Makefile: rename GCC -> CC (its standart name for C compiler)

Makefile

@@ -37,7 +37,7 @@ CFLAGS           += -I$(GENERATED_DIR)
 CFLAGS           += -I$(GSOAP_DIR) -I$(GSOAP_PLUGIN_DIR) -I$(GSOAP_IMPORT_DIR)
 CFLAGS           += -O2  -Wall  -pipe
 
-GCC              ?= gcc
+CC               ?= gcc
 
 
 
@@ -159,7 +159,7 @@ distclean: clean
 	@echo "Generating dependencies..."
 	@for src in $(SOURCES) ; do \
         echo "  [depend]  $$src" ; \
-        $(GCC) $(CFLAGS) -MT ".depend $${src%.*}.o $${src%.*}_$(DEBUG_SUFFIX).o" -MM $$src >> .depend ; \
+        $(CC) $(CFLAGS) -MT ".depend $${src%.*}.o $${src%.*}_$(DEBUG_SUFFIX).o" -MM $$src >> .depend ; \
     done
 
 
@@ -198,14 +198,14 @@ BUILD_ECHO = echo "\n  [build]  $@:"
 
 define build_object
     @$(BUILD_ECHO)
-    $(GCC) -c $< -o $@  $(CFLAGS)
+    $(CC) -c $< -o $@  $(CFLAGS)
 endef
 
 
 
 define build_bin
     @$(BUILD_ECHO)
-    $(GCC)  $1 -o $@  $(CFLAGS)
+    $(CC)  $1 -o $@  $(CFLAGS)
     @echo "\n---- Compiled $@ ver $(DAEMON_MAJOR_VERSION).$(DAEMON_MINOR_VERSION).$(DAEMON_PATCH_VERSION) ----\n"
 endef
 

README.md

@@ -14,7 +14,7 @@ For more details about it see the [gSOAP WS-Discovery plugin official manual.](h
 
 ## Build
 
-To start build you have to choose your compiler (or toolchain) in the [Makefile](./Makefile) (see variable `$GCC`).
+To start build you have to choose your compiler (or toolchain) in the [Makefile](./Makefile) (see variable `$CC`).
 
 For build daemon in release and debug mode:
 ```console