build: touch intl/plural.c to work around known bug

build.sh

@@ -6,7 +6,7 @@
 source util.sh
 cd build
 
-# Number of processor core
+# Number of processor cores
 if [[ $(uname) == "OpenBSD" ]]; then
   cores=$(sysctl -n hw.ncpu)
 else

configure.sh

@@ -91,6 +91,12 @@ fi
 echo "$TAG Extracting $ARCHIVE..."
 unxz -c < $ARCHIVE | tar -xf -
 
+# Touch intl/plural.c to avoid regenerating it from intl/plural.y with recent
+# versions of bison, which is subject to the following known bug.
+# * https://sourceware.org/bugzilla/show_bug.cgi?id=22941
+# * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92008
+touch binutils-$VERSION/intl/plural.c
+
 # Create build folder
 
 [[ -d "build" ]] && rm -rf build