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jjyr/riscv_small_size_flags.md

Last active July 8, 2019 12:34
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riscv_small_size_flags.md 
./configure --host=riscv64-unknown-elf CC=riscv64-unknown-elf-gcc CXX=riscv64-unknown-elf-g++ CFLAGS='-Os -Wl,-static -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,-s' CXXFLAGS='-Os -Wl,-static -fdata-sections -ffunction-sections -Wl,--gc-sections -Wl,-s'

cmake

  1. change CMAKE_C_COMPILER to riscv-unknown-elf-gcc
  2. change CMAKE_SYSTEM_NAME to Generic
  3. cmake

see https://gitlab.kitware.com/cmake/community/wikis/doc/cmake/CrossCompiling

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