ports/177280: math/gnuplot does not compile

[Beeblebrox]

>Number:         177280
>Category:       ports
>Synopsis:       math/gnuplot does not compile
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-ports-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Mar 22 20:00:01 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator:     Beeblebrox
>Release:        10-Current
>Organization:
>Environment:
FreeBSD 10.0-CURRENT #1 r248618: Fri Mar 22, amd64

>Description:
compile breaks with below message. All options in make.conf were disabled for the debug (no ccache, make_jobs, cflags, etc)

gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../term -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include/pango-1.0 -pthread -I/usr/local/include/cairo -I/usr/local/include/glib-2.0 -I/usr/local/include/pixman-1 -I/usr/local/include/freetype2 -I/usr/local/include/drm -I/usr/local/include/libpng15 -D_THREAD_SAFE -I/usr/local/include   -I/usr/local/include/pango-1.0 -pthread -I/usr/local/include/cairo -I/usr/local/include/pixman-1 -I/usr/local/include/freetype2 -I/usr/local/include/drm -I/usr/local/include/libpng15 -D_THREAD_SAFE -I/usr/local/include/glib-2.0 -I/usr/local/include -O2 -pipe -march=k8 -Wl,-rpath=/usr/local/lib/gcc46 -fno-strict-aliasing -c doc2gih.c
gcc -DHAVE_CONFIG_H -I. -I. -I.. -I.. -I../src -I../term -I/usr/local/include -I/usr/local/include -I/usr/local/include -I/usr/local/include/pango-1.0 -pthread -I/usr/local/include/cairo -I/usr/local/include/glib-2.0 -I/usr/local/include/pixman-1 -I/usr/local/include/freetype2 -I/usr/local/include/drm -I/usr/local/include/libpng15 -D_THREAD_SAFE -I/usr/local/include   -I/usr/local/include/pango-1.0 -pthread -I/usr/local/include/cairo -I/usr/local/include/pixman-1 -I/usr/local/include/freetype2 -I/usr/local/include/drm -I/usr/local/include/libpng15 -D_THREAD_SAFE -I/usr/local/include/glib-2.0 -I/usr/local/include -O2 -pipe -march=k8 -Wl,-rpath=/usr/local/lib/gcc46 -fno-strict-aliasing -c termdoc.c
gcc: not found
gcc: not found
*** [termdoc.o] Error code 127
*** [doc2gih.o] Error code 127
2 errors
*** [all-recursive] Error code 1
1 error
*** [all] Error code 2
1 error
*** [do-build] Error code 1

>How-To-Repeat:
make math/gnuplot
>Fix:
NA

>Release-Note:
>Audit-Trail:
>Unformatted: