[GitHub] [incubator-nuttx] Ouss4 commented on a change in pull request #5055: Improve Makefile.[unix|win]::context's dependencies

[GitBox <gi...@apache.org>]

Ouss4 commented on a change in pull request #5055:
URL: https://github.com/apache/incubator-nuttx/pull/5055#discussion_r773502482



##########
File path: tools/Makefile.unix
##########
@@ -336,11 +328,36 @@ dirlinks: include/arch include/arch/board include/arch/chip $(ARCH_SRC)/board $(
 # the config.h and version.h header files in the include/nuttx directory and
 # the establishment of symbolic links to configured directories.
 
-context: include/nuttx/config.h include/nuttx/version.h include/math.h include/float.h include/stdarg.h include/setjmp.h dirlinks
-	$(Q) mkdir -p staging
-	$(Q) for dir in $(CONTEXTDIRS) ; do \
-		$(MAKE) -C $$dir context || exit; \
-	done
+# Generate a pattern to make Directories.mk context
+
+CONTEXTDIRS_DEPS = $(patsubst %,%/.context,$(CONTEXTDIRS))
+
+context: include/nuttx/config.h include/nuttx/version.h dirlinks $(CONTEXTDIRS_DEPS) | staging
+
+staging:
+	$(Q) mkdir -p $@
+
+# Pattern rule for $(CONTEXTDIRS_DEPS)
+
+%.context:
+	$(MAKE) -C $(patsubst %.context,%,$@) TOPDIR="$(TOPDIR)" context;
+	touch $@

Review comment:
       ```suggestion
   	$(Q) $(MAKE) -C $(patsubst %.context,%,$@) TOPDIR="$(TOPDIR)" context;
   	$(Q) touch $@
   ```
   I noticed some extra output when building.




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