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configure.ac
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configure.ac
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dnl -*- Mode: autoconf -*-
dnl
dnl configure.ac - autoconf file for Raptor
dnl (Process this file with autoconf to produce a configure script.)
dnl
dnl Copyright (C) 2000-2023 David Beckett https://www.dajobe.org/
dnl Copyright (C) 2000-2005 University of Bristol, UK https://www.bristol.ac.uk/
dnl
dnl This package is Free Software and part of Redland https://librdf.org/
dnl
dnl It is licensed under the following three licenses as alternatives:
dnl 1. GNU Lesser General Public License (LGPL) V2.1 or any newer version
dnl 2. GNU General Public License (GPL) V2 or any newer version
dnl 3. Apache License, V2.0 or any newer version
dnl
dnl You may not use this file except in compliance with at least one of
dnl the above three licenses.
dnl
dnl See LICENSE.html or LICENSE.txt at the top of this package for the
dnl complete terms and further detail along with the license texts for
dnl the licenses in COPYING.LIB, COPYING and LICENSE-2.0.txt respectively.
dnl
dnl
AC_PREREQ([2.62])
AC_INIT([Raptor RDF Parser and Serializer library], [2.0.17], [https://bugs.librdf.org/], [raptor2])
AC_CONFIG_SRCDIR([src/raptor_general.c])
AC_CONFIG_HEADERS([src/raptor_config.h])
AC_CONFIG_AUX_DIR(build)
AC_CONFIG_MACRO_DIR(build)
AM_INIT_AUTOMAKE([1.11 check-news std-options -Wobsolete -Wportability -Wsyntax -Wunsupported -Wextra-portability])
libxml_min_version=2.6.8
libxslt_min_version=1.0.18
libcurl_min_version=7.12.0
libcurl_min_vernum=071200
AC_REVISION($Revision: $)dnl
AM_MAINTAINER_MODE
release_version=no
AC_ARG_ENABLE(release, [ --enable-release Turn on optimizations (for maintainer). ], \
if test "$enableval" = "yes"; then \
release_version=yes
fi;)
AM_CONDITIONAL(RELEASE_VERSION, test $release_version = yes)
if test "$USE_MAINTAINER_MODE" = yes -a $release_version = no; then
dnl need to change quotes to allow square brackets
changequote(<<, >>)dnl
CFLAGS=`echo $CFLAGS | sed -e "s/-O[A-Za-z0-9]*//"`
CXXFLAGS=`echo $CXXFLAGS | sed -e "s/-O[A-Za-z0-9]*//"`
CPPFLAGS=`echo $CPPFLAGS | sed -e "s/-O[A-Za-z0-9]*//"`
changequote([, ])dnl
fi
RPM_RELEASE=SNAP
if test "$release_version" = "yes"; then
RPM_RELEASE=1
fi
AC_SUBST(RPM_RELEASE)
dnl Checks for programs.
AC_CANONICAL_HOST
AM_SANITY_CHECK
AM_PROG_AR
AC_PROG_CC
AM_PROG_CC_C_O
AC_MSG_CHECKING(whether $CC is clang)
CC_IS_CLANG=no
if $CC 2>&1 | grep clang >/dev/null 2>&1; then
CC_IS_CLANG=yes
else
:
fi
AC_MSG_RESULT($CC_IS_CLANG)
dnl Initialize libtool
LT_INIT
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
FLEX_MIN_VERSION=2.5.19
FLEX_REC_VERSION=2.5.36
# Do not want AM_PROG_LEX which adds 'missing' to LEX if it's not around
AC_PROG_LEX(noyywrap)
AC_MSG_CHECKING(flex)
if test "$USE_MAINTAINER_MODE" = yes; then
# maintainer mode - flex is required
if test "X$LEX" = "X:" ; then
AC_MSG_RESULT(not present)
AC_MSG_WARN(Please get flex from https://github.com/westes/flex)
AC_MSG_WARN(version $FLEX_MIN_VERSION ($FLEX_REC_VERSION recommended))
AC_MSG_FAILURE(flex not present)
fi
# some kind of lexer is present
if echo "$LEX" | grep flex >/dev/null 2>&1; then
# flex is present
FLEX_VERSION=`$LEX -V 2>&1 | $AWK '{print $2}'`
FLEX_VERSION_DEC=`echo $FLEX_VERSION | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
FLEX_MIN_VERSION_DEC=`echo $FLEX_MIN_VERSION | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
if test $FLEX_VERSION_DEC -ge $FLEX_MIN_VERSION_DEC; then
AC_MSG_RESULT($FLEX_VERSION - OK)
else
AC_MSG_RESULT(version $FLEX_VERSION - too old)
AC_MSG_WARN(Please get flex from https://github.com/westes/flex)
AC_MSG_WARN(version $FLEX_MIN_VERSION ($FLEX_REC_VERSION recommended))
AC_MSG_FAILURE(flex is too old)
fi
else
AC_MSG_RESULT(present - but is not flex)
AC_MSG_WARN(Please get flex from https://github.com/westes/flex)
AC_MSG_WARN(version $FLEX_MIN_VERSION ($FLEX_REC_VERSION recommended))
AC_MSG_FAILURE($LEX is not not flex)
fi
else
# not maintainer mode; flex is not required
AC_MSG_RESULT(not present - not required for non maintainer builds)
LEX="$SHELL $missing_dir/missing flex"
AC_SUBST(LEX_OUTPUT_ROOT, lex.yy)
AC_SUBST(LEXLIB, '')
FLEX_VERSION_DEC=00000
fi
AC_DEFINE_UNQUOTED(FLEX_VERSION_DECIMAL, $FLEX_VERSION_DEC, [Flex version as a decimal])
BISON_MIN_VERSION=3.4.0
BISON_REC_VERSION=3.7.2
BISON_MIN_VERSION_DEC=`echo $BISON_MIN_VERSION | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
if test "$USE_MAINTAINER_MODE" = yes; then
# Match these styles of versions
# GNU Bison version 1.28
# bison (GNU Bison) 1.875
AC_CACHE_CHECK([for GNU bison newer than $BISON_MIN_VERSION], [ac_cv_path_BISON],
[AC_PATH_PROGS_FEATURE_CHECK([BISON], [bison3 bison],
[[bison_version=`$ac_path_BISON --version 2>&1 | sed -ne 's/^.*GNU Bison[^0-9]*//p'`
bison_version_dec=`echo $bison_version | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
test "$bison_version_dec" -ge $BISON_MIN_VERSION_DEC \
&& ac_cv_path_BISON=$ac_path_BISON ac_cv_version_BISON=$bison_version ac_cv_version_dec_BISON=$bison_version_dec]],
[AC_MSG_ERROR([could not find new enough GNU Bison])])])
AC_MSG_NOTICE([Using GNU Bison $ac_cv_version_BISON ($ac_cv_version_dec_BISON) at $ac_cv_path_BISON])
else
# not maintainer mode, do not need bison
ac_cv_path_BISON=:
fi
AC_SUBST([BISON], [$ac_cv_path_BISON])
# Find a tar command for 'make dist'
AC_CHECK_PROGS(TAR, gnutar gtar tar)
AC_CHECK_PROGS(PERL, perl)
# Used in tests/feeds
AC_CHECK_PROGS(JING, jing)
AM_MISSING_PROG(ACLOCAL, aclocal, $missing_dir)
AM_MISSING_PROG(AUTOCONF, autoconf, $missing_dir)
AM_MISSING_PROG(AUTOMAKE, automake, $missing_dir)
AM_MISSING_PROG(AUTOHEADER, autoheader, $missing_dir)
AC_CHECK_PROGS(RECHO, echo)
RECHO_C=
RECHO_N=
case `$RECHO -n x` in
-n*)
case `$RECHO 'xy\c'` in
*c*)
;;
xy)
RECHO_C='\c'
;;
esac;;
*)
RECHO_N='-n'
;;
esac
dnl compiler checks
AC_DEFUN([REDLAND_CC_TRY_FLAG], [
AC_MSG_CHECKING([whether $CC supports $1])
## backup CFLAGS and werror status
redland_save_CFLAGS="$CFLAGS"
redland_save_ac_c_werror_flag="${ac_c_werror_flag}"
AC_LANG_WERROR
CFLAGS="$CFLAGS $1"
AC_COMPILE_IFELSE([AC_LANG_SOURCE([ ])], [redland_cc_flag=yes], [redland_cc_flag=no])
## restore CFLAGS and werror status
CFLAGS="$redland_save_CFLAGS"
ac_c_werror_flag="${redland_save_ac_c_werror_flag}"
if test "X$redland_cc_flag" = "Xyes"; then
ifelse([$2], , :, [$2])
else
ifelse([$3], , :, [$3])
fi
AC_MSG_RESULT($redland_cc_flag)
])
# GCC warning options
# https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html
#
# Too noisy:
# -Wmissing-field-initializers : too noisy in raptor_rss_common.c
# -Wsystem-headers : not debugging system
# -Wunused-parameter : variables can be marked __attribute__('unused')
possible_warnings="\
-std=c11 \
-Wall \
-Wc++-compat \
-Wextra \
-Wpedantic \
-Wunused \
\
-Waggregate-return \
-Wbad-function-cast \
-Wcast-align \
-Wdeclaration-after-statement \
-Wdisabled-optimization \
-Wdiv-by-zero \
-Wendif-labels \
-Werror-implicit-function-declaration \
-Wfloat-equal \
-Wformat=2 \
-Wframe-larger-than=4096 \
-Winit-self \
-Winline \
-Wmissing-declarations \
-Wmissing-format-attribute \
-Wmissing-noreturn \
-Wmissing-prototypes \
-Wnested-externs \
-Wold-style-definition \
-Wpacked \
-Wpointer-arith \
-Wredundant-decls \
-Wshadow \
-Wsign-compare \
-Wstrict-overflow \
-Wstrict-prototypes \
-Wswitch-enum \
-Wunreachable-code \
-Wunsafe-loop-optimizations \
-Wwrite-strings \
\
-Wno-missing-field-initializers \
-Wno-system-headers \
-Wno-unused-parameter \
-Wswitch-bool \
-Wlogical-not-parentheses \
-Wsizeof-array-argument \
-Wbool-compare \
-Wc90-c99-compat \
-Wc99-c11-compat \
"
extra_compiler_cflags=""
# compiler specific warnings
if test $CC_IS_CLANG = yes; then
# Always enable this for Clang
# -Wno-nullability-completeness : too noisy on OSX reporting
# warnings in stdio.h
extra_compiler_cflags="$extra_compiler_cflags \
-Wno-nullability-completeness \
"
fi
# OS specific warnings
case "${host_os}" in
darwin*)
# Apple gcc/clang specific:
# -Wshorten-64-to-32
possible_warnings="$possible_warnings \
-Wshorten-64-to-32 \
"
;;
*)
# -Wundef : too noisy on OSX 10.12+ e.g. stdio.h fails
possible_warnings="$possible_warnings \
-Wundef \
"
;;
esac
warning_cflags=
if test "$USE_MAINTAINER_MODE" = yes; then
AC_MSG_CHECKING(for supported $CC warning flags)
AC_MSG_RESULT($warning_cflags)
for warning in $possible_warnings; do
REDLAND_CC_TRY_FLAG([$warning], [warning_cflags="$warning_cflags $warning"])
done
AC_MSG_CHECKING($CC supports warning flags)
AC_MSG_RESULT($warning_cflags)
fi
if test "$USE_MAINTAINER_MODE" = yes; then
AC_DEFINE([MAINTAINER_MODE], [1], [Define to 1 if maintainer mode is enabled.])
CPPFLAGS="$warning_cflags $CPPFLAGS"
fi
# Extra compiler flags to always add
CPPFLAGS="$extra_compiler_cflags $CPPFLAGS"
dnl Checks for header files.
