From 015c30cac9dffe6e53a7f3bedc22e462c54150ed Mon Sep 17 00:00:00 2001 From: Bruno Haible Date: Sat, 23 Feb 2019 21:24:14 +0100 Subject: [PATCH] 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. --- ChangeLog | 6 ++++++ m4/relocatable.m4 | 18 +++++++++++++----- 2 files changed, 19 insertions(+), 5 deletions(-) diff --git a/ChangeLog b/ChangeLog index a736765ad3..afb48b425d 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2019-02-23 Bruno Haible + + relocatable-prog: Use $ORIGIN trick also on GNU/Hurd. + * m4/relocatable.m4 (gl_RELOCATABLE_BODY): Use $ORIGIN trick also on + Hurd with glibc >= 2.27. + 2019-02-21 Paul Eggert nstrftime: merge glibc strftime changes diff --git a/m4/relocatable.m4 b/m4/relocatable.m4 index 00444777fc..faa23f2460 100644 --- a/m4/relocatable.m4 +++ b/m4/relocatable.m4 @@ -1,4 +1,4 @@ -# relocatable.m4 serial 20 +# relocatable.m4 serial 21 dnl Copyright (C) 2003, 2005-2007, 2009-2019 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -40,16 +40,24 @@ AC_DEFUN([gl_RELOCATABLE_BODY], enable_rpath=no AC_CHECK_HEADERS([mach-o/dyld.h]) AC_CHECK_FUNCS([_NSGetExecutablePath]) -changequote(,)dnl case "$host_os" in mingw*) is_noop=yes ;; # For the platforms that support $ORIGIN, see # . # glibc systems, Linux with musl libc: yes. Android: no. - # Hurd: no . linux*-android*) ;; - gnu*) ;; linux* | kfreebsd*) use_elf_origin_trick=yes ;; + # Hurd: + # only after the glibc commit from 2018-01-08 + # + 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].*) ;; @@ -66,8 +74,8 @@ changequote(,)dnl 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]) -- 2.39.5