Description: Add Makefile option for BSDDIR
 Debian does not store libbsd headers directly at /usr/include/bsd; it
 stores them elsewhere.
 .
 Use this patch to find it or else be able to set it on the Make
 invocation with `make BSDDIR=/path/to/libbsd/include/bsd`
Author: B. Stack <bgstack15@gmail.com>
Origin: Devuan
Last-Update: 2024-03-20
--- a/Makefile
+++ b/Makefile
@@ -6,6 +6,7 @@ PREFIX?=/usr/local
 CFLAGS+= -Wall -Werror -Wextra -I${PREFIX}/include
 LDFLAGS+= -L${PREFIX}/lib
 LIBS= -lm
+BSDDIR :=$(shell find /usr/include -name bsd -type d -quit)
 
 OS!=uname
 
@@ -28,7 +29,7 @@ help:
 configure:
 	@ 							\
 		if [ "x${OS}" = x"Linux" ]; then		\
-			if [ ! -d /usr/include/bsd ] && [ ! -d ${PREFIX}/include/bsd ]; then	\
+			if [ ! -d /usr/include/bsd ] && [ ! -d ${PREFIX}/include/bsd ] && [ ! -d ${BSDDIR} ] ; then	\
 				echo "Please install 'libbsd' and 'libbsd-devel'." >&2; \
 				exit 1;				\
 			fi;					\