dnl -*- mode: m4; -*-
dnl Process this file with autoconf to produce a configure script.

# Require autoconf 2.52
AC_PREREQ(2.52)

AC_INIT(opensc, [0.11.1])
AM_INIT_AUTOMAKE
AM_CONFIG_HEADER(config.h)

AC_CONFIG_SRCDIR(src/libopensc/sc.c)

# LT Version numbers, remember to change them just *before* a release.
#   (Code changed:                      REVISION++)
#   (Interfaces added/removed/changed:  CURRENT++, REVISION=0)
#   (Interfaces added:                  AGE++)
#   (Interfaces removed:                AGE=0)
OPENSC_LT_CURRENT=2
OPENSC_LT_REVISION=0
OPENSC_LT_AGE=0

AC_SUBST(OPENSC_LT_CURRENT)
AC_SUBST(OPENSC_LT_REVISION)
AC_SUBST(OPENSC_LT_AGE)

AC_CANONICAL_HOST
AC_PROG_CC
AC_C_BIGENDIAN

dnl Check for some target-specific stuff
case "$host" in
*-*-hpux*)
	CPPFLAGS="$CPPFLAGS -D_HPUX_SOURCE -D_XOPEN_SOURCE_EXTENDED"
	;;
*-*-solaris*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib -R/usr/local/lib"
	need_dash_r=1
	;;
*-*-sunos4*)
	CPPFLAGS="$CPPFLAGS -DSUNOS4"
	;;
*-*-aix*)
	CPPFLAGS="$CPPFLAGS -I/usr/local/include"
	LDFLAGS="$LDFLAGS -L/usr/local/lib"
	if (test "$LD" != "gcc" && test -z "$blibpath"); then
		blibpath="/usr/lib:/lib:/usr/local/lib"
	fi
	;;
*-*-osf*)
	CPPFLAGS="$CPPFLAGS -D_POSIX_PII_SOCKET"
	;;
*-*-darwin*)
	LIBS="$LIBS -Wl,-framework,CoreFoundation"
	if test "$GCC" = "yes"; then
		CFLAGS="$CFLAGS -no-cpp-precomp"
	fi
	with_bundles=yes
	;;
esac

dnl Options
AM_MAINTAINER_MODE

dnl Checks for programs.
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
AM_PROG_LEX
AC_PATH_PROG(TEST_MINUS_S_SH, bash)
AC_PATH_PROG(TEST_MINUS_S_SH, ksh)
AC_PATH_PROG(TEST_MINUS_S_SH, sh)

dnl Add libtool support.
AM_PROG_LIBTOOL

dnl C Compiler features
AC_C_INLINE
if test "$GCC" = "yes"; then
	CFLAGS="-Wall -fno-strict-aliasing $CFLAGS"
fi

dnl Checks for header files.
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([errno.h fcntl.h malloc.h stdlib.h inttypes.h string.h strings.h sys/time.h unistd.h locale.h getopt.h dlfcn.h utmp.h])

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_UID_T
AC_TYPE_SIZE_T
AC_HEADER_TIME

dnl Checks for library functions.
AC_FUNC_ERROR_AT_LINE
AC_FUNC_STAT
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([getpass gettimeofday memset mkdir strdup strerror setutent vsyslog setlocale])

AC_CHECK_HEADERS([zlib.h],[LIBS="$LIBS -lz"])

dnl Special check for pthread support.
ACX_PTHREAD(
[
 AC_DEFINE(HAVE_PTHREAD,1,
  [Define if you have POSIX threads libraries and header files.])
], [
 AC_MSG_ERROR([POSIX thread support required])
])
LIBS="$PTHREAD_LIBS $LIBS"
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
CC="$PTHREAD_CC"

dnl See if socket() is found from libsocket
AC_CHECK_LIB(socket, socket, [LIBS="$LIBS -lsocket" ac_cv_func_socket_in_lsocket=yes], ac_cv_func_socket_in_lsocket=no)

ac_cv_func_res_query_in_lresolv=no
if test x$ac_cv_func_socket_in_lsocket = xyes; then
  AC_CHECK_LIB(resolv, res_query, [LIBS="$LIBS -lresolv" ac_cv_func_res_query_in_lresolv=yes])
fi

AC_SUBST(GETOPTSRC)
AC_CHECK_FUNC(getopt_long, AC_DEFINE(HAVE_GETOPT_LONG, 1, [Define if you have the `getopt_long' function.]),
              [GETOPTSRC="$GETOPTSRC \$(top_srcdir)/src/common/my_getopt.c"
               CPPFLAGS="-I\$(top_srcdir)/src/common $CPPFLAGS"
               AC_DEFINE(HAVE_GETOPT_H, 1, [Define if you have the <getopt.h> header file.])])

