From: Michael Brown <mcb30@ipxe.org>
Date: Tue, 24 Jun 2025 12:26:57 +0000 (+0100)
Subject: [pxe] Use a weak symbol for isapnp_read_port
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=97f40c5fcc4baa4ac9e69073db464fa62296855c;p=thirdparty%2Fipxe.git

[pxe] Use a weak symbol for isapnp_read_port

Use a weak symbol for isapnp_read_port used in pxe_preboot.c, rather
than relying on a common symbol.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
---

diff --git a/src/arch/x86/interface/pxe/pxe_preboot.c b/src/arch/x86/interface/pxe/pxe_preboot.c
index 77dcf66e7..863aaae9a 100644
--- a/src/arch/x86/interface/pxe/pxe_preboot.c
+++ b/src/arch/x86/interface/pxe/pxe_preboot.c
@@ -47,7 +47,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
 #include "pxe_call.h"
 
 /* Avoid dragging in isapnp.o unnecessarily */
-uint16_t isapnp_read_port;
+uint16_t isapnp_read_port __attribute__ (( weak ));
 
 /** Zero-based versions of PXENV_GET_CACHED_INFO::PacketType */
 enum pxe_cached_info_indices {