Abstract contract build setups and port to Cygwin.

dir-ethereum/directory_test.sol

@@ -22,7 +22,7 @@
 
 pragma solidity 0.5.13;
 
-import "directory.sol";
+import "./directory.sol";
 
 
 contract TestOrchidDirectory is OrchidDirectory

dir-ethereum/env

@@ -0,0 +1 @@
+../env

dir-ethereum/make

@@ -1,5 +1,5 @@
 #!/bin/bash
 set -e
 for sol in *.sol; do
-    solc --bin --optimize --overwrite --allow-paths . "$@" -o build "${sol}"
+    env/solc.sh 0.5.13 build "${sol}" --optimize
 done

env/cwd.sh

@@ -0,0 +1 @@
+which cygpath &>/dev/null && cwd=$(cygpath -t mixed "${PWD}" | sed -e 's@^\(.\):@/\1@') || cwd=${PWD}

env/solc.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+. env/cwd.sh
+
+version=$1
+output=$2
+source=$3
+shift 3
+
+exec docker run -v "${cwd%/*}":/mnt ethereum/solc:"${version}" \
+    -o /mnt/"${PWD##*/}"/"${output}" /mnt/"${PWD##*/}"/"${source}" \
+    --bin --overwrite --allow-paths . "$@"

lot-ethereum/env

@@ -0,0 +1 @@
+../env

lot-ethereum/make

@@ -1,4 +1,4 @@
 #!/bin/bash
 set -e
-docker run -v "${PWD%/*}":/mnt ethereum/solc:0.5.13 -o /mnt/"${PWD##*/}"/build --bin /mnt/"${PWD##*/}"/lottery.sol --overwrite --evm-version istanbul
-docker run -v "${PWD%/*}":/mnt ethereum/solc:0.7.0 -o /mnt/"${PWD##*/}"/build --bin /mnt/"${PWD##*/}"/lottery1.sol --optimize --overwrite --evm-version istanbul
+env/solc.sh 0.5.13 build lottery.sol --evm-version istanbul
+env/solc.sh 0.7.0 build lottery1.sol --evm-version istanbul --optimize

pac-ethereum/env

@@ -0,0 +1 @@
+../env

pac-ethereum/make

@@ -1,3 +1,3 @@
 #!/bin/bash
 set -e
-solc --evm-version homestead --bin --overwrite --allow-paths . "$@" -o build verifier.sol
+env/solc.sh 0.6.6 build verifier.sol --evm-version homestead

tok-ethereum/env

@@ -0,0 +1 @@
+../env

tok-ethereum/make

@@ -1,3 +1,3 @@
 #!/bin/bash
 set -e
-solc --abi --bin --optimize --overwrite --allow-paths . -o build token.sol
+env/solc.sh 0.5.12 build token.sol --optimize --abi