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-rw-r--r--CMakeLists.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index d3aa6270..c21ab567 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,7 +127,7 @@ tuklib_integer(ALL)
# Check for clock_gettime(). Do this before checking for threading so
# that we know there if CLOCK_MONOTONIC is available.
-if(NOT WIN32 AND NOT DEFINED CACHE{HAVE_CLOCK_GETTIME})
+if(NOT WIN32 AND NOT DEFINED HAVE_CLOCK_GETTIME)
check_symbol_exists(clock_gettime time.h HAVE_CLOCK_GETTIME)
if(NOT HAVE_CLOCK_GETTIME)
# With glibc <= 2.17 or Solaris 10 this needs librt.