pkg/52244: can't compile print/luatex any longer on Solaris 11, mprf.h

[joern.clausen%uni-bielefeld.de@localhost]

>Number:         52244
>Category:       pkg
>Synopsis:       can't compile print/luatex any longer on Solaris 11, mprf.h
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    pkg-manager
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri May 19 07:20:00 +0000 2017
>Originator:     Joern Clausen
>Release:        
>Organization:
University of Bielefeldcan
>Environment:
>Description:
Compiling print/luatex suddenly fails on Solaris 11 with

gcc -DHAVE_CONFIG_H -I. -I./w2c  -I/usr/include -I/usr/include -I/opt/pkg-hrz/20170105/include/cairo -I/opt/pkg-hrz/20170105/include/pixman-1 -I/opt/pkg-hrz/20170105/include -I/opt/pkg-hrz/20170105/include/freetype2 -I/opt/pkg-hrz/20170105/include/libpng16 -D_POSIX_PTHREAD_SEMANTICS -D_REENTRANT  -I/opt/pkg-hrz/20170105/include/pixman-1  -I/opt/pkg-hrz/20170105/include/libpng16  -I/opt/pkg-hrz/20170105/include -I/opt/pkg-hrz/20170105/lib -I/opt/pkg-hrz/20170105/include  -I./mplibdir -I/usr/include/gmp -I/opt/pkg-hrz/20170105/include -I/opt/pkg-hrz/20170105/include/freetype2 -I/usr/include -Wimplicit -Wreturn-type -Wdeclaration-after-statement -Wno-unknown-pragmas -O2 -std=gnu99 -D_XOPEN_SOURCE_EXTENDED=0 -I/usr/include/gmp -I/opt/pkg-hrz/20170105/include -I/opt/pkg-hrz/20170105/include/freetype2 -I/usr/include -MT libmplib_a-mp.o -MD -MP -MF .deps/libmplib_a-mp.Tpo -c -o libmplib_a-mp.o `test -f 'mp.c' || echo './'`mp.c
./mplibdir/mp.w:160:34: fatal error: mpfr.h: No such file or directory
 #include <mpfr.h>               /* for |MPFR_VERSION_STRING|, |mpfr_get_version()| */
                                  ^
compilation terminated.


math/mpfr is installed and mpfr.h is provided by that package. The dependency on mpfr is nothing new and I was able to build this package with the same compiler in the past.
>How-To-Repeat:

>Fix: