blob: 5d3fcbfb13c20e2a48e212fe5610cdc40ea3b708 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
# - Find the Catch test framework or download it (single header)
#
# This is a quick module for internal use. It assumes that Catch is
# REQUIRED and that a minimum version is provided (not EXACT). If
# a suitable version isn't found locally, the single header file
# will be downloaded and placed in the build dir: PROJECT_BINARY_DIR.
#
# This code sets the following variables:
# CATCH_INCLUDE_DIR - path to catch.hpp
# CATCH_VERSION - version number
option(DOWNLOAD_CATCH "Download catch2 if not found")
if(NOT Catch_FIND_VERSION)
message(FATAL_ERROR "A version number must be specified.")
elseif(Catch_FIND_REQUIRED)
message(FATAL_ERROR "This module assumes Catch is not required.")
elseif(Catch_FIND_VERSION_EXACT)
message(FATAL_ERROR "Exact version numbers are not supported, only minimum.")
endif()
# Extract the version number from catch.hpp
function(_get_catch_version)
file(
STRINGS "${CATCH_INCLUDE_DIR}/catch.hpp" version_line
REGEX "Catch v.*"
LIMIT_COUNT 1)
if(version_line MATCHES "Catch v([0-9]+)\\.([0-9]+)\\.([0-9]+)")
set(CATCH_VERSION
"${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}"
PARENT_SCOPE)
endif()
endfunction()
# Download the single-header version of Catch
function(_download_catch version destination_dir)
message(STATUS "Downloading catch v${version}...")
set(url https://github.com/philsquared/Catch/releases/download/v${version}/catch.hpp)
file(
DOWNLOAD ${url} "${destination_dir}/catch.hpp"
STATUS status
LOG log)
list(GET status 0 error)
if(error)
string(REPLACE "\n" "\n " log " ${log}")
message(FATAL_ERROR "Could not download URL:\n" " ${url}\n" "Log:\n" "${log}")
endif()
set(CATCH_INCLUDE_DIR
"${destination_dir}"
CACHE INTERNAL "")
endfunction()
# Look for catch locally
find_path(
CATCH_INCLUDE_DIR
NAMES catch.hpp
PATH_SUFFIXES catch2)
if(CATCH_INCLUDE_DIR)
_get_catch_version()
endif()
# Download the header if it wasn't found or if it's outdated
if(NOT CATCH_VERSION OR CATCH_VERSION VERSION_LESS ${Catch_FIND_VERSION})
if(DOWNLOAD_CATCH)
_download_catch(${Catch_FIND_VERSION} "${PROJECT_BINARY_DIR}/catch/")
_get_catch_version()
else()
set(CATCH_FOUND FALSE)
return()
endif()
endif()
add_library(Catch2::Catch2 IMPORTED INTERFACE)
set_property(TARGET Catch2::Catch2 PROPERTY INTERFACE_INCLUDE_DIRECTORIES "${CATCH_INCLUDE_DIR}")
set(CATCH_FOUND TRUE)
|
