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dnl $Id: configure.in,v 1.97 2002/03/04 10:28:02 bagder Exp $
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dnl Process this file with autoconf to produce a configure script.
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dnl Ensure that this file is processed with autoconf 2.50 or newer
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dnl Don't even think about removing this check!
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dnl First some basic init macros
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AC_CONFIG_SRCDIR([lib/urldata.h])
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AM_CONFIG_HEADER(lib/config.h src/config.h tests/server/config.h)
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dnl figure out the libcurl version
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VERSION=`sed -ne 's/^#define LIBCURL_VERSION "\(.*\)"/\1/p' ${srcdir}/include/curl/curl.h`
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AM_INIT_AUTOMAKE(curl,$VERSION)
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dnl we extract the numerical version for curl-config only
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VERSIONNUM=`sed -ne 's/^#define LIBCURL_VERSION_NUM 0x\(.*\)/\1/p' ${srcdir}/include/curl/curl.h`
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dnl Solaris pkgadd support definitions
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PKGADD_NAME="cURL - a client that groks URLs"
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PKGADD_VENDOR="curl.haxx.se"
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AC_SUBST(PKGADD_VENDOR)
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dnl Detect the canonical host and target build environment
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dnl Get system canonical name
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AC_DEFINE_UNQUOTED(OS, "${host}")
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dnl Check for AIX weirdos
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dnl Checks for programs.
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dnl check for how to do large files
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dnl check for cygwin stuff
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dnl The install stuff has already been taken care of by the automake stuff
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dnl ************************************************************
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dnl lame option to switch on debug options
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AC_MSG_CHECKING([whether to enable debug options])
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[ --enable-debug Enable pedantic debug options
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--disable-debug Disable debug options],
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[ case "$enableval" in
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CPPFLAGS="$CPPFLAGS -DMALLOCDEBUG"
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CFLAGS="-W -Wall -Wwrite-strings -pedantic -Wundef -Wpointer-arith -Wcast-align -Wnested-externs -g"
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dnl **********************************************************************
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dnl **********************************************************************
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AC_MSG_CHECKING([whether to enable ipv6])
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[ --enable-ipv6 Enable ipv6 (with ipv4) support
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--disable-ipv6 Disable ipv6 support],
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[ case "$enableval" in
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AC_TRY_RUN([ /* is AF_INET6 available? */
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#include <sys/types.h>
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#include <sys/socket.h>
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if (socket(AF_INET6, SOCK_STREAM, 0) < 0)
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if test "$ipv6" = "yes"; then
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CURL_CHECK_WORKING_GETADDRINFO
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dnl **********************************************************************
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dnl Checks for libraries.
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dnl **********************************************************************
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dnl gethostbyname in the nsl lib?
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AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(nsl, gethostbyname))
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if test "$ac_cv_lib_nsl_gethostbyname" != "yes" -a "$ac_cv_func_gethostbyname" != "yes"; then
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dnl gethostbyname in the socket lib?
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AC_CHECK_FUNC(gethostbyname, , AC_CHECK_LIB(socket, gethostbyname))
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dnl At least one system has been identified to require BOTH nsl and
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dnl socket libs to link properly.
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if test "$ac_cv_lib_nsl_gethostbyname" = "$ac_cv_func_gethostbyname"; then
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AC_MSG_CHECKING([trying both nsl and socket libs])
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my_ac_save_LIBS=$LIBS
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LIBS="-lnsl -lsocket $LIBS"
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my_ac_link_result=success,
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my_ac_link_result=failure )
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if test "$my_ac_link_result" = "failure"; then
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AC_MSG_ERROR([couldn't find libraries for gethostbyname()])
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LIBS=$my_ac_save_LIBS
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AC_CHECK_FUNC(strcasecmp, , AC_CHECK_LIB(resolve, strcasecmp))
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if test "$ac_cv_lib_resolve_strcasecmp" = "$ac_cv_func_strcasecmp"; then
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AC_CHECK_LIB(resolve, strcasecmp,
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[LIBS="-lresolve $LIBS"],
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AC_CHECK_FUNC(connect, , AC_CHECK_LIB(socket, connect))
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AC_CHECK_FUNC(gethostname, , AC_CHECK_LIB(ucb, gethostname))
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AC_CHECK_FUNC(dlclose, , AC_CHECK_LIB(dl, dlopen))
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dnl **********************************************************************
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dnl Check how non-blocking sockets are set
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dnl **********************************************************************
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AC_ARG_ENABLE(nonblocking,
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[ --enable-nonblocking Makes the script detect how to do it
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--disable-nonblocking Makes the script disable non-blocking sockets],
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if test "$enableval" = "no" ; then
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AC_MSG_WARN([non-blocking sockets disabled])
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AC_DEFINE(HAVE_DISABLED_NONBLOCKING)
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CURL_CHECK_NONBLOCKING_SOCKET
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CURL_CHECK_NONBLOCKING_SOCKET
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dnl **********************************************************************
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dnl Check for the random seed preferences
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dnl **********************************************************************
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AC_ARG_WITH(egd-socket,
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[ --with-egd-socket=FILE Entropy Gathering Daemon socket pathname],
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[ EGD_SOCKET="$withval" ]
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if test -n "$EGD_SOCKET" ; then
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AC_DEFINE_UNQUOTED(EGD_SOCKET, "$EGD_SOCKET")
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dnl Check for user-specified random device
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[ --with-random=FILE read randomness from FILE (default=/dev/urandom)],
