add some sample configureations for a few os's

the idea is - if the configure fails .. provide the dep it's asking
for. that simple. the rest of the build is the same (ninja -C build
etc.)

confs/freebsd.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+meson -Dsystemd=false -Dv4l2=false -Deeze=false -Devas-loaders-disabler=json \
+ $@ . build

confs/linux-elogind.sh

@@ -0,0 +1,4 @@
+#!/bin/sh -e
+meson -Dfb=true -Ddrm=true -Dwl=true -Devas-loaders-disabler=json \
+ -Dsystemd=false -Delogind=true \
+ $@ . build

confs/linux-nowayland-nosystemd.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+meson -Dfb=true -Dsystemd=false -Devas-loaders-disabler=json \
+ $@ . build

confs/linux-nowayland.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+meson -Dfb=true -Devas-loaders-disabler=json \
+ $@ . build

confs/linux.sh

@@ -0,0 +1,3 @@
+#!/bin/sh -e
+meson -Dfb=true -Ddrm=true -Dwl=true -Devas-loaders-disabler=json \
+ $@ . build