Installationf ails on FreeBSD: error "<malloc.h> has been replaced by <stdlib.h>"

[asb-capfan]

cf. http://www.cpantesters.org/cpan/report/e4fe9402-9b84-11eb-84bc-edd243e66a77

Possible solution: HearthSim/decrunch#9

cc -c  -I. -I/usr/home/cpan/pit/jail/F23fK0xPKr/lib/perl5/amd64-freebsd-thread-multi/Tk -I/usr/home/cpan/pit/jail/F23fK0xPKr/lib/perl5/amd64-freebsd-thread-multi/Tk/pTk -I/usr/home/cpan/pit/jail/F23fK0xPKr/lib/perl5/amd64-freebsd-thread-multi/Tk/X11 -I/usr/X11R6/include  -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -O2    -DVERSION=\"3.306\"  -DXS_VERSION=\"804.036\" -DPIC -fPIC "-I/usr/home/cpan/pit/thr/perl-5.26.2/lib/5.26.2/amd64-freebsd-thread-multi/CORE"  -DPTK -DGL -DSHAPE -DATC MapInfo.c
cc -c  -I. -I/usr/home/cpan/pit/jail/F23fK0xPKr/lib/perl5/amd64-freebsd-thread-multi/Tk -I/usr/home/cpan/pit/jail/F23fK0xPKr/lib/perl5/amd64-freebsd-thread-multi/Tk/pTk -I/usr/home/cpan/pit/jail/F23fK0xPKr/lib/perl5/amd64-freebsd-thread-multi/Tk/X11 -I/usr/X11R6/include  -DHAS_FPSETMASK -DHAS_FLOATINGPOINT_H -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/local/include -O2    -DVERSION=\"3.306\"  -DXS_VERSION=\"804.036\" -DPIC -fPIC "-I/usr/home/cpan/pit/thr/perl-5.26.2/lib/5.26.2/amd64-freebsd-thread-multi/CORE"  -DPTK -DGL -DSHAPE -DATC OverlapMan.c
In file included from OverlapMan.c:35:
/usr/include/malloc.h:3:2: error: "<malloc.h> has been replaced by <stdlib.h>"
#error "<malloc.h> has been replaced by <stdlib.h>"