don't optimize bamg: it fails with modern clang

CMakeLists.txt

@@ -1378,11 +1378,12 @@ endif(NOWARN)
 check_cxx_compiler_flag("-O0" NOOPT)
 if(NOOPT OR ENABLE_BUILD_IOS)
   if(ENABLE_BUILD_IOS) # optimized iOS 10 64 bits screws somewhere in Geo
-    file(GLOB_RECURSE NOOPT_SRC Geo/G*.cpp Mesh/BDS.cpp Parser/Gmsh.tab.cpp
-         contrib/Tetgen1.5/predicates.cxx contrib/blossom/*)
+    file(GLOB_RECURSE NOOPT_SRC Numeric/robustPredicates.cpp Geo/G*.cpp Mesh/BDS.cpp
+         Parser/Gmsh.tab.cpp contrib/Tetgen1.5/predicates.cxx contrib/blossom/*)
   else(ENABLE_BUILD_IOS)
-    file(GLOB_RECURSE NOOPT_SRC Mesh/BDS.cpp Parser/Gmsh.tab.cpp
-         contrib/Tetgen1.5/predicates.cxx contrib/blossom/*)
+    file(GLOB_RECURSE NOOPT_SRC Numeric/robustPredicates.cpp Mesh/BDS.cpp
+         Parser/Gmsh.tab.cpp contrib/Tetgen1.5/predicates.cxx contrib/blossom/*
+         contrib/bamg/*)
   endif(ENABLE_BUILD_IOS)
   set_compile_flags(NOOPT_SRC "-O0")
 endif(NOOPT OR ENABLE_BUILD_IOS)