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Remove support for removing glibc 2.0 headers.

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There is a configure test for the presence of glibc 2.0 headers (that
were renamed / no longer installed in glibc 2.1) and associated
support for removing them on "make install".

Normal practice for subsequent removal / renaming of installed files
has been not to do anything special about removing them; if you want
installed files from an old installation removed reliably, you need to
use a packaging system that tracks what files were installed by a
previous glibc package (via installing in an intermediate directory
with install_root).  I think it's been long enough since 2.0 that it's
not particularly useful to have that special logic for those old
headers either; this patch removes it.

Tested for x86_64 and x86 (testsuite, and that installed shared
libraries are unchanged by the patch).

	* configure.ac (old_glibc_headers): Remove configure test.
	* configure: Regenerated.
	* config.make.in (old-glibc-headers): Remove variable.
	* Makefile [!$(install_root) && $(old-glibc-headers) = yes]
	(install): Remove dependency on remove-old-headers.
	(headers2_0): Remove variable.
	(remove-old-headers): Remove rule.
This commit is contained in:
Joseph Myers 2015-10-26 22:46:04 +00:00
parent 8c0c01dbe7
commit f5659917f9
5 changed files with 8 additions and 65 deletions
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8
ChangeLog
View File

@ -1,5 +1,13 @@
2015-10-26 Joseph Myers <joseph@codesourcery.com>
* configure.ac (old_glibc_headers): Remove configure test.
* configure: Regenerated.
* config.make.in (old-glibc-headers): Remove variable.
* Makefile [!$(install_root) && $(old-glibc-headers) = yes]
(install): Remove dependency on remove-old-headers.
(headers2_0): Remove variable.
(remove-old-headers): Remove rule.
* configure.ac (libc_cv_dot_text): Remove configure test.
(libc_cv_asm_set_directive): Use .text instead of
${libc_cv_dot_text} in configure test.

27
Makefile
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@ -418,30 +418,3 @@ FORCE:
iconvdata/% localedata/% po/%: FORCE
$(MAKE) $(PARALLELMFLAGS) -C $(@D) $(@F)
# glibc 2.0 contains some header files which aren't used with glibc 2.1
# anymore.
# These rules should remove those headers
ifeq (,$(install_root))
ifeq ($(old-glibc-headers),yes)
install: remove-old-headers
endif
endif
headers2_0 := __math.h bytesex.h confname.h direntry.h elfclass.h \
errnos.h fcntlbits.h huge_val.h ioctl-types.h \
ioctls.h iovec.h jmp_buf.h libc-lock.h local_lim.h \
mathcalls.h mpool.h nan.h ndbm.h posix1_lim.h \
posix2_lim.h posix_opt.h resourcebits.h schedbits.h \
selectbits.h semaphorebits.h sigaction.h sigcontext.h \
signum.h sigset.h sockaddrcom.h socketbits.h stab.def \
statbuf.h statfsbuf.h stdio-lock.h stdio_lim.h \
syscall-list.h termbits.h timebits.h ustatbits.h \
utmpbits.h utsnamelen.h waitflags.h waitstatus.h \
xopen_lim.h gnu/types.h sys/ipc_buf.h \
sys/kernel_termios.h sys/msq_buf.h sys/sem_buf.h \
sys/shm_buf.h sys/socketcall.h sigstack.h
.PHONY: remove-old-headers
remove-old-headers:
rm -f $(addprefix $(inst_includedir)/, $(headers2_0))

1
config.make.in
View File

@ -52,7 +52,6 @@ have-z-execstack = @libc_cv_z_execstack@
have-protected-data = @libc_cv_protected_data@
with-fp = @with_fp@
enable-timezone-tools = @enable_timezone_tools@
old-glibc-headers = @old_glibc_headers@
unwind-find-fde = @libc_cv_gcc_unwind_find_fde@
have-forced-unwind = @libc_cv_forced_unwind@
have-fpie = @libc_cv_fpie@

21
configure vendored
View File

@ -607,7 +607,6 @@ libc_cv_sysconfdir
libc_cv_localedir
libc_cv_rtlddir
libc_cv_slibdir
old_glibc_headers
use_nscd
libc_cv_gcc_unwind_find_fde
libc_extra_cppflags
@ -6791,26 +6790,6 @@ if test "x$build_nscd" = xdefault; then
build_nscd=$use_nscd
fi
# Test for old glibc 2.0.x headers so that they can be removed properly
# Search only in includedir.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for old glibc 2.0.x headers" >&5
$as_echo_n "checking for old glibc 2.0.x headers... " >&6; }
if eval test -f "${includedir}/elfclass.h" -a -f "${includedir}/fcntlbits.h"
then
old_glibc_headers=yes
else
old_glibc_headers=no
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $old_glibc_headers" >&5
$as_echo "$old_glibc_headers" >&6; }
if test ${old_glibc_headers} = yes; then
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** During \"make install\" old headers from glibc 2.0.x will" >&5
$as_echo "$as_me: WARNING: *** During \"make install\" old headers from glibc 2.0.x will" >&2;}
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: *** be removed." >&5
$as_echo "$as_me: WARNING: *** be removed." >&2;}
fi

16
configure.ac
View File

@ -1899,22 +1899,6 @@ if test "x$build_nscd" = xdefault; then
build_nscd=$use_nscd
fi
# Test for old glibc 2.0.x headers so that they can be removed properly
# Search only in includedir.
AC_MSG_CHECKING(for old glibc 2.0.x headers)
if eval test -f "${includedir}/elfclass.h" -a -f "${includedir}/fcntlbits.h"
then
old_glibc_headers=yes
else
old_glibc_headers=no
fi
AC_MSG_RESULT($old_glibc_headers)
if test ${old_glibc_headers} = yes; then
AC_MSG_WARN(*** During \"make install\" old headers from glibc 2.0.x will)
AC_MSG_WARN(*** be removed.)
fi
AC_SUBST(old_glibc_headers)
AC_SUBST(libc_cv_slibdir)
AC_SUBST(libc_cv_rtlddir)
AC_SUBST(libc_cv_localedir)