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