Check for sysconf(3).
llvm-svn: 282772
diff --git a/llvm/cmake/config-ix.cmake b/llvm/cmake/config-ix.cmake
index 90e8307..5c34fd0 100755
--- a/llvm/cmake/config-ix.cmake
+++ b/llvm/cmake/config-ix.cmake
@@ -148,6 +148,7 @@
check_symbol_exists(backtrace "execinfo.h" HAVE_BACKTRACE)
check_symbol_exists(_Unwind_Backtrace "unwind.h" HAVE__UNWIND_BACKTRACE)
check_symbol_exists(getpagesize unistd.h HAVE_GETPAGESIZE)
+check_symbol_exists(sysconf unistd.h HAVE_SYSCONF)
check_symbol_exists(getrusage sys/resource.h HAVE_GETRUSAGE)
check_symbol_exists(setrlimit sys/resource.h HAVE_SETRLIMIT)
check_symbol_exists(isatty unistd.h HAVE_ISATTY)