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authorDavid Cole <david.cole@kitware.com>2012-08-20 19:38:33 (GMT)
committerCMake Topic Stage <kwrobot@kitware.com>2012-08-20 19:38:33 (GMT)
commit5cf828c028daa6f6f22ba2ce4a480a7714eda4cf (patch)
tree2cc63ab2c1c7febbcd27fc744af96484afd90742 /Modules
parent686eb4e8150cbfc30f981c13b255be9ad2a24050 (diff)
parentc6fed68ef87303aa9db32cdd7d830fe42659d769 (diff)
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Merge topic 'CheckTypeSize-doc-10579'
c6fed68 CheckTypeSize: add a test for size of struct members 48783b7 CheckTypeSize: show in documentation how to get struct member size (#10579)
Diffstat (limited to 'Modules')
-rw-r--r--Modules/CheckTypeSize.cmake5
1 files changed, 5 insertions, 0 deletions
diff --git a/Modules/CheckTypeSize.cmake b/Modules/CheckTypeSize.cmake
index 1b9dc9f..7285b8a 100644
--- a/Modules/CheckTypeSize.cmake
+++ b/Modules/CheckTypeSize.cmake
@@ -24,6 +24,11 @@
# size check automatically includes the available headers, thus
# 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
# modify the way the check is run:
#