buildroot: Add the missing "BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y" #359
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If "BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y" does not exist in the config, this will cause toolchain prefix to be overwritten. Then the build will use Bootlin toolchain, which is downloaded as part of the build. Before: $ grep ^BR2_TOOLCHAIN_EXTERNAL build/buildroot.build/.config BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y BR2_TOOLCHAIN_EXTERNAL_GLIBC=y BR2_TOOLCHAIN_EXTERNAL_PREFIX="$(ARCH)-linux" BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARCH_SUPPORTS=y BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_RISCV64_LP64D_GLIBC_BLEEDING_EDGE=y After: $ grep ^BR2_TOOLCHAIN_EXTERNAL build/buildroot.build/.config BR2_TOOLCHAIN_EXTERNAL=y BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y BR2_TOOLCHAIN_EXTERNAL_PREINSTALLED=y BR2_TOOLCHAIN_EXTERNAL_PATH="$(RISCV)" BR2_TOOLCHAIN_EXTERNAL_GLIBC=y BR2_TOOLCHAIN_EXTERNAL_PREFIX="$(ARCH)-unknown-linux-gnu" BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_ARCH_SUPPORTS=y BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX="$(ARCH)-unknown-linux-gnu" BR2_TOOLCHAIN_EXTERNAL_GCC_10=y BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_0=y BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y BR2_TOOLCHAIN_EXTERNAL_HAS_SSP=y BR2_TOOLCHAIN_EXTERNAL_HAS_SSP_STRONG=y BR2_TOOLCHAIN_EXTERNAL_INET_RPC=y BR2_TOOLCHAIN_EXTERNAL_CXX=y Signed-off-by: Jarkko Sakkinen <[email protected]>
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If "BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y" does not exist in the config, this will cause toolchain prefix to be overwritten. Then the build will use Bootlin toolchain, which is downloaded as part of the build.
Before:
After: