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function(ParseVersion VERSION_CONTENTS PREFIX)
# E.g., "MONGOCXX_VERSION".
string(REPLACE ";" "" VERSION_NAME ${PREFIX} _VERSION)
string(REPLACE ";" "" DIST_VERSION_NAME ${PREFIX} _DIST_VERSION)
# A list of version components separated by dots and dashes: "1.3.0-[prerelease-marker]"
string(REGEX MATCHALL "[^.-]+" VERSION ${VERSION_CONTENTS})
list(GET VERSION 0 VERSION_MAJOR)
string(REPLACE ";" "" VERSION_MAJOR_NAME ${PREFIX} _VERSION_MAJOR)
set(${VERSION_MAJOR_NAME} ${VERSION_MAJOR} PARENT_SCOPE)
list(GET VERSION 1 VERSION_MINOR)
string(REPLACE ";" "" VERSION_MINOR_NAME ${PREFIX} _VERSION_MINOR)
set(${VERSION_MINOR_NAME} ${VERSION_MINOR} PARENT_SCOPE)
list(GET VERSION 2 VERSION_PATCH)
string(REPLACE ";" "" VERSION_PATCH_NAME ${PREFIX} _VERSION_PATCH)
set(${VERSION_PATCH_NAME} ${VERSION_PATCH} PARENT_SCOPE)
string(REPLACE ";" "" VERSION_EXTRA_NAME ${PREFIX} _VERSION_EXTRA)
string(REPLACE ";" "" VERSION_DIST_EXTRA_NAME ${PREFIX} _VERSION_DIST_EXTRA)
list(LENGTH VERSION VERSION_LENGTH)
if(VERSION_LENGTH GREATER 3)
list(GET VERSION 3 VERSION_EXTRA)
set(${VERSION_DIST_EXTRA_NAME} "-${VERSION_EXTRA}" PARENT_SCOPE)
set(${VERSION_EXTRA_NAME} "-pre" PARENT_SCOPE)
set(${VERSION_NAME}
"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}-pre"
PARENT_SCOPE)
set(${DIST_VERSION_NAME}
"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}${VERSION_EXTRA}"
PARENT_SCOPE)
else()
set(${VERSION_DIST_EXTRA_NAME} "" PARENT_SCOPE)
set(${VERSION_EXTRA_NAME} "" PARENT_SCOPE)
set(${VERSION_NAME}
"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}"
PARENT_SCOPE)
set(${DIST_VERSION_NAME}
"${VERSION_MAJOR}.${VERSION_MINOR}.${VERSION_PATCH}"
PARENT_SCOPE)
endif()
endfunction(ParseVersion)
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