/usr/share/aclocal/ax_lib_xalan.m4 is in autoconf-archive 20170928-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# https://www.gnu.org/software/autoconf-archive/ax_lib_xalan.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_LIB_XALAN([MINIMUM-VERSION])
#
# DESCRIPTION
#
# This macro provides tests of availability of Apache Xalan C++ XSLT
# processor of a particular version or newer. This macros checks for
# Apache Xalan C++ XSLT processor headers and libraries and defines
# compilation flags
#
# Macro supports following options and their values:
#
# 1) Single-option usage:
#
# --with-xalan - yes, no or path to Xalan installation prefix
#
# 2) Three-options usage (all options are required):
#
# --with-xalan=yes
# --with-xalan-inc - path to base directory with Xalan headers
# --with-xalan-lib - linker flags for Xalan
#
# This macro calls:
#
# AC_SUBST(XALAN_CPPFLAGS)
# AC_SUBST(XALAN_LDFLAGS)
# AC_SUBST(XALAN_VERSION) - only if version requirement is used
#
# And sets:
#
# HAVE_XALAN
#
# LICENSE
#
# Copyright (c) 2009 Mateusz Loskot <mateusz@loskot.net>
# Copyright (c) 2009 Bill Blough <bblough@gmail.com>
#
# Copying and distribution of this file, with or without modification, are
# permitted in any medium without royalty provided the copyright notice
# and this notice are preserved. This file is offered as-is, without any
# warranty.
#serial 6
AC_DEFUN([AX_LIB_XALAN],
[
AC_REQUIRE([AX_LIB_XERCES])
AC_ARG_WITH([xalan],
AS_HELP_STRING([--with-xalan=@<:@ARG@:>@],
[use Xalan C++ XSLT processor from given prefix (ARG=path); check standard prefixes (ARG=yes); disable (ARG=no)]
),
[
if test "$withval" = "yes"; then
if test -d /usr/local/include/xalanc ; then
xalan_prefix=/usr/local
elif test -d /usr/include/xalanc ; then
xalan_prefix=/usr
else
xalan_prefix=""
fi
xalan_requested="yes"
elif test -d "$withval"; then
xalan_prefix="$withval"
xalan_requested="yes"
else
xalan_prefix=""
xalan_requested="no"
fi
],
[
dnl Default behavior is implicit yes
if test -d /usr/local/include/xalanc ; then
xalan_prefix=/usr/local
elif test -d /usr/include/xalanc ; then
xalan_prefix=/usr
else
xalan_prefix=""
fi
]
)
AC_ARG_WITH([xalan-inc],
AS_HELP_STRING([--with-xalan-inc=@<:@DIR@:>@],
[path to Xalan C++ XSLT processor headers]
),
[xalan_include_dir="$withval"],
[xalan_include_dir=""]
)
AC_ARG_WITH([xalan-lib],
AS_HELP_STRING([--with-xalan-lib=@<:@ARG@:>@],
[link options for Xalan C++ XSLT processor libraries]
),
[xalan_ldflags="$withval"],
[xalan_ldflags=""]
)
XALAN_CPPFLAGS=""
XALAN_LDFLAGS=""
XALAN_VERSION=""
dnl
dnl Collect include/lib paths and flags
dnl
run_xalan_test="no"
if test -n "$xalan_prefix"; then
xalan_include_dir="$xalan_prefix/include"
xalan_include_dir2="$xalan_prefix/include/xalanc"
xalan_ldflags="-L$xalan_prefix/lib"
run_xalan_test="yes"
elif test "$xalan_requested" = "yes"; then
if test -n "$xalan_include_dir" -a -n "$xalan_lib_flags"; then
xalan_include_dir2="$xalan_include_dir/xalanc"
run_xalan_test="yes"
fi
else
run_xalan_test="no"
fi
xalan_libs="-lxalan-c"
dnl
dnl Check Xalan C++ XSLT processor files
dnl
if test "$run_xalan_test" = "yes"; then
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$xalan_include_dir -I$xalan_include_dir2"
saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $xalan_ldflags $XERCES_LDFLAGS"
saved_LIBS="$LIBS"
LIBS="$xalan_libs $XERCES_LIBS $LIBS"
dnl
dnl Check Xalan headers
dnl
AC_MSG_CHECKING([for Xalan C++ XSLT processor headers in $xalan_include_dir and $xalan_include_dir2])
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[[
@%:@include <xalanc/Include/XalanVersion.hpp>
@%:@include <xalanc/PlatformSupport/PlatformSupportInit.hpp>
]],
[[]]
)],
