go-mod.bbclass: use append to add `modcacherw`

This class provided default build flags but includes the base go class
which also provides default flags.  Use a different mechanism to
extend the default flags without discarding `-trimpath` from the base
class.

Signed-off-by: Peter A. Bigot <pab@pabigot.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

diff --git a/meta/classes/go-mod.bbclass b/meta/classes/go-mod.bbclass
index 5871d025067ef1d2af02cf6558cefb9444dd7789..cabb04d0ec00a1f5357b8bd9edd14da0bd1beed4 100644 (file)
--- a/meta/classes/go-mod.bbclass
+++ b/meta/classes/go-mod.bbclass
@@ -12,7 +12,7 @@
 
 # The '-modcacherw' option ensures we have write access to the cached objects so
 # we avoid errors during clean task as well as when removing the TMPDIR.
-export GOBUILDFLAGS ?= "-v ${GO_LDFLAGS} -modcacherw"
+GOBUILDFLAGS_append = " -modcacherw"
 
 inherit go