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dependencies.sh: stop stray a.out being created for ia32 compiler test

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If the grub package is selected it also selects
BR2_HOSTARCH_NEEDS_IA32_COMPILER.  This triggers a test in dependencies.sh
to verify the host compiler can build 32 bit executables.  Currently this
test does not set any output for the compiler which causes a stray a.out
to be create outside the output directory.  This patch sets the compiler
output to /dev/null so no a.out is created but the test is still performed.

Signed-off-by: Martin Bark <martin@barkynet.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
This commit is contained in:
Martin Bark 2014-02-04 22:10:23 +00:00 committed by Peter Korsgaard
parent 5f7cbb264e
commit 2e8dd9563d
1 changed files with 1 additions and 1 deletions
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2
support/dependencies/dependencies.sh
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@ -207,7 +207,7 @@ if grep -q ^BR2_HOSTARCH_NEEDS_IA32_LIBS=y $BUILDROOT_CONFIG ; then
fi
if grep -q ^BR2_HOSTARCH_NEEDS_IA32_COMPILER=y $BUILDROOT_CONFIG ; then
if ! echo "int main(void) {}" | gcc -m32 -x c - ; then
if ! echo "int main(void) {}" | gcc -m32 -x c - -o /dev/null ; then
echo
echo "Your Buildroot configuration needs a compiler capable of building 32 bits binaries."
echo "If you're running a Debian/Ubuntu distribution, install the gcc-multilib package."