xref: /curl/CMake/FindRustls.cmake (revision d511ec8b)
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# Find the Rustls library
25#
26# Input variables:
27#
28# - `RUSTLS_INCLUDE_DIR`:   The Rustls include directory.
29# - `RUSTLS_LIBRARY`:       Path to `rustls` library.
30#
31# Result variables:
32#
33# - `RUSTLS_FOUND`:         System has Rustls.
34# - `RUSTLS_INCLUDE_DIRS`:  The Rustls include directories.
35# - `RUSTLS_LIBRARIES`:     The Rustls library names.
36# - `RUSTLS_LIBRARY_DIRS`:  The Rustls library directories.
37# - `RUSTLS_PC_REQUIRES`:   The Rustls pkg-config packages.
38# - `RUSTLS_CFLAGS`:        Required compiler flags.
39# - `RUSTLS_VERSION`:       Version of Rustls.
40
41if(CURL_USE_PKGCONFIG AND
42   NOT DEFINED RUSTLS_INCLUDE_DIR AND
43   NOT DEFINED RUSTLS_LIBRARY)
44  find_package(PkgConfig QUIET)
45  pkg_check_modules(RUSTLS "rustls")
46endif()
47
48if(RUSTLS_FOUND)
49  set(RUSTLS_PC_REQUIRES "rustls")
50  string(REPLACE ";" " " RUSTLS_CFLAGS "${RUSTLS_CFLAGS}")
51  message(STATUS "Found Rustls (via pkg-config): ${RUSTLS_INCLUDE_DIRS} (found version \"${RUSTLS_VERSION}\")")
52else()
53  find_path(RUSTLS_INCLUDE_DIR NAMES "rustls.h")
54  find_library(RUSTLS_LIBRARY NAMES "rustls")
55
56  include(FindPackageHandleStandardArgs)
57  find_package_handle_standard_args(Rustls
58    REQUIRED_VARS
59      RUSTLS_INCLUDE_DIR
60      RUSTLS_LIBRARY
61  )
62
63  if(RUSTLS_FOUND)
64    set(RUSTLS_INCLUDE_DIRS ${RUSTLS_INCLUDE_DIR})
65    set(RUSTLS_LIBRARIES    ${RUSTLS_LIBRARY})
66  endif()
67
68  mark_as_advanced(RUSTLS_INCLUDE_DIR RUSTLS_LIBRARY)
69endif()
70
71if(APPLE)
72  find_library(SECURITY_FRAMEWORK "Security")
73  mark_as_advanced(SECURITY_FRAMEWORK)
74  if(NOT SECURITY_FRAMEWORK)
75    message(FATAL_ERROR "Security framework not found")
76  endif()
77  list(APPEND RUSTLS_LIBRARIES "-framework Security")
78
79  find_library(FOUNDATION_FRAMEWORK "Foundation")
80  mark_as_advanced(FOUNDATION_FRAMEWORK)
81  if(NOT FOUNDATION_FRAMEWORK)
82    message(FATAL_ERROR "Foundation framework not found")
83  endif()
84  list(APPEND RUSTLS_LIBRARIES "-framework Foundation")
85elseif(NOT WIN32)
86  find_library(_pthread_library "pthread")
87  if(_pthread_library)
88    list(APPEND RUSTLS_LIBRARIES "pthread")
89  endif()
90  mark_as_advanced(_pthread_library)
91
92  find_library(_dl_library "dl")
93  if(_dl_library)
94    list(APPEND RUSTLS_LIBRARIES "dl")
95  endif()
96  mark_as_advanced(_dl_library)
97
98  find_library(_math_library "m")
99  if(_math_library)
100    list(APPEND RUSTLS_LIBRARIES "m")
101  endif()
102  mark_as_advanced(_math_library)
103endif()
104