With HAS_SMP set, we have:

  libbsp_a_LIBADD += appstart.$(OBJEXT)

When trying to build appstart.o, however, we link start.o with appcpustart.o
through the linkcmds script, which leaves several symbols unresolved, and
without the "-r" (or -i) flag, this throws undefined reference errors.

This change requires us to re-run the ./bootstrap script to regenerate
Makefile.in, and therefore the Makefile for the particular BSP as well.

Complete log of errors available here:

Updates #3331
 c/src/lib/libbsp/i386/pc386/Makefile.am | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/c/src/lib/libbsp/i386/pc386/Makefile.am 
index 0acce55c44..a8b469120b 100644
--- a/c/src/lib/libbsp/i386/pc386/Makefile.am
+++ b/c/src/lib/libbsp/i386/pc386/Makefile.am
@@ -154,7 +154,7 @@ appcpustart.$(OBJEXT): start/start16.S
 appstart.$(OBJEXT): appcpustart.$(OBJEXT)
-       $(LD) -N -T $(top_srcdir)/startup/linkcmds \
+       $(LD) -r -N -T $(top_srcdir)/startup/linkcmds \
            -Ttext 0x70000 -e app_processor_start -nostdlib \
            -o appstart_tmp.exe $<
        $(OBJCOPY) -O binary appstart_tmp.exe appstart.bin

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