541 lines
18 KiB
Plaintext
541 lines
18 KiB
Plaintext
#
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# Copyright (c) 2011, 2020, 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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# Appends a string to a path variable, only adding the : when needed.
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AC_DEFUN([UTIL_APPEND_TO_PATH],
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[
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if test "x$2" != x; then
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if test "x[$]$1" = x; then
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$1="$2"
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else
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$1="[$]$1:$2"
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fi
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fi
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])
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###############################################################################
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# Prepends a string to a path variable, only adding the : when needed.
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AC_DEFUN([UTIL_PREPEND_TO_PATH],
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[
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if test "x$2" != x; then
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if test "x[$]$1" = x; then
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$1="$2"
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else
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$1="$2:[$]$1"
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fi
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fi
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])
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###############################################################################
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# This will make sure the given variable points to a full and proper
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# path. This means:
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# 1) There will be no spaces in the path. On unix platforms,
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# spaces in the path will result in an error. On Windows,
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# the path will be rewritten using short-style to be space-free.
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# 2) The path will be absolute, and it will be in unix-style (on
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# cygwin).
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# $1: The name of the variable to fix
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# $2: if NOFAIL, errors will be silently ignored
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AC_DEFUN([UTIL_FIXUP_PATH],
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[
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# Only process if variable expands to non-empty
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path="[$]$1"
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if test "x$path" != x; then
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if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
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if test "x$2" = "xNOFAIL"; then
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quiet_option="-q"
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fi
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imported_path=`$FIXPATH_BASE $quiet_option import "$path"`
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$FIXPATH_BASE verify "$imported_path"
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if test $? -ne 0; then
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if test "x$2" != "xNOFAIL"; then
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AC_MSG_ERROR([The path of $1, which resolves as "$path", could not be imported.])
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else
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imported_path=""
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fi
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fi
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if test "x$imported_path" != "x$path"; then
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$1="$imported_path"
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fi
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else
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[ if [[ "$path" =~ " " ]]; then ]
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if test "x$2" != "xNOFAIL"; then
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AC_MSG_NOTICE([The path of $1, which resolves as "$path", is invalid.])
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AC_MSG_ERROR([Spaces are not allowed in this path.])
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else
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path=""
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fi
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fi
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# Use eval to expand a potential ~.
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eval new_path="$path"
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if test ! -e "$new_path"; then
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if test "x$2" != "xNOFAIL"; then
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AC_MSG_ERROR([The path of $1, which resolves as "$new_path", is not found.])
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else
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new_path=""
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fi
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fi
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# Make the path absolute
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if test "x$new_path" != x; then
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if test -d "$new_path"; then
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path="`cd "$new_path"; pwd -L`"
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else
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dir="`$DIRNAME "$new_path"`"
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base="`$BASENAME "$new_path"`"
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path="`cd "$dir"; pwd -L`/$base"
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fi
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else
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path=""
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fi
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$1="$path"
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fi
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fi
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])
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###############################################################################
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# Check if the given file is a unix-style or windows-style executable, that is,
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# if it expects paths in unix-style or windows-style.
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# Returns "windows" or "unix" in $RESULT.
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AC_DEFUN([UTIL_CHECK_WINENV_EXEC_TYPE],
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[
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# For cygwin and msys2, if it's linked with the correct helper lib, it
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# accept unix paths
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if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin" || \
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test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys2"; then
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linked_libs=`$LDD $1 2>&1`
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if test $? -ne 0; then
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# Non-binary files (e.g. shell scripts) are unix files
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RESULT=unix
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else
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[ if [[ "$linked_libs" =~ $WINENV_MARKER_DLL ]]; then ]
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RESULT=unix
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else
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RESULT=windows
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fi
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fi
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elif test "x$OPENJDK_BUILD_OS" = "xwindows"; then
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# On WSL, we can check if it is a PE file
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file_type=`$FILE -b $1 2>&1`
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[ if [[ $file_type =~ PE.*Windows ]]; then ]
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RESULT=windows
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else
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RESULT=unix
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fi
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else
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RESULT=unix
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fi
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])
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###############################################################################
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# This will make sure the given variable points to a executable
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# with a full and proper path. This means:
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# 1) There will be no spaces in the path. On unix platforms,
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# spaces in the path will result in an error. On Windows,
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# the path will be rewritten using short-style to be space-free.
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# 2) The path will be absolute, and it will be in unix-style (on
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# cygwin).
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# Any arguments given to the executable is preserved.
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# If the input variable does not have a directory specification, then
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# it need to be in the PATH.
