update ceph source to reef 18.1.2

[ceph.git] / ceph / src / jaegertracing / opentelemetry-cpp / tools / vcpkg / ports / pcre2 / pcre2-10.35_add_check_for_Intel_CET.patch

--- a/CMakeLists.txt	2020-05-09 16:43:10.000000000 +0200
+++ b/CMakeLists.txt	2020-07-09 19:33:12.725648600 +0200
@@ -146,6 +146,23 @@
 )
 set(CMAKE_REQUIRED_FLAGS ${ORIG_CMAKE_REQUIRED_FLAGS})
 
+# Check whether Intel CET is enabled, and if so, adjust compiler flags. This
+# code was written by PH, trying to imitate the logic from the autotools 
+# configuration.
+
+CHECK_C_SOURCE_COMPILES(
+  "#ifndef __CET__
+   #error CET is not enabled
+   #endif
+   int main() { return 0; }"
+  INTEL_CET_ENABLED
+)
+
+IF (INTEL_CET_ENABLED)
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mshstk")
+ENDIF(INTEL_CET_ENABLED)
+
+
 # User-configurable options
 #
 # Note: CMakeSetup displays these in alphabetical order, regardless of