#

# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

#

# This code is free software; you can redistribute it and/or modify it

# under the terms of the GNU General Public License version 2 only, as

# published by the Free Software Foundation.  Oracle designates this

# particular file as subject to the "Classpath" exception as provided

# by Oracle in the LICENSE file that accompanied this code.

#

# This code is distributed in the hope that it will be useful, but WITHOUT

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

# version 2 for more details (a copy is included in the LICENSE file that

# accompanied this code).

#

# You should have received a copy of the GNU General Public License version

# 2 along with this work; if not, write to the Free Software Foundation,

# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

#

# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

# or visit www.oracle.com if you need additional information or have any

# questions.

#

AC_DEFUN_ONCE([LIB_SETUP_INIT],

[

###############################################################################

#

# OS specific settings that we never will need to probe.

#

if test "x$OPENJDK_TARGET_OS" = xlinux; then

    AC_MSG_CHECKING([what is not needed on Linux?])

    PULSE_NOT_NEEDED=yes

    AC_MSG_RESULT([pulse])

fi

if test "x$OPENJDK_TARGET_OS" = xsolaris; then

    AC_MSG_CHECKING([what is not needed on Solaris?])

    ALSA_NOT_NEEDED=yes

    PULSE_NOT_NEEDED=yes

    AC_MSG_RESULT([alsa pulse])

fi

if test "x$OPENJDK_TARGET_OS" = xwindows; then

    AC_MSG_CHECKING([what is not needed on Windows?])

    CUPS_NOT_NEEDED=yes    

    ALSA_NOT_NEEDED=yes

    PULSE_NOT_NEEDED=yes

    X11_NOT_NEEDED=yes

    AC_MSG_RESULT([alsa cups pulse x11])

fi

if test "x$OPENJDK_TARGET_OS" = xmacosx; then

    AC_MSG_CHECKING([what is not needed on MacOSX?])

    ALSA_NOT_NEEDED=yes

    PULSE_NOT_NEEDED=yes

    X11_NOT_NEEDED=yes

    FREETYPE2_NOT_NEEDED=yes    

    # If the java runtime framework is disabled, then we need X11.

    # This will be adjusted below.

    AC_MSG_RESULT([alsa pulse x11])

fi

if test "x$OPENJDK_TARGET_OS" = xbsd; then

    AC_MSG_CHECKING([what is not needed on bsd?])

    ALSA_NOT_NEEDED=yes

    AC_MSG_RESULT([alsa])    

fi

if test "x$OPENJDK" = "xfalse"; then

    FREETYPE2_NOT_NEEDED=yes

fi

if test "x$SUPPORT_HEADFUL" = xno; then

    X11_NOT_NEEDED=yes

fi

###############################################################################

#

# Check for MacOSX support for OpenJDK. If this exists, try to build a JVM

# that uses this API. 

#

AC_ARG_ENABLE([macosx-runtime-support], [AS_HELP_STRING([--disable-macosx-runtime-support],

	[disable the use of MacOSX Java runtime support framework @<:@enabled@:>@])],

	[MACOSX_RUNTIME_SUPPORT="${enableval}"],[MACOSX_RUNTIME_SUPPORT="no"])

USE_MACOSX_RUNTIME_SUPPORT=no

AC_MSG_CHECKING([for explicit Java runtime support in the OS])

if test -f /System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/Headers/JavaRuntimeSupport.h; then

    if test "x$MACOSX_RUNTIME_SUPPORT" != xno; then

        MACOSX_RUNTIME_SUPPORT=yes

        USE_MACOSX_RUNTIME_SUPPORT=yes

        AC_MSG_RESULT([yes, does not need alsa freetype2 pulse and X11])

    else

        AC_MSG_RESULT([yes, but explicitly disabled.])

    fi

else

    AC_MSG_RESULT([no])

fi

if test "x$OPENJDK_TARGET_OS" = xmacosx && test "x$USE_MACOSX_RUNTIME_SUPPORT" = xno; then

    AC_MSG_CHECKING([what is not needed on an X11 build on MacOSX?])

