patch 8.2.3922: cannot build with dynamic Ruby 3.1
Problem: Cannot build with dynamic Ruby 3.1.
Solution: Add "_EXTRA" variables for CI. Add missing functions. (Ozaki
Kiichi, closes #9420)
diff --git a/ci/config.mk.clang-12.sed b/ci/config.mk.clang-12.sed
index e305c59..810b723 100644
--- a/ci/config.mk.clang-12.sed
+++ b/ci/config.mk.clang-12.sed
@@ -1,3 +1,3 @@
# Clang 12 (or Apple clang 13) and later makes a warning '-Wcompound-token-split-by-macro' enable by default.
-/^PERL_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
-/^RUBY_CFLAGS[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
+/^PERL_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/
+/^RUBY_CFLAGS_EXTRA[[:blank:]]*=/s/$/ -Wno-error=compound-token-split-by-macro/