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#
# Copyright (c) 2011, 2022, 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.
#
###############################################################################
# It is recommended to use exactly this version of pandoc, especially for
# re-generating checked in html files
RECOMMENDED_PANDOC_VERSION=2.19.2
###############################################################################
# Setup the most fundamental tools that relies on not much else to set up,
# but is used by much of the early bootstrap code.
AC_DEFUN_ONCE([BASIC_SETUP_FUNDAMENTAL_TOOLS],
[
# Bootstrapping: These tools are needed by UTIL_LOOKUP_PROGS
AC_PATH_PROGS(BASENAME, basename)
UTIL_CHECK_NONEMPTY(BASENAME)
AC_PATH_PROGS(DIRNAME, dirname)
UTIL_CHECK_NONEMPTY(DIRNAME)
AC_PATH_PROGS(FILE, file)
UTIL_CHECK_NONEMPTY(FILE)
AC_PATH_PROGS(LDD, ldd)
# First are all the fundamental required tools.
UTIL_REQUIRE_PROGS(BASH, bash)
UTIL_REQUIRE_PROGS(CAT, cat)
UTIL_REQUIRE_PROGS(CHMOD, chmod)
UTIL_REQUIRE_PROGS(CP, cp)
UTIL_REQUIRE_PROGS(CUT, cut)
UTIL_REQUIRE_PROGS(DATE, date)
UTIL_REQUIRE_PROGS(DIFF, gdiff diff)
UTIL_REQUIRE_PROGS(ECHO, echo)
UTIL_REQUIRE_PROGS(EXPR, expr)
UTIL_REQUIRE_PROGS(FIND, find)
UTIL_REQUIRE_PROGS(GUNZIP, gunzip)
UTIL_REQUIRE_PROGS(GZIP, pigz gzip)
UTIL_REQUIRE_PROGS(HEAD, head)
UTIL_REQUIRE_PROGS(LN, ln)
UTIL_REQUIRE_PROGS(LS, ls)
# gmkdir is known to be safe for concurrent invocations with -p flag.
UTIL_REQUIRE_PROGS(MKDIR, gmkdir mkdir)
UTIL_REQUIRE_PROGS(MKTEMP, mktemp)
UTIL_REQUIRE_PROGS(MV, mv)
UTIL_REQUIRE_PROGS(AWK, gawk nawk awk)
UTIL_REQUIRE_PROGS(PRINTF, printf)
UTIL_REQUIRE_PROGS(RM, rm)
UTIL_REQUIRE_PROGS(RMDIR, rmdir)
UTIL_REQUIRE_PROGS(SH, sh)
UTIL_REQUIRE_PROGS(SORT, sort)
UTIL_REQUIRE_PROGS(TAIL, tail)
UTIL_REQUIRE_PROGS(TAR, gtar tar)
UTIL_REQUIRE_PROGS(TEE, tee)
UTIL_REQUIRE_PROGS(TOUCH, touch)
UTIL_REQUIRE_PROGS(TR, tr)
UTIL_REQUIRE_PROGS(UNAME, uname)
UTIL_REQUIRE_PROGS(WC, wc)
UTIL_REQUIRE_PROGS(XARGS, xargs)
# Then required tools that require some special treatment.
UTIL_REQUIRE_SPECIAL(GREP, [AC_PROG_GREP])
UTIL_REQUIRE_SPECIAL(EGREP, [AC_PROG_EGREP])
UTIL_REQUIRE_SPECIAL(FGREP, [AC_PROG_FGREP])
UTIL_REQUIRE_SPECIAL(SED, [AC_PROG_SED])
# Optional tools, we can do without them
UTIL_LOOKUP_PROGS(DF, df)
UTIL_LOOKUP_PROGS(GIT, git)
UTIL_LOOKUP_PROGS(NICE, nice)
UTIL_LOOKUP_PROGS(READLINK, greadlink readlink)
# These are only needed on some platforms
UTIL_LOOKUP_PROGS(PATHTOOL, cygpath wslpath)
UTIL_LOOKUP_PROGS(LSB_RELEASE, lsb_release)
UTIL_LOOKUP_PROGS(CMD, cmd.exe, $PATH:/cygdrive/c/windows/system32:/mnt/c/windows/system32:/c/windows/system32)
# For compare.sh only
UTIL_LOOKUP_PROGS(CMP, cmp)
UTIL_LOOKUP_PROGS(UNIQ, uniq)
