optionroms: Silence intermediate file removal
The build process of optionroms spits out an "rm ..." line. Moreover, it
removes all .o files that can be handy for debugging purposes. So
disable automatic intermediate removal.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
diff --git a/pc-bios/optionrom/Makefile b/pc-bios/optionrom/Makefile
index 51da288..2caf7e6 100644
--- a/pc-bios/optionrom/Makefile
+++ b/pc-bios/optionrom/Makefile
@@ -16,6 +16,9 @@
build-all: multiboot.bin linuxboot.bin
+# suppress auto-removal of intermediate files
+.SECONDARY:
+
%.img: %.o
$(call quiet-command,$(LD) -Ttext 0 -e _start -s -o $@ $<," Building $(TARGET_DIR)$@")
