Install shared objects under their ABI names, avoiding symlinks (#1652867)
This adds patches proposed upstream to enable downgrades across major glibc versions. File list construction and the find-debuginfo.sh wrapper had to be adjusted to cope with the changed file name patterns.
This commit is contained in:
Florian Weimer
parent
222c141c85
commit
fd5c07ba69
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@ -0,0 +1,31 @@
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Patch series proposed upstream:
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<https://sourceware.org/pipermail/libc-alpha/2021-June/127473.html>
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Wed Jun 9 14:12:46 2021 +0200
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nptl_db: Install libthread_db under a regular implementation name
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Currently, the name is always libthread_db-1.0.so. It does not change
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with the glibc version, like the other libraries.
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GDB hard-codes libthread_db.so.1 (the soname), so this change does not
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affect loading libthread_db.
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Tested on x86_64-linux-gnu, in an environment where the nptl GDB tests
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actually run.
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diff --git a/nptl_db/Makefile b/nptl_db/Makefile
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index ea721c1dcfce6e7b..1f79c018a1f9fe19 100644
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--- a/nptl_db/Makefile
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+++ b/nptl_db/Makefile
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@@ -21,8 +21,6 @@ subdir := nptl_db
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include ../Makeconfig
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-nptl_db-version = 1.0
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-
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extra-libs = libthread_db
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extra-libs-others := $(extra-libs)
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@ -0,0 +1,78 @@
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Patch series proposed upstream:
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<https://sourceware.org/pipermail/libc-alpha/2021-June/127473.html>
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Wed Jun 9 14:12:46 2021 +0200
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Makerules: Remove lib-version, $(subdir-version)
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Also clarify that the “versioned” term refers to the soname, not the glibc
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version (which also ends up in the installed file name).
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I verified on x86_64-linux-gnu that “make install” produces the same
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files.
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diff --git a/Makerules b/Makerules
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index ca9885436e15784b..d3f29d0b8991efc7 100644
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--- a/Makerules
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+++ b/Makerules
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@@ -982,22 +982,21 @@ install-lib.so := $(filter %.so,$(install-lib:%_pic.a=%.so))
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install-lib := $(filter-out %.so %_pic.a,$(install-lib))
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ifeq (yes,$(build-shared))
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-# Find which .so's have versions.
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+# Find which .so's have a version number in their soname.
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versioned := $(strip $(foreach so,$(install-lib.so),\
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$(patsubst %,$(so),$($(so)-version))))
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install-lib.so-versioned := $(filter $(versioned), $(install-lib.so))
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install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so))
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-# For versioned libraries, we install three files:
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+# For libraries whose soname have version numbers, we install three files:
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# $(inst_libdir)/libfoo.so -- for linking, symlink or ld script
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# $(inst_slibdir)/libfoo.so.NN -- for loading by SONAME, symlink
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# $(inst_slibdir)/libfoo-X.Y.Z.so -- the real shared object file
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-lib-version := $(firstword $($(subdir)-version) $(version))
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install-lib-nosubdir: $(install-lib.so-unversioned:%=$(inst_slibdir)/%) \
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$(foreach L,$(install-lib.so-versioned),\
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$(inst_libdir)/$L \
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- $(inst_slibdir)/$(L:.so=)-$(lib-version).so \
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+ $(inst_slibdir)/$(L:.so=)-$(version).so \
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$(inst_slibdir)/$L$($L-version))
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# Install all the unversioned shared libraries.
