defs-*.mk: Add USE_DISABLE_COMPILER_OPTIMISATION_OPTS

USE_DISABLE_COMPILER_OPTIMISATION_OPTS = true disables options targeted
at disabling optimization features, which were introduced to facilitate
debugging in the first place, but make the commandline harder to compare
to others while troubleshooting the compile process

Signed-off-by: Jan Lindemann <jan@janware.com>

make/defs-cpp.mk

@@ -422,7 +422,7 @@ endif
 ifeq ($(USE_COMPILER_OPTIMIZATION_OPTS),true)
   BUILD_CFLAGS              += -funroll-loops -O3
   BUILD_CPPFLAGS            += -funroll-loops -O3
-else
+else ifeq ($(USE_DISABLE_COMPILER_OPTIMISATION_OPTS),true)
   NO_OPT_FLAGS               = \
     -O0 -g -fno-inline -fno-omit-frame-pointer \
     -fno-optimize-sibling-calls \

make/defs-dev.mk

@@ -283,6 +283,7 @@ COMPILE_DEBUG_CODE          ?= true
 #COMPILE_DEBUG_LOG          ?= true
 USE_COMPILER_DEBUG_OPTS     ?= true
 #USE_COMPILER_OPTIMIZATION_OPTS?= true
+USE_DISABLE_COMPILER_OPTIMISATION_OPTS ?= true
 ifeq ($(TARGET),mingw)
 USE_STACK_PROTECTOR         ?= false
 else

make/defs-dist.mk

@@ -283,6 +283,7 @@ LOG_THREAD_NAMES            ?= true
 #COMPILE_DEBUG_LOG          ?= true
 USE_COMPILER_DEBUG_OPTS     ?= true
 USE_COMPILER_OPTIMIZATION_OPTS?= true
+USE_DISABLE_COMPILER_OPTIMISATION_OPTS ?= false
 USE_STACK_PROTECTOR         ?= true
 #USE_STACK_CHECKER          ?= true