Tweak firmware Makefile, scripting (#4796)

* firmware: Makefile uses spaces ...

* firmware: use CC and CPPC for LD

* firmware: clean_compile_two_versions.sh passes arguments to make

firmware/Makefile

@@ -323,10 +323,10 @@ CPPC = $(CCPREFIX) $(TRGT)g++
 # Enable loading with g++ only if you need C++ runtime support.
 # NOTE: You can use C++ even without C++ support if you are careful. C++
 #       runtime support makes code size explode.
-LD   = $(TRGT)gcc
-#LD   = $(TRGT)g++
+LD   = $(CC)
+#LD   = $(CPPC)
 CP   = $(TRGT)objcopy
-AS   = $(TRGT)gcc -x assembler-with-cpp
+AS   = $(CC) -x assembler-with-cpp
 AR   = $(TRGT)ar
 OD   = $(TRGT)objdump
 SZ   = $(TRGT)size

firmware/clean_compile_two_versions.sh

@@ -1,4 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+set -e
 
 echo "Compiler gcc version"
 arm-none-eabi-gcc -v
@@ -10,7 +12,7 @@ mkdir deliver
 #echo "TIMESTAMP $(date "+%D %T.%2N")"
 
 #EXTRA_PARAMS="-DDUMMY -DFIRMWARE_ID=\\\"default_no_assert\\\" -DEFI_ENABLE_ASSERTS=FALSE -DCH_DBG_ENABLE_ASSERTS=FALSE -DCH_DBG_ENABLE_STACK_CHECK=FALSE -DCH_DBG_FILL_THREADS=FALSE -DCH_DBG_THREADS_PROFILING=FALSE"
-#make -j$(nproc) DEBUG_LEVEL_OPT='-O2'
+#make -j$(nproc) DEBUG_LEVEL_OPT='-O2' $@
 #EXTRA_PARAMS=""
 
 # mv build/rusefi.elf deliver/rusefi_no_asserts.elf
@@ -25,7 +27,7 @@ mkdir deliver
 bash clean.sh
 echo "TIMESTAMP $(date "+%D %T.%2N")"
 EXTRA_PARAMS="-DDUMMY -DFIRMWARE_ID=\\\"default\\\""
-make -j$(nproc)
+make -j$(nproc) $@
 EXTRA_PARAMS=""
 
 mv build/rusefi.elf deliver/rusefi.elf