From: Maxin John <maxin.john@gmail.com>
To: linux-wireless@vger.kernel.org
Cc: johannes@sipsolutions.net
Subject: [PATCH] iw: Makefile: support out-of-tree builds
Date: Thu, 23 Apr 2026 14:31:54 +0300 [thread overview]
Message-ID: <20260423113154.1070521-1-maxin.john@gmail.com> (raw)
Enable out-of-tree builds without modifying the source tree.
Out-of-tree builds are required by build frameworks such as OpenEmbedded.
Signed-off-by: Maxin John <maxin.john@gmail.com>
---
Makefile | 23 ++++++++++++++++-------
1 file changed, 16 insertions(+), 7 deletions(-)
diff --git a/Makefile b/Makefile
index 2652fac4e6ee..fbbc3042cd37 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,8 @@
MAKEFLAGS += --no-print-directory
+SRCDIR := $(dir $(lastword $(MAKEFILE_LIST)))
+VPATH := $(SRCDIR)
+
PREFIX ?= /usr
SBINDIR ?= $(PREFIX)/sbin
MANDIR ?= $(PREFIX)/share/man
@@ -21,7 +24,11 @@ CFLAGS += -D__SANE_USERSPACE_TYPES__
CFLAGS += $(CFLAGS_EVAL)
CFLAGS += $(EXTRA_CFLAGS)
-_OBJS := $(sort $(patsubst %.c,%.o,$(wildcard *.c)))
+CPPFLAGS += -I$(SRCDIR)
+CPPFLAGS += -I.
+
+_SRCS := $(wildcard $(SRCDIR)/*.c)
+_OBJS := $(sort $(patsubst $(SRCDIR)/%.c,%.o,$(_SRCS)))
VERSION_OBJS := $(filter-out version.o, $(_OBJS))
OBJS := $(VERSION_OBJS) version.o
@@ -92,16 +99,18 @@ endif
all: $(ALL)
-version.c: version.sh $(patsubst %.o,%.c,$(VERSION_OBJS)) nl80211.h iw.h Makefile \
- $(wildcard .git/index .git/refs/tags)
+version.c: $(SRCDIR)/version.sh \
+ $(patsubst %.o,$(SRCDIR)/%.c,$(VERSION_OBJS)) \
+ $(SRCDIR)/nl80211.h $(SRCDIR)/iw.h $(SRCDIR)/Makefile \
+ $(wildcard $(SRCDIR)/.git/index $(SRCDIR)/.git/refs/tags)
@$(NQ) ' GEN ' $@
- $(Q)./version.sh $@
+ $(Q)$(SRCDIR)/version.sh $@
-nl80211-commands.inc: nl80211.h
+nl80211-commands.inc: $(SRCDIR)/nl80211.h
@$(NQ) ' GEN ' $@
- $(Q)sed 's%^\tNL80211_CMD_%%;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' nl80211.h | grep -v "reserved" > $@
+ $(Q)sed 's%^\tNL80211_CMD_%%;t n;d;:n s%^\([^=]*\),.*%\t[NL80211_CMD_\1] = \"\L\1\",%;t;d' $(SRCDIR)/nl80211.h | grep -v "reserved" > $@
-%.o: %.c iw.h nl80211.h nl80211-commands.inc
+%.o: %.c $(SRCDIR)/iw.h $(SRCDIR)/nl80211.h nl80211-commands.inc
@$(NQ) ' CC ' $@
$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
--
2.47.3
reply other threads:[~2026-04-23 11:31 UTC|newest]
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