    X11_NOT_NEEDED=

    FREETYPE2_NOT_NEEDED=

    AC_MSG_RESULT([alsa pulse])

fi

])

AC_DEFUN_ONCE([LIB_SETUP_X11],

[

###############################################################################

#

# Check for X Windows

#

# Check if the user has specified sysroot, but not --x-includes or --x-libraries.

# Make a simple check for the libraries at the sysroot, and setup --x-includes and

# --x-libraries for the sysroot, if that seems to be correct.

if test "x$SYS_ROOT" != "x/"; then

  if test "x$x_includes" = xNONE; then

    if test -f "$SYS_ROOT/usr/X11R6/include/X11/Xlib.h"; then

      x_includes="$SYS_ROOT/usr/X11R6/include"

    fi

  fi

  if test "x$x_libraries" = xNONE; then

    if test -f "$SYS_ROOT/usr/X11R6/lib/libX11.so"; then

      x_libraries="$SYS_ROOT/usr/X11R6/lib"

    fi

  fi

fi

# Now let autoconf do it's magic

AC_PATH_X

AC_PATH_XTRA

# AC_PATH_XTRA creates X_LIBS and sometimes adds -R flags. When cross compiling

# this doesn't make sense so we remove it.

if test "x$COMPILE_TYPE" = xcross; then

  X_LIBS=`$ECHO $X_LIBS | $SED 's/-R \{0,1\}[[^ ]]*//g'`

fi

if test "x$no_x" = xyes && test "x$X11_NOT_NEEDED" != xyes; then 

    HELP_MSG_MISSING_DEPENDENCY([x11])

    AC_MSG_ERROR([Could not find X11 libraries. $HELP_MSG])

fi

# Some of the old makefiles require a setting of OPENWIN_HOME

# Since the X11R6 directory has disappeared on later Linuxes,

# we need to probe for it.

if test "x$OPENJDK_TARGET_OS" = xlinux; then

    if test -d "$SYS_ROOT/usr/X11R6"; then

        OPENWIN_HOME="$SYS_ROOT/usr/X11R6"

    fi

    if test -d "$SYS_ROOT/usr/include/X11"; then

        OPENWIN_HOME="$SYS_ROOT/usr"

    fi

fi

if test "x$OPENJDK_TARGET_OS" = xsolaris; then

    OPENWIN_HOME="/usr/openwin"

fi

AC_SUBST(OPENWIN_HOME)

#

# Weird Sol10 something check...TODO change to try compile

#

if test "x${OPENJDK_TARGET_OS}" = xsolaris; then

  if test "`uname -r`" = "5.10"; then

     if test "`${EGREP} -c XLinearGradient ${OPENWIN_HOME}/share/include/X11/extensions/Xrender.h`" = "0"; then

     	X_CFLAGS="${X_CFLAGS} -DSOLARIS10_NO_XRENDER_STRUCTS"

     fi

  fi

fi

AC_LANG_PUSH(C)

OLD_CFLAGS="$CFLAGS"

CFLAGS="$CFLAGS $X_CFLAGS"

# Need to include Xlib.h and Xutil.h to avoid "present but cannot be compiled" warnings on Solaris 10

AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h],

                 [X11_A_OK=yes],

                 [X11_A_OK=no],

                 [ # include <X11/Xlib.h>

                   # include <X11/Xutil.h>

                 ])

CFLAGS="$OLD_CFLAGS"

AC_LANG_POP(C)

if test "x$X11_A_OK" = xno && test "x$X11_NOT_NEEDED" != xyes; then 

    HELP_MSG_MISSING_DEPENDENCY([x11])

    AC_MSG_ERROR([Could not find all X11 headers (shape.h Xrender.h XTest.h). $HELP_MSG])

fi

AC_SUBST(X_CFLAGS)

