write_compiler_info.cmake

################################################################################
# This file is part of CMacIonize
# Copyright (C) 2016 Bert Vandenbroucke (bert.vandenbroucke@gmail.com)
#
# CMacIonize is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# CMacIonize is distributed in the hope that it will be useful,
# but WITOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with CMacIonize. If not, see <http://www.gnu.org/licenses/>.
################################################################################

execute_process(COMMAND ${GIT_EXECUTABLE} describe --tags --dirty
                OUTPUT_VARIABLE GIT_BUILD_STRING
                OUTPUT_STRIP_TRAILING_WHITESPACE)

if(HAVE_WINDOWS)

execute_process(COMMAND WMIC os GET LocalDateTime
                OUTPUT_VARIABLE FULL_DATE_BLOCK
                OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE "[^0-9]*([0-9]+)" "\\1" FULL_DATE ${FULL_DATE_BLOCK})

string(REGEX REPLACE "([0-9][0-9][0-9][0-9]).*" "\\1" COMPILATION_TIME_YEAR
       ${FULL_DATE})
string(REGEX REPLACE "[0-9][0-9][0-9][0-9]([0-9][0-9]).*" "\\1"
       COMPILATION_TIME_MONTH ${FULL_DATE})
string(REGEX REPLACE "[0-9][0-9][0-9][0-9][0-9][0-9]([0-9][0-9]).*" "\\1"
        COMPILATION_TIME_DAY ${FULL_DATE})
string(REGEX REPLACE "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]([0-9][0-9]).*"
       "\\1" COMPILATION_TIME_HOUR ${FULL_DATE})
string(REGEX REPLACE
       "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]([0-9][0-9]).*" "\\1"
       COMPILATION_TIME_MINUTES ${FULL_DATE})
string(
  REGEX REPLACE
  "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]([0-9][0-9]).*"
  "\\1" COMPILATION_TIME_SECONDS ${FULL_DATE})

set(OS_NAME "Windows")
set(OS_KERNEL_NAME "Windows")
set(OS_KERNEL_RELEASE "Microsoft Windows")
execute_process(COMMAND cmd.exe /c ver
                OUTPUT_VARIABLE OS_KERNEL_VERSION_STRING
                OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE ".*Version (.*)." "\\1" OS_KERNEL_VERSION
       ${OS_KERNEL_VERSION_STRING})
execute_process(COMMAND WMIC os GET OSArchitecture
                OUTPUT_VARIABLE OS_HARDWARE_NAME_STRING
                OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE ".*([0-9][0-9]-bit).*" "\\1" OS_HARDWARE_NAME
       ${OS_HARDWARE_NAME_STRING})
execute_process(COMMAND hostname
                OUTPUT_VARIABLE OS_HOST_NAME
                OUTPUT_STRIP_TRAILING_WHITESPACE)

else(HAVE_WINDOWS)

# We want to get the entire date in one command, to have a single time stamp.
set(DATE_STRING
    "+Day: %-d, Month: %-m, Year: %Y, Hour: %-H, Minutes: %-M, Seconds: %-S")
execute_process(COMMAND date ${DATE_STRING}
                OUTPUT_VARIABLE FULL_DATE
                OUTPUT_STRIP_TRAILING_WHITESPACE)

# We extract the various components and store them in separate variables
string(REGEX REPLACE ".*Day: ([0-9]*).*" "\\1" COMPILATION_TIME_DAY
       ${FULL_DATE})
string(REGEX REPLACE ".*Month: ([0-9]*).*" "\\1" COMPILATION_TIME_MONTH
       ${FULL_DATE})
string(REGEX REPLACE ".*Year: ([0-9]*).*" "\\1" COMPILATION_TIME_YEAR
       ${FULL_DATE})
string(REGEX REPLACE ".*Hour: ([0-9]*).*" "\\1" COMPILATION_TIME_HOUR
       ${FULL_DATE})
string(REGEX REPLACE ".*Minutes: ([0-9]*).*" "\\1" COMPILATION_TIME_MINUTES
       ${FULL_DATE})
string(REGEX REPLACE ".*Seconds: ([0-9]*).*" "\\1" COMPILATION_TIME_SECONDS
       ${FULL_DATE})

# Gather OS information
execute_process(COMMAND uname -o
                OUTPUT_VARIABLE OS_NAME
                OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND uname -s
                OUTPUT_VARIABLE OS_KERNEL_NAME
                OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND uname -r
                OUTPUT_VARIABLE OS_KERNEL_RELEASE
                OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND uname -v
                OUTPUT_VARIABLE OS_KERNEL_VERSION
                OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND uname -p
                OUTPUT_VARIABLE OS_HARDWARE_NAME
                OUTPUT_STRIP_TRAILING_WHITESPACE)
execute_process(COMMAND uname -n
                OUTPUT_VARIABLE OS_HOST_NAME
                OUTPUT_STRIP_TRAILING_WHITESPACE)

endif(HAVE_WINDOWS)

configure_file(${PROJECT_SOURCE_DIR}/src/CompilerInfo.cpp.in
               ${PROJECT_BINARY_DIR}/src/CompilerInfo.cpp @ONLY)