dnl Process this file with autoconf to produce a configure script.
dnl This version of log4cplus requires the follwing autotools versions:
dnl autoconf-2.69
dnl automake-1.12
dnl libtool-2.4.2

AC_INIT([log4cplus],[1.1.0])
AC_CANONICAL_TARGET
AC_CONFIG_SRCDIR([src/logger.cxx])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([1.12 no-define nostdinc gnu -Wall])
AM_PROG_AR

#
# +1 : ? : +1  == new interface that does not break old one
# +1 : ? : 0   == new interface that breaks old one
#  ? : ? : 0   == no new interfaces, but breaks apps
#  ? :+1 : ?   == just some internal changes, nothing breaks but might work
#                 better
# CURRENT : REVISION : AGE
LT_VERSION=5:0:0
LT_RELEASE=1.1
AC_SUBST([LT_VERSION])
AC_SUBST([LT_RELEASE])

dnl Use C++ std::locale and std::codecvt facet for string conversion.

AH_TEMPLATE([LOG4CPLUS_WORKING_LOCALE],
  [Define for compilers/standard libraries that support more than
   just the "C" locale.])

AC_ARG_WITH([working-locale],
  [AS_HELP_STRING([--with-working-locale],
    [Use std::locale for char->wchar_t conversion.])],
  [LOG4CPLUS_CHECK_YESNO([${withval}], [--with-working-locale])],
  [with_working_locale=no])

AS_IF([test "x$with_working_locale" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_WORKING_LOCALE], [1])],
  [])

dnl Use C99 wcsrtombs() etc. functions for string conversion.

AH_TEMPLATE([LOG4CPLUS_WORKING_C_LOCALE],
  [Define for C99 compilers/standard libraries that support more than
   just the "C" locale.])

AC_ARG_WITH([working-c-locale],
  [AS_HELP_STRING([--with-working-c-locale],
    [Use C99 locale facilities for char->wchar_t conversion.])],
  [LOG4CPLUS_CHECK_YESNO([${withval}], [--with-working-c-locale])],
  [with_working_c_locale=no])

AS_IF([test "x$with_working_c_locale" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_WORKING_C_LOCALE], [1])],
  [])

dnl Use iconv() function for string conversion.

AH_TEMPLATE([LOG4CPLUS_WITH_ICONV],
  [Define when iconv() is available.])

AC_ARG_WITH([iconv],
  [AS_HELP_STRING([--with-iconv],
    [Use iconv() for char->wchar_t conversion.])],
  [LOG4CPLUS_CHECK_YESNO([${withval}], [--with-iconv])],
  [with_iconv=no])

AS_IF([test "x$with_iconv" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_WITH_ICONV], [1])],
  [])

dnl Debugging or release build?

AC_ARG_ENABLE([debugging],
  [AS_HELP_STRING([--enable-debugging],
    [Turns off optimization and adds switches that generate debugging
    information.])],
  [LOG4CPLUS_CHECK_YESNO([${enableval}], [--enable-debugging])],
  [enable_debugging=no])

AH_TEMPLATE([LOG4CPLUS_DEBUGGING],
  [Defined for --enable-debugging builds.])

AS_IF([test "x$enable_debugging" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_DEBUGGING])
   LOG4CPLUS_NDEBUG=-UNDEBUG
   AS_CASE(["$target_os"],
     [linux*],
     [dnl The -U_FORTIFY_SOURCE bit is here to avoid redefinition
      dnl warning on Ubuntu where _FORTIFY_SOURCE is enabled by
      dnl default.
      AS_VAR_APPEND([CPPFLAGS], [" -U_FORTIFY_SOURCE"])
      AS_VAR_APPEND([CPPFLAGS], [" -D_FORTIFY_SOURCE=1"])])],
  [LOG4CPLUS_NDEBUG=-DNDEBUG])
AC_SUBST([LOG4CPLUS_NDEBUG])

dnl Turn warnings on/off?

AC_ARG_ENABLE([warnings],
  [AC_HELP_STRING([--enable-warnings],
    [Use compiler warnings option, e.g. -Wall. Enabled by default.])],
  [LOG4CPLUS_CHECK_YESNO([${enableval}], [--enable-warnings])],
  [enable_warnings=yes])

dnl Check for c/c++ compilers.

AC_PROG_CXX
AC_PROG_CXXCPP
AC_LANG([C++])

AS_VAR_APPEND([CPPFLAGS], [" -D_GNU_SOURCE=1"])

AS_CASE(["$target_os"],
  [mingw*],
  [dnl Undefining __STRICT_ANSI__ is a workaround for MinGW
   dnl compilation problem.  C++ <cwchar> header does not compile in
   dnl GCC 4.4.0 because some functions like swprintf() are not
   dnl visible.
   AS_VAR_APPEND([CPPFLAGS], [" -U__STRICT_ANSI__"])
   AS_VAR_APPEND([CPPFLAGS], [" -DWIN32"])
   AS_VAR_APPEND([CPPFLAGS], [" -D_WIN32"])
   AS_VAR_APPEND([CPPFLAGS], [" -DMINGW_HAS_SECURE_API=1"])],
  [cygwin*],
  [dnl Undefining __STRICT_ANSI__ is a workaround for compilation
   dnl problem.  C <stdio.h> header does not define vsnprintf() or
   dnl _vsnprintf().
   AS_VAR_APPEND([CPPFLAGS], [" -U__STRICT_ANSI__"])])

AC_ARG_ENABLE([profiling],
  [AS_HELP_STRING([--enable-profiling],
    [Compile with profiling compiler options.])],
  [LOG4CPLUS_CHECK_YESNO([${enableval}], [--enable-profiling])],
  [enable_profiling=no])
LOG4CPLUS_PROFILING_LDFLAGS=
LOG4CPLUS_PROFILING_CXXFLAGS=

dnl Checks for programs.

AX_COMPILER_VENDOR

AS_IF([test "x$enable_warnings" = "xyes"],
  [AS_CASE([$ax_cv_cxx_compiler_vendor],
    dnl Skip all warnings detection for Solaris Studio compilers. It
    dnl adds the -v option and that breaks PIC support detection.
    [sun], [],
    [AX_CXXFLAGS_WARN_ALL])])

AS_CASE([$ax_cv_cxx_compiler_vendor],
  [gnu|clang],
  [AS_IF([test "x$enable_warnings" = "xyes"],
     [AX_CXXFLAGS_GCC_OPTION([-Wextra])
      dnl The -ansi switch sets __STRICT_ANSI__ which disables some
      dnl useful function declarations in MinGW and Cygwin headers.
      dnl AX_CXXFLAGS_GCC_OPTION([-ansi])
      AX_CXXFLAGS_GCC_OPTION([-pedantic])
      AX_CXXFLAGS_GCC_OPTION([-Wstrict-aliasing])
      AX_CXXFLAGS_GCC_OPTION([-Wstrict-overflow])
      dnl AX_CXXFLAGS_GCC_OPTION([-Weffc++])
      AX_CXXFLAGS_GCC_OPTION([-Woverloaded-virtual])
      AS_CASE(["$target_os"],
        dnl Disable -Wold-style-cast for MinGW as it generates too
        dnl much noise there.
        [mingw*], [],
        [AX_CXXFLAGS_GCC_OPTION([-Wold-style-cast])])
      dnl AX_CXXFLAGS_GCC_OPTION([-Wabi])
      AX_CXXFLAGS_GCC_OPTION([-Wc++0x-compat])
      AX_CXXFLAGS_GCC_OPTION([-Wc++11-compat])
      dnl AX_CXXFLAGS_GCC_OPTION([-Wconversion])
      AX_CXXFLAGS_GCC_OPTION([-Wundef])
      AX_CXXFLAGS_GCC_OPTION([-Wshadow])
      AX_CXXFLAGS_GCC_OPTION([-Wformat])
      AX_CXXFLAGS_GCC_OPTION([-Wsuggest-attribute=format])
      dnl AX_CXXFLAGS_GCC_OPTION([-Wsuggest-attribute=pure])
      dnl AX_CXXFLAGS_GCC_OPTION([-Wsuggest-attribute=const])
      AX_CXXFLAGS_GCC_OPTION([-Wsuggest-attribute=noreturn])
      AX_CXXFLAGS_GCC_OPTION([-Wno-variadic-macros])])

   AS_IF([test "x$enable_debugging" = "xyes"],
     [AX_CXXFLAGS_GCC_OPTION([-g3])
      AX_CXXFLAGS_GCC_OPTION([-fkeep-inline-functions])
      AX_CXXFLAGS_GCC_OPTION([-fstack-check])
      AX_CXXFLAGS_GCC_OPTION([-fstack-protector])
      dnl -Wstack-protector results into not too interesting warnings.
      dnl AX_CXXFLAGS_GCC_OPTION([-Wstack-protector])
      AX_CXXFLAGS_GCC_OPTION([-ftrapv])],
     [AC_REQUIRE([AC_PROG_GREP])
      AS_IF([AS_ECHO_N(["$CXXFLAGS"]) dnl
             | $GREP -e ['\(^\|[[:space:]]\)-O\([^[:space:]]*\([[:space:]]\|$\)\)'] >/dev/null],
        [],
        [AX_CXXFLAGS_GCC_OPTION([-O2])])])

   dnl Try -pg profiling option.
   AS_IF([test "x$enable_profiling" = "xyes"],
     [AX_CXXFLAGS_GCC_OPTION([-pg],[],
        [LOG4CPLUS_PROFILING_LDFLAGS="-pg"
         LOG4CPLUS_PROFILING_CXXFLAGS="-pg"])
      AX_CXXFLAGS_GCC_OPTION([-g3])])

   dnl The --enable-auto-import and --enable-runtime-pseudo-reloc
   dnl options are required for log4cplus to work when compiled with
   dnl Cygwin's GCC 4.3.x.
   AS_CASE(["$target_os"],
     [cygwin*|mingw*],
     [LDFLAGS="${LDFLAGS} -Wl,--enable-auto-import"
      LDFLAGS="${LDFLAGS} -Wl,--enable-runtime-pseudo-reloc"])],

  [sun],
  [AS_IF([test "x$enable_warnings" = "xyes"],
     [dnl This test is disabled. See comment before
      dnl AX_CXXFLAGS_WARN_ALL invocation.
      dnl AX_CXXFLAGS_SUN_OPTION([-v])
      AX_CXXFLAGS_SUN_OPTION([+w])])

   dnl Sun CC does support -g flag.
   AS_IF([test "x$enable_debugging" = "xyes"],
     [AX_CXXFLAGS_SUN_OPTION([-g])])

   dnl Try -pg profiling option.
   AS_IF([test "x$enable_profiling" = "xyes"],
     [AX_CXXFLAGS_SUN_OPTION([-pg],[],
        [LOG4CPLUS_PROFILING_LDFLAGS="-pg"
         LOG4CPLUS_PROFILING_CXXFLAGS="-pg"])
      AX_CXXFLAGS_SUN_OPTION([-g])])

   dnl This is here for compilation with _GNU_SOURCE=1 on Linux. Their
   dnl headers then use zero length arrays which are not supported by
   dnl C++ itself.
   AX_CXXFLAGS_SUN_OPTION([-features=zla])

   dnl This is for __func__ symbol. However it is disabled as it would
   dnl force user code to use the switch as well.
   dnl AX_CXXFLAGS_SUN_OPTION([-features=extensions])

   dnl log4cplus does not work with the default C++ library
   dnl implementation from Sun everywhere. E.g., on Linux it seems to
   dnl be missing std::FILE, etc., in the std:: namespace but on
   dnl Solaris it works. Thus we use the available STLport that they
   dnl also ship unless the user specifies own
   dnl -library=(stlport4|stdcxx4|Cstd) switch.

   AC_REQUIRE([AC_PROG_GREP])
   AS_IF([AS_ECHO_N(["$CXXFLAGS"]) dnl
          | $GREP -e '-library=\(stlport4\|stdcxx4\|Cstd\)' >/dev/null],
     [],
     [AX_CXXFLAGS_SUN_OPTION([-library=stlport4])])

   dnl Adding -library=Crun is always necessary.
   AX_CXXFLAGS_SUN_OPTION([-library=Crun])])

AX_DECLSPEC([LOG4CPLUS_DECLSPEC])
AS_IF([test "x$ac_cv_declspec" = "xyes" dnl
  || test "x$ac_cv__attribute__visibility" = "xyes" dnl
  || test "x$ac_cv__global" = "xyes"],
  [AS_CASE([$ax_cv_cxx_compiler_vendor],
    [gnu|clang],
    [AX_CXXFLAGS_GCC_OPTION([-fvisibility=hidden])],

    [sun],
    [AX_CXXFLAGS_SUN_OPTION([-xldscope=hidden])])])

AX_C99_VARIADIC_MACROS
AH_TEMPLATE([LOG4CPLUS_HAVE_C99_VARIADIC_MACROS])
AS_IF([test "x$ac_cv_c99_variadic_macros" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_C99_VARIADIC_MACROS])])

AX_GNU_VARIADIC_MACROS
AH_TEMPLATE([LOG4CPLUS_HAVE_GNU_VARIADIC_MACROS])
AS_IF([test "x$ac_cv_gnu_variadic_macros" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_GNU_VARIADIC_MACROS])])

AX___FUNCTION___MACRO
AH_TEMPLATE([LOG4CPLUS_HAVE_FUNCTION_MACRO])
AS_IF([test "x$ac_cv_have___function___macro" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_FUNCTION_MACRO])])

AX___PRETTY_FUNCTION___MACRO
AH_TEMPLATE([LOG4CPLUS_HAVE_PRETTY_FUNCTION_MACRO])
AS_IF([test "x$ac_cv_have___pretty_function___macro" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_PRETTY_FUNCTION_MACRO])])

AX___FUNC___SYMBOL
AH_TEMPLATE([LOG4CPLUS_HAVE_FUNC_SYMBOL])
AS_IF([test "x$ac_cv_have___func___symbol" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_FUNC_SYMBOL])])


dnl Checks for libraries.

AC_SEARCH_LIBS([strerror], [cposix])
AC_SEARCH_LIBS([nanosleep], [rt])
AC_SEARCH_LIBS([clock_nanosleep], [rt posix4])
AC_SEARCH_LIBS([clock_gettime], [rt posix4])
dnl On some systems libcompat exists only as a static library which
dnl breaks compilation of shared library log4cplus.
dnl AC_SEARCH_LIBS([ftime], [compat])
AC_SEARCH_LIBS([gethostbyname], [nsl])
AC_SEARCH_LIBS([setsockopt], [socket])
AS_IF([test "x$with_iconv" = "xyes"],
  [AC_SEARCH_LIBS([iconv_open], [iconv], [],
     [AC_SEARCH_LIBS([libiconv_open], [iconv])])])

dnl Windows/MinGW specific.

AC_LANG_PUSH([C])
AC_HAVE_LIBRARY([kernel32])
AC_HAVE_LIBRARY([advapi32])
AC_HAVE_LIBRARY([ws2_32])
AC_LANG_POP([C])

dnl Checks for header files.

AC_HEADER_STDC

LOG4CPLUS_CHECK_HEADER([sys/types.h], [LOG4CPLUS_HAVE_SYS_TYPES_H])
LOG4CPLUS_CHECK_HEADER([sys/socket.h], [LOG4CPLUS_HAVE_SYS_SOCKET_H])
LOG4CPLUS_CHECK_HEADER([sys/time.h], [LOG4CPLUS_HAVE_SYS_TIME_H])
LOG4CPLUS_CHECK_HEADER([sys/timeb.h], [LOG4CPLUS_HAVE_SYS_TIMEB_H])
LOG4CPLUS_CHECK_HEADER([sys/stat.h], [LOG4CPLUS_HAVE_SYS_STAT_H])
LOG4CPLUS_CHECK_HEADER([sys/syscall.h], [LOG4CPLUS_HAVE_SYS_SYSCALL_H])
LOG4CPLUS_CHECK_HEADER([sys/file.h], [LOG4CPLUS_HAVE_SYS_FILE_H])
LOG4CPLUS_CHECK_HEADER([syslog.h], [LOG4CPLUS_HAVE_SYSLOG_H])
LOG4CPLUS_CHECK_HEADER([arpa/inet.h], [LOG4CPLUS_HAVE_ARPA_INET_H])
LOG4CPLUS_CHECK_HEADER([netinet/in.h], [LOG4CPLUS_HAVE_NETINET_IN_H])
LOG4CPLUS_CHECK_HEADER([netinet/tcp.h], [LOG4CPLUS_HAVE_NETINET_TCP_H])
LOG4CPLUS_CHECK_HEADER([netdb.h], [LOG4CPLUS_HAVE_NETDB_H])
LOG4CPLUS_CHECK_HEADER([unistd.h], [LOG4CPLUS_HAVE_UNISTD_H])
LOG4CPLUS_CHECK_HEADER([fcntl.h], [LOG4CPLUS_HAVE_FCNTL_H])
LOG4CPLUS_CHECK_HEADER([stdio.h], [LOG4CPLUS_HAVE_STDIO_H])
LOG4CPLUS_CHECK_HEADER([stdarg.h], [LOG4CPLUS_HAVE_STDARG_H])
LOG4CPLUS_CHECK_HEADER([stdlib.h], [LOG4CPLUS_HAVE_STDLIB_H])
LOG4CPLUS_CHECK_HEADER([wchar.h], [LOG4CPLUS_HAVE_WCHAR_H])
LOG4CPLUS_CHECK_HEADER([time.h], [LOG4CPLUS_HAVE_TIME_H])
LOG4CPLUS_CHECK_HEADER([errno.h], [LOG4CPLUS_HAVE_ERRNO_H])
LOG4CPLUS_CHECK_HEADER([limits.h], [LOG4CPLUS_HAVE_LIMITS_H])
AS_IF([test "x$with_iconv" = "xyes"],
  [LOG4CPLUS_CHECK_HEADER([iconv.h], [LOG4CPLUS_HAVE_ICONV_H])])

dnl Check for the existance of type socklen_t.

AX_TYPE_SOCKLEN_T

dnl Check for single-threaded compilation

AH_TEMPLATE([LOG4CPLUS_USE_PTHREADS])
AC_ARG_ENABLE([threads],
  [AS_HELP_STRING([--enable-threads=yes/no],
    [Use this option to create a singled-threaded version of this library])],
  [LOG4CPLUS_CHECK_YESNO([${enableval}], [--enable-threads])],
  [enable_threads=yes])

AS_IF([test "x$enable_threads" = "xyes"],
dnl Multi threaded library.
  [AC_MSG_NOTICE([Creating a multi-threaded library.])
   AC_MSG_NOTICE([Threads support:])

   AS_VAR_APPEND([CPPFLAGS], [" -D_REENTRANT"])

   AS_CASE(["$target_os"],
     [mingw*], [],
     [AX_PTHREAD_CXX([],
       [AC_MSG_ERROR([Requested threads support but no threads were found.])])])

   AS_VAR_APPEND([CXXFLAGS], [" $PTHREAD_CXXFLAGS"])
   AS_VAR_APPEND([LIBS], [" $PTHREAD_LIBS"])

   dnl required on HP-UX
   AC_SEARCH_LIBS([sem_init], [rt])

   AS_CASE([$ax_cv_cxx_compiler_vendor],
     [gnu|clang],
     [dnl GCC, empty case to avoid false positive for -qtls check.
     ],
     [sun],
     [dnl Check for Sun's compiler's TLS option.
      AX_CXXFLAGS_SUN_OPTION([-xthreadvar])],
     [ibm],
     [dnl Check for IBM's compiler's TLS option.
      AX_CXXFLAGS_AIX_OPTION([-qtls])])

   AX__SYNC
   AH_TEMPLATE([LOG4CPLUS_HAVE___SYNC_ADD_AND_FETCH])
   AS_IF([test "x$ac_cv___sync_add_and_fetch" = "xyes"],
     [AC_DEFINE([LOG4CPLUS_HAVE___SYNC_ADD_AND_FETCH])])
   AH_TEMPLATE([LOG4CPLUS_HAVE___SYNC_SUB_AND_FETCH])
   AS_IF([test "x$ac_cv___sync_sub_and_fetch" = "xyes"],
     [AC_DEFINE([LOG4CPLUS_HAVE___SYNC_SUB_AND_FETCH])])
   AH_TEMPLATE([LOG4CPLUS_HAVE_CXX11_ATOMICS])
   AS_IF([test "x$ac_cv_cxx11_atomics" = "xyes"],
     [AC_DEFINE([LOG4CPLUS_HAVE_CXX11_ATOMICS])])

   AX_TLS_SUPPORT
   AH_TEMPLATE([LOG4CPLUS_HAVE_TLS_SUPPORT])
   AH_TEMPLATE([LOG4CPLUS_THREAD_LOCAL_VAR])
   AS_IF([test "x$ac_cv_declspec_thread" = "xyes"],
     [AC_DEFINE([LOG4CPLUS_HAVE_TLS_SUPPORT])
      AC_DEFINE([LOG4CPLUS_THREAD_LOCAL_VAR], [__declspec(thread)])],
     [AS_IF([test "x$ac_cv__thread_keyword" = "xyes"],
       [AC_DEFINE([LOG4CPLUS_HAVE_TLS_SUPPORT])
        AC_DEFINE([LOG4CPLUS_THREAD_LOCAL_VAR], [__thread])])])],

dnl Single threaded library.
  [AC_MSG_NOTICE([Creating a single-threaded library])
   AC_DEFINE([LOG4CPLUS_SINGLE_THREADED], [1],
     [Define if this is a single-threaded library.])])

AM_CONDITIONAL([MULTI_THREADED], [test "x$enable_threads" = "xyes"])

dnl Library functions checks are here because preprocessor symbols
dnl like _REENTRANT can influence availability of some functions.

dnl Checks for library functions.

LOG4CPLUS_CHECK_FUNCS([gmtime_r], [LOG4CPLUS_HAVE_GMTIME_R])
LOG4CPLUS_CHECK_FUNCS([localtime_r], [LOG4CPLUS_HAVE_LOCALTIME_R])
LOG4CPLUS_CHECK_FUNCS([gettimeofday], [LOG4CPLUS_HAVE_GETTIMEOFDAY])
LOG4CPLUS_CHECK_FUNCS([nanosleep], [LOG4CPLUS_HAVE_NANOSLEEP])
LOG4CPLUS_CHECK_FUNCS([clock_nanosleep], [LOG4CPLUS_HAVE_CLOCK_NANOSLEEP])
LOG4CPLUS_CHECK_FUNCS([clock_gettime], [LOG4CPLUS_HAVE_CLOCK_GETTIME])
LOG4CPLUS_CHECK_FUNCS([getpid], [LOG4CPLUS_HAVE_GETPID])
LOG4CPLUS_CHECK_FUNCS([ftime], [LOG4CPLUS_HAVE_FTIME])
LOG4CPLUS_CHECK_FUNCS([stat], [LOG4CPLUS_HAVE_STAT])
LOG4CPLUS_CHECK_FUNCS([lstat], [LOG4CPLUS_HAVE_LSTAT])
LOG4CPLUS_CHECK_FUNCS([fcntl], [LOG4CPLUS_HAVE_FCNTL])
LOG4CPLUS_CHECK_FUNCS([lockf], [LOG4CPLUS_HAVE_LOCKF])
LOG4CPLUS_CHECK_FUNCS([flock], [LOG4CPLUS_HAVE_FLOCK])
LOG4CPLUS_CHECK_FUNCS([htons], [LOG4CPLUS_HAVE_HTONS])
LOG4CPLUS_CHECK_FUNCS([ntohs], [LOG4CPLUS_HAVE_NTOHS])
LOG4CPLUS_CHECK_FUNCS([htonl], [LOG4CPLUS_HAVE_HTONL])
LOG4CPLUS_CHECK_FUNCS([ntohl], [LOG4CPLUS_HAVE_NTOHL])
LOG4CPLUS_CHECK_FUNCS([mbstowcs], [LOG4CPLUS_HAVE_MBSTOWCS])
LOG4CPLUS_CHECK_FUNCS([wcstombs], [LOG4CPLUS_HAVE_WCSTOMBS])
AS_IF([test "x$with_iconv" = "xyes"],
  [LOG4CPLUS_CHECK_FUNCS([iconv_open], [LOG4CPLUS_HAVE_ICONV_OPEN])
   LOG4CPLUS_CHECK_FUNCS([iconv_close], [LOG4CPLUS_HAVE_ICONV_CLOSE])
   LOG4CPLUS_CHECK_FUNCS([iconv], [LOG4CPLUS_HAVE_ICONV])
   LOG4CPLUS_CHECK_FUNCS([libiconv_open], [LOG4CPLUS_HAVE_ICONV_OPEN])
   LOG4CPLUS_CHECK_FUNCS([libiconv_close], [LOG4CPLUS_HAVE_ICONV_CLOSE])
   LOG4CPLUS_CHECK_FUNCS([libiconv], [LOG4CPLUS_HAVE_ICONV])])

dnl Various functions used by snprintf.cxx.

LOG4CPLUS_CHECK_FUNCS([vsnprintf], [LOG4CPLUS_HAVE_VSNPRINTF])
LOG4CPLUS_CHECK_FUNCS([_vsnprintf], [LOG4CPLUS_HAVE__VSNPRINTF])
LOG4CPLUS_CHECK_FUNCS([vsprintf_s], [LOG4CPLUS_HAVE_VSPRINTF_S])
LOG4CPLUS_CHECK_FUNCS([vswprintf_s], [LOG4CPLUS_HAVE_VSWPRINTF_S])
LOG4CPLUS_CHECK_FUNCS([vfprintf_s], [LOG4CPLUS_HAVE_VFPRINTF_S])
LOG4CPLUS_CHECK_FUNCS([vfwprintf_s], [LOG4CPLUS_HAVE_VFWPRINTF_S])
LOG4CPLUS_CHECK_FUNCS([_vsnprintf_s], [LOG4CPLUS_HAVE__VSNPRINTF_S])
LOG4CPLUS_CHECK_FUNCS([_vsnwprintf_s], [LOG4CPLUS_HAVE__VSNWPRINTF_S])

dnl These should not be necessary, they ought to be in std:: namespace
dnl via the <cstdio>, <cwchar> headers.

dnl AH_TEMPLATE([LOG4CPLUS_HAVE_VSPRINTF])
dnl AC_CHECK_FUNCS([vsprintf], [AC_DEFINE([LOG4CPLUS_HAVE_VSPRINTF])])

dnl AH_TEMPLATE([LOG4CPLUS_HAVE_VFPRINTF])
dnl AC_CHECK_FUNCS([vfprintf], [AC_DEFINE([LOG4CPLUS_HAVE_VFPRINTF])])

dnl AH_TEMPLATE([LOG4CPLUS_HAVE_VSWPRINTF])
dnl AC_CHECK_FUNCS([vswprintf], [AC_DEFINE([LOG4CPLUS_HAVE_VSWPRINTF])])

AH_TEMPLATE([LOG4CPLUS_HAVE_ENAMETOOLONG])
AC_CACHE_CHECK([for ENAMETOOLONG], [ax_cv_have_enametoolong],
  [AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([#include <errno.h>], [int value = ENAMETOOLONG;])],
    [ax_cv_have_enametoolong=yes],
    [ax_cv_have_enametoolong=no])])
AS_IF([test "x$ax_cv_have_enametoolong" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_ENAMETOOLONG])])

AH_TEMPLATE([LOG4CPLUS_HAVE_GETADDRINFO])
AX_GETADDRINFO
AS_IF([test "x$ax_cv_have_getaddrinfo" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_GETADDRINFO])])

AH_TEMPLATE([LOG4CPLUS_HAVE_GETHOSTBYNAME_R])
AX_GETHOSTBYNAME_R
AS_IF([test "x$ax_cv_have_gethostbyname_r" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_GETHOSTBYNAME_R])])

AH_TEMPLATE([LOG4CPLUS_HAVE_GETTID])
AC_CACHE_CHECK([for gettid], [ax_cv_have_gettid],
  [AC_COMPILE_IFELSE(
    [AC_LANG_PROGRAM([#include <sys/types.h>
#include <sys/syscall.h>
#include <unistd.h>], [int rv = syscall(SYS_gettid);])],
    [ax_cv_have_gettid=yes],
    [ax_cv_have_gettid=no])])
AS_IF([test "x$ax_cv_have_gettid" = "xyes"],
  [AC_DEFINE([LOG4CPLUS_HAVE_GETTID])])

dnl Qt4 setup using pkg-config.

PKG_PROG_PKG_CONFIG

AC_ARG_WITH([qt],
  [AS_HELP_STRING([--with-qt],
    [Build liblog4cplusqt4debugappender.])],
  [LOG4CPLUS_CHECK_YESNO([${withval}], [--with-qt])],
  [with_qt=no])

AS_IF([test "x$with_qt" = "xyes"],
  [PKG_CHECK_MODULES([QT], [QtCore >= 4.0.0])],
  [QT_CFLAGS=
   QT_LIBS=])
AM_CONDITIONAL([QT], [test "x$with_qt" = "xyes"])
AC_SUBST([QT_CFLAGS])
AC_SUBST([QT_LIBS])

dnl Libtool setup.
dnl Must be latest to catch rpath compiled in by changes made during
dnl checks before.

LT_PREREQ([2.4.2])
LT_INIT([win32-dll])

AH_TOP([#ifndef LOG4CPLUS_CONFIG_H])
AH_TOP([#define LOG4CPLUS_CONFIG_H])
AH_BOTTOM([#endif // LOG4CPLUS_CONFIG_H])

AC_CONFIG_HEADERS([include/log4cplus/config.h])
AC_CONFIG_HEADERS([include/log4cplus/config/defines.hxx])
AC_CONFIG_FILES([Makefile
           include/Makefile
           src/Makefile
           loggingserver/Makefile
           qt4debugappender/Makefile
           tests/Makefile
           tests/appender_test/Makefile
           tests/configandwatch_test/Makefile
           tests/customloglevel_test/Makefile
           tests/fileappender_test/Makefile
           tests/filter_test/Makefile
           tests/hierarchy_test/Makefile
           tests/loglog_test/Makefile
           tests/ndc_test/Makefile
           tests/ostream_test/Makefile
           tests/patternlayout_test/Makefile
           tests/performance_test/Makefile
           tests/priority_test/Makefile
           tests/propertyconfig_test/Makefile
           tests/socket_test/Makefile
           tests/thread_test/Makefile
           tests/timeformat_test/Makefile])

AC_SUBST([LOG4CPLUS_PROFILING_LDFLAGS])
AC_SUBST([LOG4CPLUS_PROFILING_CXXFLAGS])

AC_OUTPUT([log4cplus.pc])