lang/zig: update to 0.8.0 and add docs

Reviewed by:	jbeich
Reviewed by:	Daniel Engberg <daniel.engberg.lists@pyret.net>
Differential Revision: https://reviews.freebsd.org/D30742
Sponsored by:	SkunkWerks, GmbH

lang/zig/Makefile

@@ -1,9 +1,7 @@
 PORTNAME=	zig
-DISTVERSION=	0.7.1
-PORTREVISION=	2
+DISTVERSION=	0.8.0
 CATEGORIES=	lang
-MASTER_SITES=	https://ziglang.org/download/${DISTVERSION}/ \
-		https://ziglang.org/builds/
+MASTER_SITES=	https://ziglang.org/download/${DISTVERSION}/
 
 MAINTAINER=	dch@FreeBSD.org
 COMMENT=	Language designed for robustness, optimality, and maintainability
@@ -11,18 +9,50 @@ COMMENT=	Language designed for robustness, optimality, and maintainability
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
-BROKEN_i386=	static_assert failed "static_assert(sizeof(ZigClangAPValue) == sizeof(clang::APValue), "")"
 IGNORE_FreeBSD_11=	expects getrandom(2) which is unavailable on FreeBSD < 12.0
+ONLY_FOR_ARCHS=		aarch64 amd64
+ONLY_FOR_ARCHS_REASON=	not yet supported
 
-_LLVM_VER=	11
 BUILD_DEPENDS=	llvm${_LLVM_VER}>=0:devel/llvm${_LLVM_VER}
 
-USES=		cmake compiler:c++11-lang tar:xz
+USES=		cmake compiler:c++11-lang localbase:ldflags tar:xz
 
 OPTIONS_DEFINE=		STATIC
 OPTIONS_DEFAULT=	STATIC
 
+STATIC_DESC=	sets ZIG_STATIC to avoid 800MiB LLVM dependencies
+
 STATIC_RUN_DEPENDS_OFF=	llvm${_LLVM_VER}>=0:devel/llvm${_LLVM_VER}
 STATIC_CMAKE_BOOL=	CMAKE_SKIP_INSTALL_RPATH ZIG_STATIC
+STATIC_LDFLAGS=		-lz -llzma -lm -lxml2 -lmd
+
+_LLVM_VER=	12
+_ZIG_BIN=	${STAGEDIR}${PREFIX}/bin/zig
+
+post-configure-STATIC-on:
+	@${REINPLACE_CMD} 's/-Wl,-Bdynamic//' ${BUILD_WRKSRC}/build.ninja
+
+post-build:
+	# Produce the experimental std lib documentation.
+	${MKDIR}  ${WRKDIR}/cache ${WRKDIR}/doc
+	${WRKDIR}/.build/zig test ${WRKSRC}/lib/std/std.zig \
+		--cache-dir ${WRKDIR}/cache \
+		--global-cache-dir ${WRKDIR}/cache \
+		--override-lib-dir ${WRKSRC}/lib \
+		-femit-docs=${WRKDIR}/doc \
+		-fno-emit-bin
+	${RM} ${WRKSRC}/lib/zig/std/zig-cache
+
+post-install:
+	${MKDIR} ${STAGEDIR}${DOCSDIR}/std
+	# langref cannot be generated until after install target has run
+	(cd ${WRKSRC} && ${_ZIG_BIN} run \
+		./doc/docgen.zig -- ${_ZIG_BIN} \
+		./doc/langref.html.in ${STAGEDIR}${DOCSDIR}/langref.html \
+		&& ${RM} ${STAGEDIR}/lib/zig/std/zig-cache)
+	${REINPLACE_CMD} -i '' -e 's|${STAGEDIR}||' ${STAGEDIR}${DOCSDIR}/langref.html
+.for f in data.js main.js index.html
+	${INSTALL_MAN} ${WRKDIR}/doc/${f} ${STAGEDIR}${DOCSDIR}/std/
+.endfor
 
