powerpc/boot: Separate BOOTCFLAGS from BOOTASFLAGS

BOOTCFLAGS no longer contains anything that BOOTASFLAGS needs (except
-pipe). Separate them to avoid fragility with cross-contamination of
flags which has caused several build problems.

Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Link: https://lore.kernel.org/lkml/CAHk-=whyWUdJDeOBN1hRWYSkQkvzYiQ5RbSW5rJjExgnbSNX9Q@mail.gmail.com/
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20230606064657.183969-4-npiggin@gmail.com

diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 9445ec442512d8e2b373d1d87367f602d73fe505..9cdc0858b25699ec3f07b437d42c4985b4773832 100644 (file)
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -76,7 +76,7 @@ else
 BOOTTARGETFLAGS        += -mlittle-endian
 endif
 
-BOOTAFLAGS     := -D__ASSEMBLY__ $(BOOTTARGETFLAGS) $(BOOTCFLAGS)
+BOOTAFLAGS     := -D__ASSEMBLY__ $(BOOTTARGETFLAGS) -pipe
 
 BOOTARFLAGS    := -crD