EMTime/libopencm3
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[make] Use less shell variables

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Use fixed variables for things that can't change, instead of variables
like SRCLIBDIR that was causing a shell call for every single use.

Use less functions in general and less shell expansions.

Use builtin functions like $(realpath blah) instead of $(shell
pwd)/blah  In particular, this was important for me trying to build on
windows with git-shell.  This should help a lot on smaller build
machines, but doesn't make a huge difference on my own.

Remove redundant clean print messages. These also cause more needless
shell expansions.
This commit is contained in:
Karl Palsson
2013-05-22 21:21:12 +00:00
committed by Piotr Esden-Tempski
parent b876b72b39
commit bad5580492
2 changed files with 10 additions and 11 deletions
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12
Makefile
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@@ -26,13 +26,13 @@ else
DESTDIR ?= $(shell dirname $(shell readlink -f $(shell which $(PREFIX)-gcc)))/..
endif
INCDIR = $(DESTDIR)/$(PREFIX)/include
LIBDIR = $(DESTDIR)/$(PREFIX)/lib
SHAREDIR = $(DESTDIR)/$(PREFIX)/share/libopencm3/scripts
INSTALL = install
INCDIR := $(DESTDIR)/$(PREFIX)/include
LIBDIR := $(DESTDIR)/$(PREFIX)/lib
SHAREDIR := $(DESTDIR)/$(PREFIX)/share/libopencm3/scripts
INSTALL := install
SRCLIBDIR = $(shell pwd)/lib
TARGETS = stm32/f1 stm32/f2 stm32/f4 stm32/l1 lpc13xx lpc17xx lpc43xx lm3s lm4f efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg sam/3x sam/3n
SRCLIBDIR:= $(realpath lib)
TARGETS:= stm32/f1 stm32/f2 stm32/f4 stm32/l1 lpc13xx lpc17xx lpc43xx lm3s lm4f efm32/efm32tg efm32/efm32g efm32/efm32lg efm32/efm32gg sam/3x sam/3n
# Be silent per default, but 'make V=1' will show all compiler calls.
ifneq ($(V),1)