#*************************************************************************** # _ _ ____ _ # Project ___| | | | _ \| | # / __| | | | |_) | | # | (__| |_| | _ <| |___ # \___|\___/|_| \_\_____| # # Copyright (C) Daniel Stenberg, , 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.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. # # SPDX-License-Identifier: curl # #*************************************************************************** AC_DEFUN([CURL_WITH_RUSTLS], [ dnl ---------------------------------------------------- dnl check for Rustls dnl ---------------------------------------------------- if test "x$OPT_RUSTLS" != xno; then ssl_msg= dnl backup the pre-ssl variables CLEANLDFLAGS="$LDFLAGS" CLEANLDFLAGSPC="$LDFLAGSPC" CLEANCPPFLAGS="$CPPFLAGS" ## NEW CODE dnl use pkg-config unless we have been given a path dnl even then, try pkg-config first case "$OPT_RUSTLS" in yes) dnl --with-rustls (without path) used PKGTEST="yes" PREFIX_RUSTLS= ;; *) dnl check the provided --with-rustls path PKGTEST="no" PREFIX_RUSTLS=$OPT_RUSTLS dnl Try pkg-config even when cross-compiling. Since we dnl specify PKG_CONFIG_LIBDIR we are only looking where dnl the user told us to look RUSTLS_PCDIR="$PREFIX_RUSTLS/lib/pkgconfig" if test -f "$RUSTLS_PCDIR/rustls.pc"; then AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$RUSTLS_PCDIR"]) PKGTEST="yes" fi if test "$PKGTEST" != "yes"; then # try lib64 instead RUSTLS_PCDIR="$PREFIX_RUSTLS/lib64/pkgconfig" if test -f "$RUSTLS_PCDIR/rustls.pc"; then AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$RUSTLS_PCDIR"]) PKGTEST="yes" fi fi if test "$PKGTEST" != "yes"; then dnl pkg-config came up empty, use what we got dnl via --with-rustls addld=-L$PREFIX_RUSTLS/lib$libsuff addcflags=-I$PREFIX_RUSTLS/include LDFLAGS="$LDFLAGS $addld" LDFLAGSPC="$LDFLAGSPC $addld" if test "$addcflags" != "-I/usr/include"; then CPPFLAGS="$CPPFLAGS $addcflags" fi case $host in *-apple-*) RUSTLS_LDFLAGS="-framework Security -framework Foundation" ;; *) RUSTLS_LDFLAGS="-lpthread -ldl -lm" ;; esac AC_CHECK_LIB(rustls, rustls_connection_read, [ AC_DEFINE(USE_RUSTLS, 1, [if Rustls is enabled]) AC_SUBST(USE_RUSTLS, [1]) RUSTLS_ENABLED=1 USE_RUSTLS="yes" ssl_msg="rustls" test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes ], AC_MSG_ERROR([--with-rustls was specified but could not find Rustls.]), $RUSTLS_LDFLAGS) LIB_RUSTLS="$PREFIX_RUSTLS/lib$libsuff" if test "$PREFIX_RUSTLS" != "/usr" ; then SSL_LDFLAGS="-L$LIB_RUSTLS $RUSTLS_LDFLAGS" SSL_CPPFLAGS="-I$PREFIX_RUSTLS/include" fi fi ;; esac link_pkgconfig='' if test "$PKGTEST" = "yes"; then CURL_CHECK_PKGCONFIG(rustls, [$RUSTLS_PCDIR]) if test "$PKGCONFIG" != "no" ; then SSL_LIBS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl $PKGCONFIG --libs-only-l --libs-only-other rustls 2>/dev/null` SSL_LDFLAGS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl $PKGCONFIG --libs-only-L rustls 2>/dev/null` SSL_CPPFLAGS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl $PKGCONFIG --cflags-only-I rustls 2>/dev/null` AC_SUBST(SSL_LIBS) AC_MSG_NOTICE([pkg-config: SSL_LIBS: "$SSL_LIBS"]) AC_MSG_NOTICE([pkg-config: SSL_LDFLAGS: "$SSL_LDFLAGS"]) AC_MSG_NOTICE([pkg-config: SSL_CPPFLAGS: "$SSL_CPPFLAGS"]) LIB_RUSTLS=`echo $SSL_LDFLAGS | sed -e 's/^-L//'` dnl use the values pkg-config reported. This is here dnl instead of below with CPPFLAGS and LDFLAGS because we only dnl learn about this via pkg-config. If we only have dnl the argument to --with-rustls we don't know what dnl additional libs may be necessary. Hope that we dnl don't need any. LIBS="$SSL_LIBS $LIBS" link_pkgconfig=1 ssl_msg="rustls" AC_DEFINE(USE_RUSTLS, 1, [if Rustls is enabled]) AC_SUBST(USE_RUSTLS, [1]) USE_RUSTLS="yes" RUSTLS_ENABLED=1 test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes else AC_MSG_ERROR([pkg-config: Could not find Rustls]) fi else dnl we did not use pkg-config, so we need to add the dnl Rustls lib to LIBS LIBS="-lrustls -lpthread -ldl -lm $LIBS" fi dnl finally, set flags to use this TLS backend CPPFLAGS="$CLEANCPPFLAGS $SSL_CPPFLAGS" LDFLAGS="$CLEANLDFLAGS $SSL_LDFLAGS" LDFLAGSPC="$CLEANLDFLAGSPC $SSL_LDFLAGS" if test "x$USE_RUSTLS" = "xyes"; then AC_MSG_NOTICE([detected Rustls]) check_for_ca_bundle=1 if test -n "$LIB_RUSTLS"; then dnl when shared libs were found in a path that the run-time dnl linker does not search through, we need to add it to dnl CURL_LIBRARY_PATH so that further configure tests do not dnl fail due to this if test "x$cross_compiling" != "xyes"; then CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$LIB_RUSTLS" export CURL_LIBRARY_PATH AC_MSG_NOTICE([Added $LIB_RUSTLS to CURL_LIBRARY_PATH]) fi fi if test -n "$link_pkgconfig"; then LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE rustls" fi fi test -z "$ssl_msg" || ssl_backends="${ssl_backends:+$ssl_backends, }$ssl_msg" if test X"$OPT_RUSTLS" != Xno && test "$RUSTLS_ENABLED" != "1"; then AC_MSG_NOTICE([OPT_RUSTLS: $OPT_RUSTLS]) AC_MSG_NOTICE([RUSTLS_ENABLED: $RUSTLS_ENABLED]) AC_MSG_ERROR([--with-rustls was given but Rustls could not be detected]) fi fi ]) RUSTLS_ENABLED