Work around gnulib bug enabling weak symbols

gettext/PKGBUILD

@@ -18,7 +18,8 @@ source=(https://ftp.gnu.org/pub/gnu/gettext/${pkgname}-${pkgver}.tar.gz{,.sig}
         0.19.8.1-cygwin-ftm.patch
         0.19.8.1-have_wprintf.patch
         gettext-0.19.8.1-msys2.patch
-        gettext-0.19.7-archive.patch)
+        gettext-0.19.7-archive.patch
+        gnulib-cygwin-weak-bug.patch)
 sha256sums=('ff942af0e438ced4a8b0ea4b0b6e0d6d657157c5e2364de57baa279c1c125c43'
             'SKIP'
             '0d3082e9a6b997b61dbb160f5af234a1bc89cddf9dc680999429276cf605b731'
@@ -28,7 +29,8 @@ sha256sums=('ff942af0e438ced4a8b0ea4b0b6e0d6d657157c5e2364de57baa279c1c125c43'
             '22cfaca417f04507a901cba93a7eb219183d5e681b7459d8c0e9660621a9a696'
             'd4df598ebde60ea4e069991baed43b00dbb28d3b8a40cc7cf4a6e12847ee3616'
             'c049be2f812524647b662d421dc2a5df59e7da68a42ab0e1cef6af6665cb00a0'
-            'e117ddf7cbb175c0ceabc03d8114f875fa120e8f9999e914ecb2bc4ded8d92ce')
+            'e117ddf7cbb175c0ceabc03d8114f875fa120e8f9999e914ecb2bc4ded8d92ce'
+            '8a297177d532e15f7b4eca5c2f56a7b0980ea8ae1432c7d13f500e37e30229c9')
 validpgpkeys=('462225C3B46F34879FC8496CD605848ED7E69871')
 
 prepare() {
@@ -43,6 +45,7 @@ prepare() {
   patch -p3 -i $srcdir/0.19.8.1-have_wprintf.patch
 
   # MSYS2 patch
+  patch -p1 -i $srcdir/gnulib-cygwin-weak-bug.patch
   patch -p1 -i $srcdir/gettext-0.19.8.1-msys2.patch
 
   pushd gettext-tools/misc > /dev/null

gettext/gnulib-cygwin-weak-bug.patch

@@ -0,0 +1,12 @@
+--- gettext-0.19.8.1/gettext-runtime/m4/threadlib.m4.orig	2021-12-29 09:09:55.934684000 +0100
++++ gettext-0.19.8.1/gettext-runtime/m4/threadlib.m4	2021-12-29 09:13:14.284107200 +0100
+@@ -133,6 +133,9 @@
+ #pragma weak fputs
+ int main ()
+ {
++#ifdef __CYGWIN__
++  return 1;
++#endif
+   return (fputs == NULL);
+ }]])],
+            [gl_cv_have_weak=yes],