From 18c32dac75b187d1a4e858f3cfdf03e844129f5e Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@saturn.ravnborg.org>
Date: Sun, 9 Dec 2007 08:55:13 +0100
Subject: [PATCH] kbuild: fix building with O=.. options
The check introduced in commit:
4f1127e204377cbd2a56d112d323466f668e8334 "kbuild: fix
infinite make recursion"
caused certain external modules not to build and
also caused 'make targz-pkg' to fail.
This is a minimal fix so we revert to previous
behaviour - but we do not overwrite the Makefile
in the top-level directory.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Tested-by: Jay Cliburn <jacliburn@bellsouth.net>
Cc: Jay Cliburn <jacliburn@bellsouth.net>
---
Makefile | 3 ---
scripts/mkmakefile | 6 ++++++
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
index a5252f451bfd7..7fb1a2c083053 100644
--- a/Makefile
+++ b/Makefile
@@ -118,9 +118,6 @@ saved-output := $(KBUILD_OUTPUT)
KBUILD_OUTPUT := $(shell cd $(KBUILD_OUTPUT) && /bin/pwd)
$(if $(KBUILD_OUTPUT),, \
$(error output directory "$(saved-output)" does not exist))
-# Check that OUTPUT directory is not the same as where we have kernel src
-$(if $(filter-out $(KBUILD_OUTPUT),$(shell /bin/pwd)),, \
- $(error Output directory (O=...) specifies kernel src dir))
PHONY += $(MAKECMDGOALS) sub-make
diff --git a/scripts/mkmakefile b/scripts/mkmakefile
index ee39facee1523..9ad1bd793252f 100644
--- a/scripts/mkmakefile
+++ b/scripts/mkmakefile
@@ -11,6 +11,12 @@
test ! -r $2/Makefile -o -O $2/Makefile || exit 0
+# Only overwrite automatically generated Makefiles
+# (so we do not overwrite kernel Makefile)
+if ! grep -q Automatically $2/Makefile
+then
+ exit 0
+fi
echo " GEN $2/Makefile"
cat << EOF > $2/Makefile
--
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