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add file generate_version_file.cmake

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Matthias Hochsteger 2020-05-18 17:54:09 +02:00
parent 267e8b33fb
commit 34a6777f49
1 changed files with 49 additions and 0 deletions
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49
cmake/generate_version_file.cmake Normal file
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if(NOT BDIR)
set(BDIR ${CMAKE_CURRENT_BINARY_DIR})
endif()
find_package(Git REQUIRED)
if(GIT_FOUND AND EXISTS ${CMAKE_CURRENT_LIST_DIR}/../.git)
execute_process(COMMAND git describe --tags --match "v[0-9]*" --long --dirty WORKING_DIRECTORY ${CMAKE_CURRENT_LIST_DIR} OUTPUT_VARIABLE git_version_string)
else()
# for source package files (generated for ubuntu builds on launchpad) read the version from version.txt
if(EXISTS ${CMAKE_CURRENT_LIST_DIR}/../version.txt)
file(READ ${CMAKE_CURRENT_LIST_DIR}/../version.txt git_version_string )
else()
get_filename_component(git_version_string ${CMAKE_CURRENT_LIST_DIR}/.. NAME)
string(REGEX REPLACE "^netgen(.*)" "\\1" git_version_string "${git_version_string}")
endif()
endif()
string(REGEX REPLACE "^v([0-9]+)\\..*" "\\1" NETGEN_VERSION_MAJOR "${git_version_string}")
string(REGEX REPLACE "^v[0-9]+\\.([0-9]+).*" "\\1" NETGEN_VERSION_MINOR "${git_version_string}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.([0-9]+).*" "\\1" NETGEN_VERSION_PATCH "${git_version_string}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-([0-9]+).*" "\\1" NETGEN_VERSION_TWEAK "${git_version_string}")
string(REGEX REPLACE "^v[0-9]+\\.[0-9]+\\.[0-9]+\\-[0-9]+\\-([0-9a-z]+).*" "\\1" NETGEN_VERSION_HASH "${git_version_string}")
set(NETGEN_VERSION_SHORT ${NETGEN_VERSION_MAJOR}.${NETGEN_VERSION_MINOR}.${NETGEN_VERSION_PATCH})
set(NETGEN_VERSION_LONG ${NETGEN_VERSION_SHORT}-${NETGEN_VERSION_TWEAK}-${NETGEN_VERSION_HASH})
if(NETGEN_VERSION_TWEAK)
# no release version - nightly build
set(NETGEN_VERSION ${NETGEN_VERSION_LONG})
else()
# TWEAK is 0 -> current version has a tag assigned
set(NETGEN_VERSION ${NETGEN_VERSION_SHORT})
endif()
set(NETGEN_VERSION_LONG ${NETGEN_VERSION_SHORT}-${NETGEN_VERSION_TWEAK}-${NETGEN_VERSION_HASH})
set(version_file ${BDIR}/netgen_version.hpp)
set(new_version_file_string "#define NETGEN_VERSION \"${NETGEN_VERSION}\"\n")
if(EXISTS ${version_file})
file(READ ${version_file} old_version_file_string )
if(${old_version_file_string} STREQUAL ${new_version_file_string})
else()
file(WRITE ${BDIR}/netgen_version.hpp ${new_version_file_string})
endif()
else()
file(WRITE ${BDIR}/netgen_version.hpp ${new_version_file_string})
endif()