From b2920402b4bdbb0523dcb5d8f89dd1c1f548b28b Mon Sep 17 00:00:00 2001
From: Dean Camera <dean@fourwalledcubicle.com>
Date: Tue, 10 Jul 2012 18:51:21 +0000
Subject: [PATCH] Add check and error to the BUILD module if OBJDIR option is
set but object filenames are not unique.
---
LUFA/Build/lufa.build.in | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/LUFA/Build/lufa.build.in b/LUFA/Build/lufa.build.in
index 9d527dde8..db0a78f21 100644
--- a/LUFA/Build/lufa.build.in
+++ b/LUFA/Build/lufa.build.in
@@ -148,6 +148,11 @@ ifneq ($(OBJDIR),.)
$(shell mkdir $(OBJDIR) 2> /dev/null)
VPATH += $(dir $(SRC))
OBJECT_FILES := $(addprefix $(patsubst %/,%,$(OBJDIR))/, $(notdir $(OBJECT_FILES)))
+
+ # Check if any object file (without path) appears more than once in the object file list
+ ifneq ($(words $(sort $(OBJECT_FILES))), $(words $(OBJECT_FILES)))
+ $(error Cannot build with OBJDIR parameter set - one or more object file name is not unique)
+ endif
endif
# Create a list of dependency files from the list of object files
--
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