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[ RANDOM_FILE="$withval" ],
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dnl Check for random device
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AC_CHECK_FILE("/dev/urandom",
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RANDOM_FILE="/dev/urandom";
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if test -n "$RANDOM_FILE" ; then
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AC_SUBST(RANDOM_FILE)
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AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE")
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dnl **********************************************************************
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dnl Check for the presence of Kerberos4 libraries and headers
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dnl **********************************************************************
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AC_ARG_WITH(krb4-includes,
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[ --with-krb4-includes[=DIR] Specify location of kerberos4 headers],[
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CPPFLAGS="$CPPFLAGS -I$withval"
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AC_ARG_WITH(krb4-libs,
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[ --with-krb4-libs[=DIR] Specify location of kerberos4 libs],[
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LDFLAGS="$LDFLAGS -L$withval"
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[ --with-krb4[=DIR] where to look for Kerberos4],[
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if test X"$OPT_KRB4" != Xyes
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LDFLAGS="$LDFLAGS -L$OPT_KRB4/lib"
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KRB4LIB="$OPT_KRB4/lib"
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CPPFLAGS="$CPPFLAGS -I$OPT_KRB4/include"
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KRB4INC="$OPT_KRB4/include"
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AC_MSG_CHECKING([if Kerberos4 support is requested])
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if test "$want_krb4" = yes
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if test "$ipv6" = "yes"; then
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echo krb4 is not compatible with IPv6
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dnl Check for & handle argument to --with-krb4
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AC_MSG_CHECKING(where to look for Kerberos4)
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if test X"$OPT_KRB4" = Xyes
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AC_MSG_RESULT([defaults])
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AC_MSG_RESULT([libs in $KRB4LIB, headers in $KRB4INC])
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dnl Check for DES library
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AC_CHECK_LIB(des, des_pcbc_encrypt,
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AC_CHECK_HEADERS(des.h)
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AC_CHECK_FUNC(res_search, , AC_CHECK_LIB(resolv, res_search))
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dnl Check for the Kerberos4 library
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AC_CHECK_LIB(krb, krb_net_read,
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dnl Check for header files
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AC_CHECK_HEADERS(krb.h)
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dnl we found the required libraries, add to LIBS
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LIBS="-lkrb -ldes $LIBS"
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dnl Check for function krb_get_our_ip_for_realm
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dnl this is needed for NAT networks
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AC_CHECK_FUNCS(krb_get_our_ip_for_realm)
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dnl substitute it too!
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AC_SUBST(KRB4_ENABLED)
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dnl the krb4 stuff needs a strlcpy()
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AC_CHECK_FUNCS(strlcpy)
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dnl **********************************************************************
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dnl Check for the presence of SSL libraries and headers
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dnl **********************************************************************
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dnl Default to compiler & linker defaults for SSL files & libraries.
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[ --with-ssl[=DIR] where to look for SSL [compiler/linker default paths]
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DIR points to the SSL installation [/usr/local/ssl]],
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if test X"$OPT_SSL" = Xno
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AC_MSG_WARN(SSL/https support disabled)
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dnl Check for and handle argument to --with-ssl.
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dnl save the pre-ssl check flags for a while
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CLEANLDFLAGS="$LDFLAGS"
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CLEANCPPFLAGS="$CPPFLAGS"
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EXTRA_SSL=/usr/local/ssl ;;
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dnl check the given spot right away!
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LDFLAGS="$LDFLAGS -L$EXTRA_SSL/lib"
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CPPFLAGS="$CPPFLAGS -I$EXTRA_SSL/include/openssl -I$EXTRA_SSL/include"
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AC_CHECK_LIB(crypto, CRYPTO_lock,[
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OLDLDFLAGS="$LDFLAGS"
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OLDCPPFLAGS="$CPPFLAGS"
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LDFLAGS="$CLEANLDFLAGS -L$EXTRA_SSL/lib"
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CPPFLAGS="$CLEANCPPFLAGS -I$EXTRA_SSL/include/openssl -I$EXTRA_SSL/include"
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AC_CHECK_LIB(crypto, CRYPTO_add_lock,[
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HAVECRYPTO="yes" ], [
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LDFLAGS="$OLDLDFLAGS"
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CPPFLAGS="$OLDCPPFLAGS"
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if test "$HAVECRYPTO" = "yes"; then
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dnl This is only reasonable to do if crypto actually is there: check for
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dnl SSL libs NOTE: it is important to do this AFTER the crypto lib
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AC_CHECK_LIB(crypto, CRYPTO_add_lock)
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AC_CHECK_LIB(ssl, SSL_connect)
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if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
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dnl we didn't find the SSL lib, try the RSAglue/rsaref stuff
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AC_MSG_CHECKING(for ssl with RSAglue/rsaref libs in use);
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LIBS="$LIBS -lRSAglue -lrsaref"
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AC_CHECK_LIB(ssl, SSL_connect)
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if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
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dnl still no SSL_connect
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dnl Check for SSLeay headers
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AC_CHECK_HEADERS(openssl/x509.h openssl/rsa.h openssl/crypto.h \
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openssl/pem.h openssl/ssl.h openssl/err.h,
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if test $ac_cv_header_openssl_x509_h = no; then
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AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h,
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dnl Check for the OpenSSL engine header, it is kind of "separated"
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dnl from the main SSL check
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AC_CHECK_HEADERS(openssl/engine.h)
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AC_SUBST(OPENSSL_ENABLED)
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if test X"$OPT_SSL" != Xoff &&
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test "$OPENSSL_ENABLED" != "1"; then
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AC_MSG_ERROR([OpenSSL libs and/or directories were not found where specified!])
