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- Fix ocaml linker error due to unresolved 'rpl_free'. For

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comparison, see libguestfs commit 489b14b75e.
  fix-linker-error.patch

OBS-URL: https://build.opensuse.org/package/show/Virtualization/virt-v2v?expand=0&rev=15
This commit is contained in:
Charles Arnold 2021-09-16 18:09:07 +00:00 committed by Git OBS Bridge
parent 28b1942ad2
commit 60115e0f0c
3 changed files with 99 additions and 1 deletions
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90
fix-linker-error.patch Normal file
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@ -0,0 +1,90 @@
Resolves the following error.
Similar to libguestfs commit 489b14b75e5f30010d8a8c8d3a10ecc52b629563
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: /usr/lib64/ocaml/guestfs/libmlguestfs.a(libguestfsocaml_a-guestfs-c.o): in function `guestfs_finalize':
/home/abuild/rpmbuild/BUILD/libguestfs-1.44.2/ocaml/guestfs-c.c:86: undefined reference to `rpl_free'
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: /home/abuild/rpmbuild/BUILD/libguestfs-1.44.2/ocaml/guestfs-c.c:88: undefined reference to `rpl_free'
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: /usr/lib64/ocaml/guestfs/libmlguestfs.a(libguestfsocaml_a-guestfs-c.o): in function `guestfs_int_ocaml_set_event_callback':
/home/abuild/rpmbuild/BUILD/libguestfs-1.44.2/ocaml/guestfs-c.c:239: undefined reference to `rpl_free'
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: /usr/lib64/ocaml/guestfs/libmlguestfs.a(libguestfsocaml_a-guestfs-c.o): in function `guestfs_int_ocaml_delete_event_callback':
/home/abuild/rpmbuild/BUILD/libguestfs-1.44.2/ocaml/guestfs-c.c:266: undefined reference to `rpl_free'
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: /usr/lib64/ocaml/guestfs/libmlguestfs.a(libguestfsocaml_a-guestfs-c.o): in function `guestfs_int_ocaml_event_to_string':
/home/abuild/rpmbuild/BUILD/libguestfs-1.44.2/ocaml/guestfs-c.c:290: undefined reference to `rpl_free'
/usr/lib64/gcc/x86_64-suse-linux/7/../../../../x86_64-suse-linux/bin/ld: /usr/lib64/ocaml/guestfs/libmlguestfs.a(libguestfsocaml_a-guestfs-c-actions.o):/home/abuild/rpmbuild/BUILD/libguestfs-1.44.2/ocaml/guestfs-c-actions.c:1188: more undefined references to `rpl_free' follow
collect2: error: ld returned 1 exit status
File "caml_startup", line 1:
Error: Error during linking
Index: virt-v2v-1.44.0/gnulib/lib/free.c
===================================================================
--- /dev/null
+++ virt-v2v-1.44.0/gnulib/lib/free.c
@@ -0,0 +1,53 @@
+/* Make free() preserve errno.
+
+ Copyright (C) 2003, 2006, 2009-2021 Free Software Foundation, Inc.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* written by Paul Eggert */
+
+#include <config.h>
+
+/* Specification. */
+#include <stdlib.h>
+
+/* A function definition is only needed if HAVE_FREE_POSIX is not defined. */
+#if !HAVE_FREE_POSIX
+
+# include <errno.h>
+
+void
+rpl_free (void *p)
+# undef free
+{
+# if defined __GNUC__ && !defined __clang__
+ /* An invalid GCC optimization
+ <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98396>
+ would optimize away the assignments in the code below, when link-time
+ optimization (LTO) is enabled. Make the code more complicated, so that
+ GCC does not grok how to optimize it. */
+ int err[2];
+ err[0] = errno;
+ err[1] = errno;
+ errno = 0;
+ free (p);
+ errno = err[errno == 0];
+# else
+ int err = errno;
+ free (p);
+ errno = err;
+# endif
+}
+
+#endif
Index: virt-v2v-1.44.0/gnulib/lib/Makefile.am
===================================================================
--- virt-v2v-1.44.0.orig/gnulib/lib/Makefile.am
+++ virt-v2v-1.44.0/gnulib/lib/Makefile.am
@@ -35,7 +35,8 @@ libgnu_la_SOURCES = \
xstrtoll.c \
xstrtoul.c \
xstrtoull.c \
- xstrtoumax.c
+ xstrtoumax.c \
+ free.c
libutils_la_CFLAGS = \
$(WARN_CFLAGS) $(WERROR_CFLAGS) \
$(GCC_VISIBILITY_HIDDEN)

7
virt-v2v.changes
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@ -1,3 +1,10 @@
-------------------------------------------------------------------
Thu Sep 16 11:58:59 MDT 2021 - carnold@suse.com
- Fix ocaml linker error due to unresolved 'rpl_free'. For
comparison, see libguestfs commit 489b14b75e.
fix-linker-error.patch
-------------------------------------------------------------------
Fri May 7 14:34:45 MDT 2021 - carnold@suse.com

3
virt-v2v.spec
View File

@ -18,7 +18,7 @@
# If there are patches which touch autotools files, set this to 1.
%global patches_touch_autotools %{nil}
%global patches_touch_autotools 1
# The source directory.
%global source_directory 1.44-stable
Name: virt-v2v
@ -28,6 +28,7 @@ Summary: Tools to convert a virtual machine to run on KVM
License: GPL-2.0-or-later
Group: System/Management
URL: https://github.com/libguestfs/virt-v2v
Patch0: fix-linker-error.patch
Source0: https://download.libguestfs.org/virt-v2v/%{source_directory}/%{name}-%{version}.tar.gz
Source1: https://download.libguestfs.org/virt-v2v/%{source_directory}/%{name}-%{version}.tar.gz.sig
BuildRequires: augeas-devel