diff options
| author | Damien George <damien.p.george@gmail.com> | 2019-09-12 22:14:51 +1000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2019-09-17 11:43:52 +1000 |
| commit | b45f9de8096f37a5f588f833e6b6a00b59e67e3f (patch) | |
| tree | 153d510e910fb75af0a15cb70f938d16288fbb9c | |
| parent | ac112f88d0496d33a9195ace02ed3928fcb015d3 (diff) | |
bare-arm, minimal: Set CSUPEROPT=-Os to get minimal firmware size.
This option affects py/vm.c and py/gc.c and using -Os gets them compiling a
bit smaller, and small firmware is the aim of these two ports. Also,
having these files compiled with -Os on these ports, and -O3 as the default
on other ports, gives a better understanding of code-size changes when
making changes to these files.
| -rw-r--r-- | ports/bare-arm/Makefile | 1 | ||||
| -rw-r--r-- | ports/minimal/Makefile | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/ports/bare-arm/Makefile b/ports/bare-arm/Makefile index a515db80e..7cb343281 100644 --- a/ports/bare-arm/Makefile +++ b/ports/bare-arm/Makefile @@ -14,6 +14,7 @@ INC += -I$(BUILD) CFLAGS_CORTEX_M4 = -mthumb -mtune=cortex-m4 -mabi=aapcs-linux -mcpu=cortex-m4 -mfpu=fpv4-sp-d16 -mfloat-abi=hard -fsingle-precision-constant -Wdouble-promotion CFLAGS = $(INC) -Wall -Werror -std=c99 -nostdlib $(CFLAGS_CORTEX_M4) $(COPT) +CSUPEROPT = -Os # save some code space #Debugging/Optimization ifeq ($(DEBUG), 1) diff --git a/ports/minimal/Makefile b/ports/minimal/Makefile index b3e27509f..f26a7ec97 100644 --- a/ports/minimal/Makefile +++ b/ports/minimal/Makefile @@ -28,6 +28,8 @@ CFLAGS = -m32 $(INC) -Wall -Werror -std=c99 $(COPT) LDFLAGS = -m32 -Wl,-Map=$@.map,--cref -Wl,--gc-sections endif +CSUPEROPT = -Os # save some code space + # Tune for Debugging or Optimization ifeq ($(DEBUG), 1) CFLAGS += -O0 -ggdb |