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Message-ID: <20250625073054.802365-1-rdunlap@infradead.org> Date: Wed, 25 Jun 2025 00:30:54 -0700 From: Randy Dunlap <rdunlap@...radead.org> To: linux-kernel@...r.kernel.org Cc: Randy Dunlap <rdunlap@...radead.org>, "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>, Helge Deller <deller@....de>, linux-parisc@...r.kernel.org Subject: [PATCH] parisc: Makefile: explain that 64BIT requires both 32-bit and 64-bit compilers For building a 64-bit kernel, both 32-bit and 64-bit VDSO binaries are built, so both 32-bit and 64-bit compilers (and tools) should be in the PATH environment variable. Signed-off-by: Randy Dunlap <rdunlap@...radead.org> Cc: "James E.J. Bottomley" <James.Bottomley@...senPartnership.com> Cc: Helge Deller <deller@....de> Cc: linux-parisc@...r.kernel.org --- This wasn't obvious to me; I was seeing lots of Assembler errors when only the 64-bit tools were in $PATH. I didn't find a better place to document this. arch/parisc/Makefile | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) --- lnx-616-rc3.orig/arch/parisc/Makefile +++ lnx-616-rc3/arch/parisc/Makefile @@ -39,7 +39,9 @@ endif export LD_BFD -# Set default 32 bits cross compilers for vdso +# Set default 32 bits cross compilers for vdso. +# This means that for 64BIT, both the 64-bit tools and the 32-bit tools +# need to be in the path. CC_ARCHES_32 = hppa hppa2.0 hppa1.1 CC_SUFFIXES = linux linux-gnu unknown-linux-gnu suse-linux CROSS32_COMPILE := $(call cc-cross-prefix, \
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