Re: Emacs HEAD broken with XPM option in 1b492fa

[Eli Zaretskii]

> From: Paul Eggert <address@hidden>
> Date: Mon, 4 Sep 2017 10:50:37 -0700
> Cc: Noam Postavsky <address@hidden>
> 
> > It seems like in e88bbd22[2], author (cc'ed) typo-ed (s/X11/noX/):
> 
> A comment before that line says:
> 
> ### The Cygwin-w32 build uses <noX/xpm.h> instead of <X11/xpm.h>, so
> ### we need to set LDFLAGS accordingly.
> 
> so presumably the noX is intentional. Perhaps this depends on Cygwin 
> versions? 
> Sorry, I can't be of much help here since I don't use Cygwin.

The OP was evidently compiling for FreeBSD, so I wonder how that
compilation ends up in a Cygwin-specific part of the configure
script.  I guess some configure-time logic misfires on FreeBSD?

The relevant part of config.log is this:

  configure:14996: checking X11/xpm.h presence
  configure:14996: cpp -I/usr/local/include    conftest.c
  configure:14996: $? = 0
  configure:14996: result: yes
  configure:14996: checking for X11/xpm.h
  configure:14996: result: yes
  configure:14998: checking for XpmReadFileToPixmap in -lXpm
  configure:15023: cc -o conftest -I/usr/local/include -O2 -g -fstack-protector 
-fno-strict-aliasing -I/usr/local/include/librsvg-2.0 
-I/usr/local/include/glib-2.0 -I/usr/local/lib/glib-2.0/include 
-I/usr/local/include -I/usr/local/include/gdk-pixbuf-2.0 
-I/usr/local/include/libpng16 -I/usr/local/include/cairo 
-I/usr/local/include/pixman-1 -I/usr/local/include/freetype2 
-I/usr/local/include/libdrm -D_THREAD_SAFE -pthread  -I/usr/local/include     
-Wl,-rpath=/usr/local/lib -fstack-protector -L/usr/local/lib conftest.c -lXpm 
-lX11 -lX11 -lutil  >&5 
  configure:15023: $? = 0
  configure:15032: result: yes
  configure:15042: checking for XpmReturnAllocPixels preprocessor define
  conftest.c:152:10: fatal error: 'noX/xpm.h' file not found
  #include "noX/xpm.h"
           ^~~~~~~~~~~
  1 error generated.
  configure:15064: result: no