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Message-Id: <20240906-macos-build-support-v2-2-06beff418848@samsung.com>
Date: Fri, 06 Sep 2024 13:01:29 +0200
From: Daniel Gomez via B4 Relay <devnull+da.gomez.samsung.com@...nel.org>
To: Masahiro Yamada <masahiroy@...nel.org>, 
 Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>, 
 Lucas De Marchi <lucas.demarchi@...el.com>, 
 Thomas Hellström <thomas.hellstrom@...ux.intel.com>, 
 Rodrigo Vivi <rodrigo.vivi@...el.com>, 
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, 
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, 
 David Airlie <airlied@...il.com>, William Hubbs <w.d.hubbs@...il.com>, 
 Chris Brannon <chris@...-brannons.com>, Kirk Reiser <kirk@...sers.ca>, 
 Samuel Thibault <samuel.thibault@...-lyon.org>, 
 Paul Moore <paul@...l-moore.com>, 
 Stephen Smalley <stephen.smalley.work@...il.com>, 
 Ondrej Mosnacek <omosnace@...hat.com>, 
 Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
 Marc Zyngier <maz@...nel.org>, Oliver Upton <oliver.upton@...ux.dev>, 
 James Morse <james.morse@....com>, 
 Suzuki K Poulose <suzuki.poulose@....com>, 
 Zenghui Yu <yuzenghui@...wei.com>, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 Jiri Slaby <jirislaby@...nel.org>, 
 Nick Desaulniers <ndesaulniers@...gle.com>, 
 Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, 
 Simona Vetter <simona.vetter@...ll.ch>
Cc: linux-kernel@...r.kernel.org, linux-kbuild@...r.kernel.org, 
 intel-xe@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, 
 speakup@...ux-speakup.org, selinux@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.linux.dev, 
 linux-serial@...r.kernel.org, llvm@...ts.linux.dev, 
 Finn Behrens <me@...enk.dev>, 
 "Daniel Gomez (Samsung)" <d+samsung@...ces.com>, gost.dev@...sung.com, 
 Daniel Gomez <da.gomez@...sung.com>
Subject: [PATCH v2 2/8] file2alias: fix uuid_t definitions for macos

From: Daniel Gomez <da.gomez@...sung.com>

The uuid_t struct defined in sys/types.h on macOS hosts conflicts with
the one defined in file2alias, resulting in the typedef redefinition
error below. To resolve this conflict, define the _UUID_T and
__GETHOSTUUID_ in file2alias HOSTCFLAGS.

Error:
  HOSTCC  scripts/mod/file2alias.o scripts/mod/file2alias.c:45:3:
error: typedef redefinition with different types ('struct uuid_t' vs
'__darwin_uuid_t' (aka 'unsigned char[16]'))    45 | } uuid_t;       |
^
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   sys/_types/_uuid_t.h:31:25: note: previous definition is here 31 |
   typedef __darwin_uuid_t uuid_t;    |                         ^
scripts/mod/file2alias.c:1354:7: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1354 |
 uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1354:19: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1354 |
 uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1354:31: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1354 |
 uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1354:43: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1354 |
 uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1354:55: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1354 |
 uuid->b[0], uuid->b[1], uuid->b[2], uuid->b[3], uuid->b[4],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1355:7: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1355 |
 uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1355:19: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1355 |
 uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1355:31: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1355 |
 uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1355:43: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1355 |
 uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1355:55: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1355 |
 uuid->b[5], uuid->b[6], uuid->b[7], uuid->b[8], uuid->b[9],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1356:7: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1356 |
 uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1356:20: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1356 |
 uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1356:33: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1356 |
 uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1356:46: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1356 |
 uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1356:59: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1356 |
 uuid->b[10], uuid->b[11], uuid->b[12], uuid->b[13], uuid->b[14],      |
 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
scripts/mod/file2alias.c:1357:7: error: member reference base
 type 'typeof (((struct tee_client_device_id *)0)->uuid)' (aka
 'unsigned char[16]') is not a structure or union 1357 |
 uuid->b[15]);      |                 ~~~~^ ~
/Library/Developer/CommandLineTools/SDKs/MacOSX14.sdk/usr/include/
   secure/_stdio.h:47:56: note: expanded from macro 'sprintf' 47 |
   __builtin___sprintf_chk (str, 0, __darwin_obsz(str), __VA_ARGS__)
   |                                                        ^~~~~~~~~~~
17 errors generated.

Suggested-by: Nicolas Schier <nicolas@...sle.eu>
Signed-off-by: Daniel Gomez <da.gomez@...sung.com>
---
 scripts/mod/Makefile     | 2 ++
 scripts/mod/file2alias.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/scripts/mod/Makefile b/scripts/mod/Makefile
index c729bc936bae..75c12c045f21 100644
--- a/scripts/mod/Makefile
+++ b/scripts/mod/Makefile
@@ -8,6 +8,8 @@ modpost-objs	:= modpost.o file2alias.o sumversion.o symsearch.o
 
 devicetable-offsets-file := devicetable-offsets.h
 
+HOSTCFLAGS_file2alias.o += -D_UUID_T -D__GETHOSTUUID_H
+
 $(obj)/$(devicetable-offsets-file): $(obj)/devicetable-offsets.s FORCE
 	$(call filechk,offsets,__DEVICETABLE_OFFSETS_H__)
 
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 99dce93a4188..ab743f6d60ef 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -11,6 +11,9 @@
  */
 
 #include "modpost.h"
+#ifdef __APPLE__
+#define uuid_t sys_uuid_t
+#endif
 #include "devicetable-offsets.h"
 
 /* We use the ELF typedefs for kernel_ulong_t but bite the bullet and

-- 
2.46.0



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