biology/seqwish: disable march=native, fixing build on non-x86

Contrary to the removed comment, it doesn't break compilation, tested on amd64.

biology/seqwish/Makefile

@@ -1,6 +1,7 @@
 PORTNAME=	seqwish
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.7.11
+PORTREVISION=	1
 CATEGORIES=	biology
 MASTER_SITES=	https://github.com/ekg/seqwish/releases/download/v${DISTVERSION}/
 
@@ -16,7 +17,7 @@ BROKEN_i386=	compilation fails: error: use of undeclared identifier '_pdep_u64'
 
 USES=		cmake:noninja compiler:c++14-lang
 
-#CMAKE_ARGS=	-DEXTRA_FLAGS="" # disable -march=native ; this causes the link failure: undefined symbol: __sync_val_compare_and_swap_16, see https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=274927
+CMAKE_ARGS=	-DEXTRA_FLAGS="" # disable -march=native
 
 PLIST_FILES=	bin/${PORTNAME}
 

biology/seqwish/files/patch-deps_paryfor_paryfor.hpp

@@ -0,0 +1,25 @@
+--- deps/paryfor/paryfor.hpp.orig	2024-10-15 18:25:21 UTC
++++ deps/paryfor/paryfor.hpp
+@@ -51,7 +51,22 @@ static inline void spin_loop_pause() noexcept {
+ }
+ } // namespace atomic_queue
+ } // namespace paryfor
++#elif defined(__ppc64__) || defined(__powerpc64__)
++namespace paryfor {
++namespace atomic_queue {
++constexpr int CACHE_LINE_SIZE = 128; // TODO: Review that this is the correct value.
++static inline void spin_loop_pause() noexcept {
++    asm volatile("or 31,31,31 # very low priority"); // TODO: Review and benchmark that this is the right instruction.
++}
++} // namespace atomic_queue
++} // namespace paryfor
+ #else
++namespace paryfor {
++namespace atomic_queue {
++constexpr int CACHE_LINE_SIZE = 64; // TODO: Review that this is the correct value.
++static inline void spin_loop_pause() noexcept {}
++} // namespace atomic_queue
++} // namespace paryfor
+ #error "Unknown CPU architecture."
+ #endif
+