1dnl 2dnl macros for configure.in to detect openssl 3dnl 4 5AC_DEFUN([CMU_HAVE_OPENSSL], [ 6AC_REQUIRE([CMU_FIND_LIB_SUBDIR]) 7AC_ARG_WITH(openssl, 8 [AS_HELP_STRING([--with-openssl=DIR], [use OpenSSL from DIR])], 9 with_openssl=$withval, with_openssl="yes") 10 11 save_CPPFLAGS=$CPPFLAGS 12 save_LDFLAGS=$LDFLAGS 13 14 if test -d $with_openssl; then 15 CPPFLAGS="${CPPFLAGS} -I${with_openssl}/include" 16 CMU_ADD_LIBPATH(${with_openssl}/$CMU_LIB_SUBDIR) 17 fi 18 19case "$with_openssl" in 20 no) 21 with_openssl="no";; 22 *) 23 with_openssl="yes" 24 dnl if openssl has been compiled with the rsaref2 libraries, 25 dnl we need to include the rsaref libraries in the crypto check 26 LIB_RSAREF="" 27 AC_CHECK_LIB(rsaref, RSAPublicEncrypt, 28 cmu_have_rsaref=yes; 29 [AC_CHECK_LIB(RSAglue, RSAPublicEncrypt, 30 LIB_RSAREF="-lRSAglue -lrsaref", 31 LIB_RSAREF="-lrsaref")], 32 cmu_have_rsaref=no) 33 34 AC_CHECK_HEADER(openssl/evp.h, [ 35 AC_CHECK_LIB(crypto, EVP_DigestInit, 36 [AC_CHECK_LIB(crypto, SHA512, 37 AC_DEFINE(HAVE_SHA512,[], 38 [Do we have SHA512?]))], 39 with_openssl="no", $LIB_RSAREF)], 40 with_openssl="no") 41 ;; 42esac 43 44 if test "$with_openssl" != "no"; then 45 AC_DEFINE(HAVE_OPENSSL,[],[Do we have OpenSSL?]) 46 else 47 CPPFLAGS=$save_CPPFLAGS 48 LDFLAGS=$save_LDFLAGS 49 fi 50]) 51