[packages/zstd] on %{arm} prefer memory access compatibility over performance

[atler]

commit f3c32c66a51b6e2fa450b45ff5a9827e123da2ea
Author: Jan Palus <atler at pld-linux.org>
Date:   Sat Jan 30 15:19:09 2021 +0100

    on %{arm} prefer memory access compatibility over performance
    
    binary built for armv6 crashes with bus error if ran on armv8.
    check lib/common/mem.h for more info

 zstd.spec | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/zstd.spec b/zstd.spec
index c58ffbd..6ebe717 100644
--- a/zstd.spec
+++ b/zstd.spec
@@ -12,6 +12,10 @@ URL:		https://github.com/facebook/zstd
 BuildRequires:	gcc >= 5:3.2
 BuildRoot:	%{tmpdir}/%{name}-%{version}-root-%(id -u -n)
 
+%ifarch %{arm}
+%define		archcflags	-DMEM_FORCE_MEMORY_ACCESS=1
+%endif
+
 %description
 Zstd, short for Zstandard, is a fast lossless compression algorithm,
 targeting real-time compression scenarios at zlib-level compression
@@ -52,7 +56,7 @@ Statyczna biblioteka Zstd.
 %build
 CC="%{__cc}" \
 CXX="%{__cxx}" \
-CFLAGS="%{rpmcflags} %{rpmcppflags}" \
+CFLAGS="%{rpmcflags} %{rpmcppflags} %{?archcflags}" \
 CXXFLAGS="%{rpmcxxflags} %{rpmcppflags}" \
 LDFLAGS="%{rpmldflags}" \
 %{__make} allmost manual \
================================================================

---- gitweb:

http://git.pld-linux.org/gitweb.cgi/packages/zstd.git/commitdiff/f3c32c66a51b6e2fa450b45ff5a9827e123da2ea