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-rw-r--r--configure.cmake1
1 files changed, 0 insertions, 1 deletions
diff --git a/configure.cmake b/configure.cmake
index 80d571313e2..920af1de3dd 100644
--- a/configure.cmake
+++ b/configure.cmake
@@ -478,7 +478,6 @@ CHECK_SYMBOL_EXISTS(FIONREAD "sys/filio.h" FIONREAD_IN_SYS_FILIO)
CHECK_SYMBOL_EXISTS(gettimeofday "sys/time.h" HAVE_GETTIMEOFDAY)
CHECK_SYMBOL_EXISTS(log2 math.h HAVE_LOG2)
-CHECK_SYMBOL_EXISTS(isnan math.h HAVE_ISNAN)
CHECK_SYMBOL_EXISTS(rint math.h HAVE_RINT)
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