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# $1: The name of the variable to fix
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# $2: Where to look for the command (replaces $PATH)
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# $3: set to NOFIXPATH to skip prefixing FIXPATH, even if needed on platform
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AC_DEFUN([UTIL_FIXUP_EXECUTABLE],
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[
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input="[$]$1"
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# Only process if variable expands to non-empty
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if test "x$input" != x; then
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# First separate the path from the arguments. This will split at the first
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# space.
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[ if [[ "$OPENJDK_BUILD_OS" = "windows" && input =~ ^$FIXPATH ]]; then
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line="${input#$FIXPATH }"
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fixpath_prefix="$FIXPATH "
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else
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line="$input"
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fixpath_prefix=""
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fi ]
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path="${line%% *}"
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arguments="${line#"$path"}"
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[ if ! [[ "$path" =~ /|\\ ]]; then ]
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# This is a command without path (e.g. "gcc" or "echo")
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command_type=`type -t "$path"`
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if test "x$command_type" = xbuiltin || test "x$command_type" = xkeyword; then
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# Shell builtin or keyword; we're done here
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new_path="$path"
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else
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# Search in $PATH using bash built-in 'type -p'.
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saved_path="$PATH"
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if test "x$2" != x; then
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PATH="$2"
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fi
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new_path=`type -p "$path"`
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if test "x$new_path" = x && test "x$OPENJDK_BUILD_OS" = "xwindows"; then
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# Try again with .exe
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new_path="`type -p "$path.exe"`"
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fi
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PATH="$saved_path"
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if test "x$new_path" = x; then
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AC_MSG_NOTICE([The command for $1, which resolves as "$input", is not found in the PATH.])
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AC_MSG_ERROR([Cannot locate $path])
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fi
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fi
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else
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# This is a path with slashes, don't look at $PATH
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if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
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# fixpath.sh import will do all heavy lifting for us
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new_path=`$FIXPATH_BASE import "$path"`
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if test ! -e $new_path; then
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# It failed, but maybe spaces were part of the path and not separating
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# the command and argument. Retry using that assumption.
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new_path=`$FIXPATH_BASE import "$input"`
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if test ! -e $new_path; then
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AC_MSG_NOTICE([The command for $1, which resolves as "$input", can not be found.])
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AC_MSG_ERROR([Cannot locate $input])
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fi
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# It worked, clear all "arguments"
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arguments=""
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fi
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else # on unix
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# Make absolute
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$1="$path"
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UTIL_FIXUP_PATH($1, NOFAIL)
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new_path="[$]$1"
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if test ! -e $new_path; then
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AC_MSG_NOTICE([The command for $1, which resolves as "$input", is not found])
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[ if [[ "$path" =~ " " ]]; then ]
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AC_MSG_NOTICE([This might be caused by spaces in the path, which is not allowed.])
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fi
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AC_MSG_ERROR([Cannot locate $path])
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fi
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if test ! -x $new_path; then
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AC_MSG_NOTICE([The command for $1, which resolves as "$input", is not executable.])
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AC_MSG_ERROR([Cannot execute command at $path])
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fi
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fi # end on unix
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fi # end with or without slashes
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# Now we have a usable command as new_path, with arguments in arguments
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if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
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if test "x$fixpath_prefix" = x; then
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# Only mess around if fixpath_prefix was not given
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UTIL_CHECK_WINENV_EXEC_TYPE("$new_path")
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if test "x$RESULT" = xwindows; then
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fixpath_prefix="$FIXPATH "
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# make sure we have an .exe suffix (but not two)
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new_path="${new_path%.exe}.exe"
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else
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# If we have gotten a .exe suffix, remove it
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new_path="${new_path%.exe}"
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fi
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fi
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fi
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if test "x$3" = xNOFIXPATH; then
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fixpath_prefix=""
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fi
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# Now join together the path and the arguments once again
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new_complete="$fixpath_prefix$new_path$arguments"
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$1="$new_complete"
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fi
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])
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###############################################################################
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# Setup a tool for the given variable. If correctly specified by the user,
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# use that value, otherwise search for the tool using the supplied code snippet.
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# $1: variable to set
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# $2: code snippet to call to look for the tool
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# $3: code snippet to call if variable was used to find tool
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AC_DEFUN([UTIL_SETUP_TOOL],
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[
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# Publish this variable in the help.
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AC_ARG_VAR($1, [Override default value for $1])
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if [[ -z "${$1+x}" ]]; then
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# The variable is not set by user, try to locate tool using the code snippet
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$2
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else
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# The variable is set, but is it from the command line or the environment?
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# Try to remove the string !$1! from our list.
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try_remove_var=${CONFIGURE_OVERRIDDEN_VARIABLES//!$1!/}
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if test "x$try_remove_var" = "x$CONFIGURE_OVERRIDDEN_VARIABLES"; then
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# If it failed, the variable was not from the command line. Ignore it,
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# but warn the user (except for BASH, which is always set by the calling BASH).
