Note (probably harmless): No library found for '-llettertree'
es are missing in your kit:
	.#LetterTree.xs.1.7
	.#typemap.1.3
	LetterTree.bs
	LetterTree.c
	LetterTree.o
Please inform the author.
Writing Makefile for Data::LetterTree
cp lib/Data/LetterTree.pm blib\lib\Data\LetterTree.pm
	D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrPlease specify prototyping behavior for LetterTree.xs (see perlxs manual)
NMAKE : fatal error U1077: 'cl' : return code '0x2'
Stop.
tterTree.xs > LetterTree.xsc && D:\cpanrun\build\5-6-1\bin\perl.exe -Id:\cpanrun\build\5-6-1\lib -Id:\cpanrun\build\5-6-1\lib -MExtUtils::Command -e mv LetterTree.xsc LetterTree.c
	cl -c  -nologo -O1 -MD -Zi -DNDEBUG -DWIN32 -D_CONSOLE -DNO_STRICT -DHAVE_DES_FCRYPT -DPERL_IMPLICIT_CONTEXT -DPERL_IMPLICIT_SYS -DPERL_MSVCRT_READFIX -O1 -MD -Zi -DNDEBUG    -DVERSION=\"0.1\"  -DXS_VERSION=\"0.1\"  -ID:\cpanrun\build\5-6-1\lib\CORE  LetterTree.c
LetterTree.c
LetterTree.xs(7) : fatal error C1083: Cannot open include file: 'lettertree.h': No such file or directory