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@@ -1125,7 +1124,6 @@ include $(o-iterator)
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generated += $(foreach o,$(versioned),$o$($o-version))
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-ifeq (,$($(subdir)-version))
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define o-iterator-doit
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$(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so \
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$(+force);
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@@ -1140,23 +1138,7 @@ $(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o $(+force);
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endef
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object-suffixes-left := $(versioned)
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include $(o-iterator)
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-else
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-define o-iterator-doit
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-$(inst_slibdir)/$o$($o-version): \
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- $(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so $(+force);
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- $$(make-shlib-link)
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-endef
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-object-suffixes-left := $(versioned)
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-include $(o-iterator)
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-
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-define o-iterator-doit
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-$(inst_slibdir)/$(o:.so=)-$($(subdir)-version).so: $(objpfx)$o $(+force);
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- $$(do-install-program)
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-endef
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-object-suffixes-left := $(versioned)
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-include $(o-iterator)
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-endif
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-endif
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+endif # ifneq (,$(versioned))
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define do-install-so
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$(do-install-program)
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@ -0,0 +1,129 @@
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Patch series proposed upstream:
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<https://sourceware.org/pipermail/libc-alpha/2021-June/127473.html>
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Wed Jun 9 14:12:46 2021 +0200
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elf: Generalize name-based DSO recognition in ldconfig
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This introduces <dl-is_dso.h> and the _dl_is_dso function. A
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test ensures that the official names of libc.so, ld.so, and their
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versioned names are recognized.
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diff --git a/elf/Makefile b/elf/Makefile
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index 5c47daee12505a47..1751f5ec6772eceb 100644
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--- a/elf/Makefile
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+++ b/elf/Makefile
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@@ -223,7 +223,7 @@ tests += restest1 preloadtest loadfail multiload origtest resolvfail \
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tst-single_threaded tst-single_threaded-pthread \
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tst-tls-ie tst-tls-ie-dlmopen argv0test \
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tst-glibc-hwcaps tst-glibc-hwcaps-prepend tst-glibc-hwcaps-mask \
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- tst-tls20 tst-tls21 tst-dlmopen-dlerror
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+ tst-tls20 tst-tls21 tst-dlmopen-dlerror tst-dl-is_dso
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# reldep9
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tests-internal += loadtest unload unload2 circleload1 \
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neededtest neededtest2 neededtest3 neededtest4 \
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diff --git a/elf/dl-is_dso.h b/elf/dl-is_dso.h
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new file mode 100644
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index 0000000000000000..94e00966a16e0df5
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--- /dev/null
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+++ b/elf/dl-is_dso.h
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@@ -0,0 +1,33 @@
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+/* Heuristic for recognizing DSO file names.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <stdbool.h>
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+#include <string.h>
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+
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+/* Returns true if the file name looks like a DSO name. */
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+static bool
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+_dl_is_dso (const char *name)
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+{
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+ /* Recognize lib*.so*, ld-*.so*, ld.so.*, ld64.so.*. ld-*.so*
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+ matches both platform dynamic linker names like ld-linux.so.2,
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+ and versioned dynamic loader names like ld-2.12.so. */
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+ return (((strncmp (name, "lib", 3) == 0 || strncmp (name, "ld-", 3) == 0)
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+ && strstr (name, ".so") != NULL)
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+ || strncmp (name, "ld.so.", 6) == 0
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+ || strncmp (name, "ld64.so.", 8) == 0);
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+}
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diff --git a/elf/ldconfig.c b/elf/ldconfig.c
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index 96bf7700b2efd37a..1037e8d0cf8d28b6 100644
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--- a/elf/ldconfig.c
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+++ b/elf/ldconfig.c
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@@ -43,6 +43,7 @@
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#include <ldconfig.h>
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#include <dl-cache.h>
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#include <dl-hwcaps.h>
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+#include <dl-is_dso.h>
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#include <dl-procinfo.h>
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@@ -842,9 +843,7 @@ search_dir (const struct dir_entry *entry)
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subdirectory (if not already processing a glibc-hwcaps
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subdirectory)? The dynamic linker is also considered as
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shared library. */
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- if (((strncmp (direntry->d_name, "lib", 3) != 0
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- && strncmp (direntry->d_name, "ld-", 3) != 0)
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- || strstr (direntry->d_name, ".so") == NULL)
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+ if (!_dl_is_dso (direntry->d_name)
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&& (direntry->d_type == DT_REG
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|| (entry->hwcaps == NULL
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&& !is_hwcap_platform (direntry->d_name))))
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diff --git a/elf/tst-dl-is_dso.c b/elf/tst-dl-is_dso.c
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new file mode 100644
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index 0000000000000000..48d2cc9fbe9edbc6
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--- /dev/null
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+++ b/elf/tst-dl-is_dso.c
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@@ -0,0 +1,35 @@
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+/* Test heuristic for recognizing DSO file names.
