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by stefanovic
Sun Mar 03, 2019 9:13 am
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 323
Views: 101493

Re: Circle - C++ bare metal environment (with USB)

The __errno symbol should normally be present. It is provided by libcircle.a itself with "STDLIB_SUPPORT = 1" here and libcircle.a is the last library in the hello_tiger Makefile . You can try to add the following line as the last line in this Makefile for a test: EXTRALIBS += $(CIRCLEHOM...
by stefanovic
Sat Mar 02, 2019 9:12 pm
Forum: Bare metal, Assembly language
Topic: Circle - C++ bare metal environment (with USB)
Replies: 323
Views: 101493

Re: Circle - C++ bare metal environment (with USB)

Hi, I was trying to compile the vc4 example on my mac using 'brew cask instal gcc-arm-embedded'. I had to use add this to the compile command: -I /usr/local/Caskroom/gcc-arm-embedded/7-2018-q2-update/gcc-arm-none-eabi-7-2018-q2-update/lib/gcc/arm-none-eabi/7.3.1/include -I /usr/local/Caskroom/gcc-ar...

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