From patchwork Tue Sep 16 17:06:46 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Myers X-Patchwork-Id: 2864 Received: (qmail 28985 invoked by alias); 16 Sep 2014 17:06:57 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 28928 invoked by uid 89); 16 Sep 2014 17:06:55 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL, BAYES_00 autolearn=ham version=3.3.2 X-HELO: relay1.mentorg.com Date: Tue, 16 Sep 2014 17:06:46 +0000 From: "Joseph S. Myers" To: Subject: Remove bitrotten --enable-oldest-abi (bug 6652) Message-ID: MIME-Version: 1.0 This patch removes the --enable-oldest-abi configure option, which has long been bitrotten (as reported in bug 6652). The principle of removing this option was agreed in the thread starting at . Tested for x86_64 and x86 that the installed shared libraries other than libc.so are unchanged by this patch and that libc.so disassembly and symbol versions are unchanged (debug info changes because of changed line numbers in csu/version.c). (This patch is independent of my other pending shlib-versions-related cleanup .) 2014-09-16 Joseph Myers [BZ #6652] * Makeconfig (soversions-default-setname): Remove variable. ($(common-objpfx)soversions.i): Don't pass default_setname to soversions.awk. * Makerules ($(common-objpfx)abi-versions.h): Don't pass oldest_abi to abi-versions.awk. * config.h.in (GLIBC_OLDEST_ABI): Remove macro undefine. * config.make.in (oldest-abi): Remove variable. * configure.ac (--enable-oldest-abi): Remove configure option. * configure: Regenerated. * csu/version.c (banner) [GLIBC_OLDEST_ABI]: Remove conditional text. * scripts/abi-versions.awk: Do not handle oldest_abi variable. * scripts/soversions.awk: Do not handle default_setname variable. * sysdeps/mach/hurd/configure.ac: Do not handle oldest_abi variable. * sysdeps/mach/hurd/configure: Regenerated. * sysdeps/unix/sysv/linux/configure.ac: Do not handle oldest_abi variable. * sysdeps/unix/sysv/linux/configure: Regenerated. diff --git a/Makeconfig b/Makeconfig index 0780788..fad2971 100644 --- a/Makeconfig +++ b/Makeconfig @@ -958,13 +958,9 @@ $(common-objpfx)shlib-versions.v.i: \ $(subdir-srcdirs:=/shlib-versions)) \ $(..)shlib-versions -soversions-default-setname = $(patsubst %, %,\ - $(filter-out %_default,\ - $(oldest-abi:%=GLIBC_%))) $(common-objpfx)soversions.i: $(..)scripts/soversions.awk \ $(common-objpfx)shlib-versions.v - $(AWK) -v default_setname='$(soversions-default-setname)' \ - -f $^ > $@T + $(AWK) -f $^ > $@T mv -f $@T $@ $(common-objpfx)soversions.mk: $(common-objpfx)soversions.i $(..)Makeconfig (while read which lib number setname; do \ diff --git a/Makerules b/Makerules index 6b30e8c..30c83ae 100644 --- a/Makerules +++ b/Makerules @@ -98,7 +98,7 @@ ifndef avoid-generated before-compile := $(common-objpfx)abi-versions.h $(before-compile) $(common-objpfx)abi-versions.h: $(..)scripts/abi-versions.awk \ $(common-objpfx)Versions.all - LC_ALL=C $(AWK) -v oldest_abi=$(oldest-abi) -f $^ > $@T + LC_ALL=C $(AWK) -f $^ > $@T mv -f $@T $@ $(common-objpfx)%.latest: $(common-objpfx)abi-versions.h diff --git a/config.h.in b/config.h.in index fcbe8ad..20c0825 100644 --- a/config.h.in +++ b/config.h.in @@ -54,9 +54,6 @@ directive. */ #undef HAVE_ASM_POPSECTION_DIRECTIVE -/* Defined to the oldest ABI we support, like 2.1. */ -#undef GLIBC_OLDEST_ABI - /* Define if static NSS modules are wanted. */ #undef DO_STATIC_NSS diff --git a/config.make.in b/config.make.in index 6bcab8a..4a781fd 100644 --- a/config.make.in +++ b/config.make.in @@ -68,7 +68,6 @@ output-format = @libc_cv_output_format@ static-libgcc = @libc_cv_gcc_static_libgcc@ -oldest-abi = @oldest_abi@ exceptions = @exceptions@ multi-arch = @multi_arch@ diff --git a/configure b/configure index ff5c730..28f2b44 100755 --- a/configure +++ b/configure @@ -653,7 +653,6 @@ force_install bindnow enable_lock_elision hardcoded_path_in_tests -oldest_abi use_default_link sysheaders with_fp @@ -737,7 +736,6 @@ with_default_link enable_sanity_checks enable_shared enable_profile -enable_oldest_abi enable_hardcoded_path_in_tests enable_stackguard_randomization enable_lock_elision @@ -1390,8 +1388,6 @@ Optional Features: in special situations) [default=yes] --enable-shared build shared library [default=yes if GNU ld] --enable-profile build profiled library [default=no] - --enable-oldest-abi=ABI configure the oldest ABI supported [e.g. 2.2] - [default=glibc default] --enable-hardcoded-path-in-tests hardcode newly built glibc path in tests [default=no] @@ -3432,23 +3428,6 @@ else fi -# Check whether --enable-oldest-abi was given. -if test "${enable_oldest_abi+set}" = set; then : - enableval=$enable_oldest_abi; oldest_abi=$enableval -else - oldest_abi=no -fi - -if test "$oldest_abi" = yes || test "$oldest_abi" = no; then - oldest_abi=default -else - cat >>confdefs.h <<_ACEOF -#define GLIBC_OLDEST_ABI "$oldest_abi" -_ACEOF - -fi - - # Check whether --enable-hardcoded-path-in-tests was given. if test "${enable_hardcoded_path_in_tests+set}" = set; then : enableval=$enable_hardcoded_path_in_tests; hardcoded_path_in_tests=$enableval diff --git a/configure.ac b/configure.ac index 794ffc2..82d0896 100644 --- a/configure.ac +++ b/configure.ac @@ -151,18 +151,6 @@ AC_ARG_ENABLE([profile], [profile=$enableval], [profile=no]) -AC_ARG_ENABLE([oldest-abi], - AC_HELP_STRING([--enable-oldest-abi=ABI], - [configure the oldest ABI supported @<:@e.g. 2.2@:>@ @<:@default=glibc default@:>@]), - [oldest_abi=$enableval], - [oldest_abi=no]) -if test "$oldest_abi" = yes || test "$oldest_abi" = no; then - oldest_abi=default -else - AC_DEFINE_UNQUOTED(GLIBC_OLDEST_ABI, "$oldest_abi") -fi -AC_SUBST(oldest_abi) - AC_ARG_ENABLE([hardcoded-path-in-tests], AC_HELP_STRING([--enable-hardcoded-path-in-tests], [hardcode newly built glibc path in tests @<:@default=no@:>@]), diff --git a/csu/version.c b/csu/version.c index b117b02..4238c2f 100644 --- a/csu/version.c +++ b/csu/version.c @@ -34,9 +34,6 @@ Compiled by GNU CC version "__VERSION__".\n" #ifdef LIBC_ABIS_STRING LIBC_ABIS_STRING #endif -#ifdef GLIBC_OLDEST_ABI -"The oldest ABI supported: " GLIBC_OLDEST_ABI ".\n" -#endif "For bug reporting instructions, please see:\n\ "REPORT_BUGS_TO".