[OE-core] [PATCH v5 09/26] go.bbclass: Use an auxiliary variable to add the build dependencies

[Otavio Salvador]

This is going to easy the addition of nativesdk and virtual providers
in the future.

This change is based on the meta-golang[1] layer. Thanks to Matt
Madison <matt at madison.systems> for his work on this.

1. https://github.com/madisongh/meta-golang

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

Changes in v6: None
Changes in v5: None
Changes in v4: None
Changes in v3: None
Changes in v2: None

 meta/classes/go.bbclass | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/meta/classes/go.bbclass b/meta/classes/go.bbclass
index 6df73bf377..82b5f83aa0 100644
--- a/meta/classes/go.bbclass
+++ b/meta/classes/go.bbclass
@@ -24,6 +24,11 @@ GOROOT = "${STAGING_LIBDIR_NATIVE}/${TARGET_SYS}/go"
 GOBIN_FINAL_class-native = "${GOROOT_FINAL}/bin"
 GOBIN_FINAL = "${GOROOT_FINAL}/${GO_BUILD_BINDIR}"
 
+DEPENDS_GOLANG_class-target = "go-cross-${TARGET_ARCH}"
+DEPENDS_GOLANG_class-native = "go-native"
+
+DEPENDS_append = " ${DEPENDS_GOLANG}"
+
 export GOBUILDFLAGS ?= "-v"
 GOBUILDFLAGS_prepend_task-compile = "${GO_PARALLEL_BUILD} "
 
@@ -43,9 +48,6 @@ export CGO_CPPFLAGS = "${TARGET_CPPFLAGS}"
 export CGO_CXXFLAGS = "${TARGET_CC_ARCH}${TOOLCHAIN_OPTIONS} ${TARGET_CXXFLAGS}"
 export CGO_LDFLAGS = "${TARGET_CC_ARCH}${TOOLCHAIN_OPTIONS} ${TARGET_LDFLAGS}"
 
-DEPENDS += "go-cross-${TARGET_ARCH}"
-DEPENDS_class-native += "go-native"
-
 FILES_${PN}-staticdev += "${GOSRC_FINAL}/${GO_IMPORT}"
 FILES_${PN}-staticdev += "${GOPKG_FINAL}/${GO_IMPORT}*"
 
-- 
2.14.1