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+ Copyright (C) 2021 Free Software Foundation, Inc.
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+ This file is part of the GNU C Library.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <https://www.gnu.org/licenses/>. */
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+
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+#include <dl-is_dso.h>
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+#include <gnu/lib-names.h>
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+#include <support/check.h>
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+
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+static int
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+do_test (void)
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+{
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+ /* Official ABI names. */
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+ TEST_VERIFY (_dl_is_dso (LIBC_SO));
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+ TEST_VERIFY (_dl_is_dso (LD_SO));
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+ /* Version-based names. The version number does not matter. */
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+ TEST_VERIFY (_dl_is_dso ("libc-2.12.so"));
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+ TEST_VERIFY (_dl_is_dso ("ld-2.12.so"));
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+ return 0;
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+}
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+
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+#include <support/test-driver.c>
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@ -0,0 +1,158 @@
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Patch series proposed upstream:
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<https://sourceware.org/pipermail/libc-alpha/2021-June/127473.html>
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Author: Florian Weimer <fweimer@redhat.com>
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Date: Wed Jun 9 14:12:46 2021 +0200
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Install shared objects under their ABI names
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Previously, the installed objects were named like libc-2.33.so,
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and the ABI soname libc.so.6 was just a symbolic link.
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The Makefile targets to install these symbolic links are no longer
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needed after this, so they are removed with this commit. The more
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general $(make-link) command (which invokes scripts/rellns-sh) is
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retained because other symbolic links are still needed.
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diff --git a/INSTALL b/INSTALL
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index 56ed01d4386ad8b7..7f054f422d990d8a 100644
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--- a/INSTALL
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+++ b/INSTALL
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@@ -199,6 +199,16 @@ if 'CFLAGS' is specified it must enable optimization. For example:
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RELRO and a read-only global offset table (GOT), at the cost of
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slightly increased program load times.
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+'--disable-major-minor-libraries'
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+ Do not install shared objects under file names that contain the
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+ major and minor version of the GNU C Library. By default, such
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+ names are used, and the names defined by the ABI are provided as
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+ symbolic links only. This causes problems with certain package
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+ managers during library upgrades and (in particular) downgrades, so
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+ this option can be used to install these shared objects directly
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+ under their ABI-defined names, without an additional indirection
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+ via symbolic links.
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+
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'--enable-pt_chown'
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The file 'pt_chown' is a helper binary for 'grantpt' (*note
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Pseudo-Terminals: Allocation.) that is installed setuid root to fix
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diff --git a/Makefile b/Makefile
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index 242d36de914c516f..c115c652a0b8c1ce 100644
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--- a/Makefile
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+++ b/Makefile
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@@ -109,12 +109,6 @@ elf/ldso_install:
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# Ignore the error if we cannot update /etc/ld.so.cache.
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ifeq (no,$(cross-compiling))
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ifeq (yes,$(build-shared))
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-install: install-symbolic-link
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-.PHONY: install-symbolic-link
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-install-symbolic-link: subdir_install
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- $(symbolic-link-prog) $(symbolic-link-list)
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- rm -f $(symbolic-link-list)
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-
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install:
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-test ! -x $(elf-objpfx)ldconfig || LC_ALL=C \
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$(elf-objpfx)ldconfig $(addprefix -r ,$(install_root)) \
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diff --git a/Makerules b/Makerules
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index d3f29d0b8991efc7..6efff78fbe44bdca 100644
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--- a/Makerules
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+++ b/Makerules
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@@ -989,14 +989,12 @@ versioned := $(strip $(foreach so,$(install-lib.so),\
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install-lib.so-versioned := $(filter $(versioned), $(install-lib.so))
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install-lib.so-unversioned := $(filter-out $(versioned), $(install-lib.so))
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-# For libraries whose soname have version numbers, we install three files:
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+# For libraries whose soname have version numbers, we install two files:
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# $(inst_libdir)/libfoo.so -- for linking, symlink or ld script
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-# $(inst_slibdir)/libfoo.so.NN -- for loading by SONAME, symlink
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-# $(inst_slibdir)/libfoo-X.Y.Z.so -- the real shared object file
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+# $(inst_slibdir)/libfoo.so.NN -- for loading by SONAME
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install-lib-nosubdir: $(install-lib.so-unversioned:%=$(inst_slibdir)/%) \
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$(foreach L,$(install-lib.so-versioned),\
|
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$(inst_libdir)/$L \
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- $(inst_slibdir)/$(L:.so=)-$(version).so \
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$(inst_slibdir)/$L$($L-version))
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# Install all the unversioned shared libraries.
