unrar: don't -march=native

fixes #50839
closes #50557

srcpkgs/unrar/template

@@ -1,7 +1,7 @@
 # Template file for 'unrar'
 pkgname=unrar
 version=7.0.9
-revision=1
+revision=2
 archs="x86_64* i686*"
 short_desc="Unarchiver for .rar files (non-free version)"
 maintainer="skmpz <dem.procopiou@gmail.com>"
@@ -12,7 +12,8 @@ checksum=505c13f9e4c54c01546f2e29b2fcc2d7fabc856a060b81e5cdfe6012a9198326
 repository=nonfree
 
 do_build() {
-	vsed -e 's/^\(CXXFLAGS\)=\(.*\)/\1+=\2/' \
+	vsed -e 's/-march=native//' \
+		 -e 's/^\(CXXFLAGS\)=\(.*\)/\1+=\2/' \
 		 -e 's/^\(LDFLAGS\)=\(.*\)/\1+=-lpthread \2/' \
 		 -i makefile
 	make CXX="$CXX" LD="$LD" STRIP=: -f makefile