1# Copyright (c) 2016, Intel Corporation
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without modification,
5# are permitted provided that the following conditions are met:
6#
7# 1. Redistributions of source code must retain the above copyright notice, this
8# list of conditions and the following disclaimer.
9#
10# 2. Redistributions in binary form must reproduce the above copyright notice,
11# this list of conditions and the following disclaimer in the documentation and/or
12# other materials provided with the distribution.
13#
14# 3. Neither the name of the copyright holder nor the names of its contributors
15# may be used to endorse or promote products derived from this software without
16# specific prior written permission.
17#
18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
19# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
22# ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
25# ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
27# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
29# Fallback values:
30set(PF_VERSION_MAJOR 0)
31set(PF_VERSION_MINOR 0)
32set(PF_VERSION_PATCH 0)
33set(PF_VERSION_TWEAK 0)
34set(PF_VERSION_SHA1 "g0000000000")
35set(PF_VERSION_DIRTY "")
36
37# Find and set the Parameter Framework's version
38# First, let's see if the user forced a version (i.e. "vX.Y.Z-N")
39if(NOT DEFINED PF_VERSION)
40    # Else, try to get it from git
41    execute_process(COMMAND git describe --tags --long --dirty --abbrev=12
42        WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
43        OUTPUT_VARIABLE PF_VERSION
44        RESULT_VARIABLE GIT_DESCRIBE_RESULT
45        OUTPUT_STRIP_TRAILING_WHITESPACE
46        ERROR_QUIET)
47
48    if(GIT_DESCRIBE_RESULT GREATER 0)
49        # Or fall back to reading it from .version (this will happen when
50        # building from an archive)
51        file(READ "${PROJECT_SOURCE_DIR}/.version" PF_VERSION_FILE_CONTENT)
52
53        set(REGEX "tag: (v[0-9.]+)")
54        if(PF_VERSION_FILE_CONTENT MATCHES ${REGEX})
55            set(PF_VERSION "${CMAKE_MATCH_1}-0")
56        endif()
57    endif()
58else()
59    # Set the "nice version string" to the one forced by the user
60    set(NICE_PF_VERSION "${PF_VERSION}")
61endif()
62
63# Parse the version number to extract the various fields
64set(REGEX "([0-9]+).([0-9]+).([0-9]+).([0-9]+)(-(g[0-9a-f]+)?)?(-(dirty)?)?")
65if(PF_VERSION MATCHES ${REGEX})
66    set(PF_VERSION_MAJOR ${CMAKE_MATCH_1})
67    set(PF_VERSION_MINOR ${CMAKE_MATCH_2})
68    set(PF_VERSION_PATCH ${CMAKE_MATCH_3})
69    set(PF_VERSION_TWEAK ${CMAKE_MATCH_4})
70    set(PF_VERSION_SHA1 ${CMAKE_MATCH_6}) # Skip the 5th: it is a superset of the 6th
71    set(PF_VERSION_DIRTY ${CMAKE_MATCH_8}) # Skip the 7th: it is a superset of the 8th
72endif()
73
74# If we are precisely on a tag, make a nicer version string (unless otherwise
75# forced by the user - see above)
76if((NOT DEFINED NICE_PF_VERSION) AND (PF_VERSION_TWEAK EQUAL 0) AND (NOT PF_VERSION_DIRTY))
77    set(NICE_PF_VERSION "v${PF_VERSION_MAJOR}.${PF_VERSION_MINOR}.${PF_VERSION_PATCH}")
78endif()
79