Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> writes:

> I just tried to compile emacs 26.0.91 on Solaris 11.4 Beta.  This failed
> building lcms.o:
>
>   CC       lcms.o
> /vol/gnu/src/emacs/emacs-26.0.91/src/lcms.c:23:19: fatal error: lcms2.h: No such file or directory
>
> lcms.h lives in /usr/include/lcms/lcms.h and lcms2.pc correctly adds a
> matching -I to Cflags.  However, configure.ac just does a link test for
> cmsCreateTransform, which succeeds.  I can work around this by adding a
> matching -I option to CPPFLAGS at configure time, but it seems silly
> having to do so if the information can be derived automatically.

Does the below work?  (I notice that all of a sudden this bug's severity
has been set to "important", although it looks more like it should be
"minor" to me.  And I would intend the patch for master, not emacs-26.)