[Bug 42132] undefined reference yywrap in winhlp32/ macro.lex.yy.c when building with flex-2.6.3

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=42132

Alexandre Julliard <julliard at winehq.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|---                         |NOTOURBUG

--- Comment #4 from Alexandre Julliard <julliard at winehq.org> ---
The fix isn't quite enough:

flex -omacro.lex.yy.c macro.lex.l
gcc -m32 -c -o macro.lex.yy.o macro.lex.yy.c -I. -I../../include -D__WINESRC__
-D_REENTRANT -fPIC -Wall -pipe \
  -fno-strict-aliasing -Wdeclaration-after-statement -Wempty-body
-Wignored-qualifiers \
  -Wshift-overflow=2 -Wstrict-prototypes -Wtype-limits
-Wunused-but-set-parameter -Wvla \
  -Wwrite-strings -Wpointer-arith -Wlogical-op -gdwarf-2 -gstrict-dwarf
-fno-omit-frame-pointer \
  -Werror -g -O2 -fno-diagnostics-show-caret
macro.lex.yy.c:398:0: error: "yywrap" redefined [-Werror]
macro.lex.yy.c:74:0: note: this is the location of the previous definition
cc1: all warnings being treated as errors
Makefile:280: recipe for target 'macro.lex.yy.o' failed

That's really a flex bug: https://github.com/westes/flex/issues/160

We could add a workaround, but let's see if we can't get it fixed first.

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