])
AC_HELP_STRING([--disable-file],[Disable FILE support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_FILE, 1, [to disable FILE])
AC_SUBST(CURL_DISABLE_FILE, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support ldap])
AC_ARG_ENABLE(ldap,
AC_HELP_STRING([--enable-ldap],[Enable LDAP support])
AC_HELP_STRING([--disable-ldap],[Disable LDAP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_LDAP, 1, [to disable LDAP])
AC_SUBST(CURL_DISABLE_LDAP, [1])
;;
*)
AC_MSG_RESULT(yes)
;;
esac ],[
AC_MSG_RESULT(yes) ]
)
AC_MSG_CHECKING([whether to support ldaps])
AC_ARG_ENABLE(ldaps,
AC_HELP_STRING([--enable-ldaps],[Enable LDAPS support])
AC_HELP_STRING([--disable-ldaps],[Disable LDAPS support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
AC_SUBST(CURL_DISABLE_LDAPS, [1])
;;
*) if test "x$CURL_DISABLE_LDAP" = "x1" ; then
AC_MSG_RESULT(LDAP needs to be enabled to support LDAPS)
AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
AC_SUBST(CURL_DISABLE_LDAPS, [1])
else
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_LDAP_SSL, 1, [Use LDAPS implementation])
AC_SUBST(HAVE_LDAP_SSL, [1])
fi
;;
esac ],[
if test "x$CURL_DISABLE_LDAP" = "x1" ; then
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_LDAPS, 1, [to disable LDAPS])
AC_SUBST(CURL_DISABLE_LDAPS, [1])
else
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_LDAP_SSL, 1, [Use LDAPS implementation])
AC_SUBST(HAVE_LDAP_SSL, [1])
fi ]
)
AC_MSG_CHECKING([whether to support rtsp])
AC_ARG_ENABLE(rtsp,
AC_HELP_STRING([--enable-rtsp],[Enable RTSP support])
AC_HELP_STRING([--disable-rtsp],[Disable RTSP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_RTSP, 1, [to disable RTSP])
AC_SUBST(CURL_DISABLE_RTSP, [1])
;;
*) if test x$CURL_DISABLE_HTTP = x1 ; then
AC_MSG_ERROR(HTTP support needs to be enabled in order to enable RTSP support!)
else
AC_MSG_RESULT(yes)
curl_rtsp_msg="enabled"
fi
;;
esac ],
if test "x$CURL_DISABLE_HTTP" != "x1"; then
AC_MSG_RESULT(yes)
curl_rtsp_msg="enabled"
else
AC_MSG_RESULT(no)
fi
)
AC_MSG_CHECKING([whether to support proxies])
AC_ARG_ENABLE(proxy,
AC_HELP_STRING([--enable-proxy],[Enable proxy support])
AC_HELP_STRING([--disable-proxy],[Disable proxy support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_PROXY, 1, [to disable proxies])
AC_SUBST(CURL_DISABLE_PROXY, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support dict])
AC_ARG_ENABLE(dict,
AC_HELP_STRING([--enable-dict],[Enable DICT support])
AC_HELP_STRING([--disable-dict],[Disable DICT support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_DICT, 1, [to disable DICT])
AC_SUBST(CURL_DISABLE_DICT, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support telnet])
AC_ARG_ENABLE(telnet,
AC_HELP_STRING([--enable-telnet],[Enable TELNET support])
AC_HELP_STRING([--disable-telnet],[Disable TELNET support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_TELNET, 1, [to disable TELNET])
AC_SUBST(CURL_DISABLE_TELNET, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support tftp])
AC_ARG_ENABLE(tftp,
AC_HELP_STRING([--enable-tftp],[Enable TFTP support])
AC_HELP_STRING([--disable-tftp],[Disable TFTP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_TFTP, 1, [to disable TFTP])
AC_SUBST(CURL_DISABLE_TFTP, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support pop3])
AC_ARG_ENABLE(pop3,
AC_HELP_STRING([--enable-pop3],[Enable POP3 support])
AC_HELP_STRING([--disable-pop3],[Disable POP3 support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_POP3, 1, [to disable POP3])
AC_SUBST(CURL_DISABLE_POP3, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support imap])
AC_ARG_ENABLE(imap,
AC_HELP_STRING([--enable-imap],[Enable IMAP support])
AC_HELP_STRING([--disable-imap],[Disable IMAP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_IMAP, 1, [to disable IMAP])
AC_SUBST(CURL_DISABLE_IMAP, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support smb])
AC_ARG_ENABLE(smb,
AC_HELP_STRING([--enable-smb],[Enable SMB/CIFS support])
AC_HELP_STRING([--disable-smb],[Disable SMB/CIFS support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_SMB, 1, [to disable SMB/CIFS])
AC_SUBST(CURL_DISABLE_SMB, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support smtp])
AC_ARG_ENABLE(smtp,
AC_HELP_STRING([--enable-smtp],[Enable SMTP support])
AC_HELP_STRING([--disable-smtp],[Disable SMTP support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_SMTP, 1, [to disable SMTP])
AC_SUBST(CURL_DISABLE_SMTP, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
AC_MSG_CHECKING([whether to support gopher])
AC_ARG_ENABLE(gopher,
AC_HELP_STRING([--enable-gopher],[Enable Gopher support])
AC_HELP_STRING([--disable-gopher],[Disable Gopher support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_GOPHER, 1, [to disable Gopher])
AC_SUBST(CURL_DISABLE_GOPHER, [1])
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
dnl **********************************************************************
dnl Check for built-in manual
dnl **********************************************************************
AC_MSG_CHECKING([whether to provide built-in manual])
AC_ARG_ENABLE(manual,
AC_HELP_STRING([--enable-manual],[Enable built-in manual])
AC_HELP_STRING([--disable-manual],[Disable built-in manual]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
;;
*) AC_MSG_RESULT(yes)
USE_MANUAL="1"
;;
esac ],
AC_MSG_RESULT(yes)
USE_MANUAL="1"
)
dnl The actual use of the USE_MANUAL variable is done much later in this
dnl script to allow other actions to disable it as well.
dnl ************************************************************
dnl disable C code generation support
dnl
AC_MSG_CHECKING([whether to enable generation of C code])
AC_ARG_ENABLE(libcurl_option,
AC_HELP_STRING([--enable-libcurl-option],[Enable --libcurl C code generation support])
AC_HELP_STRING([--disable-libcurl-option],[Disable --libcurl C code generation support]),
[ case "$enableval" in
no)
AC_MSG_RESULT(no)
AC_DEFINE(CURL_DISABLE_LIBCURL_OPTION, 1, [to disable --libcurl C code generation option])
curl_libcurl_msg="no"
;;
*) AC_MSG_RESULT(yes)
;;
esac ],
AC_MSG_RESULT(yes)
)
dnl **********************************************************************
dnl Checks for libraries.
dnl **********************************************************************
AC_MSG_CHECKING([whether to use libgcc])
AC_ARG_ENABLE(libgcc,
AC_HELP_STRING([--enable-libgcc],[use libgcc when linking]),
[ case "$enableval" in
yes)
LIBS="-lgcc $LIBS"
AC_MSG_RESULT(yes)
;;
*) AC_MSG_RESULT(no)
;;
esac ],
AC_MSG_RESULT(no)
)
CURL_CHECK_LIB_XNET
dnl gethostbyname without lib or in the nsl lib?
AC_CHECK_FUNC(gethostbyname,
[HAVE_GETHOSTBYNAME="1"
],
[ AC_CHECK_LIB(nsl, gethostbyname,
[HAVE_GETHOSTBYNAME="1"
LIBS="-lnsl $LIBS"
])
])
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl gethostbyname in the socket lib?
AC_CHECK_LIB(socket, gethostbyname,
[HAVE_GETHOSTBYNAME="1"
LIBS="-lsocket $LIBS"
])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl gethostbyname in the watt lib?
AC_CHECK_LIB(watt, gethostbyname,
[HAVE_GETHOSTBYNAME="1"
CPPFLAGS="-I/dev/env/WATT_ROOT/inc"
LDFLAGS="-L/dev/env/WATT_ROOT/lib"
LIBS="-lwatt $LIBS"
])
fi
dnl At least one system has been identified to require BOTH nsl and socket
dnl libs at the same time to link properly.
if test "$HAVE_GETHOSTBYNAME" != "1"
then
AC_MSG_CHECKING([for gethostbyname with both nsl and socket libs])
my_ac_save_LIBS=$LIBS
LIBS="-lnsl -lsocket $LIBS"
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
]],[[
gethostbyname();
]])
],[
AC_MSG_RESULT([yes])
HAVE_GETHOSTBYNAME="1"
],[
AC_MSG_RESULT([no])
LIBS=$my_ac_save_LIBS
])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl This is for winsock systems
if test "$curl_cv_header_windows_h" = "yes"; then
if test "$curl_cv_header_winsock_h" = "yes"; then
case $host in
*-*-mingw32ce*)
winsock_LIB="-lwinsock"
;;
*)
winsock_LIB="-lwsock32"
;;
esac
fi
if test "$curl_cv_header_winsock2_h" = "yes"; then
winsock_LIB="-lws2_32"
fi
if test ! -z "$winsock_LIB"; then
my_ac_save_LIBS=$LIBS
LIBS="$winsock_LIB $LIBS"
AC_MSG_CHECKING([for gethostbyname in $winsock_LIB])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#ifdef HAVE_WINDOWS_H
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
#include <windows.h>
#ifdef HAVE_WINSOCK2_H
#include <winsock2.h>
#else
#ifdef HAVE_WINSOCK_H
#include <winsock.h>
#endif
#endif
#endif
]],[[
gethostbyname("www.dummysite.com");
]])
],[
AC_MSG_RESULT([yes])
HAVE_GETHOSTBYNAME="1"
],[
AC_MSG_RESULT([no])
winsock_LIB=""
LIBS=$my_ac_save_LIBS
])
fi
fi
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl This is for Minix 3.1
AC_MSG_CHECKING([for gethostbyname for Minix 3])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
/* Older Minix versions may need <net/gen/netdb.h> here instead */
#include <netdb.h>
]],[[
gethostbyname("www.dummysite.com");
]])
],[
AC_MSG_RESULT([yes])
HAVE_GETHOSTBYNAME="1"
],[
AC_MSG_RESULT([no])
])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl This is for eCos with a stubbed DNS implementation
AC_MSG_CHECKING([for gethostbyname for eCos])
AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <stdio.h>
#include <netdb.h>
]],[[
gethostbyname("www.dummysite.com");
]])
],[
AC_MSG_RESULT([yes])
HAVE_GETHOSTBYNAME="1"
],[
AC_MSG_RESULT([no])
])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl gethostbyname in the network lib - for Haiku OS
AC_CHECK_LIB(network, gethostbyname,
[HAVE_GETHOSTBYNAME="1"
LIBS="-lnetwork $LIBS"
])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"
then
dnl gethostbyname in the net lib - for BeOS
AC_CHECK_LIB(net, gethostbyname,
[HAVE_GETHOSTBYNAME="1"
LIBS="-lnet $LIBS"
])
fi
if test "$HAVE_GETHOSTBYNAME" != "1"; then
AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
fi
CURL_CHECK_LIBS_CONNECT
CURL_NETWORK_LIBS=$LIBS
dnl **********************************************************************
dnl In case that function clock_gettime with monotonic timer is available,
dnl check for additional required libraries.
dnl **********************************************************************
CURL_CHECK_LIBS_CLOCK_GETTIME_MONOTONIC
dnl **********************************************************************
dnl The preceding library checks are all potentially useful for test
dnl servers and libtest cases which require networking and clock_gettime
dnl support. Save the list of required libraries at this point for use
dnl while linking those test servers and programs.
dnl **********************************************************************
CURL_NETWORK_AND_TIME_LIBS=$LIBS
dnl **********************************************************************
dnl Check for the presence of ZLIB libraries and headers
dnl **********************************************************************
dnl Check for & handle argument to --with-zlib.
clean_CPPFLAGS=$CPPFLAGS
clean_LDFLAGS=$LDFLAGS
clean_LIBS=$LIBS
ZLIB_LIBS=""
AC_ARG_WITH(zlib,
AC_HELP_STRING([--with-zlib=PATH],[search for zlib in PATH])
AC_HELP_STRING([--without-zlib],[disable use of zlib]),
[OPT_ZLIB="$withval"])
if test "$OPT_ZLIB" = "no" ; then
AC_MSG_WARN([zlib disabled])
else
if test "$OPT_ZLIB" = "yes" ; then
OPT_ZLIB=""
fi
if test -z "$OPT_ZLIB" ; then
CURL_CHECK_PKGCONFIG(zlib)
if test "$PKGCONFIG" != "no" ; then
LIBS="`$PKGCONFIG --libs-only-l zlib` $LIBS"
LDFLAGS="$LDFLAGS `$PKGCONFIG --libs-only-L zlib`"
CPPFLAGS="$CPPFLAGS `$PKGCONFIG --cflags-only-I zlib`"
OPT_ZLIB=""
HAVE_LIBZ="1"
fi
if test -z "$HAVE_LIBZ"; then
dnl Check for the lib without setting any new path, since many
dnl people have it in the default path
AC_CHECK_LIB(z, inflateEnd,
dnl libz found, set the variable
[HAVE_LIBZ="1"
LIBS="-lz $LIBS"],
dnl if no lib found, try /usr/local
[OPT_ZLIB="/usr/local"])
fi
fi
dnl Add a nonempty path to the compiler flags
if test -n "$OPT_ZLIB"; then
CPPFLAGS="$CPPFLAGS -I$OPT_ZLIB/include"
LDFLAGS="$LDFLAGS -L$OPT_ZLIB/lib$libsuff"
fi
AC_CHECK_HEADER(zlib.h,
[
dnl zlib.h was found
HAVE_ZLIB_H="1"
dnl if the lib wasn't found already, try again with the new paths
if test "$HAVE_LIBZ" != "1"; then
AC_CHECK_LIB(z, gzread,
[
dnl the lib was found!
HAVE_LIBZ="1"
LIBS="-lz $LIBS"
],
[ CPPFLAGS=$clean_CPPFLAGS
LDFLAGS=$clean_LDFLAGS])
fi
],
[
dnl zlib.h was not found, restore the flags
CPPFLAGS=$clean_CPPFLAGS
LDFLAGS=$clean_LDFLAGS]
)
if test "$HAVE_LIBZ" = "1" && test "$HAVE_ZLIB_H" != "1"
then
AC_MSG_WARN([configure found only the libz lib, not the header file!])
HAVE_LIBZ=""
CPPFLAGS=$clean_CPPFLAGS
LDFLAGS=$clean_LDFLAGS
LIBS=$clean_LIBS
elif test "$HAVE_LIBZ" != "1" && test "$HAVE_ZLIB_H" = "1"
then
AC_MSG_WARN([configure found only the libz header file, not the lib!])
CPPFLAGS=$clean_CPPFLAGS
LDFLAGS=$clean_LDFLAGS
LIBS=$clean_LIBS
elif test "$HAVE_LIBZ" = "1" && test "$HAVE_ZLIB_H" = "1"
then
dnl both header and lib were found!
AC_SUBST(HAVE_LIBZ)
AC_DEFINE(HAVE_ZLIB_H, 1, [if you have the zlib.h header file])
AC_DEFINE(HAVE_LIBZ, 1, [if zlib is available])
ZLIB_LIBS="-lz"
LIBS="-lz $clean_LIBS"
dnl replace 'HAVE_LIBZ' in the automake makefile.ams
AMFIXLIB="1"
AC_MSG_NOTICE([found both libz and libz.h header])
curl_zlib_msg="enabled"
fi
fi
dnl set variable for use in automakefile(s)
AM_CONDITIONAL(HAVE_LIBZ, test x"$AMFIXLIB" = x1)
AC_SUBST(ZLIB_LIBS)
dnl **********************************************************************
dnl Check for the presence of BROTLI decoder libraries and headers
dnl **********************************************************************
dnl Brotli project home page: https://github.com/google/brotli
dnl Default to compiler & linker defaults for BROTLI files & libraries.
OPT_BROTLI=off
AC_ARG_WITH(brotli,dnl
AC_HELP_STRING([--with-brotli=PATH],[Where to look for brotli, PATH points to the BROTLI installation; when possible, set the PKG_CONFIG_PATH environment variable instead of using this option])
AC_HELP_STRING([--without-brotli], [disable BROTLI]),
OPT_BROTLI=$withval)
if test X"$OPT_BROTLI" != Xno; then
dnl backup the pre-brotli variables
CLEANLDFLAGS="$LDFLAGS"