Use specific ref for bcrypt C lib

Author: aw

Makefile

@@ -6,6 +6,7 @@ PIL_SYMLINK_DIR ?= .lib
 ## Edit below
 BUILD_REPO = https://github.com/rg3/bcrypt.git
 BUILD_DIR = $(PIL_MODULE_DIR)/bcrypt/HEAD
+BUILD_REF = 8ab7fae5c1
 TARGET = libbcrypt.so
 FILES = bcrypt.c crypt_blowfish/crypt_blowfish.c crypt_blowfish/crypt_gensalt.c crypt_blowfish/wrapper.c
 INCLUDES = -I. -Icrypt_blowfish/
@@ -37,6 +38,7 @@ $(TEST_DIR):
 
 $(BUILD_DIR)/$(TARGET):
 		cd $(BUILD_DIR) && \
+		git checkout $(BUILD_REF) && \
 		$(COMPILE) $(SHARED) -o $(TARGET) $(FILES) && \
 		strip --strip-unneeded $(TARGET)
 

module.l

@@ -8,5 +8,5 @@
   ("copyright"  "(c) 2015 Alexander Williams, Unscramble <license@unscramble.jp>")
   ("install"    "make")
   ("requires"
-    ("bcrypt"         "master"  "https://github.com/rg3/bcrypt.git")
+    ("bcrypt"         "8ab7fae5c1"  "https://github.com/rg3/bcrypt.git")
     ("picolisp-unit"  "v0.6.1"  "https://github.com/aw/picolisp-unit.git") ]