AC_INIT(cairomm/cairomm.h)

#release versioning
GENERIC_MAJOR_VERSION=1
GENERIC_MINOR_VERSION=2
GENERIC_MICRO_VERSION=4
GENERIC_VERSION=$GENERIC_MAJOR_VERSION.$GENERIC_MINOR_VERSION.$GENERIC_MICRO_VERSION
AC_SUBST(GENERIC_MAJOR_VERSION)
AC_SUBST(GENERIC_MINOR_VERSION)
AC_SUBST(GENERIC_MICRO_VERSION)
AC_SUBST(GENERIC_VERSION)

#shared library versioning
GENERIC_LIBRARY_VERSION=1:0:0
#                       | | |
#                +------+ | +---+
#                |        |     |
#             current:revision:age
#                |        |     |
#                |        |     +- increment if interfaces have been added
#                |        |        set to zero if interfaces have been removed
#                                  or changed
#                |        +- increment if source code has changed
#                |           set to zero if current is incremented
#                +- increment if interfaces have been added, removed or changed
AC_SUBST(GENERIC_LIBRARY_VERSION)


VERSION=$GENERIC_VERSION


AM_INIT_AUTOMAKE(cairomm, $GENERIC_VERSION)

AC_PROG_CXX
AC_PROG_CXXCPP
AC_LANG_CPLUSPLUS
AC_PROG_INSTALL
AC_LIBTOOL_WIN32_DLL
AM_PROG_LIBTOOL

dnl Used for enabling the "-no-undefined" and "-export-all-symbols" flags
dnl while generating DLLs. Borrowed from the official gtk+-2 configure.in
AC_MSG_CHECKING([for some Win32 platform])
case "$host" in
  *-*-mingw*|*-*-cygwin*)
    platform_win32=yes
    ;;
  *)
    platform_win32=no
    ;;
esac
AC_MSG_RESULT([$platform_win32])
AM_CONDITIONAL(PLATFORM_WIN32, test "$platform_win32" = "yes")

# Ensure MSVC-compatible struct packing convention is used when
# compiling for Win32 with gcc.
# What flag to depends on gcc version: gcc3 uses "-mms-bitfields", while
# gcc2 uses "-fnative-struct".
if test x"$platform_win32" = xyes; then
  if test x"$GCC" = xyes; then
    msnative_struct=''
    AC_MSG_CHECKING([how to get MSVC-compatible struct packing])
    if test -z "$ac_cv_prog_CC"; then
      our_gcc="$CC"
    else
      our_gcc="$ac_cv_prog_CC"
    fi
    case `$our_gcc --version | sed -e 's,\..*,.,' -e q` in
      2.)
        if $our_gcc -v --help 2>/dev/null | grep fnative-struct >/dev/null; then
          msnative_struct='-fnative-struct'
        fi
        ;;
      *)
        if $our_gcc -v --help 2>/dev/null | grep ms-bitfields >/dev/null; then
          msnative_struct='-mms-bitfields'
        fi
        ;;
    esac
    if test x"$msnative_struct" = x ; then
      AC_MSG_RESULT([no way])
      AC_MSG_WARN([produced libraries might be incompatible with MSVC-compiled code])
    else
      CXXFLAGS="$CXXFLAGS $msnative_struct"
      AC_MSG_RESULT([${msnative_struct}])
    fi
  fi
fi

AC_CHECK_HEADERS(string list map, , exit)

PKG_CHECK_MODULES(CAIROMM, cairo >= 1.2.0)


dnl Check whether to build the documentation directory
DOCS_SUBDIR="" dnl set DOCS_SUBDIR initially blank
AC_ARG_ENABLE(docs, [AC_HELP_STRING([--enable-docs],
              [build the included docs [default=yes]])],,
              [enable_docs=yes])
if test "x$enable_docs" = "xyes"; then
  dnl check if doxygen is installed
  AC_CHECK_PROGS(DOXYGEN, [doxygen], no)
  if test x$DOXYGEN = xno; then
    AC_MSG_WARN([Doxygen not found, documentation will not be rebuilt])
  else
    dnl check if graphviz / dot is installed (used by doxygen)
    AC_CHECK_PROGS(DOT, [dot], no)
    if test x$DOT = xno; then
      AC_MSG_WARN([graphviz / dot not found, documentation graphs will not be rebuilt])
    fi
  fi

  DOCS_SUBDIR="docs"
  AC_CONFIG_FILES(
    docs/Makefile
    docs/reference/Makefile
    docs/reference/Doxyfile
  )
fi
AC_SUBST(DOCS_SUBDIR)


AC_CONFIG_FILES(
  Makefile
  cairomm/Makefile

  examples/Makefile
  examples/png_file/Makefile
  examples/pdf-surface/Makefile
  examples/ps-surface/Makefile
  examples/svg-surface/Makefile
  examples/text-rotate/Makefile

  cairomm-1.0.pc
)

AC_CONFIG_FILES([
  MSVC/Makefile
    MSVC/gendef/Makefile
    MSVC/cairomm/Makefile
    MSVC/cairomm/cairomm.rc
    MSVC/examples/Makefile
      MSVC/examples/pdf-surface/Makefile
      MSVC/examples/png_file/Makefile
      MSVC/examples/ps-surface/Makefile
      MSVC/examples/svg-surface/Makefile
      MSVC/examples/text-rotate/Makefile
])

AC_OUTPUT()