LuaJIT: update to 2.1.0-beta3, add patches

The patches enable support on ppc64 targets and some other things,
taken from Ubuntu, plus a bcsave.lua patch made by myself.

srcpkgs/LuaJIT/patches/aarch64-register-allocation-bug-fix.patch

@@ -0,0 +1,29 @@
+From: Jason Teplitz <jason@tensyr.com>
+Date: Mon, 9 Oct 2017 23:03:09 +0000
+Subject: Fix register allocation bug in arm64
+
+---
+ src/lj_asm_arm64.h | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git src/lj_asm_arm64.h src/lj_asm_arm64.h
+index 8fd92e7..549f8a6 100644
+--- src/lj_asm_arm64.h
++++ src/lj_asm_arm64.h
+@@ -871,7 +871,7 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
+   int bigofs = !emit_checkofs(A64I_LDRx, ofs);
+   RegSet allow = RSET_GPR;
+   Reg dest = (ra_used(ir) || bigofs) ? ra_dest(as, ir, RSET_GPR) : RID_NONE;
+-  Reg node = ra_alloc1(as, ir->op1, allow);
++  Reg node = ra_alloc1(as, ir->op1, ra_hasreg(dest) ? rset_clear(allow, dest) : allow);
+   Reg key = ra_scratch(as, rset_clear(allow, node));
+   Reg idx = node;
+   uint64_t k;
+@@ -879,7 +879,6 @@ static void asm_hrefk(ASMState *as, IRIns *ir)
+   rset_clear(allow, key);
+   if (bigofs) {
+     idx = dest;
+-    rset_clear(allow, dest);
+     kofs = (int32_t)offsetof(Node, key);
+   } else if (ra_hasreg(dest)) {
+     emit_opk(as, A64I_ADDx, dest, node, ofs, allow);

srcpkgs/LuaJIT/patches/enable-debug-symbols.patch

@@ -0,0 +1,24 @@
+From: =?utf-8?q?Ond=C5=99ej_Sur=C3=BD?= <ondrej@sury.org>
+Date: Tue, 17 Nov 2015 16:27:11 +0100
+Subject: Enable debugging symbols in the build
+
+---
+ src/Makefile | 4 ++--
+ 1 file changed, 2 insertions(+), 2 deletions(-)
+
+diff --git src/Makefile src/Makefile
+index 8a38efd..6b73a89 100644
+--- src/Makefile
++++ src/Makefile
+@@ -54,9 +54,9 @@ CCOPT_arm64=
+ CCOPT_ppc=
+ CCOPT_mips=
+ #
+-CCDEBUG=
++#CCDEBUG=
+ # Uncomment the next line to generate debug information:
+-#CCDEBUG= -g
++CCDEBUG= -g
+ #
+ CCWARN= -Wall
+ # Uncomment the next line to enable more warnings:

srcpkgs/LuaJIT/patches/fix-bcsave-ppc64.patch

@@ -0,0 +1,33 @@
+--- src/jit/bcsave.lua.orig	2018-12-17 19:06:27.215042417 +0100
++++ src/jit/bcsave.lua	2018-12-17 19:17:12.982477945 +0100
+@@ -64,7 +64,7 @@
+ 
+ local map_arch = {
+   x86 = true, x64 = true, arm = true, arm64 = true, arm64be = true,
+-  ppc = true, mips = true, mipsel = true,
++  ppc = true, ppc64 = true, ppc64le = true, mips = true, mipsel = true,
+ }
+ 
+ local map_os = {
+@@ -200,9 +200,10 @@
+ ]]
+   local symname = LJBC_PREFIX..ctx.modname
+   local is64, isbe = false, false
+-  if ctx.arch == "x64" or ctx.arch == "arm64" or ctx.arch == "arm64be" then
++  if ctx.arch == "x64" or ctx.arch == "arm64" or ctx.arch == "arm64be" or ctx.arch == "ppc64" or ctx.arch == "ppc64le" then
+     is64 = true
+-  elseif ctx.arch == "ppc" or ctx.arch == "mips" then
++  end
++  if ctx.arch == "ppc" or ctx.arch == "ppc64" or ctx.arch == "mips" then
+     isbe = true
+   end
+ 
+@@ -237,7 +238,7 @@
+   hdr.eendian = isbe and 2 or 1
+   hdr.eversion = 1
+   hdr.type = f16(1)
+-  hdr.machine = f16(({ x86=3, x64=62, arm=40, arm64=183, arm64be=183, ppc=20, mips=8, mipsel=8 })[ctx.arch])
++  hdr.machine = f16(({ x86=3, x64=62, arm=40, arm64=183, arm64be=183, ppc=20, ppc64=21, ppc64le=21, mips=8, mipsel=8 })[ctx.arch])
+   if ctx.arch == "mips" or ctx.arch == "mipsel" then
+     hdr.flags = f32(0x50001006)
+   end

