447 lines
13 KiB
Plaintext
447 lines
13 KiB
Plaintext
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#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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#***************************************************************************
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# File version for 'aclocal' use. Keep it a single number.
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# serial 5
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dnl **********************************************************************
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dnl Check for OpenSSL libraries and headers
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dnl **********************************************************************
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AC_DEFUN([CURL_WITH_OPENSSL], [
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if test "x$OPT_OPENSSL" != xno; then
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ssl_msg=
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dnl backup the pre-ssl variables
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CLEANLDFLAGS="$LDFLAGS"
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CLEANCPPFLAGS="$CPPFLAGS"
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CLEANLIBS="$LIBS"
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dnl This is for Msys/Mingw
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case $host in
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*-*-msys* | *-*-mingw*)
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AC_MSG_CHECKING([for gdi32])
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my_ac_save_LIBS=$LIBS
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LIBS="-lgdi32 $LIBS"
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AC_LINK_IFELSE([ AC_LANG_PROGRAM([[
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#include <windef.h>
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#include <wingdi.h>
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]],
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[[
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GdiFlush();
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]])],
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[ dnl worked!
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AC_MSG_RESULT([yes])],
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[ dnl failed, restore LIBS
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LIBS=$my_ac_save_LIBS
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AC_MSG_RESULT(no)]
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)
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;;
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esac
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case "$OPT_OPENSSL" in
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yes)
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dnl --with-openssl (without path) used
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PKGTEST="yes"
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PREFIX_OPENSSL=
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;;
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*)
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dnl check the given --with-openssl spot
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PKGTEST="no"
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PREFIX_OPENSSL=$OPT_OPENSSL
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dnl Try pkg-config even when cross-compiling. Since we
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dnl specify PKG_CONFIG_LIBDIR we're only looking where
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dnl the user told us to look
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OPENSSL_PCDIR="$OPT_OPENSSL/lib/pkgconfig"
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if test -f "$OPENSSL_PCDIR/openssl.pc"; then
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AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$OPENSSL_PCDIR"])
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PKGTEST="yes"
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fi
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if test "$PKGTEST" != "yes"; then
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# try lib64 instead
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OPENSSL_PCDIR="$OPT_OPENSSL/lib64/pkgconfig"
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if test -f "$OPENSSL_PCDIR/openssl.pc"; then
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AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$OPENSSL_PCDIR"])
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PKGTEST="yes"
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fi
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fi
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if test "$PKGTEST" != "yes"; then
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if test ! -f "$PREFIX_OPENSSL/include/openssl/ssl.h"; then
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AC_MSG_ERROR([$PREFIX_OPENSSL is a bad --with-openssl prefix!])
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fi
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fi
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dnl in case pkg-config comes up empty, use what we got
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dnl via --with-openssl
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LIB_OPENSSL="$PREFIX_OPENSSL/lib$libsuff"
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if test "$PREFIX_OPENSSL" != "/usr" ; then
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SSL_LDFLAGS="-L$LIB_OPENSSL"
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SSL_CPPFLAGS="-I$PREFIX_OPENSSL/include"
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fi
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;;
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esac
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if test "$PKGTEST" = "yes"; then
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CURL_CHECK_PKGCONFIG(openssl, [$OPENSSL_PCDIR])
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if test "$PKGCONFIG" != "no" ; then
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SSL_LIBS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
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$PKGCONFIG --libs-only-l --libs-only-other openssl 2>/dev/null`
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SSL_LDFLAGS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
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$PKGCONFIG --libs-only-L openssl 2>/dev/null`
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SSL_CPPFLAGS=`CURL_EXPORT_PCDIR([$OPENSSL_PCDIR]) dnl
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$PKGCONFIG --cflags-only-I openssl 2>/dev/null`
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AC_SUBST(SSL_LIBS)
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AC_MSG_NOTICE([pkg-config: SSL_LIBS: "$SSL_LIBS"])
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AC_MSG_NOTICE([pkg-config: SSL_LDFLAGS: "$SSL_LDFLAGS"])
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AC_MSG_NOTICE([pkg-config: SSL_CPPFLAGS: "$SSL_CPPFLAGS"])
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LIB_OPENSSL=`echo $SSL_LDFLAGS | sed -e 's/^-L//'`
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dnl use the values pkg-config reported. This is here
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dnl instead of below with CPPFLAGS and LDFLAGS because we only
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dnl learn about this via pkg-config. If we only have
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dnl the argument to --with-openssl we don't know what
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dnl additional libs may be necessary. Hope that we
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dnl don't need any.
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LIBS="$SSL_LIBS $LIBS"
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fi
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fi
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dnl finally, set flags to use SSL
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CPPFLAGS="$CPPFLAGS $SSL_CPPFLAGS"
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LDFLAGS="$LDFLAGS $SSL_LDFLAGS"
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AC_CHECK_LIB(crypto, HMAC_Update,[
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HAVECRYPTO="yes"
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LIBS="-lcrypto $LIBS"
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],[
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if test -n "$LIB_OPENSSL" ; then
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LDFLAGS="$CLEANLDFLAGS -L$LIB_OPENSSL"
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fi
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if test "$PKGCONFIG" = "no" -a -n "$PREFIX_OPENSSL" ; then
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# only set this if pkg-config wasn't used
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CPPFLAGS="$CLEANCPPFLAGS -I$PREFIX_OPENSSL/include"
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fi
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# Linking previously failed, try extra paths from --with-openssl or
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# pkg-config. Use a different function name to avoid reusing the earlier
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# cached result.
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AC_CHECK_LIB(crypto, HMAC_Init_ex,[
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HAVECRYPTO="yes"
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LIBS="-lcrypto $LIBS"], [
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dnl still no, but what about with -ldl?
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AC_MSG_CHECKING([OpenSSL linking with -ldl])
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LIBS="-lcrypto $CLEANLIBS -ldl"
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AC_LINK_IFELSE([ AC_LANG_PROGRAM([[
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#include <openssl/err.h>
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]], [[
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ERR_clear_error();
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]]) ],
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[
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AC_MSG_RESULT(yes)
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HAVECRYPTO="yes"
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],
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[
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AC_MSG_RESULT(no)
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dnl ok, so what about both -ldl and -lpthread?
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dnl This may be necessary for static libraries.
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AC_MSG_CHECKING([OpenSSL linking with -ldl and -lpthread])
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LIBS="-lcrypto $CLEANLIBS -ldl -lpthread"
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AC_LINK_IFELSE([
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AC_LANG_PROGRAM([[
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#include <openssl/err.h>
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]], [[
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ERR_clear_error();
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]])],
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[
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AC_MSG_RESULT(yes)
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HAVECRYPTO="yes"
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],
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[
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AC_MSG_RESULT(no)
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LDFLAGS="$CLEANLDFLAGS"
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CPPFLAGS="$CLEANCPPFLAGS"
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LIBS="$CLEANLIBS"
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])
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])
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])
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])
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if test X"$HAVECRYPTO" = X"yes"; then
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dnl This is only reasonable to do if crypto actually is there: check for
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dnl SSL libs NOTE: it is important to do this AFTER the crypto lib
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AC_CHECK_LIB(ssl, SSL_connect)
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if test "$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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OLIBS=$LIBS
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LIBS="-lRSAglue -lrsaref $LIBS"
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AC_CHECK_LIB(ssl, SSL_connect)
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if test "$ac_cv_lib_ssl_SSL_connect" != yes; then
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dnl still no SSL_connect
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AC_MSG_RESULT(no)
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LIBS=$OLIBS
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else
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AC_MSG_RESULT(yes)
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fi
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else
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dnl Have the libraries--check for OpenSSL headers
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AC_CHECK_HEADERS(openssl/x509.h openssl/rsa.h openssl/crypto.h \
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openssl/pem.h openssl/ssl.h openssl/err.h,
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ssl_msg="OpenSSL"
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test openssl != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
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OPENSSL_ENABLED=1
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AC_DEFINE(USE_OPENSSL, 1, [if OpenSSL is in use]))
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if test $ac_cv_header_openssl_x509_h = no; then
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dnl we don't use the "action" part of the AC_CHECK_HEADERS macro
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dnl since 'err.h' might in fact find a krb4 header with the same
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dnl name
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AC_CHECK_HEADERS(x509.h rsa.h crypto.h pem.h ssl.h err.h)
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if test $ac_cv_header_x509_h = yes &&
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test $ac_cv_header_crypto_h = yes &&
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test $ac_cv_header_ssl_h = yes; then
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dnl three matches
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ssl_msg="OpenSSL"
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OPENSSL_ENABLED=1
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fi
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fi
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fi
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if test X"$OPENSSL_ENABLED" != X"1"; then
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LIBS="$CLEANLIBS"
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fi
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if test X"$OPT_OPENSSL" != Xoff &&
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test "$OPENSSL_ENABLED" != "1"; then
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AC_MSG_ERROR([OpenSSL libs and/or directories were not found where specified!])
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fi
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fi
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if test X"$OPENSSL_ENABLED" = X"1"; then
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dnl These can only exist if OpenSSL exists
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AC_MSG_CHECKING([for BoringSSL])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#include <openssl/base.h>
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]],[[
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#ifndef OPENSSL_IS_BORINGSSL
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#error not boringssl
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#endif
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]])
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],[
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AC_MSG_RESULT([yes])
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ssl_msg="BoringSSL"
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OPENSSL_IS_BORINGSSL=1
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],[
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AC_MSG_RESULT([no])
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])
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AC_MSG_CHECKING([for AWS-LC])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#include <openssl/base.h>
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]],[[
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#ifndef OPENSSL_IS_AWSLC
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#error not AWS-LC
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#endif
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]])
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],[
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AC_MSG_RESULT([yes])
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ssl_msg="AWS-LC"
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OPENSSL_IS_BORINGSSL=1
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],[
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AC_MSG_RESULT([no])
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])
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AC_MSG_CHECKING([for libressl])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#include <openssl/opensslv.h>
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]],[[
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int dummy = LIBRESSL_VERSION_NUMBER;
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]])
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],[
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_LIBRESSL, 1,
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[Define to 1 if using libressl.])
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ssl_msg="libressl"
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],[
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AC_MSG_RESULT([no])
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])
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AC_MSG_CHECKING([for OpenSSL >= v3])
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AC_COMPILE_IFELSE([
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AC_LANG_PROGRAM([[
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#include <openssl/opensslv.h>
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]],[[
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#if (OPENSSL_VERSION_NUMBER >= 0x30000000L)
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return 0;
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#else
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#error older than 3
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#endif
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]])
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],[
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AC_MSG_RESULT([yes])
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AC_DEFINE_UNQUOTED(HAVE_OPENSSL3, 1,
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[Define to 1 if using OpenSSL 3 or later.])
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ssl_msg="OpenSSL v3+"
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],[
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AC_MSG_RESULT([no])
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])
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fi
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dnl is this OpenSSL (fork) providing the original QUIC API?
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AC_CHECK_FUNCS([SSL_set_quic_use_legacy_codepoint],
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[QUIC_ENABLED=yes])
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if test "$QUIC_ENABLED" = "yes"; then
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AC_MSG_NOTICE([OpenSSL fork speaks QUIC API])
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|
else
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AC_MSG_NOTICE([OpenSSL version does not speak QUIC API])
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fi
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if test "$OPENSSL_ENABLED" = "1"; then
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if test -n "$LIB_OPENSSL"; then
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dnl when the ssl shared libs were found in a path that the run-time
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|
dnl linker doesn't search through, we need to add it to CURL_LIBRARY_PATH
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|
dnl to prevent further configure tests to fail due to this
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||
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if test "x$cross_compiling" != "xyes"; then
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CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$LIB_OPENSSL"
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export CURL_LIBRARY_PATH
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AC_MSG_NOTICE([Added $LIB_OPENSSL to CURL_LIBRARY_PATH])
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fi
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fi
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check_for_ca_bundle=1
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fi
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test -z "$ssl_msg" || ssl_backends="${ssl_backends:+$ssl_backends, }$ssl_msg"
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||
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fi
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||
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||
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if test X"$OPT_OPENSSL" != Xno &&
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test "$OPENSSL_ENABLED" != "1"; then
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AC_MSG_NOTICE([OPT_OPENSSL: $OPT_OPENSSL])
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||
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AC_MSG_NOTICE([OPENSSL_ENABLED: $OPENSSL_ENABLED])
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||
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AC_MSG_ERROR([--with-openssl was given but OpenSSL could not be detected])
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fi
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||
|
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|
dnl **********************************************************************
|
||
|
|
dnl Check for the random seed preferences
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||
|
|
dnl **********************************************************************
|
||
|
|
|
||
|
|
if test X"$OPENSSL_ENABLED" = X"1"; then
|
||
|
|
dnl Check for user-specified random device
|
||
|
|
AC_ARG_WITH(random,
|
||
|
|
AS_HELP_STRING([--with-random=FILE],
|
||
|
|
[read randomness from FILE (default=/dev/urandom)]),
|
||
|
|
[ RANDOM_FILE="$withval" ],
|
||
|
|
[
|
||
|
|
if test x$cross_compiling != xyes; then
|
||
|
|
dnl Check for random device
|
||
|
|
AC_CHECK_FILE("/dev/urandom", [ RANDOM_FILE="/dev/urandom"] )
|
||
|
|
else
|
||
|
|
AC_MSG_WARN([skipped the /dev/urandom detection when cross-compiling])
|
||
|
|
fi
|
||
|
|
]
|
||
|
|
)
|
||
|
|
if test -n "$RANDOM_FILE" && test X"$RANDOM_FILE" != Xno ; then
|
||
|
|
AC_SUBST(RANDOM_FILE)
|
||
|
|
AC_DEFINE_UNQUOTED(RANDOM_FILE, "$RANDOM_FILE",
|
||
|
|
[a suitable file to read random data from])
|
||
|
|
fi
|
||
|
|
fi
|
||
|
|
|
||
|
|
dnl ---
|
||
|
|
dnl We require OpenSSL with SRP support.
