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commit 97bb89668d7171164975f3dc895e38343a2f3a95
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Author: H.J. Lu <hjl.tools@gmail.com>
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Date: Thu May 9 20:07:01 2024 -0700
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Force DT_RPATH for --enable-hardcoded-path-in-tests
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On Fedora 40/x86-64, linker enables --enable-new-dtags by default which
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generates DT_RUNPATH instead of DT_RPATH. Unlike DT_RPATH, DT_RUNPATH
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only applies to DT_NEEDED entries in the executable and doesn't applies
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to DT_NEEDED entries in shared libraries which are loaded via DT_NEEDED
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entries in the executable. Some glibc tests have libstdc++.so.6 in
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DT_NEEDED, which has libm.so.6 in DT_NEEDED. When DT_RUNPATH is generated,
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/lib64/libm.so.6 is loaded for such tests. If the newly built glibc is
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older than glibc 2.36, these tests fail with
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assert/tst-assert-c++: /export/build/gnu/tools-build/glibc-gitlab-release/build-x86_64-linux/libc.so.6: version `GLIBC_2.36' not found (required by /lib64/libm.so.6)
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assert/tst-assert-c++: /export/build/gnu/tools-build/glibc-gitlab-release/build-x86_64-linux/libc.so.6: version `GLIBC_ABI_DT_RELR' not found (required by /lib64/libm.so.6)
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Pass -Wl,--disable-new-dtags to linker when building glibc tests with
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--enable-hardcoded-path-in-tests. This fixes BZ #31719.
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Signed-off-by: H.J. Lu <hjl.tools@gmail.com>
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(cherry picked from commit 2dcaf70643710e22f92a351e36e3cff8b48c60dc)
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diff --git a/Makeconfig b/Makeconfig
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index 85e00cef94e9deb4..522182abdc426e70 100644
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--- a/Makeconfig
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+++ b/Makeconfig
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@@ -586,10 +586,13 @@ link-libc-rpath-link = -Wl,-rpath-link=$(rpath-link)
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# before the expansion of LDLIBS-* variables).
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# Tests use -Wl,-rpath instead of -Wl,-rpath-link for
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-# build-hardcoded-path-in-tests.
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+# build-hardcoded-path-in-tests. Add -Wl,--disable-new-dtags to force
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+# DT_RPATH instead of DT_RUNPATH which only applies to DT_NEEDED entries
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+# in the executable and doesn't applies to DT_NEEDED entries in shared
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+# libraries which are loaded via DT_NEEDED entries in the executable.
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ifeq (yes,$(build-hardcoded-path-in-tests))
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-link-libc-tests-rpath-link = $(link-libc-rpath)
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-link-test-modules-rpath-link = $(link-libc-rpath)
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+link-libc-tests-rpath-link = $(link-libc-rpath) -Wl,--disable-new-dtags
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+link-test-modules-rpath-link = $(link-libc-rpath) -Wl,--disable-new-dtags
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else
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link-libc-tests-rpath-link = $(link-libc-rpath-link)
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link-test-modules-rpath-link =
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