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-rw-r--r--examples/lm3s/Makefile.include11
1 files changed, 8 insertions, 3 deletions
diff --git a/examples/lm3s/Makefile.include b/examples/lm3s/Makefile.include
index c119846..4d774be 100644
--- a/examples/lm3s/Makefile.include
+++ b/examples/lm3s/Makefile.include
@@ -24,9 +24,14 @@ CC = $(PREFIX)-gcc
LD = $(PREFIX)-gcc
OBJCOPY = $(PREFIX)-objcopy
OBJDUMP = $(PREFIX)-objdump
-# Uncomment this line if you want to use the installed (not local) library.
-# TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX)
-TOOLCHAIN_DIR = ../../../..
+ifeq ($(shell ls ../../../../../lib/libopencm3_lm3s.a 2>/dev/null),)
+TOOLCHAIN_DIR := $(shell dirname `which $(CC)`)/../$(PREFIX)
+else
+ifeq ($(V),1)
+$(info We seem to be building the example in the source directory. Using local library!)
+endif
+TOOLCHAIN_DIR := ../../../..
+endif
CFLAGS += -O0 -g3 -Wall -Wextra -I$(TOOLCHAIN_DIR)/include -fno-common \
-mcpu=cortex-m3 -mthumb -MD
LDSCRIPT ?= $(BINARY).ld