[fpc-devel] profiling under windows

[Vincent Snijders]

Paul Ishenin schreef:
> Hello,  FPC developers' list.
> 
> I tried to build the compiler with gprof profile code. In the compiler 
> dir I executed:
> 
> make clean all OPT="-gl -pg"
> 
> As result of linking I have the next errors:
> Linking .\pp.exe
> pp.pas(224,1) Error: Import library not found for c
> pp.pas(224,1) Error: Import library not found for gmon
> pp.pas(224,1) Error: Import library not found for cygwin
> pp.pas(224,1) Error: Import library not found for user32
> pp.pas(224,1) Error: Import library not found for kernel32
> pp.pas(224,1) Error: Import library not found for gcc

I have those files in c:\cygwin\lib. I don't know anymore what cygwin packages I 
installed to get them.

Last time I tried (a couple of months ago), I could compile Lazarus with profiling 
info, but the gprof output file remained empty, IIRC.

> pp.pas(224,1) Error: Undefined symbol: _mcount
> pp.pas(224,1) Error: Undefined symbol: __mcleanup
> pp.pas(224,1) Error: Undefined symbol: _monstartup
> pp.pas(224,1) Error: Undefined symbol: ___main
> pp.pas(224,1) Error: Undefined symbol: _cygwin_crt0
> pp.pas(224,1) Fatal: There were 11 errors compiling module, stopping
> 
> I understand that I need to help linker somehow to find some files. But 
> I have no idea what does it need: c.lib or c.o or c.dll? Where should I 
> obtain that files?

libc.a

Vincent