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build_unflags does not apply to linker commands #698

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lerneaenhydra opened this issue Jun 16, 2016 · 2 comments
Closed
1 task

build_unflags does not apply to linker commands #698

lerneaenhydra opened this issue Jun 16, 2016 · 2 comments
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@ivankravets
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bug
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2.11.0

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@lerneaenhydra
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lerneaenhydra commented Jun 16, 2016 •
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What kind of issue is this?

  • Bug report. If you’ve found a bug, please provide information below.

Configuration

Operating system: Linux stm32dev-VirtualBox 4.4.0-24-generic #43-Ubuntu SMP Wed Jun 8 19:25:16 UTC 2016 i686 athlon i686 GNU/Linux

PlatformIO Version (platformio --version): PlatformIO, version 2.10.1

Description of problem

The build_unflags directive does not apply to the generated linker command. For example, when using the ststm32 platform the default flags '-nostartfiles' and '-nostdlib' are not removed when the configuration file contains 'build_unflags= -nostdlib -nostartfiles'

Steps to Reproduce

Compile any project using a platformio.ini file containing;
[env:disco_f407vg]
platform = ststm32
framework = spl
board = disco_f407vg
build_unflags = -nostdlib -nostartfiles

Actual Results

the following linker command is generated
arm-none-eabi-gcc -o .pioenvs/disco_f407vg/firmware.elf -Os -Wl,--gc-sections,--relax -mthumb -mcpu=cortex-m4 **-nostartfiles -nostdlib** -Wl,-T"stm32f405x6.ld" .pioenvs/disco_f407vg/src/backend/cbuf.o .pioenvs/disco_f407vg/src/backend/dsp_wrapper.o .pioenvs/disco_f407vg/src/backend/hw/board.o .pioenvs/disco_f407vg/src/backend/hw/headphone.o .pioenvs/disco_f407vg/src/backend/hw/microphone.o .pioenvs/disco_f407vg/src/backend/hw/stm32f4_discovery.o .pioenvs/disco_f407vg/src/backend/hw/stm32f4_discovery_audio_codec.o .pioenvs/disco_f407vg/src/backend/hw/stm32f4xx_it.o .pioenvs/disco_f407vg/src/backend/hw/system_stm32f4xx.o .pioenvs/disco_f407vg/src/backend/printf.o .pioenvs/disco_f407vg/src/backend/systime/systime.o .pioenvs/disco_f407vg/src/main.o -L/home/stm32dev/.platformio/packages/ldscripts -Llib_ext -L.pioenvs/disco_f407vg -Wl,--start-group -lc -lgcc -lm -lstdc++ -lnosys -lPDMFilter_GCC -larm_cortexM4l_math .pioenvs/disco_f407vg/libFrameworkCMSISVariant.a .pioenvs/disco_f407vg/libFrameworkSPL.a -Wl,--end-group

Expected Results

The above linker command without the -nostartfiles -nostdlib flags.
@ivankravets ivankravets self-assigned this Jun 16, 2016
@ivankravets ivankravets added this to the 2.10.4 milestone Jun 16, 2016
@ivankravets
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ivankravets commented Jun 16, 2016 •
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https://community.platformio.org/t/build-unflags-broken/392/13

[env:frdm_k64f]
platform = freescalekinetis
framework = mbed
board = frdm_k64f
build_unflags = -fno-rtti

I already put the env.ProcessUnFlags(env.get("BUILD_UNFLAGS")) after the framework script in platformio.py, but it´s still broken.

@ivankravets
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Please re-test the latest http://docs.platformio.org/en/latest/installation.html#development-version

ivankravets added a commit that referenced this issue Jun 17, 2016
@ivankravets
Remove duplicated flags // Issue #698
2b88ef1
ivankravets added a commit that referenced this issue Jun 19, 2016
@ivankravets
Merge branch 'develop' into feature/platformio-30
037b520 
* develop:
  Use env.Flatten to manipulate with CPPDEFINES
  Update name of the OpenEnergyMonitor board // Resolve #699
  Fix PyLint warning
  Remove duplicated flags // Issue #698
  Disable dependancy info
  Revert back previous LINKFLAGS
  Better removing unnecessary flags using ``build_unflags`` option // Resolve #698
  Fix unnecessary uppercase for target includes
ivankravets added a commit that referenced this issue Jun 28, 2016
@ivankravets
Version bump to 2.11.0 (issues #472, #520, #614, #620, #685, #698, #699)
39f9789
@ivankravets ivankravets mentioned this issue Jun 28, 2016
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ivankravets added a commit that referenced this issue Jul 6, 2016
@ivankravets
Merge branch 'develop' into feature/platformio-30
b043a22 
* develop: (27 commits)
  Update boards list
  Add Arduino M0 as a separate board
  Update history
  Update microchippic32 platform and boards
  Fix PyLint warning
  Keep user changes for ".gitignore" file when re-generate/update project data
  Documented uploading of EEPROM data
  Push 2.11.1.dev1
  Automatically install dependent upload tools // Issue #472
  Split source files to HEADERS and SOURCES when generate project for Qt Creator IDE // Resolve #713
  Improve project generator for CLion IDE
  Fix missing trailing ``\`` for the source files list when generate project for Qt Creator IDE // Resolve #711
  * Fix missed ``--boot`` flag for the firmware uploader for ATSAM3X8E Cortex-M3 MCU based boards (Arduino Due, etc) // Resolve #710
  Initial support for Arduino M0/Tian boards // Issue #472
  Update project template for Qt Creator // Issue #711
  Fix missed --boot flag for sam3x uploader // Issue # 710
  Auto-remove project cache when PlatformIO is upgraded
  Version bump to 2.11.0 (issues #472, #520, #614, #620, #685, #698, #699)
  Update history
  Update espressif platform according to the new framework version
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