Appended CFlags does not take effect

PlatformIO IDE
,
1

Hi there,

I’m having a big project, having its framework = espidf. However the compiler have strict default flags.

Have added -Wno-pointer-sign to build_flags section. Which is meant only for C/ObjC, therefore had lots of this warning, but completed the compilation process successfully:

cc1plus.exe: warning: command-line option '-Wno-pointer-sign' is valid for C/ObjC but not for C++.

Decided to use advanced scripting, therefore commented the line above and inserted extra_scripts = scripts/build_flags.py

While scripts/build_flags.py:

Import("env")

env.Append(CFLAGS=["-Wno-pointer-sign"])

But had the error which is:

.pio/libdeps/esp32s3-devkitc/AEAD_OCB/test.c:81:24: error: pointer targets in passing argument 2 of 'hex2bin' differ in signedness [-Werror=pointer-sign]

I’ve made sure it calls my scripting file by putting a debug prints. And made sure that -Wno-pointer-sign is absent by a verbose build.

Had I missed something?

2

Open a CLI and do pio run -v. What is the full compiler command used for the test.c file?

3

Here’s it:

xtensa-esp32s3-elf-gcc -o .pio/build/esp32s3-devkitc/libd60/AEAD_OCB/test.o -c -Os -Wall -Werror=all -Wextra -Wno-enum-conversion -Wno-error=deprecated-declarations -Wno-error=unused-but-set-variable -Wno-error=unused-function -Wno-error=unused-variable -Wno-format-nonliteral -Wno-format-security -Wno-old-style-declaration -Wno-sign-compare -Wno-unused-parameter -fdata-sections -ffunction-sections -fmacro-prefix-map=C:/Users/Hamza/.platformio/packages/framework-espidf=/IDF -fmacro-prefix-map=E:/Projects/Teqana/Industrial/Software/Device=. -fno-builtin-bzero -fno-builtin-memcpy -fno-builtin-memset -fno-builtin-stpcpy -fno-builtin-strncpy -fno-jump-tables -fno-tree-switch-conversion -freorder-blocks -fstrict-volatile-bitfields -gdwarf-4 -ggdb -mlongcalls -std=gnu17 -fexceptions -Wno-format -Wno-parentheses -Wno-misleading-indentation -DESP32=ESP32 -DARDUINO_VARIANT=\"esp32s3\" -DARDUINO_BOARD=\"ESP32S3_DEV\" -DARDUINO_ARCH_ESP32 -DARDUINO_ESP32S3_DEV -DARDUINO=10812 -DCHIP_HAVE_CONFIG_H -D_POSIX_READER_WRITER_LOCKS -D_GNU_SOURCE -D_GLIBCXX_USE_POSIX_SEMAPHORE -D_GLIBCXX_HAVE_POSIX_SEMAPHORE -DUNITY_INCLUDE_CONFIG_H -DSOC_XTAL_FREQ_MHZ=CONFIG_XTAL_FREQ -DSOC_MMU_PAGE_SIZE=CONFIG_MMU_PAGE_SIZE -DSERIAL_FLASHER_RESET_HOLD_TIME_MS=100 -DSERIAL_FLASHER_BOOT_HOLD_TIME_MS=50 -DMD5_ENABLED=1 -DMBEDTLS_CONFIG_FILE=\"mbedtls/esp_config.h\" -DIDF_VER=\"5.3.1\" -DESP_PLATFORM -DPLATFORMIO=60115 -DARDUINO_ESP32S3_DEV -DARDUINO_USB_MODE=1 -DARDUINO_RUNNING_CORE=1 -DARDUINO_EVENT_RUNNING_CORE=1 -DEMBEDDED_PLATFORM=1 -DLWIP_ALTCP=1 -DLWIP_ALTCP_TLS=1 -DLWIP_ALTCP_TLS_MBEDTLS=1 -DBOARD_HAS_PSRAM -I.pio/libdeps/esp32s3-devkitc/AEAD_OCB -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/xtensa/esp32s3/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/xtensa/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/xtensa/deprecated_include -I.pio/build/esp32s3-devkitc/config -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/newlib/platform_include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/config/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/config/include/freertos -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/config/xtensa/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/FreeRTOS-Kernel/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/FreeRTOS-Kernel/portable/xtensa/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/FreeRTOS-Kernel/portable/xtensa/include/freertos -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/freertos/esp_additions/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/esp_hw_support/include -IC:/Users/Hamza/.platformio/packages/framework-espidf/components/esp_hw_support/include/soc 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-Imanaged_components/espressif__esp-dsp/modules/support/include -Imanaged_components/espressif__esp-dsp/modules/support/mem/include -Imanaged_components/espressif__esp-dsp/modules/windows/include -Imanaged_components/espressif__esp-dsp/modules/windows/hann/include -Imanaged_components/espressif__esp-dsp/modules/windows/blackman/include -Imanaged_components/espressif__esp-dsp/modules/windows/blackman_harris/include -Imanaged_components/espressif__esp-dsp/modules/windows/blackman_nuttall/include -Imanaged_components/espressif__esp-dsp/modules/windows/nuttall/include -Imanaged_components/espressif__esp-dsp/modules/windows/flat_top/include -Imanaged_components/espressif__esp-dsp/modules/iir/include -Imanaged_components/espressif__esp-dsp/modules/fir/include -Imanaged_components/espressif__esp-dsp/modules/math/include -Imanaged_components/espressif__esp-dsp/modules/math/add/include -Imanaged_components/espressif__esp-dsp/modules/math/sub/include -Imanaged_components/espressif__esp-dsp/modules/math/mul/include -Imanaged_components/espressif__esp-dsp/modules/math/addc/include -Imanaged_components/espressif__esp-dsp/modules/math/mulc/include -Imanaged_components/espressif__esp-dsp/modules/math/sqrt/include -Imanaged_components/espressif__esp-dsp/modules/matrix/mul/include -Imanaged_components/espressif__esp-dsp/modules/matrix/add/include -Imanaged_components/espressif__esp-dsp/modules/matrix/addc/include -Imanaged_components/espressif__esp-dsp/modules/matrix/mulc/include -Imanaged_components/espressif__esp-dsp/modules/matrix/sub/include -Imanaged_components/espressif__esp-dsp/modules/matrix/include -Imanaged_components/espressif__esp-dsp/modules/fft/include -Imanaged_components/espressif__esp-dsp/modules/dct/include -Imanaged_components/espressif__esp-dsp/modules/conv/include -Imanaged_components/espressif__esp-dsp/modules/common/include -Imanaged_components/espressif__esp-dsp/modules/matrix/mul/test/include 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-Imanaged_components/espressif__esp_schedule/include -Imanaged_components/espressif__esp-serial-flasher/include -Imanaged_components/espressif__esp-serial-flasher/port -Imanaged_components/espressif__esp_rcp_update/include -Imanaged_components/espressif__esp_secure_cert_mgr/include -Imanaged_components/espressif__esp_rainmaker/include -Imanaged_components/espressif__qrcode/include -Imanaged_components/joltwallet__littlefs/include -Imanaged_components/espressif__arduino-esp32/variants/esp32s3 -Imanaged_components/espressif__arduino-esp32/cores/esp32 -Imanaged_components/espressif__arduino-esp32/libraries/AsyncUDP/src -Imanaged_components/espressif__arduino-esp32/libraries/DNSServer/src -Imanaged_components/espressif__arduino-esp32/libraries/ESPmDNS/src -Imanaged_components/espressif__arduino-esp32/libraries/FS/src -Imanaged_components/espressif__arduino-esp32/libraries/LittleFS/src -Imanaged_components/espressif__arduino-esp32/libraries/Network/src -Imanaged_components/espressif__arduino-esp32/libraries/SPI/src -Imanaged_components/espressif__arduino-esp32/libraries/WiFi/src -Imanaged_components/espressif__arduino-esp32/libraries/Wire/src .pio/libdeps/esp32s3-devkitc/AEAD_OCB/test.c

4

This just needs to be

extra_scripts = pre:scripts/build_flags.py
2 Likes
5

Seems I missed it, but what deceived me is the debug print of the file which is printed way before the compilation process began.