New comment by kawaiiamber on void-packages repository

https://github.com/void-linux/void-packages/pull/27763#issuecomment-756898562

Comment:
> Maybe our `Xft.h` header includes `ft2build.h` somewhere. It could be missing the `-I${XBPS_CROSS_BASE}/usr/include/freetype2` option in `CFLAGS` as well.

From the upstream `config.mk` which is included in the `Makefile`:
```
# paths
PREFIX    ?= /usr/local
MANPREFIX ?= ${PREFIX}/share/man

LOCALINC ?= /usr/local/include
LOCALLIB ?= /usr/local/lib

X11INC ?= /usr/X11R6/include
X11LIB ?= /usr/X11R6/lib

FREETYPEINC ?= /usr/include/freetype2
# OpenBSD (uncomment)
#FREETYPEINC = ${X11INC}/freetype2

# includes and libs
INCS := -I${LOCALINC} -I${X11INC} -I${FREETYPEINC}
LIBS := -L${LOCALLIB} -L${X11LIB} -lfontconfig -lXft -lX11 -lXinerama -lImlib2

# flags
CPPFLAGS :=
CFLAGS   := -Wall -Wextra ${INCS} ${CPPFLAGS}
LDFLAGS  := ${LIBS}
```
This results in `make` doing:
```
[amber@otaku ~/.local/src/xmenu]$ make
cc -Wall -Wextra -I/usr/local/include -I/usr/X11R6/include -I/usr/include/freetype2  -c xmenu.c
cc -o xmenu xmenu.o -L/usr/local/lib -L/usr/X11R6/lib -lfontconfig -lXft -lX11 -lXinerama -lImlib2
```
Thus, I don't think `-I${XBPS_CROSS_BASE}/usr/include/freetype2` is missing from `CFLAGS`