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* [glibc] elf: Install a symbolic link to ld.so as /usr/bin/ld.so
@ 2021-12-10 15:28 Florian Weimer
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From: Florian Weimer @ 2021-12-10 15:28 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=2e75604f8337fa4332977f72a8f6726309679edf
commit 2e75604f8337fa4332977f72a8f6726309679edf
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Dec 10 16:06:36 2021 +0100
elf: Install a symbolic link to ld.so as /usr/bin/ld.so
This makes ld.so features such as --preload, --audit,
and --list-diagnostics more accessible to end users because they
do not need to know the ABI name of the dynamic loader.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diff:
---
NEWS | 3 +++
elf/Makefile | 7 ++++++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/NEWS b/NEWS
index 8744a92532..3a04befe8e 100644
--- a/NEWS
+++ b/NEWS
@@ -79,6 +79,9 @@ Major new features:
variables. The GNU C Library manual has details on integration of
Restartable Sequences.
+* A symbolic link to the dynamic linker is now installed under
+ /usr/bin/ld.so (or more precisely, '${bindir}/ld.so').
+
Deprecated and removed features, and other changes affecting compatibility:
* The r_version update in the debugger interface makes the glibc binary
diff --git a/elf/Makefile b/elf/Makefile
index ef36008673..d0bb0daa7e 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -110,7 +110,7 @@ endif
ifeq (yes,$(build-shared))
extra-objs = $(all-rtld-routines:%=%.os) sofini.os interp.os
generated += librtld.os dl-allobjs.os ld.so ldd
-install-others = $(inst_rtlddir)/$(rtld-installed-name)
+install-others = $(inst_rtlddir)/$(rtld-installed-name) $(inst_bindir)/ld.so
install-bin-script = ldd
endif
@@ -692,6 +692,11 @@ $(inst_rtlddir)/$(rtld-installed-name): $(objpfx)ld.so $(+force)
$(make-target-directory)
$(do-install-program)
+# Creates the relative /usr/bin/ld.so symbolic link.
+$(inst_bindir)/ld.so: $(inst_rtlddir)/$(rtld-installed-name)
+ $(make-target-directory)
+ $(make-link)
+
# Special target called by parent to install just the dynamic linker.
.PHONY: ldso_install
ldso_install: $(inst_rtlddir)/$(rtld-installed-name)
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