# Always force rm.
RM="$RM -f"
])
###############################################################################
# Check if we have found a usable version of make
# $1: the path to a potential make binary (or empty)
# $2: the description on how we found this
AC_DEFUN([BASIC_CHECK_MAKE_VERSION],
[
MAKE_CANDIDATE="$1"
DESCRIPTION="$2"
# On Cygwin, we require a newer version of make than on other platforms
if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
MAKE_VERSION_EXPR="-e 4\."
MAKE_REQUIRED_VERSION="4.0"
else
MAKE_VERSION_EXPR="-e 3\.8[[12]] -e 4\."
MAKE_REQUIRED_VERSION="3.81"
fi
if test "x$MAKE_CANDIDATE" != x; then
AC_MSG_NOTICE([Testing potential make at $MAKE_CANDIDATE, found using $DESCRIPTION])
MAKE_VERSION_STRING=`$MAKE_CANDIDATE --version | $HEAD -n 1`
IS_GNU_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP 'GNU Make'`
if test "x$IS_GNU_MAKE" = x; then
AC_MSG_NOTICE([Found potential make at $MAKE_CANDIDATE, however, this is not GNU Make. Ignoring.])
else
IS_MODERN_MAKE=`$ECHO $MAKE_VERSION_STRING | $GREP $MAKE_VERSION_EXPR`
if test "x$IS_MODERN_MAKE" = x; then
AC_MSG_NOTICE([Found GNU make at $MAKE_CANDIDATE, however this is not version $MAKE_REQUIRED_VERSION or later. (it is: $MAKE_VERSION_STRING). Ignoring.])
else
if test "x$OPENJDK_BUILD_OS" = "xwindows"; then
if test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.cygwin"; then
MAKE_EXPECTED_ENV='cygwin'
elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.msys2"; then
MAKE_EXPECTED_ENV='msys'
elif test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl1" || test "x$OPENJDK_BUILD_OS_ENV" = "xwindows.wsl2"; then
if test "x$OPENJDK_BUILD_CPU" = "xaarch64"; then
MAKE_EXPECTED_ENV='aarch64-.*-linux-gnu'
else
MAKE_EXPECTED_ENV='x86_64-.*-linux-gnu'
fi
else
AC_MSG_ERROR([Unknown Windows environment])
fi
MAKE_BUILT_FOR=`$MAKE_CANDIDATE --version | $GREP -i 'built for'`
IS_MAKE_CORRECT_ENV=`$ECHO $MAKE_BUILT_FOR | $GREP $MAKE_EXPECTED_ENV`
else
# Not relevant for non-Windows
IS_MAKE_CORRECT_ENV=true
fi
if test "x$IS_MAKE_CORRECT_ENV" = x; then
AC_MSG_NOTICE([Found GNU make version $MAKE_VERSION_STRING at $MAKE_CANDIDATE, but it is not for $MAKE_EXPECTED_ENV (it says: $MAKE_BUILT_FOR). Ignoring.])
else
FOUND_MAKE=$MAKE_CANDIDATE
UTIL_FIXUP_EXECUTABLE(FOUND_MAKE)
fi
fi
fi
fi
])
