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Fix ppc64le build with gcc 10

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This commit is contained in:
Mattias Ellert 2020-02-07 08:21:16 +01:00
parent 0423446cf2
commit fab53c25cd
2 changed files with 40 additions and 1 deletions
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31
xxhash-gcc10-altivec.patch Normal file
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@ -0,0 +1,31 @@
From 3e3f5f7c2f0782ea190d30bba04d274babeec04f Mon Sep 17 00:00:00 2001
From: Mattias Ellert <mattias.ellert@physics.uu.se>
Date: Fri, 7 Feb 2020 07:38:48 +0100
Subject: [PATCH] Fix build with gcc 10 on ppc64le
When gcc was updated to version 10 in Fedora the build of the xxhash
package started failing. The compilation succeeds, but the checks
trigger an error. This change, suggested by the maintainers of the gcc
package in Fedora, addresses the issue. F0r details see:
https://bugzilla.redhat.com/show_bug.cgi?id=1798908
---
xxh3.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xxh3.h b/xxh3.h
index a3a81bc..3fa6c1f 100644
--- a/xxh3.h
+++ b/xxh3.h
@@ -219,7 +219,7 @@ XXH_FORCE_INLINE U64x2 XXH_vec_revb(U64x2 val)
* Additionally, the intrinsic wasn't added until GCC 8, despite existing for a while.
* Clang has an easy way to control this, we can just use the builtin which doesn't swap.
* GCC needs inline assembly. */
-#if __has_builtin(__builtin_altivec_vmuleuw)
+#if defined(__clang__) && __has_builtin(__builtin_altivec_vmuleuw)
# define XXH_vec_mulo __builtin_altivec_vmulouw
# define XXH_vec_mule __builtin_altivec_vmuleuw
#else
--
2.24.1

10
xxhash.spec
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@ -1,6 +1,6 @@
Name: xxhash
Version: 0.7.2
Release: 2%{?dist}
Release: 3%{?dist}
Summary: Extremely fast hash algorithm
# The source for the library (xxhash.c and xxhash.h) is BSD
@ -8,6 +8,10 @@ Summary: Extremely fast hash algorithm
License: BSD and GPLv2+
URL: http://www.xxhash.com/
Source0: https://github.com/Cyan4973/xxHash/archive/v%{version}/%{name}-%{version}.tar.gz
# Fix ppc64le build with gcc 10
# https://bugzilla.redhat.com/show_bug.cgi?id=1798908
# https://github.com/Cyan4973/xxHash/pull/297
Patch0: %{name}-gcc10-altivec.patch
BuildRequires: gcc
@ -39,6 +43,7 @@ Development files for the xxhash library
%prep
%setup -q -n xxHash-%{version}
%patch0 -p1
%build
make %{?_smp_mflags} CFLAGS="%{optflags}" MOREFLAGS="%{?__global_ldflags} -fPIC"
@ -69,6 +74,9 @@ make test-xxhsum-c
%{_libdir}/libxxhash.so
%changelog
* Fri Feb 07 2020 Mattias Ellert <mattias.ellert@physics.uu.se> - 0.7.2-3
- Fix ppc64le build with gcc 10
* Fri Jan 31 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.7.2-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild