aux/trace: remove -I argument

enums2names.py is only uses in one place. I propose to remove the -I
argument that is not strictly necessary as we can already get the
header name from the `-H` argument.

That modification is motivated by the need to help ninja-to-soong to
generate proper rule for the Android build system.

ninja-to-soong can't differenciate output file location and a string
matching the output file name.

Ref #14072

Acked-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37785>

src/gallium/auxiliary/driver_trace/enums2names.py

@@ -108,13 +108,7 @@ def pkk_get_argparser():
         type=str,
         metavar="outfile",
         dest="out_header",
-        help="output C header file")
-
-    optparser.add_argument("-I",
-        type=str,
-        metavar="include",
-        dest="include_file",
-        help="include file / path used for C source output")
+        help="output H header file (the basename will be use to include the header in the C source file)")
 
     return optparser
 
@@ -235,9 +229,6 @@ def pkk_output_header(fh):
 
 
 def pkk_output_source(fh):
-    if pkk_cfg.include_file == None:
-        pkk_fatal("Output C source enabled, but include file is not set (-I option).")
-
     print(textwrap.dedent("""\
         /*
          * File generated with {program}, please do not edit manually.
@@ -245,7 +236,7 @@ def pkk_output_source(fh):
         #include "{include_file}"
         """).format(
             program=pkk_progname,
-            include_file=pkk_cfg.include_file,
+            include_file=os.path.basename(pkk_cfg.out_header),
             ), file=fh)
 
     for name in lst_enum_include:

src/gallium/auxiliary/meson.build

@@ -443,7 +443,7 @@ files_libgallium += custom_target(
   'tr_util.[ch]',
   input: ['../include/pipe/p_defines.h', '../include/pipe/p_video_enums.h', '../../util/blend.h'],
   output: ['tr_util.c', 'tr_util.h'],
-  command: [prog_python, prog_enums2names, '@INPUT@', '-C', '@OUTPUT0@', '-H', '@OUTPUT1@', '-I', 'tr_util.h'],
+  command: [prog_python, prog_enums2names, '@INPUT@', '-C', '@OUTPUT0@', '-H', '@OUTPUT1@'],
   depend_files: prog_enums2names,
 )