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@@ -1029,35 +1027,10 @@ ln -f $(objpfx)/$(@F) $@
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endef
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endif
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-ifeq (yes,$(build-shared))
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-ifeq (no,$(cross-compiling))
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-symbolic-link-prog := $(elf-objpfx)sln
|
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-symbolic-link-list := $(elf-objpfx)symlink.list
|
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-define make-shlib-link
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-echo `$(..)scripts/rellns-sh -p $< $@` $@ >> $(symbolic-link-list)
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-endef
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-else # cross-compiling
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-# We need a definition that can be used by elf/Makefile's install rules.
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-symbolic-link-prog = $(LN_S)
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-endif
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-endif
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-ifndef make-shlib-link
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-define make-shlib-link
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-rm -f $@
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-$(LN_S) `$(..)scripts/rellns-sh -p $< $@` $@
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-endef
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-endif
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-
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ifdef libc.so-version
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-# For a library specified to be version N, install three files:
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-# libc.so -> libc.so.N (e.g. libc.so.6)
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-# libc.so.6 -> libc-VERSION.so (e.g. libc-1.10.so)
|
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-
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-$(inst_slibdir)/libc.so$(libc.so-version): $(inst_slibdir)/libc-$(version).so \
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- $(+force)
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- $(make-shlib-link)
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-$(inst_slibdir)/libc-$(version).so: $(common-objpfx)libc.so $(+force)
|
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+$(inst_slibdir)/libc.so$(libc.so-version): $(common-objpfx)libc.so $(+force)
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$(do-install-program)
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+
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install: $(inst_slibdir)/libc.so$(libc.so-version)
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# This fragment of linker script gives the OUTPUT_FORMAT statement
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@@ -1125,15 +1098,7 @@ include $(o-iterator)
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generated += $(foreach o,$(versioned),$o$($o-version))
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define o-iterator-doit
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-$(inst_slibdir)/$o$($o-version): $(inst_slibdir)/$(o:.so=)-$(version).so \
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- $(+force);
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- $$(make-shlib-link)
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-endef
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-object-suffixes-left := $(versioned)
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-include $(o-iterator)
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-
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-define o-iterator-doit
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-$(inst_slibdir)/$(o:.so=)-$(version).so: $(objpfx)$o $(+force);
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+$(inst_slibdir)/$o$($o-version): $(objpfx)$o $(+force);
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$$(do-install-program)
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endef
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object-suffixes-left := $(versioned)
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diff --git a/elf/Makefile b/elf/Makefile
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index 1751f5ec6772eceb..02f634c19241949f 100644
|
||||
--- a/elf/Makefile
|
||||
+++ b/elf/Makefile
|
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@@ -628,20 +628,14 @@ $(objpfx)trusted-dirs.st: Makefile $(..)Makeconfig
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CPPFLAGS-dl-load.c += -I$(objpfx). -I$(csu-objpfx).
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|
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ifeq (yes,$(build-shared))
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-$(inst_slibdir)/$(rtld-version-installed-name): $(objpfx)ld.so $(+force)
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+$(inst_rtlddir)/$(rtld-installed-name): $(objpfx)ld.so $(+force)
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$(make-target-directory)
|
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$(do-install-program)
|
||||
|
||||
-$(inst_rtlddir)/$(rtld-installed-name): \
|
||||
- $(inst_slibdir)/$(rtld-version-installed-name) \
|
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- $(inst_slibdir)/libc-$(version).so
|
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- $(make-target-directory)
|
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- $(make-shlib-link)
|
||||
-
|
||||
# Special target called by parent to install just the dynamic linker.
|
||||
.PHONY: ldso_install
|
||||
ldso_install: $(inst_rtlddir)/$(rtld-installed-name)
|
||||
-endif
|
||||
+endif # $(build-shared)
