add bcrypt (#786)

Co-authored-by: Max Howell <mxcl@me.com>

projects/bcrypt.sourceforge.net/package.yml

@@ -0,0 +1,28 @@
+distributable:
+  url: https://bcrypt.sourceforge.net/bcrypt-{{version.marketing}}.tar.gz
+  strip-components: 1
+
+versions:
+  - 1.1.0
+
+dependencies:
+  zlib.net: '*'
+
+build:
+  dependencies:
+    tea.xyz/gx/cc: c99
+    tea.xyz/gx/make: '*'
+  script: |
+    make LDFLAGS=-lz PREFIX={{prefix}} install
+
+provides:
+  - bin/bcrypt
+
+test:
+  script: |
+    echo "Hello World!" > test.txt
+    printf '12345678\n12345678\n' | bcrypt -r test.txt
+    mv test.txt.bfe test.out.txt.bfe
+    printf '12345678\n' | bcrypt -r test.out.txt.bfe
+    cat test.out.txt
+