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[build] Add build check for ::arc4random().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@156236 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2012-05-05 16:36:16 +00:00
parent 0017180e70
commit e0b0e7b295
5 changed files with 10 additions and 2 deletions
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cmake/config-ix.cmake
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@@ -91,6 +91,7 @@ if( NOT PURE_WINDOWS )
endif()
# function checks
check_symbol_exists(arc4random "stdlib.h" HAVE_ARC4RANDOM)
check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)