AC_SUBST(X_LIBS)

])

AC_DEFUN_ONCE([LIB_SETUP_CUPS],

[

###############################################################################

#

# The common unix printing system cups is used to print from java.

#

AC_ARG_WITH(cups, [AS_HELP_STRING([--with-cups],

    [specify prefix directory for the cups package

	 (expecting the headers under PATH/include)])])

AC_ARG_WITH(cups-include, [AS_HELP_STRING([--with-cups-include],

	[specify directory for the cups include files])])

if test "x$CUPS_NOT_NEEDED" = xyes; then

	if test "x${with_cups}" != x || test "x${with_cups_include}" != x; then

		AC_MSG_WARN([cups not used, so --with-cups is ignored])

	fi

	CUPS_CFLAGS=

else

	CUPS_FOUND=no

	if test "x${with_cups}" = xno || test "x${with_cups_include}" = xno; then

	    AC_MSG_ERROR([It is not possible to disable the use of cups. Remove the --without-cups option.])

	fi

	if test "x${with_cups}" != x; then

	    CUPS_CFLAGS="-I${with_cups}/include"

	    CUPS_FOUND=yes

	fi

	if test "x${with_cups_include}" != x; then

	    CUPS_CFLAGS="-I${with_cups_include}"

	    CUPS_FOUND=yes

	fi

	if test "x$CUPS_FOUND" = xno; then

	    BDEPS_CHECK_MODULE(CUPS, cups, xxx, [CUPS_FOUND=yes])

	fi

	if test "x$CUPS_FOUND" = xno; then

	    # Are the cups headers installed in the default /usr/include location?

	    AC_CHECK_HEADERS([cups/cups.h cups/ppd.h],

	                     [CUPS_FOUND=yes

	                      CUPS_CFLAGS=

	                      DEFAULT_CUPS=yes])

	fi

	if test "x$CUPS_FOUND" = xno; then

	    # Getting nervous now? Lets poke around for standard Solaris third-party

	    # package installation locations.

	    AC_MSG_CHECKING([for cups headers])

	    if test -s /opt/sfw/cups/include/cups/cups.h; then

	       # An SFW package seems to be installed!

	       CUPS_FOUND=yes

	       CUPS_CFLAGS="-I/opt/sfw/cups/include"

	    elif test -s /opt/csw/include/cups/cups.h; then

	       # A CSW package seems to be installed!

	       CUPS_FOUND=yes

	       CUPS_CFLAGS="-I/opt/csw/include"

	    fi

	    AC_MSG_RESULT([$CUPS_FOUND])

	fi

	if test "x$CUPS_FOUND" = xno; then 

	    HELP_MSG_MISSING_DEPENDENCY([cups])

	    AC_MSG_ERROR([Could not find cups! $HELP_MSG ])

	fi

fi

AC_SUBST(CUPS_CFLAGS)

])

AC_DEFUN_ONCE([LIB_SETUP_FREETYPE],

[

###############################################################################

#

# The ubiquitous freetype2 library is used to render fonts.

#

AC_ARG_WITH(freetype, [AS_HELP_STRING([--with-freetype],

	[specify prefix directory for the freetype2 package

     (expecting the libraries under PATH/lib and the headers under PATH/include)])])

# If we are using the OS installed system lib for freetype, then we do not need to copy it to the build tree

USING_SYSTEM_FT_LIB=false

if test "x$FREETYPE2_NOT_NEEDED" = xyes; then

	if test "x$with_freetype" != x || test "x$with_freetype_include" != x || test "x$with_freetype_lib" != x; then

		AC_MSG_WARN([freetype not used, so --with-freetype is ignored])

	fi

	FREETYPE2_CFLAGS=

	FREETYPE2_LIBS=

        FREETYPE2_LIB_PATH=

else

	FREETYPE2_FOUND=no

	if test "x$with_freetype" != x; then

            BASIC_FIXUP_PATH(with_freetype)

