o kicad-mkdeps: making individual dep files for sch and pcb.

1 files changed, 31 insertions, 34 deletions

diff --git a/src/ee/tools/kicad_mkdeps.py b/src/ee/tools/kicad_mkdeps.py
index 10c7e97..3094232 100644
--- a/src/ee/tools/kicad_mkdeps.py
+++ b/src/ee/tools/kicad_mkdeps.py
@@ -12,51 +12,45 @@ def p(msg):
 
 
 def work(args):
-    sch = kicad.read_schematics(args.sch)
-
-    p("# This file is generated")
-    p("ifeq ($(EE),)")
-    p("  $(error EE must be set)")
-    p("endif")
-    p("")
-    p("SCH_FILES =")
-    for s in sch.schematics:
-        p("SCH_FILES += {}".format(s.path))
-
-    if args.gerber:
-        p("# Gerber rules")
-        p("ifeq ($(GERBER_ZIP),)")
-        p("  $(error GERBER_ZIP must be set)")
+    if args.sch:
+        sch = kicad.read_schematics(args.sch)
+
+        p("# This file is generated")
+        p("ifeq ($(EE),)")
+        p("  $(error EE must be set)")
         p("endif")
-        p("gerbers: $(GERBER_ZIP)")
-        p("$(GERBER_ZIP): $(SCH_FILES)")
-        p("\t@echo GERBER")
-        p("\t$(EE) kicad-gerber \\")
-        p("\t\t--output-dir $(GERBER_DIR) \\")
-        p("\t\t--pcb $(PROJECT).kicad_pcb \\")
-        p("\t\t$(GERBER_ARGS)")
-        p("\tmkdir -p $(dir $@)")
-        p("\t(cd $(GERBER_DIR); zip tmp.zip $(foreach GBR,$(GERBERS),$(notdir $(GBR))))")
-        p("\tmv $(GERBER_DIR)/tmp.zip $@")
-        p("EE_OUTPUTS += $(GERBER_ZIP)")
         p("")
-
-    p("")
-    p("# Utility targets")
-    p(".PHONY: schematic pcb gerber")
-    p("schematic: $(SCH_FILES)")
-    p("pcb: {}".format(args.pcb))
+        p("SCH_FILES =")
+        for s in sch.schematics:
+            p("SCH_FILES += {}".format(s.path))
+
+    if args.pcb:
+        if args.gerber:
+            p("# Gerber rules")
+            p("ifeq ($(GERBER_ZIP),)")
+            p("  $(error GERBER_ZIP must be set)")
+            p("endif")
+            p("gerbers: $(GERBER_ZIP)")
+            p("$(GERBER_ZIP): $(SCH_FILES)")
+            p("\t@echo GERBER")
+            p("\t$(EE) kicad-gerber \\")
+            p("\t\t--output-dir $(GERBER_DIR) \\")
+            p("\t\t--pcb $(PROJECT).kicad_pcb \\")
+            p("\t\t$(GERBER_ARGS)")
+            p("\tmkdir -p $(dir $@)")
+            p("\t(cd $(GERBER_DIR); zip tmp.zip $(foreach GBR,$(GERBERS),$(notdir $(GBR))))")
+            p("\tmv $(GERBER_DIR)/tmp.zip $@")
+            p("EE_OUTPUTS += $(GERBER_ZIP)")
+            p("")
 
 
 parser = argparse.ArgumentParser(description="Create a Makefile with all dependencies")
 
 parser.add_argument("--sch",
-                    required=True,
                     metavar="SCH",
                     help="Schematic file")
 
 parser.add_argument("--pcb",
-                    required=True,
                     metavar="PCB",
                     help="PCB file")
 
@@ -70,6 +64,9 @@ parser.add_argument("--gerber",
 
 args = parser.parse_args()
 
+if not args.sch and not args.pcb:
+    print("At least one of --sch or --pcb has to be used", file=sys.stderr)
+
 if args.out:
     with open(args.out, "w") as f:
         out_file = f