|
||
|
|
dnl ---
|
||
|
|
if test "$OPENSSL_ENABLED" = "1"; then
|
||
|
|
AC_MSG_CHECKING([for SRP support in OpenSSL])
|
||
|
|
AC_LINK_IFELSE([
|
||
|
|
AC_LANG_PROGRAM([[
|
||
|
|
#include <openssl/ssl.h>
|
||
|
|
]],[[
|
||
|
|
SSL_CTX_set_srp_username(NULL, "");
|
||
|
|
SSL_CTX_set_srp_password(NULL, "");
|
||
|
|
]])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT([yes])
|
||
|
|
AC_DEFINE(HAVE_OPENSSL_SRP, 1, [if you have the functions SSL_CTX_set_srp_username and SSL_CTX_set_srp_password])
|
||
|
|
AC_SUBST(HAVE_OPENSSL_SRP, [1])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT([no])
|
||
|
|
])
|
||
|
|
fi
|
||
|
|
|
||
|
|
dnl ---
|
||
|
|
dnl Whether the OpenSSL configuration will be loaded automatically
|
||
|
|
dnl ---
|
||
|
|
if test X"$OPENSSL_ENABLED" = X"1"; then
|
||
|
|
AC_ARG_ENABLE(openssl-auto-load-config,
|
||
|
|
AS_HELP_STRING([--enable-openssl-auto-load-config],[Enable automatic loading of OpenSSL configuration])
|
||
|
|
AS_HELP_STRING([--disable-openssl-auto-load-config],[Disable automatic loading of OpenSSL configuration]),
|
||
|
|
[ if test X"$enableval" = X"no"; then
|
||
|
|
AC_MSG_NOTICE([automatic loading of OpenSSL configuration disabled])
|
||
|
|
AC_DEFINE(CURL_DISABLE_OPENSSL_AUTO_LOAD_CONFIG, 1, [if the OpenSSL configuration won't be loaded automatically])
|
||
|
|
fi
|
||
|
|
])
|
||
|
|
fi
|
||
|
|
|
||
|
|
dnl ---
|
||
|
|
dnl We may use OpenSSL QUIC.
|
||
|
|
dnl ---
|
||
|
|
if test "$OPENSSL_ENABLED" = "1"; then
|
||
|
|
AC_MSG_CHECKING([for QUIC support in OpenSSL])
|
||
|
|
AC_LINK_IFELSE([
|
||
|
|
AC_LANG_PROGRAM([[
|
||
|
|
#include <openssl/ssl.h>
|
||
|
|
]],[[
|
||
|
|
OSSL_QUIC_client_method();
|
||
|
|
]])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT([yes])
|
||
|
|
AC_DEFINE(HAVE_OPENSSL_QUIC, 1, [if you have the functions OSSL_QUIC_client_method])
|
||
|
|
AC_SUBST(HAVE_OPENSSL_QUIC, [1])
|
||
|
|
],[
|
||
|
|
AC_MSG_RESULT([no])
|
||
|
|
])
|
||
|
|
fi
|
||
|
|
])
|