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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>
This commit is contained in:
Baruch Siach 2014-07-03 19:32:58 +03:00 committed by Peter Korsgaard
parent e956852081
commit 8420d4c169
1 changed files with 1 additions and 1 deletions
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toolchain/helpers.mk
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@ -297,7 +297,7 @@ check_arm_abi = \
echo "External toolchain uses the unsuported OABI" ; \ echo "External toolchain uses the unsuported OABI" ; \
exit 1 ; \ exit 1 ; \
fi ; \ fi ; \
if ! echo 'int main(void) {}' | $${__CROSS_CC} -x c -o /dev/null - 2>/dev/null; then \ if ! echo 'int main(void) {}' | $${__CROSS_CC} -x c -o /dev/null - ; then \
abistr_$(BR2_ARM_EABI)='EABI'; \ abistr_$(BR2_ARM_EABI)='EABI'; \
abistr_$(BR2_ARM_EABIHF)='EABIhf'; \ abistr_$(BR2_ARM_EABIHF)='EABIhf'; \
echo "Incorrect ABI setting: $${abistr_y} selected, but toolchain is incompatible"; \ echo "Incorrect ABI setting: $${abistr_y} selected, but toolchain is incompatible"; \