Add ucrt64 build

ucrt currently requires patching of configure.ac and win32.c .

Author: larskanis

mingw-w64-ruby-head/0001-ucrt-v2.patch

@@ -0,0 +1,53 @@
+diff --git a/configure.ac b/configure.ac
+index fa62b5fa85..a563115033 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -443,10 +443,15 @@ AS_CASE(["$target_os"],
+ 		    [[FILE* volatile f = stdin; return 0;]])],
+ 		    [rb_cv_msvcrt=`$OBJDUMP -p conftest$ac_exeext |
+ 				   tr A-Z a-z |
+-				   sed -n '/^[[ 	]]*dll name: \(msvc.*\)\.dll$/{s//\1/p;q;}'`],
++				   sed -n '/^[[ 	]]*dll name: \(msvc.*\)\.dll$/{s//\1/p;q;}'`
++		     test "$rb_cv_msvcrt" = "" && rb_cv_msvcrt=`$OBJDUMP -p conftest$ac_exeext |
++				   tr A-Z a-z |
++				   sed -n '/^[[ 	]]*dll name: \(api-ms-win-crt.*\)\.dll$/{s//ucrt/p;q;}'`
++		     test "$rb_cv_msvcrt" = "ucrt" && RT_VER=140
++				   ],
+ 		    [rb_cv_msvcrt=msvcrt])
+ 	test "$rb_cv_msvcrt" = "" && rb_cv_msvcrt=msvcrt])
+-	RT_VER=`echo "$rb_cv_msvcrt" | tr -cd [0-9]`
++	test "$RT_VER" = "" && RT_VER=`echo "$rb_cv_msvcrt" | tr -cd [0-9]`
+ 	test "$RT_VER" = "" && RT_VER=60
+ 	AC_DEFINE_UNQUOTED(RUBY_MSVCRT_VERSION, $RT_VER)
+ 	sysconfdir=
+diff --git a/win32/win32.c b/win32/win32.c
+index 940a85a4de..b7fcd666f1 100644
+--- a/win32/win32.c
++++ b/win32/win32.c
+@@ -888,6 +888,12 @@ socklist_delete(SOCKET *sockp, int *flagp)
+ }
+ 
+ static int w32_cmdvector(const WCHAR *, char ***, UINT, rb_encoding *);
++
++#if RUBY_MSVCRT_VERSION >= 80
++#include <crtdbg.h>
++static void set_pioinfo_extra(void);
++#endif
++
+ //
+ // Initialization stuff
+ //
+@@ -896,11 +902,11 @@ void
+ rb_w32_sysinit(int *argc, char ***argv)
+ {
+ #if RUBY_MSVCRT_VERSION >= 80
+-    static void set_pioinfo_extra(void);
+-
+     _CrtSetReportMode(_CRT_ASSERT, 0);
+     _set_invalid_parameter_handler(invalid_parameter);
++#if !defined(__MINGW32__)
+     _RTC_SetErrorFunc(rtc_error_handler);
++#endif
+     set_pioinfo_extra();
+ #endif
+     SetErrorMode(SEM_FAILCRITICALERRORS|SEM_NOGPFAULTERRORBOX);

mingw-w64-ruby-head/PKGBUILD

@@ -1,13 +1,14 @@
 _realname=ruby
 pkgbase=mingw-w64-ruby-head
 pkgname="${MINGW_PACKAGE_PREFIX}-ruby-head"
-pkgver=r20210301
+pkgver=r20210502
 pkgver() {
   echo r`date +%Y%m%d`
 }
 pkgrel=1
 pkgdesc="An object-oriented language for quick and easy programming (mingw-w64)"
 arch=('any')
+mingw_arch=('mingw32' 'mingw64' 'ucrt64')
 url="https://www.ruby-lang.org/en"
 license=("BSD, custom")
 makedepends=("${MINGW_PACKAGE_PREFIX}-gcc" "${MINGW_PACKAGE_PREFIX}-pkg-config")
@@ -20,6 +21,7 @@ depends=("${MINGW_PACKAGE_PREFIX}-gcc-libs"
          "${MINGW_PACKAGE_PREFIX}-zlib")
 options=('staticlibs' 'strip')
 source=("https://cache.ruby-lang.org/pub/ruby/snapshot/snapshot-master.tar.xz"
+        0001-ucrt-v2.patch
         ruby.ico
         rubyw.ico)
 noextract=("snapshot-master.tar.xz")
@@ -28,12 +30,14 @@ noextract=("snapshot-master.tar.xz")
 # and set first entry to 'SKIP'
 
 sha256sums=('SKIP'
+            '654c4db8cd554db34616148cf92fd9e60c429d68925b22aa1ec0ab0e1d58722b'
             '6c80ba2ca49840e387a08b7fedc6e7acd298ac2ec853155209efb2af20397b22'
             'c30fb04ac0e88ba634daaa811a81ea5a75027646617b895acd14df9518a4a55a')
 
 prepare() {
   bsdtar -xf snapshot-master.tar.xz || true
   cd ${srcdir}/snapshot-master
+  patch -p1 -i ${srcdir}/0001-ucrt-v2.patch
 
   autoreconf -fi
 }