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commit 1fe4b8d6937139faa47410552d4e21b356810d67
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Author: Joseph Myers <joseph@codesourcery.com>
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Date: Fri Sep 17 19:24:14 2021 +0000
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Use $(pie-default) with conformtest
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My glibc bot showed that my conformtest changes fail the build of the
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conformtest execution tests for x86_64-linux-gnu-static-pie, because
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linking the newly built object with the newly built libc and the
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associated options normally used for linking requires it to be built
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as PIE. Add $(pie-default) to the compiler command used so that PIE
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options are used when required.
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There's a case for using the whole of $(CFLAGS-.o) (which includes
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$(pie-default)), but that raises questions of any impact from using
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optimization flags from CFLAGS in these tests. So for now just use
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$(pie-default) as the key part of $(CFLAGS-.o) that's definitely
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needed.
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Tested with build-many-glibcs.py for x86_64-linux-gnu-static-pie.
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(cherry picked from commit 885762aa31d75de8b9fea4c0e2e372b582d4c548)
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diff --git a/conform/Makefile b/conform/Makefile
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index 296db818f0a72253..27ad98caf866879f 100644
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--- a/conform/Makefile
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+++ b/conform/Makefile
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@@ -175,7 +175,8 @@ $(conformtest-header-tests): $(objpfx)%/conform.out: \
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conformtest.py $(conformtest-headers-data)
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(set -e; std_hdr=$*; std=$${std_hdr%%/*}; hdr=$${std_hdr#*/}; \
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mkdir -p $(@D); \
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- $(PYTHON) $< --cc='$(CC)' --flags='$(conformtest-cc-flags)' \
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+ $(PYTHON) $< --cc='$(CC) $(pie-default)' \
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+ --flags='$(conformtest-cc-flags)' \
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--ldflags='$(+link-tests-before-inputs)' \
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--libs='$(+link-tests-after-inputs)' \
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--run-program-prefix='$(run-program-prefix)' \
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