	    FREETYPE2_LIBS="-L$with_freetype/lib -lfreetype"

            FREETYPE2_LIB_PATH="$with_freetype/lib"

            if test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64 && test -d "$with_freetype/lib/amd64"; then

                FREETYPE2_LIBS="-L$with_freetype/lib/amd64 -lfreetype"

                FREETYPE2_LIB_PATH="$with_freetype/lib/amd64"

            fi

            if test "x$OPENJDK_TARGET_OS" = xwindows; then

                FREETYPE2_LIBS="$with_freetype/lib/freetype.lib"

            fi

	    FREETYPE2_CFLAGS="-I$with_freetype/include"

            if test -s $with_freetype/include/ft2build.h && test -d $with_freetype/include/freetype2/freetype; then

                FREETYPE2_CFLAGS="-I$with_freetype/include/freetype2 -I$with_freetype/include"

            fi

 	    FREETYPE2_FOUND=yes

   	    if test "x$FREETYPE2_FOUND" = xyes; then

	        # Verify that the directories exist 

                if ! test -d "$with_freetype/lib" || ! test -d "$with_freetype/include"; then

		   AC_MSG_ERROR([Could not find the expected directories $with_freetype/lib and $with_freetype/include])

		fi

	        # List the contents of the lib.

		FREETYPELIB=`ls $with_freetype/lib/libfreetype.so $with_freetype/lib/freetype.dll 2> /dev/null`

                if test "x$FREETYPELIB" = x; then

		   AC_MSG_ERROR([Could not find libfreetype.so nor freetype.dll in $with_freetype/lib])

		fi

	        # Check one h-file

                if ! test -s "$with_freetype/include/ft2build.h"; then

		   AC_MSG_ERROR([Could not find $with_freetype/include/ft2build.h])

		fi

            fi

        fi

	if test "x$FREETYPE2_FOUND" = xno; then

	    BDEPS_CHECK_MODULE(FREETYPE2, freetype2, xxx, [FREETYPE2_FOUND=yes], [FREETYPE2_FOUND=no])

            USING_SYSTEM_FT_LIB=true

	fi

	if test "x$FREETYPE2_FOUND" = xno && test "x$OPENJDK_TARGET_OS" = xwindows; then

            FREETYPELOCATION="$PROGRAMFILES/GnuWin32"

            BASIC_FIXUP_PATH(FREETYPELOCATION)

	    AC_MSG_CHECKING([for freetype in some standard windows locations])

	    if test -s "$FREETYPELOCATION/include/ft2build.h" && test -d "$FREETYPELOCATION/include/freetype2/freetype"; then

	        FREETYPE2_CFLAGS="-I$FREETYPELOCATION/include/freetype2 -I$FREETYPELOCATION/include"

	        FREETYPE2_LIBS="$FREETYPELOCATION/lib/freetype.lib"

 	        FREETYPE2_LIB_PATH="$FREETYPELOCATION/lib"

                if ! test -s "$FREETYPE2_LIBS"; then

		   AC_MSG_ERROR([Could not find $FREETYPE2_LIBS])

		fi

                if ! test -s "$FREETYPE2_LIB_PATH/freetype.dll"; then

		   AC_MSG_ERROR([Could not find $FREETYPE2_LIB_PATH/freetype.dll])

		fi

                USING_SYSTEM_FT_LIB=true

                FREETYPE2_FOUND=yes

	    fi

	    AC_MSG_RESULT([$FREETYPE2_FOUND])         

        fi

	if test "x$FREETYPE2_FOUND" = xno; then

	    PKG_CHECK_MODULES(FREETYPE2, freetype2, [FREETYPE2_FOUND=yes], [FREETYPE2_FOUND=no])

            # On solaris, pkg_check adds -lz to freetype libs, which isn't necessary for us.

            FREETYPE2_LIBS=`$ECHO $FREETYPE2_LIBS | $SED 's/-lz//g'` 

            USING_SYSTEM_FT_LIB=true

            # 64-bit libs for Solaris x86 are installed in the amd64 subdirectory, change lib to lib/amd64

            if test "x$FREETYPE2_FOUND" = xyes && test "x$OPENJDK_TARGET_OS" = xsolaris && test "x$OPENJDK_TARGET_CPU" = xx86_64; then

              FREETYPE2_LIBS=`$ECHO $FREETYPE2_LIBS | $SED 's?/lib?/lib/amd64?g'`

            fi

	fi

	if test "x$FREETYPE2_FOUND" = xno; then

	    AC_MSG_CHECKING([for freetype in some standard locations])

	    if test -s /usr/X11/include/ft2build.h && test -d /usr/X11/include/freetype2/freetype; then

	        DEFAULT_FREETYPE_CFLAGS="-I/usr/X11/include/freetype2 -I/usr/X11/include"

	        DEFAULT_FREETYPE_LIBS="-L/usr/X11/lib -lfreetype"

	    fi

	    if test -s /usr/include/ft2build.h && test -d /usr/include/freetype2/freetype; then

	        DEFAULT_FREETYPE_CFLAGS="-I/usr/include/freetype2"

	        DEFAULT_FREETYPE_LIBS="-lfreetype"

	    fi

	    PREV_CXXCFLAGS="$CXXFLAGS"

	    PREV_LDFLAGS="$LDFLAGS"

	    CXXFLAGS="$CXXFLAGS $DEFAULT_FREETYPE_CFLAGS"

	    LDFLAGS="$LDFLAGS $DEFAULT_FREETYPE_LIBS"

	    AC_LINK_IFELSE([AC_LANG_SOURCE([[#include<ft2build.h>

	                    #include FT_FREETYPE_H 

	                   int main() { return 0; }

	                  ]])],

	                  [

	                      # Yes, the default cflags and libs did the trick.

	                      FREETYPE2_FOUND=yes

	                      FREETYPE2_CFLAGS="$DEFAULT_FREETYPE_CFLAGS"

	                      FREETYPE2_LIBS="$DEFAULT_FREETYPE_LIBS"

	                  ],

	                  [

	                      FREETYPE2_FOUND=no

	                  ])

            CXXCFLAGS="$PREV_CXXFLAGS"

	    LDFLAGS="$PREV_LDFLAGS"

	    AC_MSG_RESULT([$FREETYPE2_FOUND])

            USING_SYSTEM_FT_LIB=true

	fi

	if test "x$FREETYPE2_FOUND" = xno; then

		HELP_MSG_MISSING_DEPENDENCY([freetype2])

		AC_MSG_ERROR([Could not find freetype2! $HELP_MSG ])

	fi

        if test "x$OPENJDK_TARGET_OS" != xwindows; then

            # AC_CHECK_LIB does not support use of cl.exe

            PREV_LDFLAGS="$LDFLAGS"

            LDFLAGS="$FREETYPE2_LIBS"

            AC_CHECK_LIB(freetype, FT_Init_FreeType, 

                         FREETYPE2_FOUND=true, 

                         AC_MSG_ERROR([Could not find freetype2! $HELP_MSG ]))

            LDFLAGS="$PREV_LDFLAGS"

        fi

fi

AC_SUBST(USING_SYSTEM_FT_LIB)

AC_SUBST(FREETYPE2_LIB_PATH)

AC_SUBST(FREETYPE2_CFLAGS)

AC_SUBST(FREETYPE2_LIBS)

])

AC_DEFUN_ONCE([LIB_SETUP_ALSA],

[

###############################################################################

#

# Check for alsa headers and libraries. Used on Linux/GNU systems.

#

AC_ARG_WITH(alsa, [AS_HELP_STRING([--with-alsa],

	[specify prefix directory for the alsa package

	 (expecting the libraries under PATH/lib and the headers under PATH/include)])])

AC_ARG_WITH(alsa-include, [AS_HELP_STRING([--with-alsa-include],

	[specify directory for the alsa include files])])

AC_ARG_WITH(alsa-lib, [AS_HELP_STRING([--with-alsa-lib],

	[specify directory for the alsa library])])

if test "x$ALSA_NOT_NEEDED" = xyes; then

	if test "x${with_alsa}" != x || test "x${with_alsa_include}" != x || test "x${with_alsa_lib}" != x; then

		AC_MSG_WARN([alsa not used, so --with-alsa is ignored])

	fi

	ALSA_CFLAGS=

	ALSA_LIBS=

else

	ALSA_FOUND=no

	if test "x${with_alsa}" = xno || test "x${with_alsa_include}" = xno || test "x${with_alsa_lib}" = xno; then

	    AC_MSG_ERROR([It is not possible to disable the use of alsa. Remove the --without-alsa option.])

	fi

	if test "x${with_alsa}" != x; then

	    ALSA_LIBS="-L${with_alsa}/lib -lalsa"

	    ALSA_CFLAGS="-I${with_alsa}/include"

	    ALSA_FOUND=yes

	fi

	if test "x${with_alsa_include}" != x; then

	    ALSA_CFLAGS="-I${with_alsa_include}"

	    ALSA_FOUND=yes

	fi

	if test "x${with_alsa_lib}" != x; then

	    ALSA_LIBS="-L${with_alsa_lib} -lalsa"

	    ALSA_FOUND=yes

	fi

	if test "x$ALSA_FOUND" = xno; then

	    BDEPS_CHECK_MODULE(ALSA, alsa, xxx, [ALSA_FOUND=yes], [ALSA_FOUND=no])

	fi

	if test "x$ALSA_FOUND" = xno; then

	    PKG_CHECK_MODULES(ALSA, alsa, [ALSA_FOUND=yes], [ALSA_FOUND=no])

	fi

	if test "x$ALSA_FOUND" = xno; then

	    AC_CHECK_HEADERS([alsa/asoundlib.h],

	                     [ALSA_FOUND=yes

	                      ALSA_CFLAGS=-Iignoreme

	                      ALSA_LIBS=-lasound

	                      DEFAULT_ALSA=yes],

	                     [ALSA_FOUND=no])

	fi

	if test "x$ALSA_FOUND" = xno; then 

	    HELP_MSG_MISSING_DEPENDENCY([alsa])

	    AC_MSG_ERROR([Could not find alsa! $HELP_MSG ])

	fi    

fi

AC_SUBST(ALSA_CFLAGS)

AC_SUBST(ALSA_LIBS)

])

AC_DEFUN_ONCE([LIB_SETUP_MISC_LIBS],

[

###############################################################################

#

# Check for the jpeg library

#

USE_EXTERNAL_LIBJPEG=true

AC_CHECK_LIB(jpeg, main, [],

             [ USE_EXTERNAL_LIBJPEG=false

               AC_MSG_NOTICE([Will use jpeg decoder bundled with the OpenJDK source])

             ])

AC_SUBST(USE_EXTERNAL_LIBJPEG)

###############################################################################

#

# Check for the gif library

#

USE_EXTERNAL_LIBJPEG=true

AC_CHECK_LIB(gif, main, [],

             [ USE_EXTERNAL_LIBGIF=false

               AC_MSG_NOTICE([Will use gif decoder bundled with the OpenJDK source])

             ])

AC_SUBST(USE_EXTERNAL_LIBGIF)

###############################################################################

#

# Check for the zlib library

#

AC_ARG_WITH(zlib, [AS_HELP_STRING([--with-zlib],

	[use zlib from build system or OpenJDK source (system, bundled) @<:@bundled@:>@])])

AC_CHECK_LIB(z, compress,

             [ ZLIB_FOUND=yes ],

             [ ZLIB_FOUND=no ])

AC_MSG_CHECKING([for which zlib to use])