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if test "x$1" != xBASH; then
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AC_MSG_WARN([Ignoring value of $1 from the environment. Use command line variables instead.])
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fi
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# Try to locate tool using the code snippet
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$2
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else
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# If it succeeded, then it was overridden by the user. We will use it
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# for the tool.
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# First remove it from the list of overridden variables, so we can test
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# for unknown variables in the end.
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CONFIGURE_OVERRIDDEN_VARIABLES="$try_remove_var"
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tool_override=[$]$1
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# Check if we try to supply an empty value
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if test "x$tool_override" = x; then
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AC_MSG_CHECKING([for $1])
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AC_MSG_RESULT([[[disabled by user]]])
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else
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# Split up override in command part and argument part
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tool_and_args=($tool_override)
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[ tool_command=${tool_and_args[0]} ]
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[ unset 'tool_and_args[0]' ]
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[ tool_args=${tool_and_args[@]} ]
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# Check if the provided tool contains a complete path.
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tool_basename="${tool_command##*/}"
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if test "x$tool_basename" = "x$tool_command"; then
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# A command without a complete path is provided, search $PATH.
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AC_MSG_NOTICE([Will search for user supplied tool "$tool_basename"])
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AC_PATH_PROGS($1, $tool_basename ${tool_basename}.exe)
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tool_command="[$]$1"
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if test "x$tool_command" = x; then
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AC_MSG_ERROR([User supplied tool $1="$tool_basename" could not be found in PATH])
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fi
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else
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# Otherwise we believe it is a complete path. Use it as it is.
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if test ! -x "$tool_command" && test ! -x "${tool_command}.exe"; then
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AC_MSG_ERROR([User supplied tool $1="$tool_command" does not exist or is not executable])
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fi
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if test ! -x "$tool_command"; then
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tool_command="${tool_command}.exe"
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fi
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$1="$tool_command"
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fi
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if test "x$tool_args" != x; then
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# If we got arguments, re-append them to the command after the fixup.
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$1="[$]$1 $tool_args"
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fi
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AC_MSG_CHECKING([for $1])
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AC_MSG_RESULT([[$]$1 [[user supplied]]])
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fi
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fi
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$3
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fi
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])
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###############################################################################
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# Locate a tool using proper methods.
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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# $4: set to NOFIXPATH to skip prefixing FIXPATH, even if needed on platform
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AC_DEFUN([UTIL_LOOKUP_PROGS],
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[
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UTIL_SETUP_TOOL($1, [
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$1=""
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if test "x$3" != x; then
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old_path="$PATH"
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PATH="$3"
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fi
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for name in $2; do
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AC_MSG_CHECKING(for $name)
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command_type=`type -t "$name"`
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if test "x$command_type" = xbuiltin || test "x$command_type" = xkeyword; then
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# Shell builtin or keyword; we're done here
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full_path="$name"
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$1="$full_path"
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AC_MSG_RESULT([[$full_path [builtin]]])
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break
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else
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# Search in $PATH
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old_ifs="$IFS"
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IFS=":"
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for elem in $PATH; do
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IFS="$old_ifs"
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if test "x$elem" = x; then
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continue
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fi
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full_path="$elem/$name"
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if test ! -e "$full_path" && test "x$OPENJDK_BUILD_OS" = "xwindows"; then
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# Try again with .exe
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full_path="$elem/$name.exe"
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fi
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if test -e "$full_path"; then
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$1="$full_path"
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UTIL_FIXUP_EXECUTABLE($1, $3, $4)
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result="[$]$1"
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# If we have FIXPATH enabled, strip all instances of it and prepend
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# a single one, to avoid double fixpath prefixing.
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if test "x$4" != xNOFIXPATH; then
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[ if [[ $FIXPATH != "" && $result =~ ^"$FIXPATH " ]]; then ]
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result="\$FIXPATH ${result#"$FIXPATH "}"
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fi
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fi
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AC_MSG_RESULT([$result])
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break 2;
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fi
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done
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IFS="$old_ifs"
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fi
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AC_MSG_RESULT([[[not found]]])
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done
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if test "x$3" != x; then
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PATH="$old_path"
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fi
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])
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])
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###############################################################################
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# Call UTIL_SETUP_TOOL with AC_CHECK_TOOLS to locate the tool. This will look
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# first for cross-compilation tools.
