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commit: b42744dd8d41b9a471b0f99fe8d9e7cb8f806a9a |
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Author: Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org> |
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AuthorDate: Sun Apr 28 10:23:34 2019 +0000 |
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Commit: Andreas K. Hüttel <dilfridge <AT> gentoo <DOT> org> |
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CommitDate: Sun Apr 28 10:23:34 2019 +0000 |
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URL: https://gitweb.gentoo.org/proj/riscv.git/commit/?id=b42744dd |
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eclass: filter -march in gcc build for riscv |
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Signed-off-by: Andreas K. Hüttel <dilfridge <AT> gentoo.org> |
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eclass/toolchain.eclass | 5 +++++ |
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1 file changed, 5 insertions(+) |
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diff --git a/eclass/toolchain.eclass b/eclass/toolchain.eclass |
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index be94db8..ff66986 100644 |
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--- a/eclass/toolchain.eclass |
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+++ b/eclass/toolchain.eclass |
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@@ -1513,6 +1513,11 @@ gcc_do_filter_flags() { |
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# dont want to funk ourselves |
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filter-flags '-mabi*' -m31 -m32 -m64 |
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+ # on riscv, only specific combinations of march and mabi work... so we need |
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+ # to strip both and trust the compiler to do the right thing, otherwise |
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+ # multilib build fails |
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+ [[ $(tc-arch) == riscv* ]] && filter-flags '-march*' |
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+ |
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filter-flags -frecord-gcc-switches # 490738 |
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filter-flags -mno-rtm -mno-htm # 506202 |
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