###############################################################################
AC_DEFUN([BASIC_CHECK_MAKE_OUTPUT_SYNC],
[
# Check if make supports the output sync option and if so, setup using it.
UTIL_ARG_WITH(NAME: output-sync, TYPE: literal,
VALID_VALUES: [none recurse line target], DEFAULT: none,
OPTIONAL: true, ENABLED_DEFAULT: true,
ENABLED_RESULT: OUTPUT_SYNC_SUPPORTED,
CHECKING_MSG: [for make --output-sync value],
DESC: [set make --output-sync type if supported by make],
CHECK_AVAILABLE:
[
AC_MSG_CHECKING([if make --output-sync is supported])
if ! $MAKE --version -O > /dev/null 2>&1; then
AC_MSG_RESULT([no])
AVAILABLE=false
else
AC_MSG_RESULT([yes])
fi
]
)
AC_SUBST(OUTPUT_SYNC_SUPPORTED)
AC_SUBST(OUTPUT_SYNC)
])
###############################################################################
# Goes looking for a usable version of GNU make.
AC_DEFUN([BASIC_CHECK_GNU_MAKE],
[
UTIL_SETUP_TOOL(MAKE,
[
# Try our hardest to locate a correct version of GNU make
UTIL_LOOKUP_PROGS(CHECK_GMAKE, gmake)
BASIC_CHECK_MAKE_VERSION("$CHECK_GMAKE", [gmake in PATH])
if test "x$FOUND_MAKE" = x; then
UTIL_LOOKUP_PROGS(CHECK_MAKE, make)
BASIC_CHECK_MAKE_VERSION("$CHECK_MAKE", [make in PATH])
fi
if test "x$FOUND_MAKE" = x; then
if test "x$TOOLCHAIN_PATH" != x; then
# We have a toolchain path, check that as well before giving up.
OLD_PATH=$PATH
PATH=$TOOLCHAIN_PATH:$PATH
UTIL_LOOKUP_PROGS(CHECK_TOOLSDIR_GMAKE, gmake)
BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_GMAKE", [gmake in tools-dir])
if test "x$FOUND_MAKE" = x; then
UTIL_LOOKUP_PROGS(CHECK_TOOLSDIR_MAKE, make)
BASIC_CHECK_MAKE_VERSION("$CHECK_TOOLSDIR_MAKE", [make in tools-dir])
fi
PATH=$OLD_PATH
fi
fi
if test "x$FOUND_MAKE" = x; then
AC_MSG_ERROR([Cannot find GNU make $MAKE_REQUIRED_VERSION or newer! Please put it in the path, or add e.g. MAKE=/opt/gmake3.81/make as argument to configure.])
fi
],[
# If MAKE was set by user, verify the version
BASIC_CHECK_MAKE_VERSION("$MAKE", [user supplied MAKE=$MAKE])
if test "x$FOUND_MAKE" = x; then
AC_MSG_ERROR([The specified make (by MAKE=$MAKE) is not GNU make $MAKE_REQUIRED_VERSION or newer.])
fi
])
MAKE=$FOUND_MAKE
AC_SUBST(MAKE)
AC_MSG_NOTICE([Using GNU make at $FOUND_MAKE (version: $MAKE_VERSION_STRING)])
BASIC_CHECK_MAKE_OUTPUT_SYNC
])
###############################################################################
AC_DEFUN([BASIC_CHECK_FIND_DELETE],
[
# Test if find supports -delete
AC_MSG_CHECKING([if find supports -delete])
FIND_DELETE="-delete"
DELETEDIR=`$MKTEMP -d tmp.XXXXXXXXXX` || (echo Could not create temporary directory!; exit $?)
echo Hejsan > $DELETEDIR/TestIfFindSupportsDelete
TEST_DELETE=`$FIND "$DELETEDIR" -name TestIfFindSupportsDelete $FIND_DELETE 2>&1`
