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Better version extraction #90

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9 changes: 6 additions & 3 deletions cmake/generate_version_file.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -10,16 +10,19 @@ if(status AND NOT status EQUAL 0)
# 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 ${CMAKE_CURRENT_LIST_DIR}/../version.txt git_version_string )
string(STRIP "${git_version_string}" 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()
else()
MESSAGE(WARNING "Could not determine git-version from source code - assuming 6.2.0.0")
set(git_version_string "v6.2.0.0")
endif()
endif()

if (NOT git_version_string)
message(WARNING "Could not determine git-version from source code - assuming 6.2.0.0")
set(git_version_string "v6.2.0.0")
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}")
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