dnl YAZ Toolkit, Index Data 1994-2006
dnl See the file LICENSE for details.
dnl $Id: configure.ac,v 1.36 2006-09-04 12:09:53 adam Exp $
AC_PREREQ(2.59)
AC_INIT([yaz],[2.1.29],[adam@indexdata.dk])
AC_CONFIG_SRCDIR(configure.ac)
AC_CONFIG_AUX_DIR([config])
AM_INIT_AUTOMAKE([1.8])
dnl
AC_SUBST(READLINE_LIBS)
AC_SUBST(YAZ_CONF_CFLAGS)
dnl ------ Checking programs
AC_PROG_CC
AC_PROG_CPP
AC_CHECK_PROGS(YACC, 'bison -y')
test -z "$YACC" && AC_MSG_WARN([GNU bison not found])
AC_CHECK_PROGS(TCLSH, tclsh8.5 tclsh8.4 tclsh8.3 tclsh8.2, tclsh)
AC_PROG_INSTALL
AM_PROG_LIBTOOL
AC_PATH_PROG(pkgconfigpath, pkg-config, NONE)
dnl
YAZ_DOC
dnl 
dnl
dnl ------ Headers
AC_CHECK_HEADERS(dirent.h fnmatch.h wchar.h locale.h langinfo.h pwd.h sys/select.h sys/socket.h sys/stat.h sys/time.h sys/types.h sys/un.h sys/wait.h unistd.h)
AC_HEADER_STDC
if test "$ac_cv_header_stdc" = "no"; then
    AC_MSG_WARN([Your system doesn not seem to support ANSI C])
fi
dnl ----- Types
AC_CHECK_TYPES([long long])
dnl
dnl ----- Sockets
checkBoth=0
AC_CHECK_FUNC(connect)
if test "$ac_cv_func_connect" = "no"; then
    AC_CHECK_LIB(socket, main, LIBS="$LIBS -lsocket", checkBoth=1)
fi
if test "$checkBoth" = "1"; then
    oldLibs=$LIBS
    LIBS="$LIBS -lsocket -lnsl"
    AC_CHECK_FUNC(accept, , [LIBS=$oldLibs])
fi
AC_CHECK_FUNC(gethostbyname, ,[AC_CHECK_LIB(nsl, main, [LIBS="$LIBS -lnsl"])])
dnl
dnl ------ OpenSSL
AC_SUBST(SSL_CFLAGS)
openssl=default
AC_ARG_WITH(openssl, [  --with-openssl[=PREFIX]   OpenSSL library in PREFIX], [openssl=$withval])
SSL_CFLAGS=""
SSL_LIBPATH=""
if test "$openssl" != "no"; then
    sslver=no
    if test "$openssl" != "yes" -a "$openssl" != "default"; 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])
	if test "$openssl" != "default"; then
	    AC_MSG_ERROR([OpenSSL development libraries missing])
	fi
    fi
fi
dnl
dnl ------ GNU Readline
READLINE_SHARED_LIBADD=""
AC_CHECK_LIB(ncurses, tgetent, [READLINE_SHARED_LIBADD="-lncurses"],
    AC_CHECK_LIB(termcap, tgetent, [READLINE_SHARED_LIBADD="-ltermcap"])
)
READLINE_LIBS=""
AC_CHECK_LIB(readline, readline, [READLINE_LIBS="$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(getaddrinfo vsnprintf gettimeofday poll strerror_r localtime_r usleep fopen64)
case $host in
    *-*-darwin*)
	trypoll="no";
	;;
    *)
	trypoll="yes";
	;;
esac

