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-rw-r--r--Modules/CheckCXXSymbolExists.cmake11
1 files changed, 11 insertions, 0 deletions
diff --git a/Modules/CheckCXXSymbolExists.cmake b/Modules/CheckCXXSymbolExists.cmake
index 3364e2f..b112094 100644
--- a/Modules/CheckCXXSymbolExists.cmake
+++ b/Modules/CheckCXXSymbolExists.cmake
@@ -44,6 +44,17 @@ the way the check is run:
command. See policy :policy:`CMP0075`.
``CMAKE_REQUIRED_QUIET``
execute quietly without messages.
+
+For example:
+
+.. code-block:: cmake
+
+ include(CheckCXXSymbolExists)
+
+ # Check for macro SEEK_SET
+ check_cxx_symbol_exists(SEEK_SET "cstdio" HAVE_SEEK_SET)
+ # Check for function std::fopen
+ check_cxx_symbol_exists(std::fopen "cstdio" HAVE_STD_FOPEN)
#]=======================================================================]
include_guard(GLOBAL)