- AC_MSG_NOTICE([compiling in support for SSL])
- AC_DEFINE([HAVE_SSL], 1,
- [Define if SSL support should be compiled in.])
- SSL_OBJ='openssl.o'
+ dnl As of this writing (OpenSSL 0.9.6), the libcrypto shared library
+ dnl doesn't record its dependency on libdl, so we need to make sure
+ dnl -ldl ends up in LIBS on systems that have it. Most OSes use
+ dnl dlopen(), but HP-UX uses dnl shl_load().
+ AC_CHECK_LIB(dl, dlopen, [], [
+ AC_CHECK_LIB(dl, shl_load)
+ ])
+
+ dnl Now actually check for -lssl
+ AC_LIB_HAVE_LINKFLAGS([ssl], [crypto], [
+ #include <openssl/ssl.h>
+ #include <openssl/x509.h>
+ #include <openssl/err.h>
+ #include <openssl/rand.h>
+ #include <openssl/des.h>
+ #include <openssl/md4.h>
+ #include <openssl/md5.h>
+ ], [SSL_library_init ()])
+ if test x"$LIBSSL" != x
+ then
+ AC_MSG_NOTICE([compiling in support for SSL])
+ AC_DEFINE([HAVE_SSL], 1,
+ [Define if SSL support should be compiled in.])
+ SSL_OBJ='openssl.o'
+ fi