\n"; diff --git a/scripts/abi-versions.awk b/scripts/abi-versions.awk index 06fa148..c369793 100644 --- a/scripts/abi-versions.awk +++ b/scripts/abi-versions.awk @@ -1,9 +1,6 @@ # Script to generate header file from Versions.all list. # See include/shlib-compat.h comments for explanation. -# This script expects the following variables to be defined: -# oldest_abi the oldest ABI supported - BEGIN { print "/* This file is automatically generated by abi-versions.awk."; print " It defines symbols used by shlib-compat.h, which see. */"; @@ -31,8 +28,6 @@ $2 == "=" { printf "#define ABI_%s_%s\tABI_%s_%s\n", libid, oldid, libid, newid; printf "#define VERSION_%s_%s\t%s\n", libid, oldid, new; - if ("GLIBC_" oldest_abi == old) - oldest_abi = "default"; next; } @@ -43,10 +38,6 @@ $2 == "=" { printf "#define ABI_%s_%s\t%d\t/* support %s */\n", libid, versid, ++n, vers; printf "#define VERSION_%s_%s\t%s\n", libid, versid, vers; - if ("GLIBC_" oldest_abi == vers) - start = 1; - if (start == 0 && oldest_abi != "default") - --n; next; } diff --git a/scripts/soversions.awk b/scripts/soversions.awk index dbc9059..247f061 100644 --- a/scripts/soversions.awk +++ b/scripts/soversions.awk @@ -27,7 +27,7 @@ END { if (lib in versions) set = versions[lib]; else { - set = default_setname; + set = ""; if (ndefault_set >= 1) set = default_set[1]; } diff --git a/sysdeps/mach/hurd/configure b/sysdeps/mach/hurd/configure index 21999f7..4248758 100644 --- a/sysdeps/mach/hurd/configure +++ b/sysdeps/mach/hurd/configure @@ -3,16 +3,6 @@ $as_echo "#define NO_HIDDEN 1" >>confdefs.h -case "$machine" in - i386*) - # The default oldest ABI is 2.2.6. - # We only need a "yes" here if the oldest ABI supported will be < 2.2.6. - if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then - libc_cv_gcc_unwind_find_fde=yes - fi - ;; -esac - { $as_echo "$as_me:${as_lineno-$LINENO}: checking Hurd header version" >&5 $as_echo_n "checking Hurd header version... " >&6; } diff --git a/sysdeps/mach/hurd/configure.ac b/sysdeps/mach/hurd/configure.ac index 40b0743..b1f16a5 100644 --- a/sysdeps/mach/hurd/configure.ac +++ b/sysdeps/mach/hurd/configure.ac @@ -3,16 +3,6 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory. dnl We need this setting because of the need for PLT calls in ld.so. AC_DEFINE([NO_HIDDEN]) -case "$machine" in - i386*) - # The default oldest ABI is 2.2.6. - # We only need a "yes" here if the oldest ABI supported will be < 2.2.6. - if test "$oldest_abi" != default && test "$oldest_abi" \< "2.2.6"; then - libc_cv_gcc_unwind_find_fde=yes - fi - ;; -esac - AC_CACHE_CHECK(Hurd header version, libc_cv_hurd_version, [dnl AC_TRY_COMPILE(dnl [#include ], [ diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure index 7825ff6..ef9d425 100644 --- a/sysdeps/unix/sysv/linux/configure +++ b/sysdeps/unix/sysv/linux/configure @@ -148,12 +148,6 @@ fi -# The result of the above test for the use of the FDE code is invalid if -# the user overrides the decision about the minimum ABI. -if test "$oldest_abi" != default && test "2.2.4" \< "$oldest_abi"; then - libc_cv_gcc_unwind_find_fde=no -fi - if test -n "$sysheaders"; then CPPFLAGS=$OLD_CPPFLAGS fi diff --git a/sysdeps/unix/sysv/linux/configure.ac b/sysdeps/unix/sysv/linux/configure.ac index f207c26..6738e2d 100644 --- a/sysdeps/unix/sysv/linux/configure.ac +++ b/sysdeps/unix/sysv/linux/configure.ac @@ -71,12 +71,6 @@ AC_CHECK_HEADER(linux/fanotify.h, [AC_DEFINE(HAVE_LINUX_FANOTIFY_H)], , [/* No default includes. */]) -# The result of the above test for the use of the FDE code is invalid if -# the user overrides the decision about the minimum ABI. -if test "$oldest_abi" != default && test "2.2.4" \< "$oldest_abi"; then - libc_cv_gcc_unwind_find_fde=no -fi - if test -n "$sysheaders"; then CPPFLAGS=$OLD_CPPFLAGS fi