Update apple-gdb-1824-macos.yml

I hate the flakiness of this build system... my kingdom for consistent timestamps! See issue #40

Change-Id: I71e0cbd2cc8693845882cc21d66c0a995c4181d5

.github/workflows/apple-gdb-1824-macos.yml

@@ -100,6 +100,11 @@ jobs:
         else \
           echo "autoconf available at $(which autoconf)"; \
         fi
+        if test -z "$(which gm4)" || test ! -x "$(which gm4)"; then \
+          brew install m4 || brew analytics on || find . -name '*.m4' -print; \
+        else \
+          echo "gm4 available at $(which gm4)"; \
+        fi
         ./bootstrap || stat ./bootstrap || test -x ./bootstrap
         if test libltdl/configure -ot libltdl/configure.ac; then \
           if test -x libltdl/configure && test -s libltdl/configure; then \
@@ -121,15 +126,23 @@ jobs:
         for subdir in libltdl libltdl/loaders libtool_gnu/libltdl/loaders loaders; do \
           if test -d "${subdir}" && test -w "${subdir}" && test ! -d "${subdir}"/.deps; then \
             mkdir -pv "${subdir}"/.deps; \
+          elif test -e "${subdir}"/.deps; then \
+            stat "${subdir}"/.deps; \
+          elif test -r "${subdir}"; then \
+            find "${subdir}" -name '*.Plo' -print; \
+          elif test -x "$(which sync)"; then \
+            sync; \
           fi; \
           if test -r "${subdir}"/Makefile && test -s "${subdir}"/Makefile && test -w "${subdir}"; then \
             pushd "${subdir}"; \
             echo "attempting to ensure depfiles are fine in ${subdir}..."; \
             make am--depfiles || make am--refresh || make distdir-am || stat Makefile; \
             popd; \
+          else \
+            echo "no usable Makefile found in ${subdir}"; \
           fi; \
         done
-        echo "hopefully libtool_gnu timestamps will be fine..."
+        sync && echo "hopefully libtool_gnu timestamps will be fine..."
     - name: Full build to get anything that might have been missed
       run: |
         cd src
@@ -138,16 +151,16 @@ jobs:
           echo "nproc says we can use $(nproc) build jobs"; \
           if test "$(nproc)" -eq 4; then \
             echo "special-casing the 4-job build case..."; \
-            (make -j"$(nproc)" || make -j2 || make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --verbosity=terse >>config.log || remake all-gdb >>config.log || clear); \
+            (make -j"$(nproc)" || make -j2 || make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --verbosity=terse >>config.log || remake all-gdb >>config.log || clear || stat Makefile); \
           else
-            (make -j"$(nproc)" || make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --versbosity=terse >>config.log || remake all-gdb >>config.log || clear); \
+            (make -j"$(nproc)" || make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --versbosity=terse >>config.log || remake all-gdb >>config.log || clear || stat Makefile); \
           fi; \
         elif test -x "$(which gnproc)" && test "$(gnproc)" -ge 2; then \
           echo "gnproc says we can use $(gnproc) build jobs"; \
-          (make -j"$(gnproc)" || make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --verbosity=terse >>config.log || remake all-gdb >>config.log || clear); \
+          (make -j"$(gnproc)" || make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --verbosity=terse >>config.log || remake all-gdb >>config.log || clear || stat Makefile); \
         else \
           echo "on the slow path..."; \
-          (make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --verbosity=terse >>config.log || remake all-gdb >>config.log || clear); \
+          (make || remake -dpPw --verbosity=terse >>config.log || remake --trace=noshell --verbosity=terse >>config.log || remake all-gdb >>config.log || clear || stat Makefile); \
         fi
     - run: cd src && make check-libiberty
     - run: cd src && sync && make -C tcl/unix tcltest && sync