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dnl
dnl macros for configure.in to detect openssl
dnl
AC_DEFUN([CMU_HAVE_OPENSSL], [
AC_REQUIRE([CMU_FIND_LIB_SUBDIR])
AC_ARG_WITH(openssl,
[AS_HELP_STRING([--with-openssl=DIR], [use OpenSSL from DIR])],
with_openssl=$withval, with_openssl="yes")
save_CPPFLAGS=$CPPFLAGS
save_LDFLAGS=$LDFLAGS
if test -d $with_openssl; then
CPPFLAGS="${CPPFLAGS} -I${with_openssl}/include"
CMU_ADD_LIBPATH(${with_openssl}/$CMU_LIB_SUBDIR)
fi
case "$with_openssl" in
no)
with_openssl="no";;
*)
with_openssl="yes"
dnl if openssl has been compiled with the rsaref2 libraries,
dnl we need to include the rsaref libraries in the crypto check
LIB_RSAREF=""
AC_CHECK_LIB(rsaref, RSAPublicEncrypt,
cmu_have_rsaref=yes;
[AC_CHECK_LIB(RSAglue, RSAPublicEncrypt,
LIB_RSAREF="-lRSAglue -lrsaref",
LIB_RSAREF="-lrsaref")],
cmu_have_rsaref=no)
AC_CHECK_HEADER(openssl/evp.h, [
AC_CHECK_LIB(crypto, EVP_DigestInit,
[AC_CHECK_LIB(crypto, SHA512,
AC_DEFINE(HAVE_SHA512,[],
[Do we have SHA512?]))],
with_openssl="no", $LIB_RSAREF)],
with_openssl="no")
;;
esac
if test "$with_openssl" != "no"; then
AC_DEFINE(HAVE_OPENSSL,[],[Do we have OpenSSL?])
else
CPPFLAGS=$save_CPPFLAGS
LDFLAGS=$save_LDFLAGS
fi
])
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