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# ===========================================================================
# https://www.gnu.org/software/autoconf-archive/ax_lib_xerces.html
# ===========================================================================
#
# SYNOPSIS
#
# AX_LIB_XERCES([MINIMUM-VERSION])
#
# DESCRIPTION
#
# This macro provides tests of availability of Apache Xerces C++ Parser of
# particular version or newer. This macros checks for Apache Xerces C++
# Parser headers and libraries and defines compilation flags
#
# Macro supports following options and their values:
#
# 1) Single-option usage:
#
# --with-xerces - yes, no or path to Xerces installation prefix
#
# 2) Three-options usage (all options are required):
#
# --with-xerces=yes
# --with-xerces-inc - path to base directory with Xerces headers
# --with-xerces-lib - linker flags for Xerces
#
# This macro calls:
#
# AC_SUBST(XERCES_CFLAGS)
# AC_SUBST(XERCES_LDFLAGS)
# AC_SUBST(XERCES_VERSION) - only if version requirement is used
#
# And sets:
#
# HAVE_XERCES
#
# LICENSE
#
# Copyright (c) 2008 Mateusz Loskot <mateusz@loskot.net>
#
# 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 11
AC_DEFUN([AX_LIB_XERCES],
[
AC_REQUIRE([AX_PTHREAD])
AC_ARG_WITH([xerces],
AS_HELP_STRING([--with-xerces=@<:@ARG@:>@],
[use Xerces C++ Parser from given prefix (ARG=path); check standard prefixes (ARG=yes); disable (ARG=no)]
),
[
if test "$withval" = "yes"; then
if test -d /usr/local/include/xercesc ; then
xerces_prefix=/usr/local
elif test -d /usr/include/xercesc ; then
xerces_prefix=/usr
else
xerces_prefix=""
fi
xerces_requested="yes"
elif test -d "$withval"; then
xerces_prefix="$withval"
xerces_requested="yes"
else
xerces_prefix=""
xerces_requested="no"
fi
],
[
dnl Default behavior is implicit yes
if test -d /usr/local/include/xercesc ; then
xerces_prefix=/usr/local
elif test -d /usr/include/xercesc ; then
xerces_prefix=/usr
else
xerces_prefix=""
fi
]
)
AC_ARG_WITH([xerces-inc],
AS_HELP_STRING([--with-xerces-inc=@<:@DIR@:>@],
[path to Xerces C++ Parser headers]
),
[xerces_include_dir="$withval"],
[xerces_include_dir=""]
)
AC_ARG_WITH([xerces-lib],
AS_HELP_STRING([--with-xerces-lib=@<:@ARG@:>@],
[link options for Xerces C++ Parser libraries]
),
[xerces_ldflags="$withval"],
[xerces_ldflags=""]
)
XERCES_CPPFLAGS=""
XERCES_LDFLAGS=""
XERCES_VERSION=""
dnl
dnl Collect include/lib paths and flags
dnl
run_xerces_test="no"
if test -n "$xerces_prefix"; then
xerces_include_dir="$xerces_prefix/include"
xerces_include_dir2="$xerces_prefix/include/xercesc"
xerces_ldflags="-L$xerces_prefix/lib"
run_xerces_test="yes"
elif test "$xerces_requested" = "yes"; then
if test -n "$xerces_include_dir" -a -n "$xerces_lib_flags"; then
xerces_include_dir2="$xerces_include_dir/xercesc"
run_xerces_test="yes"
fi
else
run_xerces_test="no"
fi
xerces_libs="-lxerces-c"
dnl
dnl Check Xerces C++ Parser files
dnl
if test "$run_xerces_test" = "yes"; then
saved_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS -I$xerces_include_dir -I$xerces_include_dir2"
saved_LDFLAGS="$LDFLAGS"
LDFLAGS="$LDFLAGS $xerces_ldflags $PTHREAD_LDFLAGS"
saved_LIBS="$LIBS"
LIBS="$xerces_libs $PTHREAD_LIBS $LIBS"
dnl
dnl Check Xerces headers
dnl
AC_MSG_CHECKING([for Xerces C++ Parser headers in $xerces_include_dir and $xerces_include_dir2])
AC_LANG_PUSH([C++])
AC_COMPILE_IFELSE([
AC_LANG_PROGRAM(
[[
@%:@include <xercesc/util/XercesDefs.hpp>
@%:@include <xercesc/util/PlatformUtils.hpp>
]],
[[]]
)],
[
XERCES_CPPFLAGS="-I$xerces_include_dir -I$xerces_include_dir2"
