+2019-02-23 Bruno Haible <bruno@clisp.org>
+
+ relocatable-prog: Use $ORIGIN trick also on GNU/Hurd.
+ * m4/relocatable.m4 (gl_RELOCATABLE_BODY): Use $ORIGIN trick also on
+ Hurd with glibc >= 2.27.
+
2019-02-21 Paul Eggert <eggert@cs.ucla.edu>
nstrftime: merge glibc strftime changes
-# relocatable.m4 serial 20
+# relocatable.m4 serial 21
dnl Copyright (C) 2003, 2005-2007, 2009-2019 Free Software Foundation, Inc.
dnl This file is free software; the Free Software Foundation
dnl gives unlimited permission to copy and/or distribute it,
enable_rpath=no
AC_CHECK_HEADERS([mach-o/dyld.h])
AC_CHECK_FUNCS([_NSGetExecutablePath])
-changequote(,)dnl
case "$host_os" in
mingw*) is_noop=yes ;;
# For the platforms that support $ORIGIN, see
# <https://lekensteyn.nl/rpath.html>.
# glibc systems, Linux with musl libc: yes. Android: no.
- # Hurd: no <http://lists.gnu.org/archive/html/bug-hurd/2019-02/msg00049.html>.
linux*-android*) ;;
- gnu*) ;;
linux* | kfreebsd*) use_elf_origin_trick=yes ;;
+ # Hurd: <http://lists.gnu.org/archive/html/bug-hurd/2019-02/msg00049.html>
+ # only after the glibc commit from 2018-01-08
+ # <https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=311ba8dc4416467947eff2ab327854f124226309>
+ gnu*)
+ # Test for a glibc version >= 2.27.
+ AC_CHECK_FUNCS([copy_file_range])
+ if test $ac_cv_func_copy_file_range = yes; then
+ use_elf_origin_trick=yes
+ fi
+ ;;
+changequote(,)dnl
# FreeBSD >= 7.3, DragonFly >= 3.0: yes.
freebsd | freebsd[1-7] | freebsd[1-6].* | freebsd7.[0-2]) ;;
dragonfly | dragonfly[1-2] | dragonfly[1-2].*) ;;
solaris*) use_elf_origin_trick=yes ;;
# Haiku: yes.
haiku*) use_elf_origin_trick=yes ;;
- esac
changequote([,])dnl
+ esac
if test $is_noop = yes; then
RELOCATABLE_LDFLAGS=:
AC_SUBST([RELOCATABLE_LDFLAGS])