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

scripts/header_install.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+
+SCRIPT_DIR="$(dirname $0)"
+LIB_SRC="$1"
+INSTALL_PREFIX="$2"
+shift 2
+INCLUDES="$@"
+
+mkdir -p "$INSTALL_PREFIX"
+
+BASE_INCLUDE_DIR="$(dirname "$LIB_SRC")"
+find $BASE_INCLUDE_DIR -maxdepth 1 -type f -name "*.h" -exec cp -v {} "$INSTALL_PREFIX" \;
+
+cd "$SCRIPT_DIR/../src"
+for INCLUDE in $INCLUDES; do
+  for f in $(find "$INCLUDE" -type f -name "*.h"); do
+    DST="$INSTALL_PREFIX/$(dirname $f)"
+    mkdir -p "$DST"
+    cp -v "$f" "$DST"
+  done
+done