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curl/m4/curl-rustls.m4
Kevin Burke 9f71cc293f
m4: add security frameworks on Mac when compiling rustls
Previously compiling rustls on Mac would only complete if you also
compiled the SecureTransport TLS backend, which curl would prefer to
the Rust backend.

Appending these flags to LDFLAGS makes it possible to compile the
Rustls backend on Mac without the SecureTransport backend, which means
this patch will make it possible for Mac users to use the Rustls
backend for TLS.

Reviewed-by: Jacob Hoffman-Andrews

Fixes #6955
Cloes #6956
2021-04-25 23:30:08 +02:00

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#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, 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.
#
#***************************************************************************
AC_DEFUN([CURL_WITH_RUSTLS], [
dnl ----------------------------------------------------
dnl check for rustls
dnl ----------------------------------------------------
if test "x$OPT_RUSTLS" != xno; then
_cppflags=$CPPFLAGS
_ldflags=$LDFLAGS
ssl_msg=
if test X"$OPT_RUSTLS" != Xno; then
if test "$OPT_RUSTLS" = "yes"; then
OPT_RUSTLS=""
fi
if test -z "$OPT_RUSTLS" ; then
dnl check for lib first without setting any new path
AC_CHECK_LIB(crustls, rustls_client_session_read,
dnl libcrustls found, set the variable
[
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 != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
], [], -lpthread -ldl)
fi
addld=""
addlib="-lpthread"
addcflags=""
bearssllib=""
if test "x$USE_RUSTLS" != "xyes"; then
dnl add the path and test again
addld=-L$OPT_RUSTLS/lib$libsuff
addcflags=-I$OPT_RUSTLS/include
rustlslib=$OPT_RUSTLS/lib$libsuff
LDFLAGS="$LDFLAGS $addld"
if (test -d "/System/Library/Frameworks/Security.framework" && test "x$cross_compiling" != "xyes"); then
LDFLAGS="$LDFLAGS -framework CoreFoundation -framework Security"
fi
if test "$addcflags" != "-I/usr/include"; then
CPPFLAGS="$CPPFLAGS $addcflags"
fi
AC_CHECK_LIB(crustls, rustls_client_session_read,
[
AC_DEFINE(USE_RUSTLS, 1, [if rustls is enabled])
AC_SUBST(USE_RUSTLS, [1])
RUSTLS_ENABLED=1
USE_RUSTLS="yes"
ssl_msg="rustls"
test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes
],
AC_MSG_ERROR([--with-rustls was specified but could not find rustls.]),
-lpthread -ldl)
fi
if test "x$USE_RUSTLS" = "xyes"; then
AC_MSG_NOTICE([detected rustls])
check_for_ca_bundle=1
LIBS="-lcrustls -lpthread -ldl $LIBS"
if test -n "$rustlslib"; then
dnl when shared libs were found in a path that the run-time
dnl linker doesn't search through, we need to add it to
dnl CURL_LIBRARY_PATH to prevent further configure tests to fail
dnl due to this
if test "x$cross_compiling" != "xyes"; then
CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$rustlslib"
export CURL_LIBRARY_PATH
AC_MSG_NOTICE([Added $rustlslib to CURL_LIBRARY_PATH])
fi
fi
fi
fi dnl rustls not disabled
test -z "$ssl_msg" || ssl_backends="${ssl_backends:+$ssl_backends, }$ssl_msg"
fi
])