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configure: check if --no-pie is supported first

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For whatever reason this doesn't trigger normally but because
compile_prog uses QEMU_CFLAGS we end up trying to build a -pie
--no-pie build which confuses compilers on some non-x86 hosts.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
This commit is contained in:
Alex Bennée 2019-08-15 19:41:51 +00:00
parent 50d2dcaddb
commit 412aeacdc7
1 changed files with 6 additions and 5 deletions
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11
configure vendored
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@ -2021,6 +2021,12 @@ static THREAD int tls_var;
int main(void) { return tls_var; }
EOF
# check we support --no-pie first...
if compile_prog "-Werror -fno-pie" "-no-pie"; then
CFLAGS_NOPIE="-fno-pie"
LDFLAGS_NOPIE="-nopie"
fi
if compile_prog "-fPIE -DPIE" "-pie"; then
QEMU_CFLAGS="-fPIE -DPIE $QEMU_CFLAGS"
LDFLAGS="-pie $LDFLAGS"
@ -2036,11 +2042,6 @@ EOF
pie="no"
fi
fi
if compile_prog "-Werror -fno-pie" "-nopie"; then
CFLAGS_NOPIE="-fno-pie"
LDFLAGS_NOPIE="-nopie"
fi
fi
##########################################