fix #108: macOS Big Sur: dtrace does not understand -G switch

[m6w6/libmemcached] / CMake / EnableDtrace.cmake

diff --git a/CMake/EnableDtrace.cmake b/CMake/EnableDtrace.cmake
index d9b902babc89297538fea491bbee76fbf42009ab..ea7499d7e52b3171e0b811a3cf5f8f16c4fbe33d 100644 (file)
--- a/CMake/EnableDtrace.cmake
+++ b/CMake/EnableDtrace.cmake
@@ -30,7 +30,10 @@ function(enable_dtrace_for TARGET PROBES_D PROBES_H)
             set_source_files_properties(${TARGET}_probes.o PROPERTIES
                     GENERATED true
                     EXTERNAL_OBJECT true)
-        else() # not Linux
+            return()
+        endif()
+        cmake_host_system_information(RESULT OS_RELEASE QUERY OS_RELEASE)
+        if(NOT (CMAKE_HOST_SYSTEM_NAME STREQUAL Darwin AND OS_RELEASE VERSION_GREATER_EQUAL 11))
             set(PROBES_C ${TARGET}_probes.cc)
             file(GENERATE
                     OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/${PROBES_C}