diff --git a/CMakeLists.txt b/CMakeLists.txt
index 95ee0c6..78df609 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -251,6 +251,20 @@ else()
 endif(WIN32 OR CYGWIN)
 
 # requirements
+
+include(CheckSymbolExists)
+# Some platforms provide their own strlcpy & strlcat. (BSD, MacOSX)
+# Others don't so we provide our own. (Most, but not all Linux)
+# Define the preprocessor macro so libgps does not supply its own version.
+check_symbol_exists(strlcpy string.h HAVE_STRLCPY)
+if(HAVE_STRLCPY)
+    add_compile_options(-DHAVE_STRLCPY)
+endif()
+check_symbol_exists(strlcat string.h HAVE_STRLCAT)
+if(HAVE_STRLCAT)
+    add_compile_options(-DHAVE_STRLCAT)
+endif()
+
 set(THREADS_PREFER_PTHREAD_FLAG ON)
 find_package(Threads REQUIRED)
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 44c6c17..16121b8 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -1,15 +1,3 @@
-include(CheckSymbolExists)
-# Some platforms provide their own strlcpy & strlcat. (BSD, MacOSX)
-# Others don't so we provide our own. (Most, but not all Linux)
-# Define the preprocessor macro so libgps does not supply its own version.
-check_symbol_exists(strlcpy string.h HAVE_STRLCPY)
-if(HAVE_STRLCPY)
-    add_compile_options(-DHAVE_STRLCPY)
-endif()
-check_symbol_exists(strlcat string.h HAVE_STRLCAT)
-if(HAVE_STRLCAT)
-    add_compile_options(-DHAVE_STRLCAT)
-endif()
 
 # global includes
 # not ideal but not so slow