Updated build scripts

Author: sadko4u

CHANGELOG

@@ -3,6 +3,7 @@
 *******************************************************************************
 
 === 1.0.2 ===
+* Updated build scripts.
 
 === 1.0.1 ===
 * Updated build scripts.

make/tools.mk

@@ -110,7 +110,7 @@ else
 endif
 
 # Define flags for (cross) build
-CFLAGS             := \
+CFLAGS             ?= \
   $(CFLAGS_EXT) \
   -fdata-sections \
   -ffunction-sections \
@@ -120,7 +120,7 @@ CFLAGS             := \
 
 CDEFS              += -DLSP_INSTALL_PREFIX=\\\"$(PREFIX)\\\"
 
-CXXFLAGS           := \
+CXXFLAGS           ?= \
   $(CXXFLAGS_EXT) \
   -std=c++98 \
   -fno-exceptions \