Mail Archives: cygwin/2001/06/28/08:09:03
Hi Erik,
Unix has case-sensitive file names, NT/2000 has case-sensitive file names,
just 95/98/Me is incapable of it. So what would you expect using a Unix tool
? Cygwin make *has to be* case-sensitive!
>A am jusing Cygwin make (in UNIX mode) on a WinNT platform.
>Until now I a
>have defined all rules explicitly like
>
>main.o: main.c
> gcc -c main.c
>
>which is case-insensitive regarding the source file.
This makes *me* nervous ...
> However,
>an implicit
>rule like
>
>%.o: %.c
> gcc -c $*.c
>
>seems to be case-sensitive. This gives problems when sharing
>source files
>between computers with WinNT and Win95, as Win95 sometimes
>changes the case
>of the filenames. Is there any particular reason for this
>strange behaviour?
This is what I would have expectet in *any* case.
I reproduced following effects with 2000:
Having the files main.c, HELLO.C, and this.c and your makefile above
make main.o => Compiles with explicit rule
make this.o => Compiles with implicit rule
make hello.o => No rule
make HELLO.o => Compiles with *predefined* implicit rule
make -r HELLO.o => No rule
IMHO this differences are by chance. It may depend whether make checks its
files with fstat to compare the time stamp or by name using the directory
entry. I am sure that both variants are used in make (no, I have not looked
at the source). With Unix it does not make any difference, while ftstat will
find the file in NT/2000 independent of the case.
Greetings,
Jörg
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