linux-kernel - [tip: x86/misc] tools/x86/kcpuid: Add missing dir via Makefile

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Date: Fri, 07 Jun 2024 21:38:07 -0000
From: "tip-bot2 for Christian Heusel" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Christian Heusel <christian@...sel.eu>,
 "Borislav Petkov (AMD)" <bp@...en8.de>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/misc] tools/x86/kcpuid: Add missing dir via Makefile

The following commit has been merged into the x86/misc branch of tip:

Commit-ID:     f6d116e080604251880b4957843f9b1f6fdfa30f
Gitweb:        https://git.kernel.org/tip/f6d116e080604251880b4957843f9b1f6fdfa30f
Author:        Christian Heusel <christian@...sel.eu>
AuthorDate:    Fri, 31 May 2024 13:17:58 +02:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Fri, 07 Jun 2024 23:30:52 +02:00

tools/x86/kcpuid: Add missing dir via Makefile

So far the Makefile just installed the csv into $(HWDATADIR)/cpuid.csv, which
made it unaware about $DESTDIR. Add $DESTDIR to the install command and while
at it also create the directory, should it not exist already. This eases the
packaging of kcpuid and allows i.e. for the install on Arch to look like this:

  $ make BINDIR=/usr/bin DESTDIR="$pkgdir" -C tools/arch/x86/kcpuid install

Some background on DESTDIR:

DESTDIR is commonly used in packaging for staged installs (regardless of the
used package manager):

  https://www.gnu.org/prep/standards/html_node/DESTDIR.html

So the package is built and installed into a directory which the package
manager later picks up and creates some archive from it.

What is specific to Arch Linux here is only the usage of $pkgdir in the
example, DESTDIR itself is widely used.

  [ bp: Extend the commit message with Christian's info on DESTDIR as a GNU
    coding standards thing. ]

Signed-off-by: Christian Heusel <christian@...sel.eu>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20240531111757.719528-2-christian@heusel.eu
---
 tools/arch/x86/kcpuid/Makefile | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/arch/x86/kcpuid/Makefile b/tools/arch/x86/kcpuid/Makefile
index 87b554f..d0b4b0e 100644
--- a/tools/arch/x86/kcpuid/Makefile
+++ b/tools/arch/x86/kcpuid/Makefile
@@ -19,6 +19,6 @@ clean :
 	@rm -f kcpuid
 
 install : kcpuid
-	install -d  $(DESTDIR)$(BINDIR)
+	install -d  $(DESTDIR)$(BINDIR) $(DESTDIR)$(HWDATADIR)
 	install -m 755 -p kcpuid $(DESTDIR)$(BINDIR)/kcpuid
-	install -m 444 -p cpuid.csv $(HWDATADIR)/cpuid.csv
+	install -m 444 -p cpuid.csv $(DESTDIR)$(HWDATADIR)/cpuid.csv