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AC_DEFUN([AX_LIB_SSL],
[
########################################
# openssl
########################################
have_ssl=false
AC_MSG_CHECKING([for SSL support (openssl)])
AC_ARG_WITH(openssl, [ --with-openssl=<path> enable openssl])
if test "$with_openssl" == "yes"
then
AC_MSG_NOTICE([openssl enabled])
have_ssl=true
# Check for OpenSSL headers
AC_CHECK_HEADERS([openssl/ssl.h],,AC_MSG_ERROR([Unable to find the OpenSSL headers]))
# Check for OpenSSL library
LIBS_SAVED="$LIBS"
LIBS="$LIBS_SAVED -lssl -lcrypto"
AC_MSG_CHECKING(linking with openssl)
AC_TRY_LINK([#include "openssl/ssl.h"],[ SSL_library_init(); return(0); ],
[ AC_MSG_RESULT(ok) ],
[ AC_MSG_RESULT(failed)
AC_MSG_ERROR(Unable to link with the openssl library; use --without-openssl to disable)
])
LIBS="$LIBS_SAVED"
OPENSSL_LIBS="-lssl -lcrypto"
# Found the OpenSSL library
AC_MSG_NOTICE(Building QuickFIX with support for SSL (using OpenSSL))
AC_DEFINE(HAVE_SSL, 1, [Define if you have SSL])
elif test "$with_openssl" != ""
then
AC_MSG_NOTICE([openssl enabled - $with_openssl])
have_ssl=true
# alternative location provided
CPPFLAGS="$CPPFLAGS -I$with_openssl/include"
LDFLAGS="$LDFLAGS -L$with_openssl/lib"
# Check for OpenSSL headers
AC_CHECK_HEADERS([$with_openssl/include/openssl/ssl.h],,AC_MSG_ERROR([Unable to find the OpenSSL headers]))
# Check for OpenSSL library
LIBS_SAVED="$LIBS"
LIBS="$LIBS_SAVED -lssl -lcrypto"
AC_MSG_CHECKING(linking with openssl)
AC_TRY_LINK([#include "$with_openssl/include/openssl/ssl.h"],[ SSL_library_init(); return(0); ],
[ AC_MSG_RESULT(ok) ],
[ AC_MSG_RESULT(failed)
AC_MSG_ERROR(Unable to link with the openssl library; use --without-openssl to disable)
])
LIBS="$LIBS_SAVED"
OPENSSL_LIBS="-lssl -lcrypto"
# Found the OpenSSL library
AC_MSG_NOTICE(Building QuickFIX with support for SSL (using OpenSSL))
AC_DEFINE(HAVE_SSL, 1, [Define if you have SSL])
else
AC_MSG_NOTICE([openssl disabled])
have_ssl=false
fi
AC_SUBST(OPENSSL_LIBS)
AM_CONDITIONAL(HAVE_SSL, $have_ssl)
])
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