if test -f $DELETEDIR/TestIfFindSupportsDelete; then
# No, it does not.
$RM $DELETEDIR/TestIfFindSupportsDelete
if test "x$OPENJDK_TARGET_OS" = "xaix"; then
# AIX 'find' is buggy if called with '-exec {} \+' and an empty file list
FIND_DELETE="-print | $XARGS $RM"
else
FIND_DELETE="-exec $RM \{\} \+"
fi
AC_MSG_RESULT([no])
else
AC_MSG_RESULT([yes])
fi
$RMDIR $DELETEDIR
AC_SUBST(FIND_DELETE)
])
###############################################################################
AC_DEFUN([BASIC_CHECK_TAR],
[
# Test which kind of tar was found
if test "x$($TAR --version | $GREP "GNU tar")" != "x"; then
TAR_TYPE="gnu"
elif test "x$($TAR --version | $GREP "bsdtar")" != "x"; then
TAR_TYPE="bsd"
elif test "x$($TAR -v | $GREP "bsdtar")" != "x"; then
TAR_TYPE="bsd"
elif test "x$($TAR --version | $GREP "busybox")" != "x"; then
TAR_TYPE="busybox"
elif test "x$OPENJDK_BUILD_OS" = "xaix"; then
TAR_TYPE="aix"
fi
AC_MSG_CHECKING([what type of tar was found])
AC_MSG_RESULT([$TAR_TYPE])
if test "x$TAR_TYPE" = "xgnu"; then
TAR_INCLUDE_PARAM="T"
TAR_SUPPORTS_TRANSFORM="true"
elif test "x$TAR_TYPE" = "aix"; then
# -L InputList of aix tar: name of file listing the files and directories
# that need to be archived or extracted
TAR_INCLUDE_PARAM="L"
TAR_SUPPORTS_TRANSFORM="false"
elif test "x$TAR_TYPE" = "xbusybox"; then
TAR_INCLUDE_PARAM="T"
TAR_SUPPORTS_TRANSFORM="false"
else
TAR_INCLUDE_PARAM="I"
TAR_SUPPORTS_TRANSFORM="false"
fi
AC_SUBST(TAR_TYPE)
AC_SUBST(TAR_INCLUDE_PARAM)
AC_SUBST(TAR_SUPPORTS_TRANSFORM)
])
###############################################################################
AC_DEFUN([BASIC_CHECK_GREP],
[
# Test that grep supports -Fx with a list of pattern which includes null pattern.
# This is a problem for the grep resident on AIX.
AC_MSG_CHECKING([that grep ($GREP) -Fx handles empty lines in the pattern list correctly])
# Multiple subsequent spaces..
STACK_SPACES='aaa bbb ccc'
# ..converted to subsequent newlines, causes STACK_LIST to be a list with some empty
# patterns in it.
STACK_LIST=${STACK_SPACES// /$'\n'}
NEEDLE_SPACES='ccc bbb aaa'
NEEDLE_LIST=${NEEDLE_SPACES// /$'\n'}
RESULT="$($GREP -Fvx "$STACK_LIST" <<< "$NEEDLE_LIST")"
if test "x$RESULT" == "x"; then
AC_MSG_RESULT([yes])
else
if test "x$OPENJDK_TARGET_OS" = "xaix"; then
ADDINFO="Please make sure you use GNU grep, usually found at /opt/freeware/bin."
fi
AC_MSG_ERROR([grep does not handle -Fx correctly. ${ADDINFO}])
fi
])
###############################################################################
AC_DEFUN_ONCE([BASIC_SETUP_COMPLEX_TOOLS],
[
BASIC_CHECK_GNU_MAKE
BASIC_CHECK_FIND_DELETE
BASIC_CHECK_TAR
BASIC_CHECK_GREP
BASIC_SETUP_PANDOC
# These tools might not be installed by default,
# need hint on how to install them.
UTIL_REQUIRE_PROGS(UNZIP, unzip)
# Since zip uses "ZIP" as a environment variable for passing options, we need
# to name our variable differently, hence ZIPEXE.
UTIL_REQUIRE_PROGS(ZIPEXE, zip)
# Non-required basic tools
UTIL_LOOKUP_PROGS(READELF, greadelf readelf)
UTIL_LOOKUP_PROGS(DOT, dot)
UTIL_LOOKUP_PROGS(STAT, stat)
UTIL_LOOKUP_PROGS(TIME, time)
UTIL_LOOKUP_PROGS(FLOCK, flock)
