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STYLE: document the behaviour of UTILITY_SOURCE in cross compiling mode

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Alex
This commit is contained in:
Alexander Neundorf 2007-08-14 11:58:21 -04:00
parent fa61182de8
commit a33e059e41
1 changed files with 7 additions and 1 deletions
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8
Source/cmUtilitySourceCommand.h
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@ -70,7 +70,13 @@ public:
"this command specifies its location and name. The cache entry will "
"not be set unless the path_to_source and all listed files exist. It "
"is assumed that the source tree of the utility will have been built "
"before it is needed.";
"before it is needed.\n"
"When cross compiling CMake will print a warning if a UTILITY_SOURCE() "
"command is executed, because in many cases it is used to build an "
"executable which is executed later on. This doesn't work when "
"cross compiling, since the executable can run only on their target "
"platform. So in this case the cache entry has to be adjusted manually "
"so it points to an executable which is runnable on the build host.";
}
/** This command is kept for compatibility with older CMake versions. */