srcpkgs/LuaJIT/patches/get-rid-of-luajit-version-sym.patch

@@ -0,0 +1,51 @@
+From: =?utf-8?q?Ond=C5=99ej_Sur=C3=BD?= <ondrej@sury.org>
+Date: Thu, 19 Nov 2015 16:29:02 +0200
+Subject: Get rid of LUAJIT_VERSION_SYM that changes ABI on every patch release
+
+---
+ src/lj_dispatch.c | 5 -----
+ src/luajit.c      | 2 --
+ src/luajit.h      | 3 ---
+ 3 files changed, 10 deletions(-)
+
+diff --git src/lj_dispatch.c src/lj_dispatch.c
+index 5d6795f..e865a78 100644
+--- src/lj_dispatch.c
++++ src/lj_dispatch.c
+@@ -319,11 +319,6 @@ int luaJIT_setmode(lua_State *L, int idx, int mode)
+   return 1;  /* OK. */
+ }
+ 
+-/* Enforce (dynamic) linker error for version mismatches. See luajit.c. */
+-LUA_API void LUAJIT_VERSION_SYM(void)
+-{
+-}
+-
+ /* -- Hooks --------------------------------------------------------------- */
+ 
+ /* This function can be called asynchronously (e.g. during a signal). */
+diff --git src/luajit.c src/luajit.c
+index 1ca2430..ccf425e 100644
+--- src/luajit.c
++++ src/luajit.c
+@@ -516,8 +516,6 @@ static int pmain(lua_State *L)
+   globalL = L;
+   if (argv[0] && argv[0][0]) progname = argv[0];
+ 
+-  LUAJIT_VERSION_SYM();  /* Linker-enforced version check. */
+-
+   argn = collectargs(argv, &flags);
+   if (argn < 0) {  /* Invalid args? */
+     print_usage();
+diff --git src/luajit.h src/luajit.h
+index 708a5a1..35ae02c 100644
+--- src/luajit.h
++++ src/luajit.h
+@@ -73,7 +73,4 @@ LUA_API void luaJIT_profile_stop(lua_State *L);
+ LUA_API const char *luaJIT_profile_dumpstack(lua_State *L, const char *fmt,
+ 					     int depth, size_t *len);
+ 
+-/* Enforce (dynamic) linker error for version mismatches. Call from main. */
+-LUA_API void LUAJIT_VERSION_SYM(void);
+-
+ #endif

srcpkgs/LuaJIT/patches/unpollute-global-namespace.patch

@@ -0,0 +1,21 @@
+From: =?utf-8?q?Ond=C5=99ej_Sur=C3=BD?= <ondrej@sury.org>
+Date: Wed, 11 Oct 2017 08:42:41 +0000
+Subject: Make ccall_copy_struct static to unpollute global library namespace
+
+---
+ src/lj_ccall.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git src/lj_ccall.c src/lj_ccall.c
+index b891591..a7dcc1b 100644
+--- src/lj_ccall.c
++++ src/lj_ccall.c
+@@ -960,7 +960,7 @@ noth:  /* Not a homogeneous float/double aggregate. */
+   return 0;  /* Struct is in GPRs. */
+ }
+ 
+-void ccall_copy_struct(CCallState *cc, CType *ctr, void *dp, void *sp, int ft)
++static void ccall_copy_struct(CCallState *cc, CType *ctr, void *dp, void *sp, int ft)
+ {
+   if (LJ_ABI_SOFTFP ? ft :
+       ((ft & 3) == FTYPE_FLOAT || (ft >> 2) == FTYPE_FLOAT)) {

