jdk

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#
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# Copyright (c) 2011, 2023, Oracle and/or its affiliates. All rights reserved.
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# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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#
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# This code is free software; you can redistribute it and/or modify it
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# under the terms of the GNU General Public License version 2 only, as
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# published by the Free Software Foundation.  Oracle designates this
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# particular file as subject to the "Classpath" exception as provided
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# by Oracle in the LICENSE file that accompanied this code.
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#
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# This code is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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# version 2 for more details (a copy is included in the LICENSE file that
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# accompanied this code).
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#
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# You should have received a copy of the GNU General Public License version
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# 2 along with this work; if not, write to the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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# or visit www.oracle.com if you need additional information or have any
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# questions.
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#
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################################################################################
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# Setup X11 Windows system
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################################################################################
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AC_DEFUN_ONCE([LIB_SETUP_X11],
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[
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  if test "x$NEEDS_LIB_X11" = xfalse; then
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    if (test "x${with_x}" != x && test "x${with_x}" != xno); then
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      AC_MSG_WARN([X11 is not used, so --with-x is ignored])
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    fi
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    X_CFLAGS=
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    X_LIBS=
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  else
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    x_libraries_orig="$x_libraries"
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    if test "x${with_x}" = xno; then
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      AC_MSG_ERROR([It is not possible to disable the use of X11. Remove the --without-x option.])
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    fi
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    if test "x${with_x}" != x &&  test "x${with_x}" != xyes; then
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      # The user has specified a X11 base directory. Use it for includes and
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      # libraries, unless explicitly overridden.
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      if test "x$x_includes" = xNONE; then
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        x_includes="${with_x}/include"
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      fi
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      if test "x$x_libraries" = xNONE; then
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        x_libraries="${with_x}/lib"
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        x_libraries_orig="$x_libraries"
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      fi
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    else
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      # Check if the user has specified sysroot, but not --with-x, --x-includes or --x-libraries.
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      # Make a simple check for the libraries at the sysroot, and setup --x-includes and
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      # --x-libraries for the sysroot, if that seems to be correct.
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      if test "x$SYSROOT" != "x"; then
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        if test "x$x_includes" = xNONE; then
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          if test -f "$SYSROOT/usr/X11R6/include/X11/Xlib.h"; then
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            x_includes="$SYSROOT/usr/X11R6/include"
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          elif test -f "$SYSROOT/usr/include/X11/Xlib.h"; then
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            x_includes="$SYSROOT/usr/include"
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          fi
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        fi
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        if test "x$x_libraries" = xNONE; then
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          if test -f "$SYSROOT/usr/X11R6/lib/libX11.so"; then
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            x_libraries="$SYSROOT/usr/X11R6/lib"
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          elif test -f "$SYSROOT/usr/lib64/libX11.so" && test "x$OPENJDK_TARGET_CPU_BITS" = x64; then
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            x_libraries="$SYSROOT/usr/lib64"
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          elif test -f "$SYSROOT/usr/lib/libX11.so"; then
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            x_libraries="$SYSROOT/usr/lib"
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          elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"; then
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            x_libraries="$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI"
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          elif test -f "$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI/libX11.so"; then
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            x_libraries="$SYSROOT/usr/lib/$OPENJDK_TARGET_CPU_AUTOCONF-$OPENJDK_TARGET_OS-$OPENJDK_TARGET_ABI"
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          fi
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        fi
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      fi
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    fi
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    # Now let autoconf do it's magic
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    AC_PATH_X
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    AC_PATH_XTRA
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    # AC_PATH_XTRA creates X_LIBS and sometimes adds -R flags. When cross compiling
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    # this doesn't make sense so we remove it; same for sysroot (devkit).
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    if test "x$COMPILE_TYPE" = xcross || (test "x$SYSROOT" != "x" && test "x$x_libraries_orig" = xNONE); then
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      X_LIBS=`$ECHO $X_LIBS | $SED 's/-R \{0,1\}[[^ ]]*//g'`
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    fi
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    if test "x$no_x" = xyes; then
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      HELP_MSG_MISSING_DEPENDENCY([x11])
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      AC_MSG_ERROR([Could not find X11 libraries. $HELP_MSG])
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    fi
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    AC_LANG_PUSH(C)
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    OLD_CFLAGS="$CFLAGS"
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    CFLAGS="$CFLAGS $SYSROOT_CFLAGS $X_CFLAGS"
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    if test "x$OPENJDK_TARGET_OS" = xaix; then
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      # There is no Xrandr extension on AIX. Code is duplicated to avoid autoconf
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      # 2.71+ warning "AC_CHECK_HEADERS: you should use literals"
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      X_CFLAGS="$X_CFLAGS -DNO_XRANDR"
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      AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h X11/Intrinsic.h],
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          [X11_HEADERS_OK=yes],
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          [X11_HEADERS_OK=no; break],
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          [
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            # include <X11/Xlib.h>
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            # include <X11/Xutil.h>
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          ]
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      )
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    else
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      AC_CHECK_HEADERS([X11/extensions/shape.h X11/extensions/Xrender.h X11/extensions/XTest.h X11/Intrinsic.h X11/extensions/Xrandr.h],
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          [X11_HEADERS_OK=yes],
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          [X11_HEADERS_OK=no; break],
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          [
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            # include <X11/Xlib.h>
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            # include <X11/Xutil.h>
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          ]
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      )
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    fi
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    if test "x$X11_HEADERS_OK" = xno; then
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      HELP_MSG_MISSING_DEPENDENCY([x11])
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      AC_MSG_ERROR([Could not find all X11 headers (shape.h Xrender.h Xrandr.h XTest.h Intrinsic.h). $HELP_MSG])
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    fi
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    CFLAGS="$OLD_CFLAGS"
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    AC_LANG_POP(C)
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  fi # NEEDS_LIB_X11
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  AC_SUBST(X_CFLAGS)
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  AC_SUBST(X_LIBS)
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])
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