[PATCH] buildchroot: Install ccache into the buildchroot only when enabled

[Florian Bezdeka <florian.bezdeka@siemens.com>]

This fixes a corner case where the buildchroot is not directly fetched
from Debian upstream repos but from something like a (manually
maintained) snapshot. There is no guarantee that the ccache packet is
available inside the buildchroot packet feed.

As soon as ccache is enabled by setting "USE_CCACHE" to "1" the packet
will be installed into the buildchroot.

Fixes: 20a2ff7704a2 ("meta: Support for ccache for custom packages")
Signed-off-by: Florian Bezdeka <florian.bezdeka@siemens.com>
---
 meta/recipes-devtools/buildchroot/buildchroot.inc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/meta/recipes-devtools/buildchroot/buildchroot.inc b/meta/recipes-devtools/buildchroot/buildchroot.inc
index aa190e9..c3067ad 100644
--- a/meta/recipes-devtools/buildchroot/buildchroot.inc
+++ b/meta/recipes-devtools/buildchroot/buildchroot.inc
@@ -32,7 +32,7 @@ BUILDCHROOT_PREINSTALL_COMMON = " \
     make \
     debhelper \
     autotools-dev \
-    ccache \
+    ${@ 'ccache' if d.getVar('USE_CCACHE') == '1' else ''} \
     dpkg \
     locales \
     docbook-to-man \
-- 
2.35.3