# list is processed, with earlier entries taking precedence over later
# entries. So loose patterns at the end of the list can give defaults.
-# Configuration Library versions
-# ------------- ------- --------
+# This file can use cpp-style conditionals starting with % instead of #
+# to test the symbols defined in config.h by configure.
-# The interface to -lm depends only on cpu, not on operating system.
-i?86-*-* libm=6
-m68k-*-* libm=6
+# In the optional third column, there can one or more symbol set names
+# listed, which must be in ascending version order reading left to right
+# and must appear in this same order in the Versions.def file. Each listed
+# version subsumes all prior versions back to the previous listed version.
+#
+# An entry with DEFAULT in the second column gives a default third column
+# to apply on matching configurations when the matching entry for a particular
+# library has no third column. The defaults must precede the entries they
+# apply to.
+#
+# Configuration DEFAULT Earliest symbol set
+# ------------- --------------- ------------------------------
-# We provide libc.so.6 for Linux kernel versions 1.3.95 and later.
-i?86-*-linux* libc=6
-m68k-*-linux* libc=6
+s390x-.*-linux.* DEFAULT GLIBC_2.2
+powerpc64-.*-linux.* DEFAULT GLIBC_2.3
+powerpc.*le-.*-linux.* DEFAULT GLIBC_2.17
+.*-.*-gnu-gnu.* DEFAULT GLIBC_2.2.6
+
+# Configuration ABI Identifier for ABI data files
+# ------------- ---------- -----------------------------
+sparc64.*-.*-.* ABI sparc64-@OS@
+sparc.*-.*-.* ABI sparc-@OS@
+
+# Configuration Library=version Earliest symbol set (optional)
+# ------------- --------------- ------------------------------
+
+# The interface to -lm depends mostly only on cpu, not on operating system.
+sparc64.*-.*-linux.* libm=6 GLIBC_2.2
+sh.*-.*-linux.* libm=6 GLIBC_2.2
+.*-.*-linux.* libm=6
+.*-.*-gnu-gnu.* libm=6
+
+# We provide libc.so.6 for Linux kernel versions 2.0 and later.
+sh.*-.*-linux.* libc=6 GLIBC_2.2
+sparc64.*-.*-linux.* libc=6 GLIBC_2.2
+.*-.*-linux.* libc=6
# libmachuser.so.1 corresponds to mach/*.defs as of Utah's UK22 release.
-*-*-gnu* libmachuser=1
+.*-.*-gnu-gnu.* libmachuser=1
-# libhurduser.so.0.0 corresponds to hurd/*.defs as of 7 May 1996.
-*-*-gnu* libhurduser=0.0
+# libhurduser.so.0.3 corresponds to hurd/*.defs as of 11 June 2002.
+.*-.*-gnu-gnu.* libhurduser=0.3
+
+# libc.so.0.3 is the first Hurd libc using libio.
+.*-.*-gnu-gnu.* libc=0.3
+
+# The dynamic loader also requires different names.
+sparc64.*-.*-linux.* ld=ld-linux.so.2 GLIBC_2.2
+sparc.*-.*-linux.* ld=ld-linux.so.2
+sh.*-.*-linux.* ld=ld-linux.so.2 GLIBC_2.2
+# We use the ELF ABI standard name for the default.
+.*-.*-.* ld=ld.so.1
# The -ldl interface (see <dlfcn.h>) is the same on all platforms.
-*-*-* libdl=2
+.*-.*-.* libdl=2
+
+# So far the -lutil interface is the same on all platforms, except for the
+# `struct utmp' format, which depends on libc.
+.*-.*-.* libutil=1
+
+# Version number 2 is used on other systems for the BIND 4.9.5 resolver
+# interface.
+.*-.*-.* libresolv=2
+
+# Interface revision of nss_* modules. This must match NSS_SHLIB_REVISION
+# in nss/nsswitch.h, which determines the library names used for service
+# names given in /etc/nsswitch.conf.
+.*-.*-.* libnss_files=2
+.*-.*-.* libnss_dns=2
+.*-.*-.* libnss_compat=2
+.*-.*-.* libnss_nis=2
+.*-.*-.* libnss_nisplus=2
+.*-.*-.* libnss_ldap=2
+.*-.*-.* libnss_hesiod=2
+.*-.*-.* libnss_db=2
+
+# Tests for NSS. They must have the same NSS_SHLIB_REVISION number as
+# the rest.
+.*-.*-.* libnss_test1=2
+
+# Version for libnsl with YP and NIS+ functions.
+.*-.*-.* libnsl=1
+
+# This defines the shared library version numbers we will install.
+.*-.*-.* libcrypt=1
+
+# The gross patch for programs assuming broken locale implementations.
+sh.*-.*-.* libBrokenLocale=1 GLIBC_2.2
+sparc64.*-.*-.* libBrokenLocale=1 GLIBC_2.2
+.*-.*-.* libBrokenLocale=1
+
+# The real-time library from POSIX.1b.
+.*-.*-.* librt=1
+
+# The asynchronous name lookup library.
+.*-.*-.* libanl=1
+
+# This defines the libgcc soname version this glibc is to load for
+# asynchronous cancellation to work correctly.
+.*-.*-.* libgcc_s=1
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