Try to fix a compiler error seen on Flag2 job of jenkins

[simgrid.git] / tools / cmake / Flags.cmake

diff --git a/tools/cmake/Flags.cmake b/tools/cmake/Flags.cmake
index 5ec5753..b6e6222 100644 (file)
--- a/tools/cmake/Flags.cmake
+++ b/tools/cmake/Flags.cmake
@@ -41,6 +41,10 @@ if(enable_compile_warnings)
       # workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81767
       set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-error=unused-variable")
     endif()
+    if (CMAKE_CXX_COMPILER_VERSION VERSION_EQUAL "13.2.0")
+      # workaround for https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101361
+      set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-error=stringop-overread")
+    endif()
   endif()
 
   if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
@@ -77,9 +81,10 @@ if(enable_compile_warnings AND enable_debug)
 endif()
 
 # Activate the warnings on #if FOOBAR when FOOBAR has no value
-# It used to break on FreeBSD within Boost headers and was only activated in maintainer mode, but I hope it works nowadays
-set(warnCFLAGS "${warnCFLAGS} -Wundef")
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wundef")
+if("${CMAKE_SYSTEM}" MATCHES "Linux") # Breaks on FreeBSD within Boost headers :(
+  set(warnCFLAGS "${warnCFLAGS} -Wundef")
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wundef")
+endif()
 
 # Set the optimisation flags
 # NOTE, we should CMAKE_BUILD_TYPE for this