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Update cmake version script and export with cmake config
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‎cmake/CgvFindVersion.cmake‎

Lines changed: 187 additions & 92 deletions
Original file line numberDiff line numberDiff line change
@@ -3,19 +3,19 @@
33
#
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# https://github.com/sethrj/cmake-git-version
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#
6-
# Copyright 2021 UT-Battelle, LLC and Seth R Johnson
6+
# Copyright 2021-2023 UT-Battelle, LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# Unless required by applicable law or agreed to in writing, software
15+
# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
18+
# limitations under the License.
1919
#[=======================================================================[.rst:
2020
2121
CgvFindVersion
@@ -31,13 +31,15 @@ CgvFindVersion
3131
``<projname>``
3232
Name of the project.
3333
34-
This command sets the following variables in the parent package::
34+
This command sets the numeric (usable in CMake version comparisons) and
35+
extended (useful for exact versioning) version variables in the parent
36+
package::
3537
3638
${projname}_VERSION
3739
${projname}_VERSION_STRING
3840
39-
It takes the project name and version file path as optional arguments to
40-
support using it before the CMake ``project`` command.
41+
It takes the project name as an optional argument so that it may be used
42+
*before* calling the CMake ``project`` command.
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4244
The project version string uses an approximation to SemVer strings, appearing
4345
as v0.1.2 if the version is actually a tagged release, or v0.1.3+abcdef if
@@ -47,10 +49,13 @@ CgvFindVersion
4749
it's impossible to determine the version from the tag, so a warning will be
4850
issued and the version will be set to 0.0.0.
4951
50-
The exact regex used to match the version tag is::
52+
The default regex used to match the numeric version and full version string
53+
from the git tag is::
5154
5255
v([0-9.]+)(-dev[0-9.]+)?
5356
57+
but you can override the regex by setting the ``CGV_TAG_REGEX`` variable
58+
before calling ``cgv_find_version``.
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5560
.. note:: In order for this script to work properly with archived git
5661
repositories (generated with ``git-archive`` or GitHub's release tarball
@@ -64,108 +69,198 @@ if(CMAKE_SCRIPT_MODE_FILE)
6469
cmake_minimum_required(VERSION 3.8)
6570
endif()
6671

67-
function(cgv_find_version)
68-
set(projname "${ARGV0}")
69-
if(NOT projname)
70-
set(projname "${CMAKE_PROJECT_NAME}")
71-
if(NOT projname)
72-
message(FATAL_ERROR "Project name is not defined")
73-
endif()
72+
#-----------------------------------------------------------------------------#
73+
74+
function(_cgv_store_version string suffix hash)
75+
if(NOT string)
76+
message(WARNING "The version metadata for ${CGV_PROJECT} could not "
77+
"be determined: installed version number may be incorrect")
7478
endif()
79+
set(_CACHED_VERSION "${string}" "${suffix}" "${hash}")
80+
# Note: extra 'unset' is necessary if using CMake presets with
81+
# ${CGV_PROJECT}_GIT_DESCRIBE="", even with INTERNAL/FORCE
82+
unset(${CGV_CACHE_VAR} CACHE)
83+
set(${CGV_CACHE_VAR} "${_CACHED_VERSION}" CACHE INTERNAL
84+
"Version string and hash for ${CGV_PROJECT}")
85+
endfunction()
86+
87+
#-----------------------------------------------------------------------------#
7588

89+
function(_cgv_try_archive_md)
7690
# Get a possible Git version generated using git-archive (see the
7791
# .gitattributes file)
92+
set(_ARCHIVE_DESCR "$Format:%$")
7893
set(_ARCHIVE_TAG "$Format:%D$")
7994
set(_ARCHIVE_HASH "$Format:%h$")
95+
if(_ARCHIVE_HASH MATCHES "Format:%h")
96+
# Not a git archive
97+
return()
98+
endif()
8099