# Dtrace is usually found in /usr/sbin, but that directory may not
# be in the user path.
UTIL_LOOKUP_PROGS(DTRACE, dtrace, $PATH:/usr/sbin)
UTIL_LOOKUP_PROGS(PATCH, gpatch patch)
# Check if it's GNU time
[ IS_GNU_TIME=`$TIME --version 2>&1 | $GREP 'GNU [Tt]ime'` ]
if test "x$IS_GNU_TIME" != x; then
IS_GNU_TIME=yes
else
IS_GNU_TIME=no
fi
AC_SUBST(IS_GNU_TIME)
# Check if it's a GNU date compatible version
AC_MSG_CHECKING([if date is a GNU compatible version])
check_date=`$DATE --version 2>&1 | $GREP "GNU\|BusyBox"`
if test "x$check_date" != x; then
AC_MSG_RESULT([yes])
IS_GNU_DATE=yes
else
AC_MSG_RESULT([no])
IS_GNU_DATE=no
fi
AC_SUBST(IS_GNU_DATE)
if test "x$OPENJDK_TARGET_OS" = "xmacosx"; then
UTIL_REQUIRE_PROGS(DSYMUTIL, dsymutil)
UTIL_REQUIRE_PROGS(MIG, mig)
UTIL_REQUIRE_PROGS(XATTR, xattr)
UTIL_LOOKUP_PROGS(CODESIGN, codesign)
UTIL_REQUIRE_PROGS(SETFILE, SetFile)
fi
if ! test "x$OPENJDK_TARGET_OS" = "xwindows"; then
UTIL_REQUIRE_PROGS(ULIMIT, ulimit)
fi
])
###############################################################################
# Check for support for specific options in bash
AC_DEFUN_ONCE([BASIC_CHECK_BASH_OPTIONS],
[
# Check bash version
# Extra [ ] to stop m4 mangling
[ BASH_VER=`$BASH --version | $SED -n -e 's/^.*bash.*ersion *\([0-9.]*\).*$/\1/ p'` ]
AC_MSG_CHECKING([bash version])
AC_MSG_RESULT([$BASH_VER])
BASH_MAJOR=`$ECHO $BASH_VER | $CUT -d . -f 1`
BASH_MINOR=`$ECHO $BASH_VER | $CUT -d . -f 2`
if test $BASH_MAJOR -lt 3 || (test $BASH_MAJOR -eq 3 && test $BASH_MINOR -lt 2); then
AC_MSG_ERROR([bash version 3.2 or better is required])
fi
# Test if bash supports pipefail.
AC_MSG_CHECKING([if bash supports pipefail])
if ${BASH} -c 'set -o pipefail'; then
BASH_ARGS="$BASH_ARGS -o pipefail"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
AC_MSG_CHECKING([if bash supports errexit (-e)])
if ${BASH} -e -c 'true'; then
BASH_ARGS="$BASH_ARGS -e"
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
fi
AC_SUBST(BASH_ARGS)
])
################################################################################
#
# Setup Pandoc
#
AC_DEFUN_ONCE([BASIC_SETUP_PANDOC],
[
UTIL_LOOKUP_PROGS(PANDOC, pandoc)
if test "x$PANDOC" != x; then
AC_MSG_CHECKING([for pandoc version])
PANDOC_VERSION=`$PANDOC --version 2>&1 | $HEAD -1 | $CUT -d " " -f 2`
AC_MSG_RESULT([$PANDOC_VERSION])
if test "x$PANDOC_VERSION" != x$RECOMMENDED_PANDOC_VERSION; then
AC_MSG_WARN([pandoc is version $PANDOC_VERSION, not the recommended version $RECOMMENDED_PANDOC_VERSION])
fi
PANDOC_MARKDOWN_FLAG="markdown"
AC_MSG_CHECKING([if the pandoc smart extension needs to be disabled for markdown])
if $PANDOC --list-extensions | $GREP -q '\+smart'; then
AC_MSG_RESULT([yes])
PANDOC_MARKDOWN_FLAG="markdown-smart"
else
AC_MSG_RESULT([no])
fi
ENABLE_PANDOC="true"
else
ENABLE_PANDOC="false"
fi
AC_SUBST(ENABLE_PANDOC)
AC_SUBST(PANDOC_MARKDOWN_FLAG)
])
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