Add soong_config_get
Having a function to get soong config variables
makes it easier to convert to starlark.
Bug: 201700692
Test: m RBC_PRODUCT_CONFIG=1 RBC_BOARD_CONFIG=1 nothing and check output files
Change-Id: I8627555df10d3f66f6154c00be9f0565076f1f94
diff --git a/core/config.mk b/core/config.mk
index e24e957..93052ad 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -304,7 +304,7 @@
endef
# soong_config_append appends to the value of the variable in the given Soong
-# config namespace. If the varabile does not exist, it will be defined. If the
+# config namespace. If the variable does not exist, it will be defined. If the
# namespace does not exist, it will be defined.
# $1 is the namespace, $2 is the variable name, $3 is the value
define soong_config_append
@@ -312,6 +312,14 @@
$(eval SOONG_CONFIG_$(strip $1)_$(strip $2):=$(SOONG_CONFIG_$(strip $1)_$(strip $2)) $3)
endef
+# soong_config_append gets to the value of the variable in the given Soong
+# config namespace. If the namespace or variables does not exist, an
+# empty string will be returned.
+# $1 is the namespace, $2 is the variable name
+define soong_config_get
+$(SOONG_CONFIG_$(strip $1)_$(strip $2))
+endef
+
# Set the extensions used for various packages
COMMON_PACKAGE_SUFFIX := .zip
COMMON_JAVA_PACKAGE_SUFFIX := .jar