81-
set(_TAG_REGEX "v([0-9.]+)(-dev[0-9.]+)?")
82-
set(_HASH_REGEX "([0-9a-f]+)")
83-
84-
if(_ARCHIVE_HASH MATCHES "%h")
85-
# Not a "git archive": use live git information
86-
set(_CACHE_VAR "${projname}_GIT_DESCRIBE")
87-
set(_CACHED_VERSION "${${_CACHE_VAR}}")
88-
if(NOT _CACHED_VERSION)
89-
# Building from a git checkout rather than a distribution
90-
if(NOT GIT_EXECUTABLE)
91-
find_package(Git QUIET REQUIRED)
92-
endif()
93-
execute_process(
94-
COMMAND "${GIT_EXECUTABLE}" "describe" "--tags" "--match" "v*"
95-
WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}"
96-
ERROR_VARIABLE _GIT_ERR
97-
OUTPUT_VARIABLE _VERSION_STRING
98-
RESULT_VARIABLE _GIT_RESULT
99-
OUTPUT_STRIP_TRAILING_WHITESPACE
100-
)
101-
if(_GIT_RESULT)
102-
message(AUTHOR_WARNING "No git tags in ${projname} matched 'v*': "
103-
"${_GIT_ERR}")
104-
elseif(NOT _VERSION_STRING)
105-
message(WARNING "Failed to get ${projname} version from git: "
106-
"git describe returned an empty string")
107-
else()
108-
# Process description tag: e.g. v0.4.0-2-gc4af497 or v0.4.0
109-
# or v2.0.0-dev2
110-
string(REGEX MATCH "^${_TAG_REGEX}(-[0-9]+-g${_HASH_REGEX})?" _MATCH
111-
"${_VERSION_STRING}"
112-
)
113-
if(_MATCH)
114-
set(_VERSION_STRING "${CMAKE_MATCH_1}")
115-
set(_VERSION_STRING_SUFFIX "${CMAKE_MATCH_2}")
116-
if(CMAKE_MATCH_3)
117-
# *not* a tagged release
118-
set(_VERSION_HASH "${CMAKE_MATCH_4}")
119-
endif()
120-
endif()
121-
endif()
122-
if(NOT _VERSION_STRING)
123-
execute_process(
124-
COMMAND "${GIT_EXECUTABLE}" "log" "-1" "--format=%h" "HEAD"
125-
WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}"
126-
OUTPUT_VARIABLE _VERSION_HASH
127-
OUTPUT_STRIP_TRAILING_WHITESPACE
128-
)
129-
endif()
130-
set(_CACHED_VERSION "${_VERSION_STRING}" "${_VERSION_STRING_SUFFIX}" "${_VERSION_HASH}")
131-
set("${_CACHE_VAR}" "${_CACHED_VERSION}" CACHE INTERNAL
132-
"Version string and hash for ${projname}")
133-
endif()
134-
list(GET _CACHED_VERSION 0 _VERSION_STRING)
135-
list(GET _CACHED_VERSION 1 _VERSION_STRING_SUFFIX)
136-
list(GET _CACHED_VERSION 2 _VERSION_HASH)
100+
string(REGEX MATCH "tag: *${CGV_TAG_REGEX}" _MATCH "${_ARCHIVE_TAG}")
101+
if(_MATCH)
102+
_cgv_store_version("${CMAKE_MATCH_1}" "${CMAKE_MATCH_2}" "")
137103
else()
138-
string(REGEX MATCH "tag: *${_TAG_REGEX}" _MATCH "${_ARCHIVE_TAG}")
104+
message(WARNING "Could not match a version tag for "
105+
"git description '${_ARCHIVE_TAG}': perhaps this archive was not "
106+
"exported from a tagged commit?")
107+
string(REGEX MATCH " *([0-9a-f]+)" _MATCH "${_ARCHIVE_HASH}")
139108
if(_MATCH)
140-
set(_VERSION_STRING "${CMAKE_MATCH_1}")
141-
set(_VERSION_STRING_SUFFIX "${CMAKE_MATCH_2}")
109+
_cgv_store_version("" "" "${CMAKE_MATCH_1}")
110+
endif()
111+
endif()
112+
endfunction()
113+
114+
#-----------------------------------------------------------------------------#
115+
116+
function(_cgv_try_git_describe)
117+
# First time calling "git describe"
118+
if(NOT Git_FOUND)
119+
find_package(Git QUIET)
120+
if(NOT Git_FOUND)
121+
message(WARNING "Could not find Git, needed to find the version tag")
122+
return()
123+
endif()
124+
endif()
125+
126+
# Load git description
127+
execute_process(
128+
COMMAND "${GIT_EXECUTABLE}" "describe" "--tags" "--match" "v*"
129+
WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}"
130+
