File: GrVersion.cmake

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# Copyright 2011,2013 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# GNU Radio is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# GNU Radio is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Radio; see the file COPYING.  If not, write to
# the Free Software Foundation, Inc., 51 Franklin Street,
# Boston, MA 02110-1301, USA.

if(DEFINED __INCLUDED_GR_VERSION_CMAKE)
    return()
endif()
set(__INCLUDED_GR_VERSION_CMAKE TRUE)

#eventually, replace version.sh and fill in the variables below
set(MAJOR_VERSION ${VERSION_INFO_MAJOR_VERSION})
set(API_COMPAT    ${VERSION_INFO_API_COMPAT})
set(MINOR_VERSION ${VERSION_INFO_MINOR_VERSION})
set(MAINT_VERSION ${VERSION_INFO_MAINT_VERSION})

########################################################################
# Extract the version string from git describe.
########################################################################
find_package(Git)

MACRO(create_manual_git_describe)
    if(NOT GR_GIT_COUNT)
        set(GR_GIT_COUNT "compat-xxx")
    endif()
    if(NOT GR_GIT_HASH)
        set(GR_GIT_HASH "xunknown")
    endif()
    set(GIT_DESCRIBE "v${MAJOR_VERSION}.${API_COMPAT}-${GR_GIT_COUNT}-${GR_GIT_HASH}")
ENDMACRO()

if(GIT_FOUND AND EXISTS ${CMAKE_SOURCE_DIR}/.git)
    message(STATUS "Extracting version information from git describe...")
    execute_process(
        COMMAND ${GIT_EXECUTABLE} describe --always --abbrev=8 --long
        OUTPUT_VARIABLE GIT_DESCRIBE OUTPUT_STRIP_TRAILING_WHITESPACE
        WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
    )
    if(GIT_DESCRIBE STREQUAL "")
        create_manual_git_describe()
    endif()
else()
    create_manual_git_describe()
endif()

########################################################################
# Use the logic below to set the version constants
########################################################################
if("${MINOR_VERSION}" STREQUAL "git")
    # VERSION: 3.3git-xxx-gxxxxxxxx
    # DOCVER:  3.3git
    # LIBVER:  3.3git
    set(VERSION "${GIT_DESCRIBE}")
    set(DOCVER  "${MAJOR_VERSION}.${API_COMPAT}${MINOR_VERSION}")
    set(LIBVER  "${MAJOR_VERSION}.${API_COMPAT}${MINOR_VERSION}")
    set(RC_MINOR_VERSION "0")
    set(RC_MAINT_VERSION "0")
elseif("${MAINT_VERSION}" STREQUAL "git")
    # VERSION: 3.3.1git-xxx-gxxxxxxxx
    # DOCVER:  3.3.1git
    # LIBVER:  3.3.1git
    set(VERSION "${GIT_DESCRIBE}")
    set(DOCVER  "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}${MAINT_VERSION}")
    set(LIBVER  "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}${MAINT_VERSION}")
    math(EXPR RC_MINOR_VERSION "${MINOR_VERSION} - 1")
    set(RC_MAINT_VERSION "0")
else()
    # This is a numbered release.
    # VERSION: 3.3.1{.x}
    # DOCVER:  3.3.1{.x}
    # LIBVER:  3.3.1{.x}
    set(VERSION "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}.${MAINT_VERSION}")
    set(DOCVER "${VERSION}")
    set(LIBVER "${MAJOR_VERSION}.${API_COMPAT}.${MINOR_VERSION}")
    set(RC_MINOR_VERSION ${MINOR_VERSION})
    set(RC_MAINT_VERSION ${MAINT_VERSION})
endif()