selfcheck.sh: also run with system includes made available [skip ci]

Author: firewave

selfcheck.sh

@@ -8,4 +8,13 @@ if [ $ec -ne 0 ]; then
   if [ ! -z "$errors" ]; then
     exit $ec
   fi
+fi
+
+gcc_ver=$(gcc -dumpversion)
+./simplecpp simplecpp.cpp -e -f -D__GNUC__ -D__STDC__ -D__STDC_HOSTED__ -D__CHAR_BIT__=8 -I"/usr/include" -I"/usr/include/linux" -I"/usr/include/c++/$gcc_ver" -I"/usr/include/c++/$gcc_ver/x86_64-pc-linux-gnu" -I"/usr/lib64/gcc/x86_64-pc-linux-gnu/$gcc_ver/include"
+
+if [ -d "/usr/include/c++/v1" ]; then
+  #clang_ver=$(clang -dumpversion)
+  #clang_ver=${clang_ver%%.*}
+  ./simplecpp simplecpp.cpp -e -f -D__BYTE_ORDER__ -I"/usr/include/c++/v1"
 fi