ImageMagicの、PerlMagickをmakeすると以下のエラーがでます。

...snip...
/usr/bin/perl -I/usr/libdata/perl/5.00503/mach -I/usr/libdata/perl/5.00503 /usr/libdata/perl/5.00503/ExtUtils/xsubpp -typemap /usr/libdata/perl/5.00503/ExtUtils/typemap Magick.xs >xstmp.c && mv xstmp.c Magick.c
cc -c -I../ -I.. -I/usr/local/include -DVERSION=\"5.55\" -DXS_VERSION=\"5.55\" -DPIC -fpic -I/usr/libdata/perl/5.00503/mach/CORE -DHAVE_CONFIG_H Magick.c
Magick.xs: In function `XS_Image__Magick_Get':
Magick.xs:3547: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:3590: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs: In function `XS_Image__Magick_ImageToBlob':
Magick.xs:4146: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs: In function `XS_Image__Magick_QueryFont':
Magick.xs:7081: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7085: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7089: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7097: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7101: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7105: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7109: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
Magick.xs:7113: warning: passing arg 1 of `Perl_newSVpv' discards qualifiers from pointer target type
...snip...

そんで、make checkすると、failedが出まくり・・・。
何が原因なんでしょうか。
ImageMagick自体のインストールは成功してます。
convertコマンドとか使えるし。