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63c475cd4d
RIOT/cpu
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Juan Carrano 63c475cd4d toolchain/cflags: enable dwarf compression. 
Use the -gz option to compress ELF sections containing DWARF information.
This saves around 50% of disk space, without any side effects.

See https://gcc.gnu.org/onlinedocs/gcc-9.2.0/gcc/Debugging-Options.html#Debugging-Options
for more infomation on this option.

Some platforms have an outdated toolchain that does not support -gz so
the flag is blacklisted there. Even then, the results are quite impressive.

I used @cladmi's `buildtest` branch (https://github.com/cladmi/RIOT/tree/wip/du/buildtest)
with this change and compiled the `examples/default` application:

```
$ BUILD_IN_DOCKER=1 DOCKER="sudo docker" make -C examples/default buildtest-indocker
```

The size was obtained with:

```
$ find output -name "*.bin.bindirsize" -type f -exec tail  -n1 '{}' \; | cut -f 1 | awk '{s+=$1} END {printf "%.0f", s}'
```

Results:

- Vanilla: 10328112 KB (~10GB).
- with -gz: 4982788 KB (~5GB).

This was inspired by #8496.
2019-09-02 14:43:26 +02:00
..
arm7_common Merge pull request #11911 from maribu/arm7_common-irq 2019-08-30 19:17:09 +02:00
atmega32u4 Merge pull request #12098 from cladmi/pr/export/remove_local_export_compilation_variables 2019-08-29 14:32:22 +02:00
atmega256rfr2 cpu/atmega256rfr2: pin change interrupts 2019-08-01 09:35:35 +02:00
atmega328p cpu/atmega2560: pin change interrupts 2019-08-01 09:35:35 +02:00
atmega1281 cpu/atmega1281: pin change interrupts 2019-08-01 09:23:43 +02:00
atmega1284p cpu/atmega1284p: pin change interrupts 2019-08-01 09:35:35 +02:00
atmega2560 cpu/atmega2560: pin change interrupts 2019-08-01 09:35:35 +02:00
atmega_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
cc26x0 Merge pull request #11612 from ben-postman/pr_cc26x0_uart_mode 2019-06-06 15:43:07 +02:00
cc430 periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
cc2538 periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
cortexm_common cpu/cortexm_common: replace irq_restore by __set_PRIMASK for stm32l152re 2019-08-05 10:40:28 +02:00
efm32 cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
esp32 toolchain/cflags: enable dwarf compression. 2019-09-02 14:43:26 +02:00
esp8266 toolchain/cflags: enable dwarf compression. 2019-09-02 14:43:26 +02:00
esp_common cpu/esp*: changes to use esp_wifi and esp_now 2019-07-31 13:53:48 +02:00
ezr32wg ezr32wg: mark closing #endif for MODULE_PERIPH_GPIO_IRQ 2018-10-09 15:11:00 +02:00
fe310 cpu/fe310: Add support for FE310_G002 2019-07-19 13:25:17 -07:00
kinetis cpu/kinetis: re-enable HWRNG for k64f 2019-08-09 15:47:13 +02:00
lm4f120 periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
lpc1768 cpu/lpc1768: fix uninitialized variable 2019-05-22 13:42:07 +02:00
lpc2387 periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
mips32r2_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
mips_pic32_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
mips_pic32mx cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
mips_pic32mz cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
msp430_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
msp430fxyz periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
native periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
nrf5x_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
nrf51 cpu/nrf5x_common: add flashpage_raw_support 2019-08-05 17:45:14 +02:00
nrf52 cpu/nrf5x_common: add flashpage_raw_support 2019-08-05 17:45:14 +02:00
sam0_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
sam3 periph_common: add as dependency to periph drivers 2019-06-03 13:44:10 +02:00
sam_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
samd5x cpu/sam0_common: add hwrng driver 2019-08-03 14:50:58 +02:00
samd21 cpu: make use of ARRAY_SIZE macro 2019-08-06 19:43:54 +02:00
saml1x cpu/saml1x: fix adc resolution issue 2019-08-06 19:08:39 +02:00
saml21 cpu: saml21: don't silently ignore missing makefile 2019-08-03 14:50:58 +02:00
stellaris_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
stm32_common cpu: do not locally export compilation variables 2019-08-29 10:35:53 +02:00
stm32f0 cpu/stm32: all stm32 families now provide pm support 2019-03-21 19:39:16 +01:00
stm32f1 cpu/stm32f1-l0: remove redundant PM_BLOCKER_INITIAL define 2019-04-12 11:10:48 +02:00
stm32f2 stm32f2/Makefile.include: add riotboot requirements 2019-08-07 18:34:48 +02:00
stm32f3 cpu/stm32f3: add support for flashpage 2019-06-28 17:16:10 +02:00
stm32f4 stm32f4/Makefile.include: add riotboot requirements 2019-08-07 18:29:51 +02:00
stm32f7 stm32f7/Makefile.include: add riotboot requirements 2019-08-07 18:37:07 +02:00
stm32l0 cpu/stm32l0: add support for stm32l052xx 2019-05-21 09:54:35 +02:00
stm32l1 stm321l1/vendor: migrate to new v2.3.0 vendor files 2019-08-05 11:13:08 +02:00
stm32l4 cpu/stm32l4/stmclk: fix HSE overwride when MSI is enabled 2019-07-23 17:26:26 +02:00
doc.txt cpu: doc typos 2017-01-20 13:36:26 +01:00