* get rid of the openssl dependency

* make libuuid optional (based on http://git.io/vqbwu)

README.md

@@ -27,13 +27,10 @@ armv7m, armv7em, armv8, arm64, arm64v8, i386, x86_64 and x86_64h.
 
 `Clang 3.2+ or gcc/g++/gcc-objc 4.5+`, `automake`, `autogen` and `libtool`.
 
-On non-Mac OS X systems you also need to install:
+Optional, but recommended:
 
-`uuid-devel` and `openssl-devel`.
-
-Optional, but recommended deps:
-
-`llvm-devel` (Enables Link Time Optimization)
+`llvm-devel` (For Link Time Optimization Support)  
+`uuid-devel` (For ld64 `-random_uuid` Support)
 
 ## INSTALLATION ##
 

cctools/configure.ac

@@ -212,17 +212,6 @@ AM_PROG_AS([clang])
 AC_CHECK_TOOL([HOST_RANLIB], [ranlib], :)
 AC_CHECK_TOOL([HOST_AR], [ar], :)
 
-if test "x$isdarwin" != "xyes"; then
-  AC_CHECK_HEADERS([openssl/md5.h], [], [AC_MSG_ERROR([*** md5.h not found, please install ssl dev packages according to your system])])
-  CRYPTO_LIB=-lcrypto
-  SSL_LIB=-lssl
-  AC_SUBST([CRYPTO_LIB])
-  AC_SUBST([SSL_LIB])
-fi
-
-AC_CHECK_HEADERS([uuid/uuid.h], [], [AC_MSG_ERROR([*** uuid.h not found, please install uuid dev packages according to your system])])
-
-
 #for libstuff emulated.c
 case $target_cpu in
      powerpc)
@@ -273,14 +262,13 @@ AC_SUBST(DL_LIB)
 AC_CHECK_LIB([pthread],[pthread_create],[PTHREAD_FLAGS=-pthread])
 AC_SUBST(PTHREAD_FLAGS)
 
-if test "x$isdarwin" = "xno"; then
-  AC_CHECK_LIB([uuid],[uuid_generate_random],[UUID_LIB=-luuid],[exit 1])
-  AC_SUBST(UUID_LIB)
-fi
-
 AC_CHECK_LIB([execinfo],[backtrace],[DL_LIB=-lexecinfo])
 AC_SUBST(EXECINFO_LIB)
 
+AC_CHECK_HEADERS([uuid/uuid.h], [
+  AC_CHECK_LIB([uuid],[uuid_generate_random],[UUID_LIB=-luuid])], [])
+AC_SUBST(UUID_LIB)
+
 AC_CHECK_FUNCS([strmode])
 
 ### Check for __cxa_demangle in various C++ ABI libs ###

cctools/ld64/src/3rd/Makefile.am

@@ -8,4 +8,5 @@ libhelper_la_SOURCES =  \
 	qsort_r.c  \
 	strlcat.c  \
 	strlcpy.c \
-	eprintf.c
+	eprintf.c \
+	md5.c

cctools/ld64/src/3rd/include/CommonCrypto/CommonDigest.h

@@ -0,0 +1,48 @@
+#ifdef __APPLE__
+
+#include_next <CommonCrypto/CommonDigest.h>
+
+#else
+
+#include "md5.h"
+#include "assert.h"
+
+#define CC_MD5_DIGEST_LENGTH 16
+#define CC_MD5_CTX           md5_state_t
+
+static int CC_MD5_Init(CC_MD5_CTX *c) {
+    md5_init(c);
+    return 1;
+}
+
+static int CC_MD5_Update(CC_MD5_CTX *c, const unsigned char *data,
+                         unsigned long nbytes) {
+    assert(nbytes <= 0x7fffffff && "would overflow");
+    md5_append(c, data, nbytes);
+    return 1;
+}
+
+static int CC_MD5_Final(unsigned char digest[CC_MD5_DIGEST_LENGTH],
+                        CC_MD5_CTX *c) {
+    md5_finish(c, digest);
+    return 1;
+}
+
+static unsigned char *CC_MD5(const unsigned char *data,
+                             unsigned long nbytes, unsigned char *md) {
+    static unsigned char smd[CC_MD5_DIGEST_LENGTH];
+
+    if (!md)
+        md = smd;
+
+    assert(nbytes <= 0x7fffffff && "would overflow");
+
+    CC_MD5_CTX c;
+    CC_MD5_Init(&c);
+    CC_MD5_Update(&c, data, nbytes);
+    CC_MD5_Final(md, &c);
+
+    return md;
+}
+
+#endif /* __APPLE__ */