https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87088
--- Comment #10 from miltonkbenjamin <miltonkbenjamin at verizon dot net> ---
(In reply to Jonathan Wakely from comment #9)
> You're still doing it wrong.
>
> As I already said, to include a file you should be using -include not
> -Xpreprocessor.
>
> Stop using the -Xpreprocessor option to name a file for inclusion, that's
> not what it does.
I tried the -include filename option and it didn't seem to work:
===============================================================:
C:\parser>cls
C:\parser>win_flex --c++ --outfile=lex1.yy.cc flex1.l
'win_flex' is not recognized as an internal or external command,
operable program or batch file.
C:\parser>echo "1) *********************************************"
"1) *********************************************"
C:\parser>echo "2) *********************************************"
"2) *********************************************"
C:\parser>g++ -include iostream.h -Xpreprocessor "FlexLexer.h" lex1.yy.cc
FlexLexer.h:64:21: error: 'yy_create_buffer' declared as a 'virtual' field
yy_create_buffer( istream* s, int size ) = 0;
^~~~~~~
FlexLexer.h:64:3: error: expected ';' at end of member declaration
yy_create_buffer( istream* s, int size ) = 0;
^~~~~~~~~~~~~~~~
FlexLexer.h:64:28: error: expected ')' before '*' token
yy_create_buffer( istream* s, int size ) = 0;
^
FlexLexer.h:66:26: error: 'istream' has not been declared
virtual void yyrestart( istream* s ) = 0;
^~~~~~~
FlexLexer.h:71:13: error: 'istream' has not been declared
int yylex( istream* new_in, ostream* new_out = 0 )
^~~~~~~
FlexLexer.h:71:30: error: 'ostream' has not been declared
int yylex( istream* new_in, ostream* new_out = 0 )
^~~~~~~
FlexLexer.h:79:31: error: 'istream' has not been declared
virtual void switch_streams( istream* new_in = 0,
FlexLexer.h:80:6: error: 'ostream' has not been declared
ostream* new_out = 0 ) = 0;
^~~~~~~
FlexLexer.h:107:22: error: expected ')' before '*' token
yyFlexLexer( istream* arg_yyin = 0, ostream* arg_yyout = 0 );
FlexLexer.h:112:26: error: expected ';' at end of member declaration
struct yy_buffer_state* yy_create_buffer( istream* s, int size );
FlexLexer.h:112:51: error: expected ')' before '*' token
struct yy_buffer_state* yy_create_buffer( istream* s, int size );
FlexLexer.h:114:18: error: 'istream' has not been declared
void yyrestart( istream* s );
FlexLexer.h:117:31: error: 'istream' has not been declared
virtual void switch_streams( istream* new_in, ostream* new_out );
^~~~~~~
FlexLexer.h:117:48: error: 'ostream' has not been declared
virtual void switch_streams( istream* new_in, ostream* new_out );
^~~~~~~
FlexLexer.h:128:50: error: 'istream' has not been declared
void yy_init_buffer( struct yy_buffer_state* b, istream* s );
^~~~~~~
FlexLexer.h:143:2: error: 'istream' does not name a type
istream* yyin; // input source for default LexerInput
^~~~~~~
FlexLexer.h:144:2: error: 'ostream' does not name a type
ostream* yyout; // output sink for default LexerOutput
^~~~~~~
In file included from <command-line>:31:0:
./iostream.h:1:0: fatal error: inter-module optimizations not implemented for
C++
#include <iostream>
compilation terminated.
C:\parser>echo "3) *********************************************"
"3) *********************************************"