if test "$ac_cv_func_poll" = "yes" -a "$trypoll" = "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 are 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)
AC_DEFINE(YAZ_USE_NEW_LOG)
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=$oldCPPFLAGS
    else
	AC_MSG_RESULT(yes)
	AC_DEFINE(HAVE_TCPD_H)
    fi
fi
dnl
AC_SUBST(THREAD_CFLAGS)
HAVETHREADS=0
THREAD_CFLAGS=""
LIBTHREAD=""
dnl
dnl ------ GNU threads
AC_ARG_ENABLE(pth, [  --enable-pth            enable GNU threads],[enable_pth=$enableval],[enable_pth=no])
AC_SUBST(LIBPTH)
if test "$enable_pth" = "yes"; then
    OLIBS=$LIBS
    AC_CHECK_LIB(pth,main)
    if test "$ac_cv_lib_pth_main" = "yes"; then
	AC_CHECK_HEADERS(pth.h)
	if test "$ac_cv_header_pth_h" = "yes"; then
	    LIBTHREAD="-lpth"
	    THREAD_CFLAGS="-DYAZ_GNU_THREADS=1"
	    HAVETHREADS=1
	fi
    fi	
    LIBS="$OLIBS $LIBTHREAD"
fi
dnl
dnl ------ POSIX Threads
AC_ARG_ENABLE(threads, [  --disable-threads       disable POSIX threads],[enable_threads=$enableval],[enable_threads=yes])
if test "$enable_threads" = "yes" -a "$HAVETHREADS" = "0"; then
    OLIBS=$LIBS
    OCC=$CC
    AC_CHECK_LIB(pthread,main)
    AC_MSG_CHECKING(for working POSIX Threads)
    AC_TRY_LINK([#include <pthread.h>
	    void *func(void *p) { return 0; }
	    ],[
	    pthread_t pthread_id;
	    pthread_create (&pthread_id, 0, func, 0);],
	thread_ok=yes,thread_ok=no)
    if test "$thread_ok" = "yes"; then
	AC_MSG_RESULT(yes)
	LIBTHREAD="-lpthread"
	THREAD_CFLAGS="-DYAZ_POSIX_THREADS=1 -D_REENTRANT"
	HAVETHREADS=1
    else
	CC="$CC -pthread"
	AC_TRY_LINK([#include <pthread.h>
		void *func(void *p) { return 0; }
		],[
		pthread_t pthread_id;
		pthread_create (&pthread_id, 0, func, 0);],
	    thread_ok=yes,thread_ok=no)
	if test "$thread_ok" = "yes"; then
	    AC_MSG_RESULT([yes,BSD])
	    THREAD_CFLAGS="-pthread -DYAZ_POSIX_THREADS=1 -D_REENTRANT"
	    LIBTHREAD="-pthread"
	    HAVETHREADS=1
	fi
    fi
    if test "$thread_ok" = "no"; then
	AC_MSG_RESULT(no)
    fi
    CC=$OCC
    LIBS="$OLIBS $LIBTHREAD"
fi

dnl ----- libXSLT/libEXLT/libXML2
AC_SUBST(XML2_CFLAGS)
AC_SUBST(YAZ_CONFIG_CFLAGS)
YAZ_CONFIG_CFLAGS=""

YAZ_LIBXML2(
    [
	AC_DEFINE(YAZ_HAVE_XML2) 
	YAZ_CONFIG_CFLAGS="$YAZ_CONFIG_CFLAGS -DYAZ_HAVE_XML2=1"
    ]
)

YAZ_LIBXSLT(
    [
	AC_DEFINE(YAZ_HAVE_XSLT)
	YAZ_CONFIG_CFLAGS="$YAZ_CONFIG_CFLAGS -DYAZ_HAVE_XSLT=1"
    ]
)
YAZ_LIBEXSLT(
    [
	AC_DEFINE(YAZ_HAVE_EXSLT)
	YAZ_CONFIG_CFLAGS="$YAZ_CONFIG_CFLAGS -DYAZ_HAVE_EXSLT=1"
    ]
)
	
YAZ_CONFIG_CFLAGS="$YAZ_CONFIG_CFLAGS $XML2_CFLAGS"

if test "$XML2_LIBS"; then
    LIBS="$XML2_LIBS $LIBS"
fi

dnl
dnl ------ Memory debugging
AC_ARG_ENABLE(memdebug, [  --enable-memdebug       enable memory debugging],[enable_memdebug=$enableval],[enable_memdebug=none])
if test "$enable_memdebug" = "yes"; then
    AC_DEFINE(TRACE_XMALLOC,2)
elif test "$enable_memdebug" = "no"; then
    AC_DEFINE(TRACE_XMALLOC,0)
fi
dnl
dnl ------ Using this for "in-source" yaz-config
AC_SUBST(YAZ_SRC_ROOT)
AC_SUBST(YAZ_BUILD_ROOT)
YAZ_SRC_ROOT=`cd ${srcdir}; pwd`
YAZ_BUILD_ROOT=`pwd`
dnl
dnl ------ Makefiles
dnl
AC_OUTPUT([
Makefile
yaz.spec
src/Makefile
test/Makefile
util/Makefile
include/Makefile
include/yaz/Makefile
client/Makefile
ztest/Makefile
zoom/Makefile
doc/Makefile
doc/local.ent
doc/common/Makefile
doc/common/print.dsl
etc/Makefile
yaz-config
Doxyfile
],[sed s%yaz_echo_source=yes%yaz_echo_source=no%g < yaz-config > util/yaz-config && chmod +x yaz-config util/yaz-config])


echo \
"------------------------------------------------------------------------
Configuration:

  YAZ Package:                ${PACKAGE}
  YAZ Version:                ${VERSION}
  Bugreport:                  ${PACKAGE_BUGREPORT}
  Source code location:       ${srcdir}
  C Preprocessor:             ${CPP}
  C Preprocessor flags:       ${CPPFLAGS}
  C Compiler:                 ${CC}
  C Compiler flags:           ${CFLAGS}
  Linker flags:               ${LDFLAGS}
  Linked libs:                ${LIBS}
  Host System Type:           ${host}
  Install path:               ${prefix}
  Automake:                   ${AUTOMAKE}
  Archiver:                   ${AR}
  Ranlib:                     ${RANLIB}

------------------------------------------------------------------------"
dnl Local Variables:
dnl mode:shell-script
dnl sh-indentation: 2
dnl sh-basic-offset: 4
dnl End: