grub2: don't use deprecated parser attributes

Using bison 3.8.2, we currently have bison deprecation warnings during build: discover/grub2/grub2-parser.y:2.1-12: warning: deprecated directive: ‘%pure-parser’, use ‘%define api.pure’ [-Wdeprecated] Switch to the new format instead. Signed-off-by: Jeremy Kerr <[email protected]>
open-power · Feb 13, 2024 · 411b733 · 411b733
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -19,6 +19,8 @@ Change categories:
 
 1. GRUB parser: bls: Fix NULL pointer dereference on empty values
 
+2. GRUB parser: use new define syntax for yacc source
+
 ### Changed
 
 1. pb-console: we now silence the kernel log messages printed to console

diff --git a/discover/grub2/grub2-parser.y b/discover/grub2/grub2-parser.y
@@ -1,9 +1,9 @@
 
-%pure-parser
+%define api.pure
 %lex-param { yyscan_t scanner }
 %parse-param { struct grub2_parser *parser }
 %parse-param { void *scanner }
-%error-verbose
+%define parse.error verbose
 
 %{
 #include <talloc/talloc.h>