When I did make build-depends-list, some warning messages were showed up.
Here is a simplified version of this problem.

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$ locale
LANG="ko_KR.UTF-8"
LC_CTYPE="ko_KR.UTF-8"
LC_COLLATE="C"
LC_TIME="C"
LC_NUMERIC="C"
LC_MONETARY="C"
LC_MESSAGES="ko_KR.UTF-8"
LC_ALL=""
$ cat kaka.h
  /************************/
#define FREETYPE_MAJOR 2
$ gawk '/define[\t ]*FREETYPE/ { print $2 }' kaka.h
$ awk '/define[\t ]*FREETYPE/ { print $2 }' kaka.h
FREETYPE_MAJOR
$ LANG=C
$ gawk '/define[\t ]*FREETYPE/ { print $2 }' kaka.h
FREETYPE_MAJOR
$ awk '/define[\t ]*FREETYPE/ { print $2 }' kaka.h
FREETYPE_MAJOR

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It works fine in Linux box, BTW.

Any thoughts?