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authorSam James <sam@gentoo.org>2022-05-03 00:17:29 +0100
committerSam James <sam@gentoo.org>2022-05-03 00:18:51 +0100
commitcb41e7e05c55f6ef64e7a617869bbb644899e724 (patch)
treee3829f39a90092aa9961f5ce99d3bb94d36097de /README
parentcrossdev: Add support for LoongArch (ARCH=loong) (diff)
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crossdev: force off USE=hardened where no SSP
This fixes e.g. hppa2.0-unknown-linux-gnu where the stack grows up and hence we lack SSP, but also -fstack-clash-protection which is forced on by USE=hardened. glibc failed to build before this with: ``` checking for broken __attribute__((alias()))... yes configure: error: working alias attribute support required * ERROR: cross-hppa2.0-unknown-linux-gnu/glibc-2.35-r4::crossdev failed (configure phase): ``` config.log: ``` configure:4199: checking if compiler warns about alias for function with incompatible types cc1: error: '-fstack-clash-protection' is not supported on targets where the stack grows from lower to higher addresses [-Werror] conftest.c:9:34: error: 'foo_alias' alias between functions of incompatible types 'int(const void *, int)' and 'int (*(void))(const void *, int)' [-Werror=attribute-alias=] 9 | extern __typeof (__redirect_foo) foo_alias __attribute__ ((alias ("foo"))); | ^~~~~~~~~ conftest.c:4:28: note: aliased declaration here 4 | __typeof (__redirect_foo) *foo_impl (void) | ^~~~~~~~ cc1: all warnings being treated as errors ``` Signed-off-by: Sam James <sam@gentoo.org>
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