Add macro -DARDUINO_LIB_DISCOVERY_PHASE during lib discovery phase (arduino#633)

facchinm · web-flow · commit 985b2c99c8a4 · 2020-03-24T11:12:24.000+01:00
This information can be used by the core to turn off certain heavyweight headers (that don't need to be discovered anyway)
diff --git a/legacy/builder/gcc_preproc_runner.go b/legacy/builder/gcc_preproc_runner.go
@@ -77,6 +77,8 @@ func prepareGCCPreprocRecipeProperties(ctx *types.Context, sourceFilePath *paths
 	// to create a /dev/null.d dependency file, which won't work.
 	cmd.Args = utils.Filter(cmd.Args, func(a string) bool { return a != "-MMD" })
 
+	cmd.Args = append(cmd.Args, "-DARDUINO_LIB_DISCOVERY_PHASE")
+
 	return cmd, nil
 }
 

Original file line number	Diff line number	Diff line change
`@@ -77,6 +77,8 @@ func prepareGCCPreprocRecipeProperties(ctx types.Context, sourceFilePath paths`
`77`	`77`	`// to create a /dev/null.d dependency file, which won't work.`
`78`	`78`	`cmd.Args = utils.Filter(cmd.Args, func(a string) bool { return a != "-MMD" })`
`79`	`79`
	`80`	`+ cmd.Args = append(cmd.Args, "-DARDUINO_LIB_DISCOVERY_PHASE")`
	`81`	`+`
`80`	`82`	`return cmd, nil`
`81`	`83`	`}`
`82`	`84`