Attempt to fix macOS workflow mk8

.github/workflows/macos.yml

@@ -20,7 +20,9 @@ jobs:
     - name: Install gperf, bison and flex
       # MacOS comes with an ancient bison, we need a newer version. Homebrew's
       # bison and flex are keg-only, which means they are not symlinked into
-      # /usr/local because macOS already provides this software.
+      # /usr/local because macOS already provides this software. Homebrew tells
+      # you to adjust the $PATH, but I couldn't make that work, and I think
+      # symlinking is a better solution for simple binaries.
       run: |
         brew install gperf bison flex
         sudo ln -s /usr/local/opt/bison/bin/bison /usr/local/bin/bison

src/Makefile.am

@@ -163,8 +163,6 @@ EXTRA_DIST = \
 # to the particular target name, so a header file name.
 $(LEXER_SRC:.l=.h): $(LEXER_SRC)
 	$(LEX) --header-file=$@ --stdout $(@:.h=.l) > /dev/null
-	$(YACC) --version
-	which $(YACC)
 
 # Anything built by make should be cleaned by make clean, but when it comes to
 # flex/bison automake's support leaves something to be desired