[
XALAN_CPPFLAGS="-I$xalan_include_dir -I$xalan_include_dir2"
xalan_header_found="yes"
AC_MSG_RESULT([found])
],
[
xalan_header_found="no"
AC_MSG_RESULT([not found])
]
)
AC_LANG_POP([C++])
dnl
dnl Check Xalan libraries
dnl
if test "$xalan_header_found" = "yes"; then
AC_MSG_CHECKING([for Xalan C++ XSLT processor libraries])
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([
AC_LANG_PROGRAM(
[[
@%:@include <xalanc/PlatformSupport/PlatformSupportInit.hpp>
@%:@include <xercesc/util/PlatformUtils.hpp>
@%:@include <xalanc/XalanTransformer/XalanTransformer.hpp>
XALAN_USING_XERCES(XMLPlatformUtils)
XALAN_USING_XALAN(XalanTransformer)
]],
[[
XMLPlatformUtils::Initialize();
XalanTransformer::initialize();
]]
)],
[
XALAN_LDFLAGS="$xalan_ldflags $XERCES_LDFLAGS"
XALAN_LIBS="$xalan_libs $XERCES_LIBS"
xalan_lib_found="yes"
AC_MSG_RESULT([found])
],
[
xalan_lib_found="no"
AC_MSG_RESULT([not found])
]
)
AC_LANG_POP([C++])
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
fi
AC_MSG_CHECKING([for Xalan C++ XSLT processor])
if test "$run_xalan_test" = "yes"; then
if test "$xalan_header_found" = "yes" -a "$xalan_lib_found" = "yes"; then
AC_SUBST([XALAN_CPPFLAGS])
AC_SUBST([XALAN_LDFLAGS])
AC_SUBST([XALAN_LIBS])
HAVE_XALAN="yes"
else
HAVE_XALAN="no"
fi
AC_MSG_RESULT([$HAVE_XALAN])
dnl
dnl Check Xalan version
dnl
if test "$HAVE_XALAN" = "yes"; then
xalan_version_req=ifelse([$1], [], [], [$1])
if test -n "$xalan_version_req"; then
AC_MSG_CHECKING([if Xalan C++ XSLT processor version is >= $xalan_version_req])
if test -f "$xalan_include_dir2/Include/XalanVersion.hpp"; then
xalan_major=`cat $xalan_include_dir2/Include/XalanVersion.hpp | \
grep '^#define.*XALAN_VERSION_MAJOR.*[0-9]$' | \
sed -e 's/#define XALAN_VERSION_MAJOR.//'`
xalan_minor=`cat $xalan_include_dir2/Include/XalanVersion.hpp | \
grep '^#define.*XALAN_VERSION_MINOR.*[0-9]$' | \
sed -e 's/#define XALAN_VERSION_MINOR.//'`
xalan_revision=`cat $xalan_include_dir2/Include/XalanVersion.hpp | \
grep '^#define.*XALAN_VERSION_REVISION.*[0-9]$' | \
sed -e 's/#define XALAN_VERSION_REVISION.//'`
XALAN_VERSION="$xalan_major.$xalan_minor.$xalan_revision"
AC_SUBST([XALAN_VERSION])
dnl Decompose required version string and calculate numerical representation
xalan_version_req_major=`expr $xalan_version_req : '\([[0-9]]*\)'`
xalan_version_req_minor=`expr $xalan_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
xalan_version_req_revision=`expr $xalan_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
if test "x$xalan_version_req_revision" = "x"; then
xalan_version_req_revision="0"
fi
xalan_version_req_number=`expr $xalan_version_req_major \* 10000 \
\+ $xalan_version_req_minor \* 100 \
\+ $xalan_version_req_revision`
dnl Calculate numerical representation of detected version
xalan_version_number=`expr $xalan_major \* 10000 \
\+ $xalan_minor \* 100 \
\+ $xalan_revision`
xalan_version_check=`expr $xalan_version_number \>\= $xalan_version_req_number`
if test "$xalan_version_check" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_WARN([Found Xalan C++ XSLT processor $XALAN_VERSION, which is older than required. Possible compilation failure.])
fi
else
AC_MSG_RESULT([no])
AC_MSG_WARN([Missing header XalanVersion.hpp. Unable to determine Xalan version.])
fi
fi
fi
else
HAVE_XALAN="no"
AC_MSG_RESULT([$HAVE_XALAN])
if test "$xalan_requested" = "yes"; then
AC_MSG_WARN([Xalan C++ XSLT processor support requested but headers or library not found. Specify valid prefix of Xalan C++ using --with-xalan=@<:@DIR@:>@ or provide include directory and linker flags using --with-xalan-inc and --with-xalan-lib])
fi
fi
])
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