MinGW Build script fails at libpng preparation

[OBattler]

Describe the bug
This is what happens:
gawk -f /c/emu_dev/dosbox-x/vs2015/libpng/scripts/options.awk out=pnglibconf.tf5 pnglibconf.tf4 1>&2
options.awk: bad line (10): com
make: *** [Makefile:2218: pnglibconf.c] Error 1

To Reproduce
Steps to reproduce the behavior:

1. Go to the DOSBox-X source directory in msys2
2. Type ./build-mingw or .build-mingw-sdl2

Expected behavior
The error not occurring.

Screenshots
I think none are needed but if any is reguesed, I'll be glad to provide one.

Environment (please complete the following information):

• Windows 10 1803 x64 Enterprise Portuguese (Portugal)
• MSys 2
• MinGW GCC 7.3.0 rev. 1

Additional context
None.

[Jookia]

Could this be related to line endings?

https://stackoverflow.com/questions/59547342/libpng-building-issue-on-windows-10