[PATCH v3 1/4] scripts/generate_iga64_codes: add iga64_macros.h to checksum calculation

[Andrzej Hajda <andrzej.hajda@intel.com>]

Since generated code depends on iga64_macros.h assemblies should be
recompiled on it's change as well.

v2:
  - added warning to iga64_macros.h (Zbigniew)

Signed-off-by: Andrzej Hajda <andrzej.hajda@intel.com>
Reviewed-by: Zbigniew Kempczyński <zbigniew.kempczynski@intel.com>
---
 lib/iga64_generated_codes.c  | 2 +-
 lib/iga64_macros.h           | 5 ++++-
 lib/meson.build              | 1 +
 scripts/generate_iga64_codes | 2 +-
 4 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/lib/iga64_generated_codes.c b/lib/iga64_generated_codes.c
index 6638be07b356..41be66f74486 100644
--- a/lib/iga64_generated_codes.c
+++ b/lib/iga64_generated_codes.c
@@ -3,7 +3,7 @@
 
 #include "gpgpu_shader.h"
 
-#define MD5_SUM_IGA64_ASMS ec9d477415eebb7d6983395f1bcde78f
+#define MD5_SUM_IGA64_ASMS 09d72b5fd1f62c8c2905caa80f400567
 
 struct iga64_template const iga64_code_gpgpu_fill[] = {
 	{ .gen_ver = 2000, .size = 44, .code = (const uint32_t []) {
diff --git a/lib/iga64_macros.h b/lib/iga64_macros.h
index 03cc726d48c2..6459b524c3fd 100644
--- a/lib/iga64_macros.h
+++ b/lib/iga64_macros.h
@@ -1,7 +1,10 @@
 /* SPDX-License-Identifier: MIT */
 /* Copyright © 2024 Intel Corporation */
 
-/* Header used during pre-process phase of iga64 assembly. */
+/* Header used during pre-process phase of iga64 assembly.
+ * WARNING: changing this file causes rebuild of all shaders.
+ * Do not touch without current version of iga64 compiler.
+ */
 
 #ifndef IGA64_MACROS_H
 #define IGA64_MACROS_H
diff --git a/lib/meson.build b/lib/meson.build
index c3556a921adf..cec148388b77 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -248,6 +248,7 @@ iga64_generated_codes = custom_target(
     'iga64_generated_codes.c',
     input : [ 'iga64_generated_codes.c' ] + iga64_assembly_libs,
     output : 'iga64_generated_codes.c',
+    depend_files : 'iga64_macros.h',
     command : [ generate_iga64_codes, '-o', '@OUTPUT@', '-i', '@INPUT@' ]
 )
 
diff --git a/scripts/generate_iga64_codes b/scripts/generate_iga64_codes
index bbf1f7008242..652bf01a080c 100755
--- a/scripts/generate_iga64_codes
+++ b/scripts/generate_iga64_codes
@@ -40,7 +40,7 @@ while  read -d $'\0' asm; do
 done < <(for f in $LIBS; do objcopy --dump-section .iga64_assembly=/dev/stdout $f.p/*.o /dev/null; done)
 
 # check if we need to recompile - checksum difference and compiler present
-MD5_ASMS="$(md5sum <<< "${ASMS[@]}" | cut -b1-32)"
+MD5_ASMS="$(md5sum <<< "$(< ../lib/iga64_macros.h) ${ASMS[@]}" | cut -b1-32)"
 MD5_PRE="$(grep -Po '(?<=^#define MD5_SUM_IGA64_ASMS )\S{32,32}' $INPUT 2>/dev/null)"
 
 if [ "$MD5_ASMS" = "$MD5_PRE" ]; then

-- 
2.34.1