1 files changed, 23 insertions, 0 deletions
diff --git a/.zsh/zshfunctions b/.zsh/zshfunctions
index 92f88f2..db01a95 100644
--- a/.zsh/zshfunctions
+++ b/.zsh/zshfunctions
@@ -153,6 +153,29 @@ menc()
     unset p
 }
 
+list_cc_flags()
+{
+    Usage() 
+    {
+        printf '%s\n' "Usage: ${0##*/} c|o [gcc-Flags e.g. -march=native -O2]
+        Show which compile|optimization flags are selected when you chose gcc-Flags"
+        return ${1:-1}
+    }
+
+    case "${1}" in
+        c)
+            shift
+            gcc -v -c -Q "${@}" -o /dev/null -x c - 2>&1 <<PROG
+int main(){return 0;}
+PROG
+            ;;
+        o)
+            shift
+            gcc -c -Q "${@}" -o /dev/null --help=optimizer 2>&1;;
+        *)  Usage;;
+    esac
+}
+
 if [[ $UID == 0 ]]; then
 
     # unpack a package