xerces_header_found="yes"
AC_MSG_RESULT([found])
],
[
xerces_header_found="no"
AC_MSG_RESULT([not found])
]
)
AC_LANG_POP([C++])
dnl
dnl Check Xerces libraries
dnl
if test "$xerces_header_found" = "yes"; then
AC_MSG_CHECKING([for Xerces C++ Parser libraries])
AC_LANG_PUSH([C++])
AC_LINK_IFELSE([
AC_LANG_PROGRAM(
[[
@%:@include <xercesc/util/XercesDefs.hpp>
@%:@include <xercesc/util/PlatformUtils.hpp>
#if (_XERCES_VERSION >= 20200)
XERCES_CPP_NAMESPACE_USE
#endif
]],
[[
XMLPlatformUtils::Initialize();
]]
)],
[
XERCES_LDFLAGS="$xerces_ldflags $PTHREAD_LDFLAGS"
XERCES_LIBS="$xerces_libs $PTHREAD_LIBS"
xerces_lib_found="yes"
AC_MSG_RESULT([found])
],
[
xerces_lib_found="no"
AC_MSG_RESULT([not found])
]
)
AC_LANG_POP([C++])
fi
CPPFLAGS="$saved_CPPFLAGS"
LDFLAGS="$saved_LDFLAGS"
LIBS="$saved_LIBS"
fi
AC_MSG_CHECKING([for Xerces C++ Parser])
if test "$run_xerces_test" = "yes"; then
if test "$xerces_header_found" = "yes" -a "$xerces_lib_found" = "yes"; then
AC_SUBST([XERCES_CPPFLAGS])
AC_SUBST([XERCES_LDFLAGS])
AC_SUBST([XERCES_LIBS])
HAVE_XERCES="yes"
else
HAVE_XERCES="no"
fi
AC_MSG_RESULT([$HAVE_XERCES])
dnl
dnl Check Xerces version
dnl
if test "$HAVE_XERCES" = "yes"; then
xerces_version_req=ifelse([$1], [], [], [$1])
if test -n "$xerces_version_req"; then
AC_MSG_CHECKING([if Xerces C++ Parser version is >= $xerces_version_req])
if test -f "$xerces_include_dir2/util/XercesVersion.hpp"; then
xerces_major=`cat $xerces_include_dir2/util/XercesVersion.hpp | \
grep '^#define.*XERCES_VERSION_MAJOR.*[0-9]$' | \
sed -e 's/#define XERCES_VERSION_MAJOR.//'`
xerces_minor=`cat $xerces_include_dir2/util/XercesVersion.hpp | \
grep '^#define.*XERCES_VERSION_MINOR.*[0-9]$' | \
sed -e 's/#define XERCES_VERSION_MINOR.//'`
xerces_revision=`cat $xerces_include_dir2/util/XercesVersion.hpp | \
grep '^#define.*XERCES_VERSION_REVISION.*[0-9]$' | \
sed -e 's/#define XERCES_VERSION_REVISION.//'`
XERCES_VERSION="$xerces_major.$xerces_minor.$xerces_revision"
AC_SUBST([XERCES_VERSION])
dnl Decompose required version string and calculate numerical representation
xerces_version_req_major=`expr $xerces_version_req : '\([[0-9]]*\)'`
xerces_version_req_minor=`expr $xerces_version_req : '[[0-9]]*\.\([[0-9]]*\)'`
xerces_version_req_revision=`expr $xerces_version_req : '[[0-9]]*\.[[0-9]]*\.\([[0-9]]*\)'`
if test "x$xerces_version_req_revision" = "x"; then
xerces_version_req_revision="0"
fi
xerces_version_req_number=`expr $xerces_version_req_major \* 10000 \
\+ $xerces_version_req_minor \* 100 \
\+ $xerces_version_req_revision`
dnl Calculate numerical representation of detected version
xerces_version_number=`expr $xerces_major \* 10000 \
\+ $xerces_minor \* 100 \
\+ $xerces_revision`
xerces_version_check=`expr $xerces_version_number \>\= $xerces_version_req_number`
if test "$xerces_version_check" = "1"; then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_WARN([Found Xerces C++ Parser $XERCES_VERSION, which is older than required. Possible compilation failure.])
fi
else
AC_MSG_RESULT([no])
AC_MSG_WARN([Missing header XercesVersion.hpp. Unable to determine Xerces version.])
fi
fi
fi
else
HAVE_XERCES="no"
AC_MSG_RESULT([$HAVE_XERCES])
if test "$xerces_requested" = "yes"; then
AC_MSG_WARN([Xerces C++ Parser support requested but headers or library not found. Specify valid prefix of Xerces C++ using --with-xerces=@<:@DIR@:>@ or provide include directory and linker flags using --with-xerces-inc and --with-xerces-lib])
fi
fi
])
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