Slightly better method of recursive make - use proper make dependencies to allow...

diff --git a/Bootloaders/makefile b/Bootloaders/makefile
index 01aa506..ba4f512 100644 (file)
--- a/Bootloaders/makefile
+++ b/Bootloaders/makefile
@@ -22,10 +22,23 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)

diff --git a/Demos/Device/ClassDriver/makefile b/Demos/Device/ClassDriver/makefile
index ad88000..3a5615e 100644 (file)
--- a/Demos/Device/ClassDriver/makefile
+++ b/Demos/Device/ClassDriver/makefile
@@ -22,10 +22,23 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)

diff --git a/Demos/Device/LowLevel/makefile b/Demos/Device/LowLevel/makefile
index ad88000..3a5615e 100644 (file)
--- a/Demos/Device/LowLevel/makefile
+++ b/Demos/Device/LowLevel/makefile
@@ -22,10 +22,23 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)

diff --git a/Demos/DualRole/ClassDriver/makefile b/Demos/DualRole/ClassDriver/makefile
index 741383f..71fb805 100644 (file)
--- a/Demos/DualRole/ClassDriver/makefile
+++ b/Demos/DualRole/ClassDriver/makefile
@@ -22,11 +22,23 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
 
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)

diff --git a/Demos/Host/ClassDriver/makefile b/Demos/Host/ClassDriver/makefile
index d9a3dc3..a2b14c8 100644 (file)
--- a/Demos/Host/ClassDriver/makefile
+++ b/Demos/Host/ClassDriver/makefile
@@ -22,10 +22,23 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)

diff --git a/Demos/Host/LowLevel/makefile b/Demos/Host/LowLevel/makefile
index d9a3dc3..a2b14c8 100644 (file)
--- a/Demos/Host/LowLevel/makefile
+++ b/Demos/Host/LowLevel/makefile
@@ -22,10 +22,23 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)

diff --git a/Projects/makefile b/Projects/makefile
index 2bc9f98..ec8e65b 100644 (file)
--- a/Projects/makefile
+++ b/Projects/makefile
@@ -22,10 +22,24 @@ ifeq ($(MAKELEVEL), 10)
    $(error EMERGENCY ABORT: INFINITE RECURSION DETECTED)
 endif
 
-all:
+# If building without a per-project object directory, we can't build in parallel
 ifeq ($(OBJDIR),)
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) clean all;)
+   .NOTPARALLEL:
+
+   # Ensure projects are pre-cleaned if the target is the default or "all"
+   ifeq ($(MAKECMDGOALS),)
+      MAKECMDGOALS := clean all
+   endif
+   ifneq ($(findstring all, $(MAKECMDGOALS)),)
+      MAKECMDGOALS := clean $(MAKECMDGOALS)
+   endif
 endif
 
-%:
-       @$(foreach PROJECT, $(PROJECT_DIRECTORIES), $(MAKE) -C $(PROJECT) $@;)
+%: $(PROJECT_DIRECTORIES)
+       @echo . > /dev/null
+
+$(PROJECT_DIRECTORIES):
+       @$(MAKE) -C $@ $(MAKECMDGOALS)
+    
+.PHONY: $(PROJECT_DIRECTORIES)
+