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dnl these can only exist if openssl exists
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AC_CHECK_FUNCS( RAND_status \
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dnl **********************************************************************
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dnl Check for the presence of ZLIB libraries and headers
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dnl **********************************************************************
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dnl Default to compiler & linker defaults for files & libraries.
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dnl AC_ARG_WITH(zlib,dnl
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dnl [ --with-zlib[=DIR] where to look for ZLIB [compiler/linker default paths]
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dnl DIR points to the ZLIB installation prefix [/usr/local]],
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dnl OPT_ZLIB=$withval,
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dnl Check for & handle argument to --with-zlib.
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dnl NOTE: We *always* look for ZLIB headers & libraries, all this option
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dnl does is change where we look (by adjusting LIBS and CPPFLAGS.)
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dnl AC_MSG_CHECKING(where to look for ZLIB)
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dnl if test X"$OPT_ZLIB" = Xno
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dnl AC_MSG_RESULT([defaults (or given in environment)])
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dnl test X"$OPT_ZLIB" = Xyes && OPT_ZLIB=/usr/local
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dnl LIBS="$LIBS -L$OPT_ZLIB/lib"
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dnl CPPFLAGS="$CPPFLAGS -I$OPT_ZLIB/include"
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dnl AC_MSG_RESULT([$OPT_ZLIB])
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dnl AC_CHECK_FUNC(gzread, , AC_CHECK_LIB(z, gzread))
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dnl Default is to try the thread-safe versions of a few functions
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AC_ARG_ENABLE(thread,dnl
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[ --disable-thread tell configure to not look for thread-safe functions],
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if test X"$OPT_THREAD" = Xoff
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AC_MSG_WARN(libcurl will not get built using thread-safe functions)
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AC_DEFINE(DISABLED_THREADSAFE, 1, \
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Set to explicitly specify we don't want to use thread-safe functions)
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dnl dig around for gethostbyname_r()
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CURL_CHECK_GETHOSTBYNAME_R()
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dnl dig around for gethostbyaddr_r()
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CURL_CHECK_GETHOSTBYADDR_R()
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dnl poke around for inet_ntoa_r()
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CURL_CHECK_INET_NTOA_R()
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dnl is there a localtime_r()
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CURL_CHECK_LOCALTIME_R()
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AC_CHECK_FUNCS( gmtime_r )
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dnl **********************************************************************
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dnl Back to "normal" configuring
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dnl **********************************************************************
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dnl Checks for header files.
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dnl Check for libz header
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dnl AC_CHECK_HEADERS(zlib.h)
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dnl Checks for typedefs, structures, and compiler characteristics.
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# check for 'long double'
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# AC_CHECK_SIZEOF(long double, 8)
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# check for 'long long'
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# AC_CHECK_SIZEOF(long long, 4)
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AC_CHECK_TYPE(ssize_t, int)
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dnl Checks for library functions.
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dnl AC_PROG_GCC_TRADITIONAL
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AC_CHECK_FUNCS( socket \
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dnl removed 'getpass' check on October 26, 2000
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if test "$ac_cv_func_select" != "yes"; then
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AC_MSG_ERROR(Can't work without an existing select() function)
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if test "$ac_cv_func_socket" != "yes"; then
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AC_MSG_ERROR(Can't work without an existing socket() function)
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AC_PATH_PROG( PERL, perl, ,
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$PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
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AC_PATH_PROGS( NROFF, gnroff nroff, ,
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$PATH:/usr/bin/:/usr/local/bin )
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dnl AC_PATH_PROG( RANLIB, ranlib, /usr/bin/ranlib,
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dnl $PATH:/usr/bin/:/usr/local/bin )
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AC_CONFIG_FILES([Makefile \
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docs/examples/Makefile \
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docs/libcurl/Makefile \
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include/curl/Makefile \
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tests/data/Makefile \
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tests/server/Makefile \
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packages/Win32/Makefile \
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packages/Win32/cygwin/Makefile \
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packages/Linux/Makefile \
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packages/Linux/RPM/Makefile \
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packages/Linux/RPM/curl.spec \
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packages/Linux/RPM/curl-ssl.spec \
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packages/Solaris/Makefile \
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packages/EPM/curl.list \
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packages/EPM/Makefile \
added
removed
configure.in