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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AC_DEFUN([UTIL_LOOKUP_TOOLCHAIN_PROGS],
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[
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if test "x$ac_tool_prefix" = x; then
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UTIL_LOOKUP_PROGS($1, $2, $3)
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else
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prefixed_names=$(for name in $2; do echo ${ac_tool_prefix}${name} $name; done)
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UTIL_LOOKUP_PROGS($1, $prefixed_names, $3)
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fi
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])
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###############################################################################
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# Test that variable $1 denoting a program is not empty. If empty, exit with an error.
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# $1: variable to check
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AC_DEFUN([UTIL_CHECK_NONEMPTY],
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[
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if test "x[$]$1" = x; then
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AC_MSG_ERROR([Could not find required tool for $1])
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fi
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])
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###############################################################################
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# Like UTIL_LOOKUP_PROGS but fails if no tool was found.
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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AC_DEFUN([UTIL_REQUIRE_PROGS],
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[
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UTIL_LOOKUP_PROGS($1, $2, $3)
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UTIL_CHECK_NONEMPTY($1)
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])
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###############################################################################
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# Like UTIL_LOOKUP_PROGS but fails if no tool was found.
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# $1: variable to set
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# $2: executable name (or list of names) to look for
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# $3: [path]
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AC_DEFUN([UTIL_REQUIRE_TOOLCHAIN_PROGS],
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[
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UTIL_LOOKUP_TOOLCHAIN_PROGS($1, $2, $3)
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UTIL_CHECK_NONEMPTY($1)
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])
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###############################################################################
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# Like UTIL_SETUP_TOOL but fails if no tool was found.
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# $1: variable to set
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# $2: autoconf macro to call to look for the special tool
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AC_DEFUN([UTIL_REQUIRE_SPECIAL],
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[
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UTIL_SETUP_TOOL($1, [$2])
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UTIL_CHECK_NONEMPTY($1)
|
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# The special macro will return an absolute path, and is only used for
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# unix tools. No further processing needed.
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])
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|
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###############################################################################
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|
# Add FIXPATH prefix to variable. Normally this is done by UTIL_LOOKUP_PROGS
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|
# or UTIL_FIXUP_EXECUTABLE, but in some circumstances this has to be done
|
|
# explicitly, such as when the command in question does not exist yet.
|
|
#
|
|
# $1: variable to add fixpath to
|
|
AC_DEFUN([UTIL_ADD_FIXPATH],
|
|
[
|
|
if test "x$FIXPATH" != x; then
|
|
$1="$FIXPATH [$]$1"
|
|
fi
|
|
])
|
|
|
|
###############################################################################
|
|
AC_DEFUN([UTIL_REMOVE_SYMBOLIC_LINKS],
|
|
[
|
|
if test "x$OPENJDK_BUILD_OS" != xwindows; then
|
|
# Follow a chain of symbolic links. Use readlink
|
|
# where it exists, else fall back to horribly
|
|
# complicated shell code.
|
|
if test "x$READLINK_TESTED" != yes; then
|
|
# On MacOSX there is a readlink tool with a different
|
|
# purpose than the GNU readlink tool. Check the found readlink.
|
|
READLINK_ISGNU=`$READLINK --version 2>&1 | $GREP GNU`
|
|
# If READLINK_ISGNU is empty, then it's a non-GNU readlink. Don't use it.
|
|
READLINK_TESTED=yes
|
|
fi
|
|
|
|
if test "x$READLINK" != x && test "x$READLINK_ISGNU" != x; then
|
|
$1=`$READLINK -f [$]$1`
|
|
else
|
|
# Save the current directory for restoring afterwards
|
|
STARTDIR=$PWD
|
|
COUNTER=0
|
|
sym_link_dir=`$DIRNAME [$]$1`
|
|
sym_link_file=`$BASENAME [$]$1`
|
|
cd $sym_link_dir
|
|
# Use -P flag to resolve symlinks in directories.
|
|
cd `pwd -P`
|
|
sym_link_dir=`pwd -P`
|
|
# Resolve file symlinks
|
|
while test $COUNTER -lt 20; do
|
|
ISLINK=`$LS -l $sym_link_dir/$sym_link_file | $GREP '\->' | $SED -e 's/.*-> \(.*\)/\1/'`
|
|
if test "x$ISLINK" == x; then
|
|
# This is not a symbolic link! We are done!
|
|
break
|
|
fi
|
|
# Again resolve directory symlinks since the target of the just found
|
|
# link could be in a different directory
|
|
cd `$DIRNAME $ISLINK`
|
|
sym_link_dir=`pwd -P`
|
|
sym_link_file=`$BASENAME $ISLINK`
|
|
let COUNTER=COUNTER+1
|
|
done
|
|
cd $STARTDIR
|
|
$1=$sym_link_dir/$sym_link_file
|
|
fi
|
|
fi
|
|
])
|