From c5d6d6d6d76189b9b2937295709b85654780e9db Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 3 Jan 2023 00:24:59 +0200
Subject: [PATCH] Define a macro to indicate which component is being built

This can be used in libraries to export or import functions across a DLL
interface as appropriate.
---
 source/lib/component.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/source/lib/component.cpp b/source/lib/component.cpp
index b98556c..2763909 100644
--- a/source/lib/component.cpp
+++ b/source/lib/component.cpp
@@ -4,6 +4,7 @@
 #include <msp/fs/stat.h>
 #include <msp/fs/utils.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include "builder.h"
 #include "component.h"
 #include "sourcepackage.h"
@@ -26,6 +27,7 @@ void Component::prepare()
 void Component::create_build_info()
 {
 	BuildInfo final_build_info;
+	final_build_info.defines[toupper(name)+"_BUILD"] = "1";
 
 	const Package::Requirements &pkg_reqs = package.get_required_packages();
 	Package::Requirements direct_reqs = requires;
-- 
2.43.0