From c724f92c8937cb8fa99777bc7a61fc2527b63a35 Mon Sep 17 00:00:00 2001
From: Mikael Djurfeldt <mikael@djurfeldt.com>
Date: Tue, 13 May 2025 15:55:17 +0200
Subject: [PATCH] Enable building in separate directory.

* libguile/whippet/embed.am: Add -I$(top_builddir) to WHIPPET_CPPFLAGS.
---
 libguile/whippet/embed.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libguile/whippet/embed.am b/libguile/whippet/embed.am
index 7bf3a7120..12200c693 100644
--- a/libguile/whippet/embed.am
+++ b/libguile/whippet/embed.am
@@ -149,7 +149,7 @@ WHIPPET_CPPFLAGS_heap_conservative_parallel_generational_mmc = \
   -DGC_CONSERVATIVE_ROOTS=1 -DGC_CONSERVATIVE_TRACE=1 -DGC_GENERATIONAL=1 -DGC_PARALLEL=1
 
 WHIPPET_CPPFLAGS    = $(WHIPPET_CPPFLAGS_$(subst -,_,$(WHIPPET_COLLECTOR)))
-WHIPPET_CPPFLAGS    += -I$(srcdir)/%D%/api
+WHIPPET_CPPFLAGS    += -I$(top_builddir) -I$(srcdir)/%D%/api
 WHIPPET_IMPL_CFLAGS = -fno-strict-aliasing
 WHIPPET_LIBS        = -lm