curl-rustls.m4 (6492B)
1 #*************************************************************************** 2 # _ _ ____ _ 3 # Project ___| | | | _ \| | 4 # / __| | | | |_) | | 5 # | (__| |_| | _ <| |___ 6 # \___|\___/|_| \_\_____| 7 # 8 # Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9 # 10 # This software is licensed as described in the file COPYING, which 11 # you should have received as part of this distribution. The terms 12 # are also available at https://curl.se/docs/copyright.html. 13 # 14 # You may opt to use, copy, modify, merge, publish, distribute and/or sell 15 # copies of the Software, and permit persons to whom the Software is 16 # furnished to do so, under the terms of the COPYING file. 17 # 18 # This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19 # KIND, either express or implied. 20 # 21 # SPDX-License-Identifier: curl 22 # 23 #*************************************************************************** 24 25 AC_DEFUN([CURL_WITH_RUSTLS], [ 26 dnl ---------------------------------------------------- 27 dnl check for Rustls 28 dnl ---------------------------------------------------- 29 30 if test "x$OPT_RUSTLS" != xno; then 31 ssl_msg= 32 33 dnl backup the pre-ssl variables 34 CLEANLDFLAGS="$LDFLAGS" 35 CLEANLDFLAGSPC="$LDFLAGSPC" 36 CLEANCPPFLAGS="$CPPFLAGS" 37 38 ## NEW CODE 39 40 dnl use pkg-config unless we have been given a path 41 dnl even then, try pkg-config first 42 43 case "$OPT_RUSTLS" in 44 yes) 45 dnl --with-rustls (without path) used 46 PKGTEST="yes" 47 PREFIX_RUSTLS= 48 ;; 49 *) 50 dnl check the provided --with-rustls path 51 PKGTEST="no" 52 PREFIX_RUSTLS=$OPT_RUSTLS 53 54 dnl Try pkg-config even when cross-compiling. Since we 55 dnl specify PKG_CONFIG_LIBDIR we are only looking where 56 dnl the user told us to look 57 58 RUSTLS_PCDIR="$PREFIX_RUSTLS/lib/pkgconfig" 59 if test -f "$RUSTLS_PCDIR/rustls.pc"; then 60 AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$RUSTLS_PCDIR"]) 61 PKGTEST="yes" 62 fi 63 64 if test "$PKGTEST" != "yes"; then 65 # try lib64 instead 66 RUSTLS_PCDIR="$PREFIX_RUSTLS/lib64/pkgconfig" 67 if test -f "$RUSTLS_PCDIR/rustls.pc"; then 68 AC_MSG_NOTICE([PKG_CONFIG_LIBDIR will be set to "$RUSTLS_PCDIR"]) 69 PKGTEST="yes" 70 fi 71 fi 72 73 if test "$PKGTEST" != "yes"; then 74 dnl pkg-config came up empty, use what we got 75 dnl via --with-rustls 76 77 addld=-L$PREFIX_RUSTLS/lib$libsuff 78 addcflags=-I$PREFIX_RUSTLS/include 79 80 LDFLAGS="$LDFLAGS $addld" 81 LDFLAGSPC="$LDFLAGSPC $addld" 82 if test "$addcflags" != "-I/usr/include"; then 83 CPPFLAGS="$CPPFLAGS $addcflags" 84 fi 85 86 if test "$curl_cv_apple" = 'yes'; then 87 RUSTLS_LDFLAGS="-framework Security -framework Foundation" 88 else 89 RUSTLS_LDFLAGS="-lpthread -ldl -lm" 90 fi 91 92 LIB_RUSTLS="$PREFIX_RUSTLS/lib$libsuff" 93 if test "$PREFIX_RUSTLS" != "/usr" ; then 94 SSL_LDFLAGS="-L$LIB_RUSTLS $RUSTLS_LDFLAGS" 95 SSL_CPPFLAGS="-I$PREFIX_RUSTLS/include" 96 fi 97 98 dnl we will verify AC_CHECK_LIB later on 99 AC_DEFINE(USE_RUSTLS, 1, [if Rustls is enabled]) 100 USE_RUSTLS="yes" 101 fi 102 ;; 103 esac 104 105 link_pkgconfig='' 106 107 if test "$PKGTEST" = "yes"; then 108 109 CURL_CHECK_PKGCONFIG(rustls, [$RUSTLS_PCDIR]) 110 111 if test "$PKGCONFIG" != "no" ; then 112 SSL_LIBS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl 113 $PKGCONFIG --libs-only-l --libs-only-other rustls 2>/dev/null` 114 115 SSL_LDFLAGS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl 116 $PKGCONFIG --libs-only-L rustls 2>/dev/null` 117 118 SSL_CPPFLAGS=`CURL_EXPORT_PCDIR([$RUSTLS_PCDIR]) dnl 119 $PKGCONFIG --cflags-only-I rustls 2>/dev/null` 120 121 AC_MSG_NOTICE([pkg-config: SSL_LIBS: "$SSL_LIBS"]) 122 AC_MSG_NOTICE([pkg-config: SSL_LDFLAGS: "$SSL_LDFLAGS"]) 123 AC_MSG_NOTICE([pkg-config: SSL_CPPFLAGS: "$SSL_CPPFLAGS"]) 124 125 LIB_RUSTLS=`echo $SSL_LDFLAGS | sed -e 's/^-L//'` 126 127 dnl use the values pkg-config reported. This is here 128 dnl instead of below with CPPFLAGS and LDFLAGS because we only 129 dnl learn about this via pkg-config. If we only have 130 dnl the argument to --with-rustls we don't know what 131 dnl additional libs may be necessary. Hope that we 132 dnl don't need any. 133 LIBS="$SSL_LIBS $LIBS" 134 link_pkgconfig=1 135 ssl_msg="rustls" 136 AC_DEFINE(USE_RUSTLS, 1, [if Rustls is enabled]) 137 USE_RUSTLS="yes" 138 RUSTLS_ENABLED=1 139 test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes 140 else 141 AC_MSG_ERROR([pkg-config: Could not find Rustls]) 142 fi 143 144 else 145 dnl we did not use pkg-config, so we need to add the 146 dnl Rustls lib to LIBS 147 LIBS="-lrustls -lpthread -ldl -lm $LIBS" 148 fi 149 150 dnl finally, set flags to use this TLS backend 151 CPPFLAGS="$CLEANCPPFLAGS $SSL_CPPFLAGS" 152 LDFLAGS="$CLEANLDFLAGS $SSL_LDFLAGS" 153 LDFLAGSPC="$CLEANLDFLAGSPC $SSL_LDFLAGS" 154 155 if test "x$USE_RUSTLS" = "xyes"; then 156 AC_MSG_NOTICE([detected Rustls]) 157 check_for_ca_bundle=1 158 159 if test -n "$LIB_RUSTLS"; then 160 dnl when shared libs were found in a path that the run-time 161 dnl linker does not search through, we need to add it to 162 dnl CURL_LIBRARY_PATH so that further configure tests do not 163 dnl fail due to this 164 if test "x$cross_compiling" != "xyes"; then 165 CURL_LIBRARY_PATH="$CURL_LIBRARY_PATH:$LIB_RUSTLS" 166 export CURL_LIBRARY_PATH 167 AC_MSG_NOTICE([Added $LIB_RUSTLS to CURL_LIBRARY_PATH]) 168 fi 169 fi 170 if test -n "$link_pkgconfig"; then 171 LIBCURL_PC_REQUIRES_PRIVATE="$LIBCURL_PC_REQUIRES_PRIVATE rustls" 172 fi 173 174 AC_CHECK_LIB(rustls, rustls_supported_hpke, 175 [ 176 AC_DEFINE(USE_RUSTLS, 1, [if Rustls is enabled]) 177 RUSTLS_ENABLED=1 178 USE_RUSTLS="yes" 179 ssl_msg="rustls" 180 test rustls != "$DEFAULT_SSL_BACKEND" || VALID_DEFAULT_SSL_BACKEND=yes 181 ], 182 AC_MSG_ERROR([--with-rustls was specified but could not find compatible Rustls.]), 183 $RUSTLS_LDFLAGS) 184 fi 185 186 test -z "$ssl_msg" || ssl_backends="${ssl_backends:+$ssl_backends, }$ssl_msg" 187 188 if test X"$OPT_RUSTLS" != Xno && 189 test "$RUSTLS_ENABLED" != "1"; then 190 AC_MSG_NOTICE([OPT_RUSTLS: $OPT_RUSTLS]) 191 AC_MSG_NOTICE([RUSTLS_ENABLED: $RUSTLS_ENABLED]) 192 AC_MSG_ERROR([--with-rustls was given but Rustls could not be detected]) 193 fi 194 fi 195 ]) 196 197 RUSTLS_ENABLED