You can’t build the 32-bit bootloader on x86_64 without crosstools. You’ll need to disable building of the bootloaders by commenting out a line in the build scripts:
diff --git a/build/jam/packages/Haiku b/build/jam/packages/Haiku
index c474aa503a..b3649a14f8 100644
--- a/build/jam/packages/Haiku
+++ b/build/jam/packages/Haiku
@@ -18,7 +18,7 @@ for driver in $(SYSTEM_ADD_ONS_DRIVERS_NET) {
# bootloaders
local bootTarget ;
for bootTarget in $(HAIKU_BOOT_TARGETS) {
- AddFilesToPackage data platform_loaders : haiku_loader.$(bootTarget) ;
+# AddFilesToPackage data platform_loaders : haiku_loader.$(bootTarget) ;
}
# modules