|
||||
|
||||
|
||||
# Workarounds for ${exec_prefix} expansion in configure variables.
|
||||
30
glibc.spec
30
glibc.spec
|
|
@ -97,7 +97,7 @@
|
|||
Summary: The GNU libc libraries
|
||||
Name: glibc
|
||||
Version: %{glibcversion}
|
||||
Release: 14%{?dist}
|
||||
Release: 15%{?dist}
|
||||
|
||||
# In general, GPLv2+ is used by programs, LGPLv2+ is used for
|
||||
# libraries.
|
||||
|
|
@ -141,13 +141,13 @@ Source12: ChangeLog.old
|
|||
# the definition of __debug_install_post.
|
||||
%{lua:
|
||||
local wrapper = rpm.expand("%{SOURCE10}")
|
||||
local ldso = rpm.expand("%{glibc_sysroot}/%{_lib}/ld-%{VERSION}.so")
|
||||
local sysroot = rpm.expand("%{glibc_sysroot}")
|
||||
local original = rpm.expand("%{macrobody:__debug_install_post}")
|
||||
-- Strip leading newline. It confuses the macro redefinition.
|
||||
-- Avoid embedded newlines that confuse the macro definition.
|
||||
original = original:match("^%s*(.-)%s*$"):gsub("\\\n", "")
|
||||
rpm.define("__debug_install_post bash " .. wrapper
|
||||
.. " " .. ldso .. " " .. original)
|
||||
.. " " .. sysroot .. " " .. original)
|
||||
}
|
||||
|
||||
##############################################################################
|
||||
|
|
@ -171,6 +171,10 @@ Patch30: glibc-deprecated-selinux-makedb.patch
|
|||
Patch31: glibc-deprecated-selinux-nscd.patch
|
||||
Patch32: glibc-gconv-modules-revert.patch
|
||||
Patch33: glibc-rh697421.patch
|
||||
Patch34: glibc-nosymlink-1.patch
|
||||
Patch35: glibc-nosymlink-2.patch
|
||||
Patch36: glibc-nosymlink-3.patch
|
||||
Patch37: glibc-nosymlink-4.patch
|
||||
|
||||
##############################################################################
|
||||
# Continued list of core "glibc" package information:
|
||||
|
|
@ -1759,7 +1763,7 @@ EOF
|
|||
# Move the NSS-related files to the NSS subpackages. Be careful not
|
||||
# to pick up .debug files, and the -devel symbolic links.
|
||||
for module in db hesiod; do
|
||||
grep -E "/libnss_$module(\.so\.[0-9.]+|-[0-9.]+\.so)$" \
|
||||
grep -E "/libnss_$module\\.so\\.[0-9.]+\$" \
|
||||
master.filelist > nss_$module.filelist
|
||||
done
|
||||
grep -E "%{_prefix}/bin/makedb$" master.filelist >> nss_db.filelist
|
||||
|
|
@ -1777,7 +1781,7 @@ grep '/libnss_[a-z]*\.so$' master.filelist > nss-devel.filelist
|
|||
###############################################################################
|
||||
|
||||
# Prepare the libnsl-related file lists.
|
||||
grep '/libnsl-[0-9.]*.so$' master.filelist > libnsl.filelist
|
||||
grep -E '/libnsl\.so\.[0-9]+$' master.filelist > libnsl.filelist
|
||||
test $(wc -l < libnsl.filelist) -eq 1
|
||||
|
||||
%if %{with benchtests}
|
||||
|
|
@ -1870,8 +1874,10 @@ echo ====================PLT RELOCS END==================
|
|||
|
||||
# Obtain a way to run the dynamic loader. Avoid matching the symbolic
|
||||
# link and then pick the first loader (although there should be only
|
||||
# one).
|
||||
run_ldso="$(find %{glibc_sysroot}/%{_lib}/ld-*.so -type f | LC_ALL=C sort | head -n1) --library-path %{glibc_sysroot}/%{_lib}"
|
||||
# one). See wrap-find-debuginfo.sh.
|
||||
ldso_path="$(find %{glibc_sysroot}/ -regextype posix-extended \
|
||||
-regex '.*/ld(-.*|64|)\.so\.[0-9]+$' -type f | LC_ALL=C sort | head -n1)"
|
||||
run_ldso="$ldso_path --library-path %{glibc_sysroot}/%{_lib}"
|
||||
|
||||
# Show the auxiliary vector as seen by the new library
|
||||
# (even if we do not perform the valgrind test).
|
||||
|
|
@ -1937,12 +1943,17 @@ install_libs = { "anl", "BrokenLocale", "c", "dl", "m", "mvec",
|
|||
|
||||
-- We are going to remove these libraries. Generally speaking we remove
|
||||
-- all core libraries in the multilib directory.
