diff options
Diffstat (limited to 'Tests/RunCMake/project/VersionMax.cmake')
-rw-r--r-- | Tests/RunCMake/project/VersionMax.cmake | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Tests/RunCMake/project/VersionMax.cmake b/Tests/RunCMake/project/VersionMax.cmake new file mode 100644 index 000000000..e95536438 --- /dev/null +++ b/Tests/RunCMake/project/VersionMax.cmake @@ -0,0 +1,32 @@ +cmake_policy(SET CMP0048 NEW) +cmake_policy(SET CMP0096 OLD) + +enable_language(C) +include(CheckTypeSize) +check_type_size(unsigned __sizeOfUnsigned BUILTIN_TYPES_ONLY LANGUAGE C) + +# We can't use math() to compute this because it only supports up to +# 64-bit signed integers, so hard-code the types we expect to encounter +if(__sizeOfUnsigned EQUAL 0) + message(STATUS "Multi-architecture build, skipping project version check") + return() +elseif(__sizeOfUnsigned EQUAL 4) + set(maxVal 4294967295) +elseif(__sizeOfUnsigned EQUAL 8) + set(maxVal 18446744073709551615) +else() + message(FATAL_ERROR + "Test needs to be updated for unsigned integer size ${__sizeOfUnsigned}") +endif() + +# The real value of this test is when an address sanitizer is enabled. +# It catches situations where the size of the buffer used to compute or +# hold the version components as strings is too small. +project(ProjectA VERSION ${maxVal}.${maxVal}.${maxVal}.${maxVal} LANGUAGES NONE) + +if(NOT ${PROJECT_VERSION_MAJOR} EQUAL ${maxVal}) + message(FATAL_ERROR "Project version number parsing failed round trip.\n" + "Expected: ${maxVal}\n" + "Computed: ${PROJECT_VERSION_MAJOR}" + ) +endif() |