Re: Error compiling dvtm-0.5.2 application with ncursesw-5.7-18 in cygwin

[Thomas Dickey]

On Tue, 26 Oct 2010, Justin Charette wrote:

> Hi,
>
> I'm hoping you can shed some light on this problem, because google's search
> just digs up outdated references.
>
> dvtm is a terminal multiplexing program similar to gnu screen I'm
> successfully using in linux, but having trouble compiling in cygwin.
>
> Here's the error:
>
> $ make
> cleaning
> dvtm build options:
> CFLAGS   = -std=c99 -Os -I. -I/usr/include -I/usr/local/include
> -I/usr/include/ncursesw -DVERSION="0.5.2" -DNDEBUG
> LDFLAGS  = -L/usr/lib -L/usr/local/lib -lc -lutil -lncursesw
> CC       = cc
> CC dvtm.c
> dvtm.c: In function ?parse_args?:
> dvtm.c:909: error: lvalue required as left operand of assignment
> dvtm.c:935: error: lvalue required as left operand of assignment
> dvtm.c:937: error: lvalue required as left operand of assignment
> dvtm.c:939: error: lvalue required as left operand of assignment
> make: *** [dvtm.o] Error 1
>
> Here's dvtm.c:909
>
> 903:  static bool
> 904:  parse_args(int argc, char *argv[]) {
> 905:      int arg;
> 906:      bool init = false;
> 907:
> 908:      if (!getenv("ESCDELAY"))
> 909:          ESCDELAY = 100;
>
> A message <http://www.cygwin.com/ml/cygwin/2010-01/msg00776.html> on cygwin
> mentions that ESCDELAY was changed at some point to handle reentrant code,
> but I cannot find any documentation regarding this change.

look for set_escdelay().

That's available with/without the reeentrant-code feature.

--
Thomas E. Dickey
http://invisible-island.net
ftp://invisible-island.net