bug#12661: 24.2.50; Build error with --with-w32 --enable-check-lisp-object-type

[OKAZAKI Tetsurou <okazaki.tetsurou@gmail.com>]

At Wed, 17 Oct 2012 17:40:04 +0200,
Eli Zaretskii wrote:
> 
> > Date: Wed, 17 Oct 2012 06:57:14 +0900
> > From: OKAZAKI Tetsurou <okazaki.tetsurou@gmail.com>
> > 
> > 
> > On cygwin, building bzr current emacs with
> > 
> >     ./autogen.sh
> >     ./configure --with-w32 --enable-check-lisp-object-type
> >     make bootstrap
> > 
> > reports following errors:
> > 
> > 1)
> >     make[1]: Entering directory `/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src'
> >     gcc -std=gnu99 -c  -Demacs  -I. -I/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src  -I../lib -I/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src/../lib           -I/usr/include/libxml2           -MMD -MF deps/cygw32.d -MP   -I/usr/include/p11-kit-1      -ggdb3 -O2 cygw32.c
> >     cygw32.c: In function 'Fcygwin_convert_path_to_windows':
> >     cygw32.c:148:52: error: invalid operands to binary == (have 'Lisp_Object' and 'Lisp_Object')
> >     cygw32.c: In function 'Fcygwin_convert_path_from_windows':
> >     cygw32.c:159:53: error: invalid operands to binary == (have 'Lisp_Object' and 'Lisp_Object')
> >     Makefile:325: recipe for target `cygw32.o' failed
> >     make[1]: *** [cygw32.o] Error 1
> >     make[1]: Leaving directory `/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src'
> >     Makefile:335: recipe for target `src' failed
> >     make: *** [src] Error 2
> > 
> > 
> > 2)
> >     gcc -std=gnu99 -c  -Demacs  -I. -I/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src  -I../lib -I/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src/../lib           -I/usr/include/libxml2           -MMD -MF deps/w32fns.d -MP   -I/usr/include/p11-kit-1      -ggdb3 -O2 w32fns.c
> >     w32fns.c: In function 'w32_msg_pump':
> >     w32fns.c:2427:8: error: conversion to non-scalar type requested
> >     w32fns.c:2427:8: error: conversion to non-scalar type requested
> >     w32fns.c:2435:3: error: conversion to non-scalar type requested
> >     Makefile:325: recipe for target `w32fns.o' failed
> >     make[1]: *** [w32fns.o] Error 1
> >     make[1]: Leaving directory `/home/foo/Checkout/bzr.savannah.gnu.org/emacs/local/src'
> >     Makefile:335: recipe for target `src' failed
> >     make: *** [src] Error 2
> 
> Should be fixed in revision 110567.  Please test, I don't have Cygwin
> installed.

EQ (absolute_p, Qnil) can be replaced by NILP (absolute_p).