make check errors

[Jonathan Mangin]

Installing pkg-config 0.21 on Solaris 2.8
(configure CC=/usr/local/bin/gcc)
I receive the following make check errors:

../pkg-config --cflags simple :
' ' != ''
FAIL: check-cflags
../pkg-config --libs simple :
'-lsimple  ' != '-lsimple'
FAIL: check-libs
../pkg-config --define-variable=includedir=/includedir/ --cflags simple :
'-I/includedir/  ' != '-I/includedir/'
FAIL: check-define-variable
../pkg-config --static --libs simple :
'-lsimple -lm  ' != '-lsimple -lm'
FAIL: check-libs-private
../pkg-config --cflags requires-test :
'-I/requires-test/include -I/private-dep/include -I/public-dep/include  ' !=
'-I/requires-test/include -I/public-dep/include'
FAIL: check-requires-private
../pkg-config --cflags includedir :
'-I/usr/include/somedir  ' != '-I/usr/include/somedir'
FAIL: check-includedir
===================
6 of 6 tests failed
===================

I don't really know how to proceed.  Any advice appreciated.

TIA,
Jon