AC_CHECK_HEADERS([readline/readline.h])
AC_SUBST(LIBREADLINE)
saved_LIBS="$LIBS"
# libreadline will also need libtermcap on some OSes
for add in "" "-ltermcap"; do
	if test "x$add" != x; then
		AC_MSG_CHECKING([for readline with])
		AC_MSG_RESULT($add)
	fi
	LIBS="$saved_LIBS $add"
	unset ac_cv_lib_readline_readline
	AC_CHECK_LIB(readline, readline, [
		LIBREADLINE="-lreadline $add"
		ac_cv_func_readline_lreadline=yes
	], ac_cv_func_readline_lreadline=no)
	test "x$ac_cv_func_readline_lreadline" = xyes && break
done
LIBS="$LIBS $LIBREADLINE"
AC_CHECK_FUNCS(readline)
LIBS="$saved_LIBS"

AC_ARG_WITH(flex-dir,
	AC_HELP_STRING([--with-flex-dir=PATH],[Specify path to flex installation]),
	[
		if test "x$withval" != "xno" ; then
			tryflexdir=$withval
		fi
	]
)

saved_LDFLAGS="$LDFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
AC_SUBST(LIBFL)
AC_CACHE_CHECK([for flex directory], ac_cv_flexdir, [
	for flexdir in $tryflexdir "" /usr/local/flex /usr/lib/flex /usr/local/flex /usr/lib/flex /usr/local /usr/pkg /opt /opt/flex ; do
		# Skip directories if they don't exist
		if test ! -z "$flexdir" -a ! -d "$flexdir/" ; then
			continue;
		fi

		LIBFL="-lfl"
		CPPFLAGS="$saved_CPPFLAGS"
		LDFLAGS="$saved_LDFLAGS"
		if test ! -z "$flexdir" -a "x$flexdir" != "x/usr"; then
			LDFLAGS="-L$flexdir/lib $saved_LDFLAGS"
			if test ! -z "$need_dash_r" ; then
				LDFLAGS="-R$flexdir/lib $LDFLAGS"
			fi
			CPPFLAGS="-I$flexdir/include $saved_CPPFLAGS"
		fi
		break;
	done

	if test -z "$flexdir" ; then
		flexdir="(system)"
	fi
	ac_cv_flexdir=$flexdir
])

dnl use ltdl
AC_LIB_LINKFLAGS(ltdl)

saved_LIBS="$LIBS"
LIBS="$saved_LIBS $LIBLTDL"
AC_CHECK_HEADER([ltdl.h], [AC_MSG_RESULT([yes])],
   [ AC_MSG_ERROR([ltdl.h not found, please install libltdl and/or libtool]) ])
LIBS="$saved_LIBS"

PKG_CHECK_MODULES(OPENCT, [libopenct], [
	OPENCT_MSG=yes
	AC_DEFINE(HAVE_OPENCT, 1, [Have OpenCT libraries and header files])
	], [
	OPENCT_MSG=no
	])
AC_SUBST(OPENCT_CFLAGS)
AC_SUBST(OPENCT_LIBS)

AM_CONDITIONAL(HAVE_OPENCT, test "x$OPENCT_MSG" = "xyes")

PKG_CHECK_MODULES(OPENSSL, [openssl], [
        OPENSSL_MSG=yes
        AC_DEFINE(HAVE_OPENSSL, 1, [Have OpenSSL libraries and header files])
        ], [
        OPENSSL_MSG=no
        ])
AC_SUBST(OPENSSL_CFLAGS)
AC_SUBST(OPENSSL_LIBS)

AM_CONDITIONAL(HAVE_OPENSSL, test "x$OPENSSL_MSG" = "xyes")

PKG_CHECK_MODULES(PCSC, [libpcsclite], [
        PCSC_MSG=yes
	AC_DEFINE(HAVE_PCSC, 1, [Have PC/SC implementation])
        ], [
        PCSC_MSG=no
        ])
AC_SUBST(PCSC_CFLAGS)
AC_SUBST(PCSC_LIBS)

case "$host" in
*-*-darwin*)
	if test -z "$PCSC_LIBS" -a -z "$PCSC_LIBS"
	then
		PCSC_MSG=yes
		PCSC_CFLAGS=""
		PCSC_LIBS="-Wl,-framework,PCSC"

		# overwrite autoconf cached variables, too.
		ac_env_PCSC_CFLAGS_set=${PCSC_CFLAGS+set}
		ac_env_PCSC_CFLAGS_value=$PCSC_CFLAGS
		ac_cv_env_PCSC_CFLAGS_set=${PCSC_CFLAGS+set}
		ac_cv_env_PCSC_CFLAGS_value=$PCSC_CFLAGS
		ac_env_PCSC_LIBS_set=${PCSC_LIBS+set}
		ac_env_PCSC_LIBS_value=$PCSC_LIBS
		ac_cv_env_PCSC_LIBS_set=${PCSC_LIBS+set}
		ac_cv_env_PCSC_LIBS_value=$PCSC_LIBS

		# header files are included via PCSC/*
		AC_DEFINE(PCSC_INCLUDES_IN_PCSC, 1, [Header files in PCSC subdirectory])
		AC_DEFINE(HAVE_PCSC, 1 , [Have PC/SC implementation])
	fi
	;;
esac

AM_CONDITIONAL(HAVE_PCSC, test "x$PCSC_MSG" = "xyes")

saved_LIBS="$LIBS"
saved_CFLAGS="$CFLAGS"
if test "x$PCSC_MSG" = "xyes"; then
	CFLAGS="${PCSC_CFLAGS} $saved_CFLAGS"
	LIBS="$PCSC_LIBS $saved_LIBS"
	AC_TRY_LINK([
#include <stdlib.h>
#ifdef PCSC_INCLUDES_IN_PCSC
#include <PCSC/wintypes.h>
#include <PCSC/winscard.h>
#else
#include <winscard.h>
#endif
	], [
SCardControl(NULL, NULL, 0, NULL, NULL);
	], [
		AC_DEFINE(HAVE_PCSC_OLD, 1, [old version of pc/sc-lite])
	])
fi
LIBS="$saved_LIBS"
CFLAGS="$saved_CFLAGS"

# check for reader.h
saved_CFLAGS="$CFLAGS"
CFLAGS="$CFLAGS $PCSC_CFLAGS"
AC_CHECK_HEADER(reader.h,
	[AC_DEFINE([HAVE_READER_H], 1, [Define if pcsc-lite with reader.h exists])],
	[AC_MSG_WARN([reader.h not found, install pcsc-lite 1.2.9-beta8 or later, or use PCSC_CFLAGS=... ./configure])],
	[ #include <reader.h>])
CFLAGS="$saved_CFLAGS"

dnl AM_PATH_LIBASSUAN([MINIMUM-VERSION,
dnl                   [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND ]]])
dnl Test for libassuan and define LIBASSUAN_CFLAGS and LIBASSUAN_LIBS
AM_PATH_LIBASSUAN( , [
	AM_CONDITIONAL(HAVE_ASSUAN, true)
	ASSUAN_MSG=yes
	], 
	[
	AM_CONDITIONAL(HAVE_ASSUAN, false)
	ASSUAN_MSG=no
	])
AC_SUBST(ASSUAN_CFLAGS)
AC_SUBST(ASSUAN_LIBS)

PLUGINDIR="/usr/lib/mozilla/plugins"
AC_ARG_WITH(plugin-dir,
	AC_HELP_STRING([--with-plugin-dir=PATH], [install Mozilla plugin to PATH [[/usr/lib/mozilla/plugins]]]),
	[
		PLUGINDIR="$withval"
	]
)
AC_SUBST(PLUGINDIR)

