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Subject[PATCH v2] kbuild: forbid kernel directory to contain spaces and colons
Date
When the kernel path contains a space or a colon somewhere in the path
name, the modules_install target doesn't work anymore, as the path names
are not enclosed in double quotes. It is also supposed that and O= build
will suffer from the same weakness as modules_install.

Instead of checking and improving kbuild to resist to directories
including these characters, error out early to prevent any build if the
kernel's main directory contains a space.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
---
Since v1: add colon check as requested by Michal.
---
Makefile | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/Makefile b/Makefile
index 916b26e999d8..42e01dab13e7 100644
--- a/Makefile
+++ b/Makefile
@@ -128,6 +128,10 @@ _all:
# Cancel implicit rules on top Makefile
$(CURDIR)/Makefile Makefile: ;

+ifneq ($(words $(subst :, ,$(CURDIR))), 1)
+ $(error main directory cannot contain spaces nor colons)
+endif
+
ifneq ($(KBUILD_OUTPUT),)
# Invoke a second make in the output directory, passing relevant variables
# check that the output directory actually exists
--
2.1.4
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