component-model-cpp/cmcppConfigVersion.cmake.in at main · GordonSmith/component-model-cpp · GitHub

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set(PACKAGE_VERSION "@PROJECT_VERSION@")

# Check whether the requested PACKAGE_FIND_VERSION is compatible
if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
    set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
    set(PACKAGE_VERSION_COMPATIBLE TRUE)
    if("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
        set(PACKAGE_VERSION_EXACT TRUE)
    endif()
endif()

# Check for version compatibility based on semantic versioning
# Major version must match for compatibility
if(PACKAGE_FIND_VERSION_MAJOR STREQUAL "0")
    # For 0.x.y versions, minor version must also match (pre-1.0 API instability)
    if(NOT "${PACKAGE_FIND_VERSION_MAJOR}.${PACKAGE_FIND_VERSION_MINOR}" VERSION_EQUAL
       "@PROJECT_VERSION_MAJOR@.@PROJECT_VERSION_MINOR@")
        set(PACKAGE_VERSION_COMPATIBLE FALSE)
    endif()
else()
    # For 1.x.y and above, only major version must match
    if(NOT PACKAGE_FIND_VERSION_MAJOR STREQUAL "@PROJECT_VERSION_MAJOR@")
        set(PACKAGE_VERSION_COMPATIBLE FALSE)
    endif()
endif()