 .include <bsd.port.mk>

lang/zig/distinfo

@@ -1,3 +1,3 @@
-TIMESTAMP = 1607988527
-SHA256 (zig-0.7.1.tar.xz) = 2db3b944ab368d955b48743d9f7c963b8f96de1a441ba5a35e197237cc6dae44
-SIZE (zig-0.7.1.tar.xz) = 10711824
+TIMESTAMP = 1623448037
+SHA256 (zig-0.8.0.tar.xz) = 03a828d00c06b2e3bb8b7ff706997fd76bf32503b08d759756155b6e8c981e77
+SIZE (zig-0.8.0.tar.xz) = 12614896

lang/zig/files/patch-doc_langref.html.in

@@ -0,0 +1,13 @@
+--- doc/langref.html.in.orig	2021-06-14 12:00:33 UTC
++++ doc/langref.html.in
+@@ -221,7 +221,9 @@
+       </p>
+       <p>
+       If you search for something specific in this documentation and do not find it,
+-      please <a href="https://github.com/ziglang/www.ziglang.org/issues/new?title=I%20searched%20for%20___%20in%20the%20docs%20and%20didn%27t%20find%20it">file an issue</a> or <a href="https://webchat.freenode.net/?channels=%23zig">say something on IRC</a>.
++      please <a
++          href="https://github.com/ziglang/www.ziglang.org/issues/new?title=I%20searched%20for%20___%20in%20the%20docs%20and%20didn%27t%20find%20it">file
++          an issue</a> or <a href="https://web.libera.chat/#zig">say something on IRC</a>.
+       </p>
+       <p>
+       The code samples in this document are compiled and tested as part of the main test suite of Zig.

lang/zig/files/patch-lib_std_c.zig

@@ -1,23 +0,0 @@
---- lib/std/c.zig.orig	2020-12-13 19:14:58 UTC
-+++ lib/std/c.zig
-@@ -346,3 +346,20 @@ pub extern "c" fn prctl(option: c_int, ...) c_int;
- 
- pub extern "c" fn getrlimit(resource: rlimit_resource, rlim: *rlimit) c_int;
- pub extern "c" fn setrlimit(resource: rlimit_resource, rlim: *const rlimit) c_int;
-+
-+pub extern "c" fn fmemopen(noalias buf: ?*c_void, size: usize, noalias mode: [*:0]const u8) ?*FILE;
-+
-+pub extern "c" fn syslog(priority: c_int, message: [*:0]const u8, ...) void;
-+pub extern "c" fn openlog(ident: [*:0]const u8, logopt: c_int, facility: c_int) void;
-+pub extern "c" fn closelog() void;
-+pub extern "c" fn setlogmask(maskpri: c_int) c_int;
-+
-+pub const max_align_t = if (std.Target.current.abi == .msvc)
-+    f64
-+else if (std.Target.current.isDarwin())
-+    c_longdouble
-+else
-+    extern struct {
-+        a: c_longlong,
-+        b: c_longdouble,
-+    };

lang/zig/files/patch-lib_std_os_bits.zig

@@ -1,25 +0,0 @@
---- lib/std/os/bits.zig.orig	2020-12-13 19:14:58 UTC
-+++ lib/std/os/bits.zig
-@@ -34,3 +34,22 @@ pub const iovec_const = extern struct {
-     iov_base: [*]const u8,
-     iov_len: usize,
- };
-+
-+// syslog
-+
-+/// system is unusable
-+pub const LOG_EMERG = 0;
-+/// action must be taken immediately
-+pub const LOG_ALERT = 1;
-+/// critical conditions
-+pub const LOG_CRIT = 2;
-+/// error conditions
-+pub const LOG_ERR = 3;
-+/// warning conditions
-+pub const LOG_WARNING = 4;
-+/// normal but significant condition
-+pub const LOG_NOTICE = 5;
-+/// informational
-+pub const LOG_INFO = 6;
-+/// debug-level messages
-+pub const LOG_DEBUG = 7;

lang/zig/files/patch-lib_std_os_bits_freebsd.zig

@@ -1,24 +0,0 @@
---- lib/std/os/bits/freebsd.zig.orig	2020-12-13 19:14:58 UTC
-+++ lib/std/os/bits/freebsd.zig
-@@ -15,6 +15,7 @@ pub const gid_t = u32;
- pub const mode_t = c_uint;
- 
- pub const socklen_t = u32;
-+pub const suseconds_t = c_long;
- 
- /// Renamed from `kevent` to `Kevent` to avoid conflict with function name.
- pub const Kevent = extern struct {
-@@ -159,6 +160,13 @@ pub const libc_stat = extern struct {
- pub const timespec = extern struct {
-     tv_sec: isize,
-     tv_nsec: isize,
-+};
-+
-+pub const timeval = extern struct {
-+    /// seconds
-+    tv_sec: time_t,
-+    /// microseconds
-+    tv_usec: suseconds_t,
- };
- 
- pub const dirent = extern struct {