srcpkgs/LuaJIT/template

@@ -1,35 +1,58 @@
 # Template file for 'LuaJIT'
 pkgname=LuaJIT
-version=2.0.5
-revision=2
+version=2.1.0beta3
+revision=1
+_so_version=2.1.0
+_dist_version=${_so_version}-beta3
+wrksrc="${pkgname}-${_dist_version}"
 hostmakedepends="lua52-BitOp"
-short_desc="A Just-In-Time Compiler for Lua"
-maintainer="Juan RP <xtraeme@voidlinux.org>"
-homepage="http://www.luajit.org"
+short_desc="Just-In-Time Compiler for Lua"
+maintainer="q66 <daniel@octaforge.org>"
 license="MIT"
-distfiles="http://luajit.org/download/$pkgname-$version.tar.gz"
-checksum=874b1f8297c697821f561f9b73b57ffd419ed8f4278c82e05b48806d30c1e979
-
-case "$XBPS_TARGET_MACHINE" in
-	arm*-musl) broken="https://build.voidlinux.eu/builders/armv7l-musl_builder/builds/6139/steps/shell_3/logs/stdio" ;;
-	aarch64*) broken="unsupported";;
-esac
+homepage="http://www.luajit.org"
+distfiles="http://luajit.org/download/${pkgname}-${_dist_version}.tar.gz"
+checksum=1ad2e34b111c802f9d0cdf019e986909123237a28c746b21295b63c9e785d9c3
 
 if [ "$CROSS_BUILD" -a "$XBPS_MACHINE" = "x86_64" ]; then
 	hostmakedepends+=" gcc-multilib"
 fi
 
+_cross_cc="cc"
+if [ "$CROSS_BUILD" ]; then
+	# cross toolchains are only for x86_64, ppc64 and i686 hosts
+	# luajit needs matching bitness for host and target
+	# on x86_64 we can multilib, on others we can't
+	case "$XBPS_MACHINE" in
+		x86_64)
+			case "$XBPS_TARGET_MACHINE" in
+				ppc64*) ;;
+				arm*|i686*|mips*|ppc*) _cross_cc="cc -m32";;
+			esac
+			;;
+		ppc64*|x86_64-musl)
+			case "$XBPS_TARGET_MACHINE" in
+				ppc64*) ;;
+				arm*|i686*|mips*|ppc*)
+					broken="Mismatched bitness on non-multilib host"
+					;;
+			esac
+				;;
+		i686*)
+			case "$XBPS_TARGET_MACHINE" in
+				x86_64*|ppc64*|aarch64*)
+					broken="Mismatched bitness on non-multilib host"
+					;;
+			esac
+			;;
+	esac
+fi
+
 do_build() {
 	local _cflags=$CFLAGS
 	local _ldflags=$LDFLAGS
-	local _cross_cc=cc
 
 	if [ "$CROSS_BUILD" ]; then
 		local cross="CROSS=${XBPS_CROSS_TRIPLET}-"
-		case "$XBPS_MACHINE" in
-			x86_64) _cross_cc="cc -m32";;
-			*) _cross_cc="cc";;
-		esac
 	fi
 
 	unset CFLAGS LDFLAGS
@@ -42,7 +65,8 @@ do_install() {
 	make DPREFIX=${DESTDIR}/usr DESTDIR=${DESTDIR} \
 		INSTALL_SHARE=${DESTDIR}/usr/share PREFIX=/usr install
 
-	ln -fs libluajit-5.1.so.${version} ${DESTDIR}/usr/lib/libluajit-5.1.so.2
+	mv ${DESTDIR}/usr/bin/luajit-* ${DESTDIR}/usr/bin/luajit
+	ln -fs libluajit-5.1.so.${_so_version} ${DESTDIR}/usr/lib/libluajit-5.1.so.2
 	vlicense COPYRIGHT
 }