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utils/: Fix and enhance Makefile

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Not only for typical cross-compilation build environments:

- allow to use CC definition from build environment
- ditto for PREFIX, packaging typically wants to use /usr
- use CPPFLAGS for include paths and just append
- let build environment decide about things like -Ox,
  append rest of flags to CFLAGS
- use LDFLAGS, typically set by build environment

Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com>
This commit is contained in:
Joachim Foerster 2021-10-21 11:08:17 +02:00 committed by Alex Forencich
parent b79487dbf3
commit 2390ac9a23
1 changed files with 12 additions and 9 deletions
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21
utils/Makefile
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@ -1,15 +1,18 @@
PREFIX = /usr/local
PREFIX ?= /usr/local
BINDIR = $(DESTDIR)$(PREFIX)/bin
CC = gcc
CFLAGS = -O3 -Wall -I../modules/mqnic
CC ?= gcc
CFLAGS ?= -O3
CFLAGS += -Wall
CPPFLAGS += -I../modules/mqnic
BIN = mqnic-config mqnic-dump mqnic-fw mqnic-bmc perout
GENDEPFLAGS = -MD -MP -MF .$(@F).d
ALL_CFLAGS = $(CFLAGS) $(GENDEPFLAGS)
ALL_CFLAGS = $(CFLAGS) $(CPPFLAGS) $(GENDEPFLAGS)
all: $(BIN)
@ -17,19 +20,19 @@ all: $(BIN)
$(CC) $(ALL_CFLAGS) -c -o $@ $<
mqnic-config: mqnic-config.o mqnic.o timespec.o
$(CC) $(ALL_CFLAGS) $^ -o $@
$(CC) $(ALL_CFLAGS) $(LDFLAGS) $^ -o $@
mqnic-dump: mqnic-dump.o mqnic.o
$(CC) $(ALL_CFLAGS) $^ -o $@
$(CC) $(ALL_CFLAGS) $(LDFLAGS) $^ -o $@
mqnic-fw: mqnic-fw.o mqnic.o flash.o flash_spi.o flash_bpi.o fpga_id.o bitfile.o
$(CC) $(ALL_CFLAGS) $^ -o $@
$(CC) $(ALL_CFLAGS) $(LDFLAGS) $^ -o $@
mqnic-bmc: mqnic-bmc.o mqnic.o
$(CC) $(ALL_CFLAGS) $^ -o $@
$(CC) $(ALL_CFLAGS) $(LDFLAGS) $^ -o $@
perout: perout.o timespec.o
$(CC) $(ALL_CFLAGS) $^ -o $@
$(CC) $(ALL_CFLAGS) $(LDFLAGS) $^ -o $@
install:
install -d $(BINDIR)