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Make the STM32 Makefile.includes usable from outside the examples tree

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The Makefile.includes contain a hardcoded ../../../../../libopencm3
path for the TOOLCHAIN_DIR variable. They also contained another copy
of this hardcoded path, that is now generated from $TOOLCHAIN_DIR.

This allows to have a symbolic link to a Makefile.include in an
out-of-tree project and reuse the Makefile infrastructure.
This commit is contained in:
Onno Kortmann
2013-12-05 21:31:38 -08:00
committed by Piotr Esden-Tempski
parent c0791cd4a7
commit 3efd9f8675
4 changed files with 4 additions and 4 deletions
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2
examples/stm32/f2/Makefile.include
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@@ -28,7 +28,7 @@ OBJDUMP = $(PREFIX)-objdump
GDB = $(PREFIX)-gdb
TOOLCHAIN_DIR ?= ../../../../../libopencm3
ifeq ($(wildcard ../../../../../libopencm3/lib/libopencm3_stm32f2.a),)
ifeq ($(wildcard $(TOOLCHAIN_DIR)/lib/libopencm3_stm32f2.a),)
ifneq ($(strip $(shell which $(CC))),)
TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX)
endif