+dnl ------ OpenSSL
+AC_SUBST(SSL_CFLAGS)
+openssl=no
+AC_ARG_WITH(openssl, [ --with-openssl[=PREFIX] OpenSSL library in PREFIX], [openssl=$withval])
+SSL_CFLAGS=""
+SSL_LIBPATH=""
+if test "$openssl" != "no"; then
+ sslver=no
+ if test "$openssl" != "yes"; then
+ if test -x $openssl/bin/pkg-config; then
+ if $openssl/bin/pkg-config --exists openssl; then
+ SSL_CFLAGS=`$openssl/bin/pkg-config --cflags openssl`
+ LIBS="$LIBS `$openssl/bin/pkg-config --libs openssl`"
+ sslver=`$openssl/bin/pkg-config --modversion openssl`
+ fi
+ fi
+ if test "$sslver" = "no"; then
+ SSL_CFLAGS="-I$openssl/include -I$openssl/include/openssl"
+ SSL_LIBPATH="-L$openssl/lib"
+ fi
+ else
+ if test "$pkgconfigpath" != "NONE"; then
+ if $pkgconfigpath --exists openssl; then
+ SSL_CFLAGS=`$pkgconfigpath --cflags openssl`
+ LIBS="$LIBS `$pkgconfigpath --libs openssl`"
+ sslver=`$pkgconfigpath --modversion openssl`
+ fi
+ fi
+ if test "$sslver" = "no"; then
+ SSL_CFLAGS="-I/usr/include/openssl"
+ fi
+ fi
+ if test "$sslver" = "no"; then
+ xLIBS="$LIBS";
+ xCPPFLAGS="$CPPFLAGS";
+ CPPFLAGS="$CPPFLAGS $SSL_CFLAGS $SSL_LIBPATH"
+ AC_CHECK_LIB(crypto, main)
+ AC_CHECK_LIB(ssl, SSL_new)
+ if test "$ac_cv_lib_ssl_SSL_new" = "yes"; then
+ AC_CHECK_HEADER(openssl/ssl.h,[sslver=yes])
+ LIBS="$SSL_LIBPATH $LIBS"
+ fi
+ if test "$sslver" != "yes"; then
+ LIBS="$xLIBS"
+ fi
+ CPPFLAGS="$xCPPFLAGS"
+ fi
+ AC_MSG_CHECKING([for SSL])
+ if test "$sslver" != "no"; then
+ SSL_CFLAGS="-DHAVE_OPENSSL_SSL_H=1 $SSL_CFLAGS"
+ AC_MSG_RESULT([$sslver])
+ else
+ SSL_CFLAGS=""
+ AC_MSG_RESULT([None])
+ AC_MSG_ERROR([OpenSSL development libraries missing])
+ fi
+fi
+dnl
+dnl ------ GNU Readline
+READLINE_SHARED_LIBADD=""
+AC_CHECK_LIB(ncurses, tgetent, [READLINE_SHARED_LIBADD="-lncurses"],
+ AC_CHECK_LIB(termcap, tgetent, [READLINE_SHARED_LIBADD="-ltermcap"])
+)
+READLINE_LIBS=""
+AC_CHECK_LIB(readline, readline, [READLINE_LIBS="$READLINE_LIBS -lreadline $READLINE_SHARED_LIBADD"],,$READLINE_SHARED_LIBADD)
+AC_CHECK_LIB(history, add_history, [READLINE_LIBS="$READLINE_LIBS -lhistory"])
+if test "$ac_cv_lib_readline_readline" = "yes"; then
+ AC_CHECK_HEADERS(readline/readline.h readline/history.h)
+ xLIBS=$LIBS
+ LIBS="$LIBS $READLINE_LIBS"
+ AC_TRY_LINK([
+ #include <stdio.h>
+ #include <readline/readline.h>
+ ],[
+ rl_attempted_completion_over = 0;
+ ],AC_DEFINE(HAVE_READLINE_COMPLETION_OVER))
+ AC_TRY_LINK([
+ #include <stdio.h>
+ #include <readline/readline.h>
+ ],[
+ rl_completion_matches (0, 0);
+ ],[AC_DEFINE(HAVE_READLINE_RL_COMPLETION_MATCHES)])
+ LIBS=$xLIBS
+fi
+dnl ------ iconv
+AC_ARG_WITH(iconv, [ --with-iconv[=PREFIX] iconv library in PREFIX])
+if test "$with_iconv" != "no"; then
+ AC_MSG_CHECKING(for iconv)
