45 lines
1.7 KiB
CMake
45 lines
1.7 KiB
CMake
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# Version checking for PROJ
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set (PACKAGE_VERSION "9.5.1")
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set (PACKAGE_VERSION_MAJOR "9")
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set (PACKAGE_VERSION_MINOR "5")
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set (PACKAGE_VERSION_PATCH "1")
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# These variable definitions parallel those in PROJ's
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# cmake/CMakeLists.txt.
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if (MSVC)
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# For checking the compatibility of MSVC_TOOLSET_VERSION; see
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# https://docs.microsoft.com/en-us/cpp/porting/overview-of-potential-upgrade-issues-visual-cpp
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# Assume major version number is obtained by dropping the last decimal
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# digit.
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math (EXPR MSVC_TOOLSET_MAJOR "${MSVC_TOOLSET_VERSION}/10")
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endif ()
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if (NOT PACKAGE_FIND_NAME STREQUAL "PROJ")
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# Check package name (in particular, because of the way cmake finds
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# package config files, the capitalization could easily be "wrong").
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# This is necessary to ensure that the automatically generated
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# variables, e.g., <package>_FOUND, are consistently spelled.
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set (REASON "package = PROJ, NOT ${PACKAGE_FIND_NAME}")
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set (PACKAGE_VERSION_UNSUITABLE TRUE)
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elseif (NOT (APPLE OR (NOT DEFINED CMAKE_SIZEOF_VOID_P) OR
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CMAKE_SIZEOF_VOID_P EQUAL "8"))
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# Reject if there's a 32-bit/64-bit mismatch (not necessary with Apple
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# since a multi-architecture library is built for that platform).
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set (REASON "sizeof(*void) = 8")
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set (PACKAGE_VERSION_UNSUITABLE TRUE)
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elseif (PACKAGE_FIND_VERSION)
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if (PACKAGE_FIND_VERSION VERSION_EQUAL PACKAGE_VERSION)
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set (PACKAGE_VERSION_EXACT TRUE)
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elseif (PACKAGE_FIND_VERSION VERSION_LESS PACKAGE_VERSION
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AND PACKAGE_FIND_VERSION_MAJOR EQUAL PACKAGE_VERSION_MAJOR)
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set (PACKAGE_VERSION_COMPATIBLE TRUE)
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endif ()
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endif ()
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# If unsuitable, append the reason to the package version so that it's
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# visible to the user.
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if (PACKAGE_VERSION_UNSUITABLE)
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set (PACKAGE_VERSION "${PACKAGE_VERSION} (${REASON})")
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endif ()
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