I was trying to compile today's grub2 CVS version, and ran into the
following problem:

host% gmake
gcc [...] -c -o grub_emu-normal_lexer.o normal/lexer.c
normal/lexer.c: In function `grub_script_yylex':
normal/lexer.c:89: error: called object is not a function
normal/lexer.c:90: error: syntax error before "return"
normal/lexer.c:92: error: called object is not a function
normal/lexer.c:93: error: syntax error before '{' token

This appears to be due to a rather unfortunate preprocessor macro in
grub_script.tab.h:

host% grep define.if grub_script.tab.h
#define if 258

I'm not sure what's going on, but my version of yacc is generating
that output from grub2/normal/parser.y.

host% rpm -qf /usr/bin/yacc
byacc-1.9-28

-- kolya


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