[PULL 04/27] configure/optionrom: Fix MSYS2 multiboot.bin issue

[Paolo Bonzini]

From: Helge Konetzka <hk@zapateado.de>

This patch enables native builds on MSYS2 with symlinks disabled.

Signed-off-by: Helge Konetzka <hk@zapateado.de>
Message-Id: <2b5ab039-8495-b55f-03f1-ecfd996907a9@zapateado.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure                  | 4 ++++
 pc-bios/optionrom/Makefile | 5 ++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/configure b/configure
index 07cb7b412a..03162008aa 100755
--- a/configure
+++ b/configure
@@ -3963,6 +3963,10 @@ for rom in seabios; do
     echo "RANLIB=$ranlib" >> $config_mak
 done
 
+config_mak=pc-bios/optionrom/config.mak
+echo "# Automatically generated by configure - do not modify" > $config_mak
+echo "TOPSRC_DIR=$source_path" >> $config_mak
+
 if test "$skip_meson" = no; then
   cross="config-meson.cross.new"
   meson_quote() {
diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile
index 30771f8d17..3482508a86 100644
--- a/pc-bios/optionrom/Makefile
+++ b/pc-bios/optionrom/Makefile
@@ -1,6 +1,5 @@
-CURRENT_MAKEFILE := $(realpath $(word $(words 
$(MAKEFILE_LIST)),$(MAKEFILE_LIST)))
-SRC_DIR := $(dir $(CURRENT_MAKEFILE))
-TOPSRC_DIR := $(SRC_DIR)/../..
+include config.mak
+SRC_DIR := $(TOPSRC_DIR)/pc-bios/optionrom
 VPATH = $(SRC_DIR)
 
 all: multiboot.bin linuxboot.bin linuxboot_dma.bin kvmvapic.bin pvh.bin
-- 
2.31.1