ERROR_VARIABLE _GIT_ERR
131+
OUTPUT_VARIABLE _VERSION_STRING
132+
RESULT_VARIABLE _GIT_RESULT
133+
OUTPUT_STRIP_TRAILING_WHITESPACE
134+
)
135+
if(_GIT_RESULT)
136+
message(WARNING "No git tags in ${CGV_PROJECT} matched 'v*': "
137+
"${_GIT_ERR}")
138+
return()
139+
elseif(NOT _VERSION_STRING)
140+
message(WARNING "Failed to get ${CGV_PROJECT} version from git: "
141+
"git describe returned an empty string")
142+
return()
143+
endif()
144+
145+
# Process description tag: e.g. v0.4.0-2-gc4af497 or v0.4.0
146+
# or v2.0.0-dev2
147+
set(_DESCR_REGEX "^${CGV_TAG_REGEX}(-([0-9]+)-g([0-9a-f]+))?")
148+
string(REGEX MATCH "${_DESCR_REGEX}" _MATCH "${_VERSION_STRING}")
149+
if(NOT _MATCH)
150+
message(WARNING "Failed to parse description '${_VERSION_STRING}' "
151+
"with regex '${_DESCR_REGEX}'"
152+
)
153+
return()
154+
endif()
155+
156+
if(NOT CMAKE_MATCH_3)
157+
# This is a tagged release!
158+
_cgv_store_version("${CMAKE_MATCH_1}" "${CMAKE_MATCH_2}" "")
159+
else()
160+
if(CMAKE_MATCH_2)
161+
set(_suffix ${CMAKE_MATCH_2}.${CMAKE_MATCH_4})
142162
else()
143-
message(AUTHOR_WARNING "Could not match a version tag for "
144-
"git description '${_ARCHIVE_TAG}': perhaps this archive was not "
145-
"exported from a tagged commit?")
146-
string(REGEX MATCH " *${_HASH_REGEX}" _MATCH "${_ARCHIVE_HASH}")
147-
if(_MATCH)
148-
set(_VERSION_HASH "${CMAKE_MATCH_1}")
163+
set(_suffix -${CMAKE_MATCH_4})
164+
endif()
165+
# Qualify the version number and save the hash
166+
_cgv_store_version(
167+
"${CMAKE_MATCH_1}" # [0-9.]+
168+
"${_suffix}" # (-dev[0-9.]*)? \. ([0-9]+)
169+
"${CMAKE_MATCH_5}" ([0-9a-f]+)
170+
)
171+
endif()
172+
endfunction()
173+
174+
#-----------------------------------------------------------------------------#
175+
176+
function(_cgv_try_git_hash)
177+
if(NOT GIT_EXECUTABLE)
178+
return()
179+
endif()
180+
# Fall back to just getting the hash
181+
execute_process(
182+
COMMAND "${GIT_EXECUTABLE}" "log" "-1" "--format=%h" "HEAD"
183+
WORKING_DIRECTORY "${CMAKE_CURRENT_LIST_DIR}"
184+
OUTPUT_VARIABLE _VERSION_HASH
185+
RESULT_VARIABLE _GIT_RESULT
186+
OUTPUT_STRIP_TRAILING_WHITESPACE
187+
)
188+
if(_GIT_RESULT)
189+
message(WARNING "Failed to get current commit hash from git: "
190+
"${_GIT_ERR}")
191+
return()
192+
endif()
193+
_cgv_store_version("" "" "${_VERSION_HASH}")
194+
endfunction()
195+
196+
#-----------------------------------------------------------------------------#
197+
198+
function(cgv_find_version)
199+
# Set CGV_ variables that are used in embedded macros/functions
200+
if(ARGC GREATER 0)
201+
set(CGV_PROJECT "${ARGV0}")
202+
elseif(NOT CGV_PROJECT)
203+
if(NOT CMAKE_PROJECT_NAME)
204+
message(FATAL_ERROR "Project name is not defined")
205+
endif()
206+
set(CGV_PROJECT "${CMAKE_PROJECT_NAME}")
207+
endif()
208+
209+
if(NOT CGV_TAG_REGEX)
210+
set(CGV_TAG_REGEX "v([0-9.]+)(-[a-z]+[0-9.]*)?")
211+
endif()
212+
213+
set(CGV_CACHE_VAR "${CGV_PROJECT}_GIT_DESCRIBE")
214+
215+
# Successively try archive metadata, git description, or just git hash
216+
if(NOT ${CGV_CACHE_VAR})
217+
_cgv_try_archive_md()
218+
if(NOT ${CGV_CACHE_VAR})
219+
_cgv_try_git_describe()
220+
if(NOT ${CGV_CACHE_VAR})
221+
_cgv_try_git_hash()
222+
if(NOT ${CGV_CACHE_VAR})
223+
set(${CGV_CACHE_VAR} "" "-unknown" "")
224+
endif()
149225
endif()
150226
endif()
151227
endif()
152228

