[Buildroot] [git commit] Revert "package/pkg-generic.mk: create directories upfront in the configure step"

Yann E. MORIN yann.morin.1998 at free.fr
Sun Aug 2 20:15:37 UTC 2020


commit: https://git.buildroot.net/buildroot/commit/?id=7f74b6168e7d119f1bf7f1da65b1d08a60c2df5a
branch: https://git.buildroot.net/buildroot/commit/?id=refs/heads/master

This _partially_ reverts commit 2dbb0660fb4d89f8eac86fcff08e9b3d0a705917.

Indeed, before 2dbb0660fb, the per-package ../host/ directory was
explicitly created right before it was populated. With 2dbb0660fb, it
is now created only at the beginning of the configure step.

However, some packages may have download or extract host dependencies,
and when we are trying to rsync them, the destination .../host/
directory does not yet exist at the download or extract steps, thus the
build fails. E.g., with wget which needs host-lzip if the system does
not have it yet:

    rsync -a --link-dest=/home/ymorin/dev/buildroot/O/per-package/host-lzip/host/ /home/ymorin/dev/buildroot/O/per-package/host-lzip/host/ /home/ymorin/dev/buildroot/O/per-package/wget/host
    rsync: mkdir "/home/ymorin/dev/buildroot/O/per-package/wget/host" failed: No such file or directory (2)
    rsync error: error in file IO (code 11) at main.c(682) [Receiver=3.1.3]
    make[1]: *** [package/pkg-generic.mk:170: /home/ymorin/dev/buildroot/O/build/wget-1.20.3/.stamp_extracted] Error 11

Kudos to Raphael for pin-pointing the culprit commit.

Fixes:
    http://autobuild.buildroot.org/results/4c8/4c895c7ac0a635d38f5015b5df0393581ad7b508/
    and a slew of similar failures

Notes:
An alternative solution would be to move the creation of the directories
from the configure step to the download step *and* to the rsync step,
but this is not so nice in the end... Let's just ensure they are created
where needed: at the configure step, and when populating them.

Reported-by: Raphael Jacob <r.jacob2002 at gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998 at free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
---
 package/pkg-utils.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/pkg-utils.mk b/package/pkg-utils.mk
index b17b5465af..d88a14ab0f 100644
--- a/package/pkg-utils.mk
+++ b/package/pkg-utils.mk
@@ -163,6 +163,7 @@ ifeq ($(BR2_PER_PACKAGE_DIRECTORIES),y)
 # $2: 'host' or 'target'
 # $3: destination directory
 define per-package-rsync
+	mkdir -p $(3)
 	$(foreach pkg,$(1),\
 		rsync -a --link-dest=$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \
 		$(PER_PACKAGE_DIR)/$(pkg)/$(2)/ \


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