|
||||
-- We employ a tight match where X.Y is in [2.0,9.9*], so we would
|
||||
-- For the versioned install names, the version are [2.0,9.9*], so we
|
||||
-- match "libc-2.0.so" and so on up to "libc-9.9*".
|
||||
-- For the unversioned install names, we match the library plus ".so."
|
||||
-- followed by digests.
|
||||
remove_regexps = {}
|
||||
for i = 1, #install_libs do
|
||||
-- Versioned install name.
|
||||
remove_regexps[i] = ("lib" .. install_libs[i]
|
||||
.. "%%-[2-9]%%.[0-9]+%%.so$")
|
||||
-- Unversioned install name.
|
||||
remove_regexps[i] = ("lib" .. install_libs[i] .. "%%.so%.[0-9]+$")
|
||||
end
|
||||
|
||||
-- Two exceptions:
|
||||
|
|
@ -2175,6 +2186,9 @@ fi
|
|||
%files -f compat-libpthread-nonshared.filelist -n compat-libpthread-nonshared
|
||||
|
||||
%changelog
|
||||
* Tue Jun 15 2021 Florian Weimer <fweimer@redhat.com> - 2.33.9000-15
|
||||
- Install shared objects under their ABI names, avoiding symlinks (#1652867)
|
||||
|
||||
* Mon Jun 14 2021 Siddhesh Poyarekar <siddhesh@redhat.com> - 2.33.9000-14
|
||||
- Add a conditional dependency for glibc-gconv-extra.i686 in x86_64.
|
||||
|
||||
|
|
|
|||
|
|
@ -2,11 +2,12 @@
|
|||
# Wrapper script for find-debuginfo.sh
|
||||
#
|
||||
# Usage:
|
||||
# wrap-find-debuginfo.sh LDSO-PATH SCRIPT-PATH SCRIPT-ARGS...
|
||||
# wrap-find-debuginfo.sh SYSROOT-PATH SCRIPT-PATH SCRIPT-ARGS...
|
||||
#
|
||||
# The wrapper saves the original versions of the file at LDSO-PATH,
|
||||
# The wrapper saves the original version of ld.so found in SYSROOT-PATH,
|
||||
# invokes SCRIPT-PATH with SCRIPT-ARGS, and then restores the
|
||||
# LDSO-PATH file. As a result, LDSO-PATH has unchanged debuginfo even
|
||||
# LDSO-PATH file, followed by note merging and DWZ compression.
|
||||
# As a result, ld.so has (mostly) unchanged debuginfo even
|
||||
# after debuginfo extraction.
|
||||
|
||||
set -ex
|
||||
|
|
@ -25,11 +26,23 @@ cleanup () {
|
|||
}
|
||||
trap cleanup 0
|
||||
|
||||
ldso_path="$1"
|
||||
sysroot_path="$1"
|
||||
shift
|
||||
script_path="$1"
|
||||
shift
|
||||
|
||||
# See ldso_path setting in glibc.spec.
|
||||
ldso_path=
|
||||
for ldso_candidate in `find "$sysroot_path" -regextype posix-extended \
|
||||
-regex '.*/ld(-.*|64|)\.so\.[0-9]+$' -type f` ; do
|
||||
if test -z "$ldso_path" ; then
|
||||
ldso_path="$ldso_candidate"
|
||||
else
|
||||
echo "error: multiple ld.so candidates: $ldso_path, $ldso_candidate"
|
||||
exit 1
|
||||
fi
|
||||
done
|
||||
|
||||
# Preserve the original file.
|
||||
cp "$ldso_path" "$ldso_tmp"
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue