toolchain/helpers.mk: don't discard check_arm_abi stderr
Since we only need to know whether the compiler runs successfully, and stderr is empty for the success case, there is no need to redirect stderr to /dev/null. Moreover, stderr output of the failing case reveals valuable information on the real failure reason. Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
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@ -297,7 +297,7 @@ check_arm_abi = \
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echo "External toolchain uses the unsuported OABI" ; \
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exit 1 ; \
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fi ; \
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if ! echo 'int main(void) {}' | $${__CROSS_CC} -x c -o /dev/null - 2>/dev/null; then \
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if ! echo 'int main(void) {}' | $${__CROSS_CC} -x c -o /dev/null - ; then \
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abistr_$(BR2_ARM_EABI)='EABI'; \
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abistr_$(BR2_ARM_EABIHF)='EABIhf'; \
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echo "Incorrect ABI setting: $${abistr_y} selected, but toolchain is incompatible"; \
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