Update gettext to fix upstream conflicts (#6)

Author: jeroen

.github/workflows/main.yml

@@ -42,7 +42,7 @@ jobs:
           exit 0
         shell: cmd
 
-      - uses: msys2/setup-msys2@v2
+      - uses: msys2/setup-msys2@v2.21.1
         with:
           msystem: ${{ matrix.msystem }}
           install: git patch make unzip pactoys

mingw-w64-gettext/0022-libasprintf.patch

@@ -0,0 +1,28 @@
+Do not replace names of asprintf and vasprintf while including a header
+that pulls in stdio.h which also declares functions with that names.
+These function declarations would conflict with the declarations from
+this library.
+
+diff -urN gettext-0.22.3/gettext-runtime/libasprintf/vasprintf.c.orig gettext-0.22.3/gettext-runtime/libasprintf/vasprintf.c
+--- gettext-0.22.3/gettext-runtime/libasprintf/vasprintf.c.orig	2019-05-11 13:29:32.000000000 +0200
++++ gettext-0.22.3/gettext-runtime/libasprintf/vasprintf.c	2023-10-27 18:58:18.838760500 +0200
+@@ -27,8 +27,19 @@
+ #include <limits.h>
+ #include <stdlib.h>
+ 
++#undef asprintf
++#undef vasprintf
++
+ #include "vasnprintf.h"
+ 
++#if !(HAVE_VASPRINTF && HAVE_POSIX_PRINTF)
++
++/* Define to the same symbols as in lib-asprintf.h.  */
++#define asprintf libasprintf_asprintf
++#define vasprintf libasprintf_vasprintf
++
++#endif
++
+ /* Some systems, like OSF/1 4.0 and Woe32, don't have EOVERFLOW.  */
+ #ifndef EOVERFLOW
+ # define EOVERFLOW E2BIG

mingw-w64-gettext/0023-gnulib.patch

@@ -0,0 +1,33 @@
+Do not include two directories with generated gnulib headers in -I flags,
+or #include_next directive for error.h fails.
+
+diff -urN gettext-0.22.3/gettext-tools/src/Makefile.am.orig gettext-0.22.3/gettext-tools/src/Makefile.am
+--- gettext-0.22.3/gettext-tools/src/Makefile.am.orig	2023-10-27 20:04:58.982538600 +0200
++++ gettext-0.22.3/gettext-tools/src/Makefile.am	2023-10-27 20:40:13.497536600 +0200
+@@ -307,7 +307,7 @@
+ 
+ # Use the dummy libtextstyle from gnulib, as libgettextpo does.
+ LT_LIBTEXTSTYLE =
+-AM_CPPFLAGS += -I../libgettextpo -I$(top_srcdir)/libgettextpo
++AM_CPPFLAGS += -I$(top_srcdir)/libgettextpo
+ 
+ # How to build libgettextsrc.la.
+ # Need ../gnulib-lib/libgettextlib.la.
+diff -urN gettext-0.22.3/gettext-tools/libgettextpo/Makefile.gnulib.orig gettext-0.22.3/gettext-tools/libgettextpo/Makefile.gnulib
+--- gettext-0.22.3/gettext-tools/libgettextpo/Makefile.gnulib.orig	2023-10-02 23:07:33.000000000 +0200
++++ gettext-0.22.3/gettext-tools/libgettextpo/Makefile.gnulib	2023-10-27 21:08:15.039903500 +0200
+@@ -751,11 +751,12 @@
+ # We need the following in order to create a dummy placeholder for
+ # <textstyle.h>.
+ textstyle.h: textstyle.in.h $(top_builddir)/config.status
+-	$(AM_V_GEN)rm -f $@-t $@ && \
++	$(AM_V_GEN)rm -f $@-t $@ ../gnulib-lib/$@ && \
+ 	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+ 	  cat $(srcdir)/textstyle.in.h; \
+ 	} > $@-t && \
+-	mv $@-t $@
++	mv $@-t $@ && \
++	cp $@ ../gnulib-lib/$@
+ MOSTLYCLEANFILES += textstyle.h textstyle.h-t
+ 
+ EXTRA_DIST += textstyle.in.h