229+
# Unpack stored version
230+
set(_CACHED_VERSION "${${CGV_CACHE_VAR}}")
231+
list(GET _CACHED_VERSION 0 _VERSION_STRING)
232+
list(GET _CACHED_VERSION 1 _VERSION_STRING_SUFFIX)
233+
list(GET _CACHED_VERSION 2 _VERSION_HASH)
234+
153235
if(NOT _VERSION_STRING)
154236
set(_VERSION_STRING "0.0.0")
155237
endif()
156238

157239
if(_VERSION_HASH)
158-
set(_FULL_VERSION_STRING "v${_VERSION_STRING}${_VERSION_STRING_SUFFIX}+${_VERSION_HASH}")
240+
set(_FULL_VERSION_STRING "${_VERSION_STRING}${_VERSION_STRING_SUFFIX}+${_VERSION_HASH}")
159241
else()
160-
set(_FULL_VERSION_STRING "v${_VERSION_STRING}${_VERSION_STRING_SUFFIX}")
242+
set(_FULL_VERSION_STRING "${_VERSION_STRING}${_VERSION_STRING_SUFFIX}")
161243
endif()
162244

163-
set(${projname}_VERSION "${_VERSION_STRING}" PARENT_SCOPE)
164-
set(${projname}_VERSION_STRING "${_FULL_VERSION_STRING}" PARENT_SCOPE)
245+
# Set version number and descriptive version in parent scope
246+
set(${CGV_PROJECT}_VERSION "${_VERSION_STRING}" PARENT_SCOPE)
247+
set(${CGV_PROJECT}_VERSION_STRING "${_FULL_VERSION_STRING}" PARENT_SCOPE)
165248
endfunction()
166249

250+
#-----------------------------------------------------------------------------#
251+
167252
if(CMAKE_SCRIPT_MODE_FILE)
168253
cgv_find_version(TEMP)
169-
message("VERSION=\"${TEMP_VERSION}\"")
170-
message("VERSION_STRING=\"${TEMP_VERSION_STRING}\"")
254+
if(DEFINED ONLY)
255+
# Print only the given variable, presumably VERSION or VERSION_STRING
256+
# (will print to stderr)
257+
set(VERSION "${TEMP_VERSION}")
258+
set(VERSION_STRING "${TEMP_VERSION_STRING}")
259+
message("${${ONLY}}")
260+
else()
261+
message("VERSION=\"${TEMP_VERSION}\"")
262+
message("VERSION_STRING=\"${TEMP_VERSION_STRING}\"")
263+
endif()
171264
endif()
265+
266+
# cmake-git-version 1.1.1

‎cmake/FlibcppConfig.cmake.in‎

Lines changed: 2 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -6,6 +6,8 @@ if(NOT TARGET @FLIBCPP_NAMESPACE@flc)
66
include("${Flibcpp_CMAKE_DIR}/FlibcppTargets.cmake")
77
endif()
88

9+
set(Flibcpp_VERSION_STRING "@Flibcpp_VERSION_STRING@")
10+
911
set(Flibcpp_LIBRARIES @FLIBCPP_LIBRARIES@)
1012

1113
set(FLIBCPP_BUILD_SHARED_LIBS @BUILD_SHARED_LIBS@)

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