+ oldLIBS="$LIBS"
+ oldCPPFLAGS="${CPPFLAGS}"
+ if test "$with_iconv" != "yes" -a "$with_iconv" != ""; then
+ LIBS="$LIBS -L${with_iconv}/lib"
+ CPPFLAGS="${CPPFLAGS} -I${with_iconv}/include"
+ fi
+ AC_TRY_LINK([
+ #include <iconv.h>
+ ],[
+ iconv_t t = iconv_open("", "");
+ ],[
+ AC_DEFINE(HAVE_ICONV_H)
+ AC_MSG_RESULT(yes)
+ ],[
+ LIBS="$LIBS -liconv"
+ AC_TRY_LINK([
+ #include <iconv.h>
+ ],[
+ iconv_t t = iconv_open("", "");
+ ],[
+ AC_DEFINE(HAVE_ICONV_H)
+ AC_MSG_RESULT(yes)
+ ],[
+ LIBS="$oldLIBS"
+ CPPFLAGS="$oldCPPFLAGS"
+ AC_MSG_RESULT(no)
+ ])
+ ])
+fi
+dnl ------ various functions
+AC_CHECK_FUNCS(vsnprintf gettimeofday poll strerror_r)
+if test "$ac_cv_func_poll" = "yes"; then
+ AC_CHECK_HEADERS(sys/poll.h)
+fi
+dnl ------ socklen_t
+dnl We check for socklen_t by making prototypes with the
+dnl various types. First socklen_t, then size_t, finally int.
+dnl If the prototype succeeds, we're probably safe.
+dnl That works if accept is not preprocessor defined (such sa AIX)
+AC_MSG_CHECKING([for socklen_t])
+AC_CACHE_VAL(ac_cv_check_socklen_t,[ac_cv_check_socklen_t=''
+ AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define try 1
+#ifdef AIX
+#if AIX >= 51
+#define try 0
+#endif
+#endif
+#if try
+extern int accept(int, struct sockaddr *, socklen_t *);
+#endif
+#ifdef __cplusplus
+}
+#endif
+ ],,[ac_cv_check_socklen_t=socklen_t],[
+ AC_TRY_COMPILE([
+#include <sys/types.h>
+#include <sys/socket.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
+#define try 1
+#ifdef AIX
+#if AIX >= 42
+#define try 0
+#endif
+#endif
+#if try
+extern int accept(int, struct sockaddr *, size_t t *);
+#endif
+#ifdef __cplusplus
+}
+#endif
+ ],,[ac_cv_check_socklen_t=size_t],[ac_cv_check_socklen_t=int])
+ ])
+])
+AC_MSG_RESULT($ac_cv_check_socklen_t)
+AC_DEFINE_UNQUOTED(YAZ_SOCKLEN_T,$ac_cv_check_socklen_t)
+dnl
+dnl ------ tcpd
+AC_ARG_ENABLE(tcpd,[ --enable-tcpd[=PREFIX] enable TCP wrapper for server if available])
+if test "$enable_tcpd" -a "$enable_tcpd" != "no"; then
+ oldLibs=$LIBS
+ oldCPPFLAGS=$CPPFLAGS
+ if test "$enable_tcpd" != "yes"; then
+ LIBS="$LIBS -L$enable_tcpd/lib"
+ CPPFLAGS="$CPPFLAGS -I$enable_tcpd/include"
+ fi
+ AC_MSG_CHECKING(for working tcpd.h)
+ LIBS="$LIBS -lwrap -lnsl"
+ AC_TRY_LINK([#include <syslog.h>
+#include <tcpd.h>
+ int allow_severity = LOG_INFO;
+ int deny_severity = LOG_WARNING;],
+ [struct request_info request_info; int i;
+ i = hosts_access(&request_info);],
+ tcpd_ok=1, tcpd_ok=0)
+ if test "$tcpd_ok" = "0"; then
+ AC_MSG_RESULT(no)
+ AC_MSG_ERROR([tcpd development libraries missing])
+ LIBS=$oldLibs
+ CPPFLAGS=$oldCPPFLAGS
+ else
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_TCPD_H)
+ fi
+fi
+dnl