[PATCH 1/4] go-mod.bbclass: Add class for `go mod` support

* [PATCH 1/4] go-mod.bbclass: Add class for `go mod` support
@ 2020-05-22  2:22 Otavio Salvador
  2020-05-22  2:22 ` [PATCH 2/4] glide: Avoid use of 'go mod' support Otavio Salvador
                   ` (3 more replies)
  0 siblings, 4 replies; 6+ messages in thread
From: Otavio Salvador @ 2020-05-22  2:22 UTC (permalink / raw)
  To: OpenEmbedded Core Mailing List; +Cc: Otavio Salvador

When using Go Modules, the the current working directory MUST be at or
below the location of the 'go.mod' file when the go tool is used, and
there is no way to tell it to look elsewhere.  It will automatically
look upwards for the file, but not downwards.

To support this use case, we provide the `GO_WORKDIR` variable, which
defaults to `GO_IMPORT` but allows for easy override.

[YOCTO #13883]

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
---

 meta/classes/go-mod.bbclass | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 meta/classes/go-mod.bbclass

diff --git a/meta/classes/go-mod.bbclass b/meta/classes/go-mod.bbclass
new file mode 100644
index 0000000000..5871d02506
--- /dev/null
+++ b/meta/classes/go-mod.bbclass
@@ -0,0 +1,20 @@
+# Handle Go Modules support
+#
+# When using Go Modules, the the current working directory MUST be at or below
+# the location of the 'go.mod' file when the go tool is used, and there is no
+# way to tell it to look elsewhere.  It will automatically look upwards for the
+# file, but not downwards.
+#
+# To support this use case, we provide the `GO_WORKDIR` variable, which defaults
+# to `GO_IMPORT` but allows for easy override.
+#
+# Copyright 2020 (C) O.S. Systems Software LTDA.
+
+# 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 ${GO_LDFLAGS} -modcacherw"
+
+inherit go
+
+GO_WORKDIR ?= "${GO_IMPORT}"
+do_compile[dirs] += "${B}/src/${GO_WORKDIR}"
-- 
2.26.2


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