[PATCH] scripts/generate_iga64_codes: fix path of iga64_macros.h

[Andrzej Hajda]

The build process fails if the build dir is not a subdir of the project.

Fixes: cba1773fd01d ("scripts/generate_iga64_codes: add iga64_macros.h to checksum calculation")
Signed-off-by: Andrzej Hajda <andrzej.hajda at intel.com>
---
 lib/meson.build              | 2 +-
 scripts/generate_iga64_codes | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/meson.build b/lib/meson.build
index 640513e6c52c..beaf43dffc5b 100644
--- a/lib/meson.build
+++ b/lib/meson.build
@@ -252,7 +252,7 @@ iga64_generated_codes = custom_target(
     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@' ]
+    command : [ 'env', 'IGT_SRCDIR=@0@'.format(source_root), generate_iga64_codes, '-o', '@OUTPUT@', '-i', '@INPUT@' ]
 )
 
 lib_intermediates += static_library('igt-iga64_generated_codes.c',
diff --git a/scripts/generate_iga64_codes b/scripts/generate_iga64_codes
index 652bf01a080c..3f207e9ff1a8 100755
--- a/scripts/generate_iga64_codes
+++ b/scripts/generate_iga64_codes
@@ -22,6 +22,8 @@ die() {
     exit 1
 }
 
+: ${IGT_SRCDIR:=..}
+
 # parse args
 while getopts ':i:o:' opt; do
     case $opt in
@@ -40,7 +42,7 @@ 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="$(md5sum <<< "$(< ../lib/iga64_macros.h) ${ASMS[@]}" | cut -b1-32)"
+MD5_ASMS="$(md5sum <<< "$(< $IGT_SRCDIR/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
@@ -90,7 +92,7 @@ EOF
 # Compiles assembly to binary representation sent to stdout.
 compile_iga64() {
     cmd="cpp -P - -o $WD/$asm_name.$gen_name.asm"
-    cmd+=" -DGEN_VER=$gen_ver -D'ARG(n)=($IGA64_ARG0 + (n))' -imacros ../lib/iga64_macros.h"
+    cmd+=" -DGEN_VER=$gen_ver -D'ARG(n)=($IGA64_ARG0 + (n))' -imacros $IGT_SRCDIR/lib/iga64_macros.h"
     eval "$cmd" <<<"$asm_body" || die "cpp error for $asm_name.$gen_name\ncmd: $cmd"
     cmd="iga64 -Xauto-deps -Wall -p=$gen_name"
     cmd+=" $WD/$asm_name.$gen_name.asm"

---
base-commit: 7812065f4aebab1629b570bd78ef71e09480b359
change-id: 20241212-fix_iga64_macros_path-5c38885d3d94

Best regards,
-- 
Andrzej Hajda <andrzej.hajda at intel.com>