ignore new deprecation warning on freebsd

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

diff --git a/tools/cmake/Flags.cmake b/tools/cmake/Flags.cmake
index de55de0..304cd06 100644 (file)
--- a/tools/cmake/Flags.cmake
+++ b/tools/cmake/Flags.cmake
@@ -43,7 +43,8 @@ if(enable_compile_warnings)
   if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
     # don't care about class that become struct, avoid issue of empty C structs
     # size (coming from libunwind.h)
-    set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-mismatched-tags -Wno-extern-c-compat")
+    # also ignore deprecated builtins (seen with clang 15 + boost 1.79)
+    set(warnCXXFLAGS "${warnCXXFLAGS} -Wno-mismatched-tags -Wno-extern-c-compat -Wno-deprecated-builtins")
   endif()
 
   # the one specific to C but refused by C++
@@ -84,6 +85,12 @@ if(enable_compile_optimizations)
 else()
   set(optCFLAGS "-O0 ")
 endif()
+
+#ARM platforms have signed char by default, switch to unsigned for consistancy
+if(${CMAKE_SYSTEM_PROCESSOR} MATCHES "aarch64")
+  set(optCFLAGS "${optCFLAGS} -fsigned-char")
+endif()
+
 if(enable_compile_optimizations AND CMAKE_COMPILER_IS_GNUCC
     AND (NOT enable_model-checking))
   # This is redundant (already in -03):