From ca89e26664a64000513f024dbac80ff99c712229 Mon Sep 17 00:00:00 2001
From: Cristian Maglie <c.maglie@arduino.cc>
Date: Thu, 3 Oct 2024 16:54:37 +0200
Subject: [PATCH] Preload all source headers before writing the lib cache

---
 .../arduino/libraries/librariesmanager/librariesmanager.go   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/internal/arduino/libraries/librariesmanager/librariesmanager.go b/internal/arduino/libraries/librariesmanager/librariesmanager.go
index 8406e179011..b4b7c43f54e 100644
--- a/internal/arduino/libraries/librariesmanager/librariesmanager.go
+++ b/internal/arduino/libraries/librariesmanager/librariesmanager.go
@@ -251,6 +251,11 @@ func (lm *LibrariesManager) loadLibrariesFromDir(librariesDir *LibrariesDir) []*
 			s := status.Newf(codes.FailedPrecondition, "creating lib cache %[1]s: %[2]s", cacheFilePath, err)
 			return append(statuses, s)
 		}
+		// Preload source files and header
+		for _, lib := range loadedLibs {
+			lib.SourceHeaders()
+		}
+		// Write the cache
 		err = loadedLibs.MarshalBinary(cache, librariesDir.Path)
 		cache.Close()
 		if err != nil {