Add support for release builds with debug info and using lib externally

build

@@ -1,14 +1,36 @@
 #!/bin/bash
 
-BUILD_TYPE="debug"
+# Colors
+RED="\033[0;31m"
+BOLD="\033[1m"
+NC="\033[0m" # No Color
+
+BUILD_TYPE="Debug"
+ACCEPTED_BUILD_TYPES=("RelWithDebInfo" "Debug" "Release")
 KERNEL="$(uname -s)"
 ARGS=""
 
+join_array_elements() {
+  local IFS=","
+  echo "$*"
+}
+
+print_usage() {
+  echo -e "Usage: build [-b build_type] ..."
+  echo -e "  Options:"
+  echo -e "    -b, --build-type    Choose from $(join_array_elements ${ACCEPTED_BUILD_TYPES[*]}) (Default: Debug)."
+  echo -e "    -h, --help          Print this message and exit"
+}
+
 while [[ $# > 0 ]];do
   case $1 in
-    --release)
-      BUILD_TYPE="release"
-      shift
+    -b|--build-type)
+      BUILD_TYPE="$2"
+      shift 2
+      ;;
+    -h|--help)
+      print_usage
+      exit 0
       ;;
     *|-*|--*)
       rest=("$@")
@@ -18,15 +40,24 @@ while [[ $# > 0 ]];do
   esac
 done
 
-if [[ $KERNEL == "Darwin" ]]; then
-	if [[ ! -d .venv ]]; then
-		python3 -m venv .venv
-	fi
-
-	source .venv/bin/activate
-	pip install scan-build
-	intercept-build make CC=intercept-cc CXX=intercept-c++ BUILD_TYPE=$BUILD_TYPE $ARGS
-	deactivate
-else
-	bear -- make BUILD_TYPE=$BUILD_TYPE $ARGS
+# Compare build type against array
+# From this: https://www.baeldung.com/linux/check-bash-array-contains-value#using-anifcondition-with-aregex-pattern
+build_regex="\<${BUILD_TYPE}\>"
+if [[ ! ${ACCEPTED_BUILD_TYPES[@]} =~ $build_regex ]]; then
+  echo -e "${RED}${BOLD}Unknown build type: ${BUILD_TYPE}${NC}\n"
+  print_usage
+  exit 1
+fi
+
+if [[ $KERNEL == "Darwin" ]]; then
+  if [[ ! -d .venv ]]; then
+    python3 -m venv .venv
+  fi
+
+  source .venv/bin/activate
+  pip install scan-build
+  intercept-build make CC=intercept-cc CXX=intercept-c++ BUILD_TYPE=$BUILD_TYPE $ARGS
+  deactivate
+else
+  bear -- make BUILD_TYPE=$BUILD_TYPE $ARGS
 fi