Forcing libssh2 lib location OS X may have libssh2 in diff locations, so CHECK_LIBRARY_EXISTS may check the wrong lib; forcing it to use a found directory.
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4747818..73231c2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -286,7 +286,7 @@ IF (LIBSSH2_FOUND)
#SET(LIBGIT2_PC_LIBS "${LIBGIT2_PC_LIBS} ${LIBSSH2_LDFLAGS}")
SET(SSH_LIBRARIES ${LIBSSH2_LIBRARIES})
- CHECK_LIBRARY_EXISTS("${LIBSSH2_LIBRARIES}" libssh2_userauth_publickey_frommemory "" HAVE_LIBSSH2_MEMORY_CREDENTIALS)
+ CHECK_LIBRARY_EXISTS("${LIBSSH2_LIBRARIES}" libssh2_userauth_publickey_frommemory "${LIBSSH2_LIBRARY_DIRS}" HAVE_LIBSSH2_MEMORY_CREDENTIALS)
IF (HAVE_LIBSSH2_MEMORY_CREDENTIALS)
ADD_DEFINITIONS(-DGIT_SSH_MEMORY_CREDENTIALS)
ENDIF()