# Check for PIN entry program used by OpenSC Signer
PIN_ENTRY="/usr/local/bin/gpinentry"
AC_ARG_WITH(pin-entry,
	AC_HELP_STRING([--with-pin-entry=PROG],[Run PROG as PIN-entry for OpenSC Signer]),
	[
		if test ! -z "$withval" -a "x$withval" != "xno" ; then
			PIN_ENTRY="$withval"
		fi
	]
)
AC_DEFINE_UNQUOTED(PIN_ENTRY, "$PIN_ENTRY", [PIN-entry program for OpenSC Signer])

if test "x$prefix" = xNONE; then
  prefix=$ac_default_prefix
fi
if test "x$exec_prefix" = xNONE; then
  exec_prefix='${prefix}'
fi

dnl Enable/disable debugging messages.
AC_ARG_ENABLE(debug,
	AC_HELP_STRING([--enable-debug], [enable debug messages. [[default=no]]]),
	AC_DEFINE(DEBUG, 1, [Enable debug messages.]))

CPPFLAGS="-I\${top_builddir}/src/include $CPPFLAGS"

opensc_etc_path=`eval echo ${sysconfdir}` ; opensc_etc_path=`eval echo ${opensc_etc_path}`
AC_DEFINE_UNQUOTED(OPENSC_ETC_PATH, "$opensc_etc_path", [etc path for libopensc])
opensc_conf_path=`eval echo ${opensc_etc_path}/opensc.conf`
AC_DEFINE_UNQUOTED(OPENSC_CONF_PATH, "$opensc_conf_path", [default config file for libopensc])

AC_SUBST(LIBSCCONF)
LIBSCCONF="\${top_builddir}/src/scconf/libscconf.la"
AC_SUBST(LIBOPENSC)
LIBOPENSC="\${top_builddir}/src/libopensc/libopensc.la"

# Pass information about installed OpenSC requirements, so that
# a proper opensc-config file will be build.
OPENSC_LIBS="-L${libdir} -lopensc"
OPENSC_CFLAGS=""
AC_SUBST(OPENSC_LIBS)
AC_SUBST(OPENSC_CFLAGS)

pkgdata=`eval echo ${datadir}/${PACKAGE}` ; pkgdata=`eval echo ${pkgdata}`
AC_SUBST(pkgdata)

AC_OUTPUT([
Makefile
aclocal/Makefile
doc/Makefile
etc/Makefile
man/Makefile
src/Makefile
src/common/Makefile
src/include/Makefile
src/include/opensc/Makefile
src/include/opensc/rsaref/Makefile
src/libopensc/Makefile
src/libopensc/opensc-config
src/libopensc/libopensc.pc
src/libopensc/libpkcs15init.pc
src/libopensc/libscconf.pc
src/openssh/Makefile
src/pkcs11/Makefile
src/pkcs11/rsaref/Makefile
src/pkcs15init/Makefile
src/scconf/Makefile
src/signer/Makefile
src/signer/npinclude/Makefile
src/tests/Makefile
src/tests/regression/Makefile
src/tools/Makefile
win32/Makefile
])

A=`eval echo ${prefix}` ; A=`eval echo ${A}`
B=`eval echo ${bindir}` ; B=`eval echo ${B}`
C=`eval echo ${sysconfdir}` ; C=`eval echo ${C}`

echo ""
echo "OpenSC has been configured with the following options"

echo ""
echo "Version:             ${PACKAGE_VERSION}"
echo "User binaries:       ${B}"
echo "Configuration files: ${C}"

echo ""
echo "Host:                ${host}"
echo "Compiler:            ${CC}"
echo "Compiler flags:      ${CFLAGS}"
echo "Preprocessor flags:  ${CPPFLAGS}"
echo "Linker flags:        ${LDFLAGS}"
echo "Libraries:           ${LIBS}"

echo ""
echo "OpenSSL support:          ${OPENSSL_MSG}"
echo "PC/SC support:            ${PCSC_MSG}"
echo "OpenCT support:           ${OPENCT_MSG}"
echo "Assuan support:           ${ASSUAN_MSG}"
echo ""