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CheckTypeSize: show in documentation how to get struct member size (#10579)

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Rolf Eike Beer 2012-08-13 18:58:30 +02:00
parent cd3bd23266
commit 48783b71fb
1 changed files with 5 additions and 0 deletions
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5
Modules/CheckTypeSize.cmake
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@ -24,6 +24,11 @@
# size check automatically includes the available headers, thus # size check automatically includes the available headers, thus
# supporting checks of types defined in the headers. # supporting checks of types defined in the headers.
# #
# Despite the name of the macro you may use it to check the size of
# more complex expressions, too. To check e.g. for the size of a struct
# member you can do something like this:
# check_type_size("((struct something*)0)->member" SIZEOF_MEMBER)
#
# The following variables may be set before calling this macro to # The following variables may be set before calling this macro to
# modify the way the check is run: # modify the way the check is run:
# #