standalone: Add flags to control demo output options

Fixes `undefined reference to 'pow'` for pow.py using -O0.

nac3standalone/demo/check_demo.sh

@@ -7,15 +7,17 @@ if [ -z "$1" ]; then
   exit 1
 fi
 
-demo="${@:-1}"
+declare -a nac3args
-set -- "${@:1:$(($# - 1))}"
+while [ $# -gt 1 ]; do
+  nac3args+=("$1")
+  shift
+done
+demo="$1"
 
 echo -n "Checking $demo... "
-./interpret_demo.py "$demo" > interpreted.log &
+./interpret_demo.py "$demo" > interpreted.log
-./run_demo.sh --redirect-exe-stdout --suppress-nac3-warnings "$@" "$demo" &
+./run_demo.sh --redirect-exe-stdout "${nac3args[@]}" "$demo"
-./run_demo_lli.sh --redirect-exe-stdout --suppress-nac3-warnings "$@" "$demo" &
+./run_demo_lli.sh --redirect-exe-stdout "${nac3args[@]}" "$demo"
-wait
-
 diff -Nau interpreted.log run.log
 diff -Nau interpreted.log run_lli.log
 echo "ok"

nac3standalone/demo/run_demo.sh

@@ -13,9 +13,6 @@ while [ $# -ge 1 ]; do
     --redirect-exe-stdout)
       redirect_exe_stdout=1
       ;;
-    --suppress-nac3-warnings)
-      suppress_nac3_warnings=1
-      ;;
     *)
       nac3args+=("$1")
       ;;
@@ -32,14 +29,10 @@ fi
 
 rm -f "*.o" demo
 
-if [ -z "$suppress_nac3_warnings" ]; then
+$nac3standalone "${nac3args[@]}"
-  $nac3standalone "${nac3args[@]}"
-else
-  $nac3standalone "${nac3args[@]}" >/dev/null
-fi
 
 clang -c -std=gnu11 -Wall -Wextra -O3 -o demo.o demo.c
-clang -o demo module.o demo.o
+clang -lm -o demo module.o demo.o
 
 if [ -z "$redirect_exe_stdout" ]; then
   ./demo

nac3standalone/demo/run_demo_lli.sh

@@ -13,9 +13,6 @@ while [ $# -ge 1 ]; do
     --redirect-exe-stdout)
       redirect_exe_stdout=1
       ;;
-    --suppress-nac3-warnings)
-      suppress_nac3_warnings=1
-      ;;
     *)
       nac3args+=("$1")
       ;;
@@ -32,11 +29,7 @@ fi
 
 rm -f "*.o" "*.bc" demo
 
-if [ -z "$suppress_nac3_warnings" ]; then
+$nac3standalone --emit-llvm "${nac3args[@]}"
-  $nac3standalone --emit-llvm "${nac3args[@]}"
-else
-  $nac3standalone --emit-llvm "${nac3args[@]}" >/dev/null
-fi
 
 clang -c -std=gnu11 -Wall -Wextra -O3 -emit-llvm -o demo.bc demo.c