AC_CHECK_HEADERS(errno.h fcntl.h getopt.h limits.h setjmp.h stddef.h stdlib.h strings.h string.h sys/param.h sys/stat.h sys/time.h time.h unistd.h)
AC_CHECK_FUNCS(stat)
dnl FreeBSD fetch.h needs stdio.h and sys/param.h first
AC_CHECK_HEADERS(fetch.h,,,
[#include <stdio.h>
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
])
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_BIGENDIAN
AC_C_INLINE
AC_MSG_CHECKING(whether __FUNCTION__ is available)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([#include <stdio.h>
int main(void) { printf(__FUNCTION__); }])],
[AC_DEFINE([HAVE___FUNCTION__], [1], [Is __FUNCTION__ available])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
dnl need to change quotes to allow square brackets
changequote(<<, >>)dnl
version_major=`echo $VERSION | sed -e 's/^\([^\.]*\)\.\([^\.]*\)\.\(.*\)$/\1/'`
version_minor=`echo $VERSION | sed -e 's/^\([^\.]*\)\.\([^\.]*\)\.\(.*\)$/\2/'`
version_release=`echo $VERSION | sed -e 's/^\([^\.]*\)\.\([^\.]*\)\.\(.*\)$/\3/'`
changequote([, ])dnl
version_decimal=`expr $version_major \* 10000 + $version_minor \* 100 + $version_release`
# The minimum runtime API version that is supported. MUST be updated at
# an API break as well as changing the libtool version
min_version_decimal=20000
AC_DEFINE_UNQUOTED(RAPTOR_VERSION_MAJOR, $version_major, [Major version number])
AC_DEFINE_UNQUOTED(RAPTOR_VERSION_MINOR, $version_minor, [Minor version number])
AC_DEFINE_UNQUOTED(RAPTOR_VERSION_RELEASE, $version_release, [Release version number])
AC_DEFINE_UNQUOTED(RAPTOR_VERSION_DECIMAL, $version_decimal, [Release version as a decimal])
AC_DEFINE_UNQUOTED(RAPTOR_MIN_VERSION_DECIMAL, $min_version_decimal, [Minimum supported package version])
# for raptor-config.in
RAPTOR_VERSION_MAJOR=$version_major
RAPTOR_VERSION_MINOR=$version_minor
RAPTOR_VERSION_RELEASE=$version_release
RAPTOR_VERSION_DECIMAL=$version_decimal
AC_SUBST(RAPTOR_VERSION)
AC_SUBST(RAPTOR_VERSION_MAJOR)
AC_SUBST(RAPTOR_VERSION_MINOR)
AC_SUBST(RAPTOR_VERSION_RELEASE)
AC_SUBST(RAPTOR_VERSION_DECIMAL)
# Libtool versioning
#
# CURRENT
# The most recent interface number that this library implements.
#
# REVISION
# The implementation number of the CURRENT interface.
#
# AGE
# The difference between the newest and oldest interfaces that this
# library implements. In other words, the library implements all the
# interface numbers in the range from number `CURRENT - AGE' to
# `CURRENT'.
#
# Rules:
# 1. Start with version information of `0:0:0' for each libtool library.
#
# 2. Update the version information only immediately before a public
# release of your software. More frequent updates are unnecessary,
# and only guarantee that the current interface number gets larger
# faster.
#
# 3. If the library source code has changed at all since the last
# update, then increment REVISION (`C:R:A' becomes `C:r+1:A').
#
# 4. If any interfaces have been added, removed, or changed since the
# last update, increment CURRENT, and set REVISION to 0.
#
# 5. If any interfaces have been added since the last public release,
# then increment AGE.
#
# 6. If any interfaces have been removed since the last public release,
# then set AGE to 0.
#
# syntax: CURRENT[:REVISION[:AGE]]
RAPTOR_LIBTOOL_VERSION=0:0:0
AC_SUBST(RAPTOR_LIBTOOL_VERSION)
dnl Checks for library functions.
AC_CHECK_FUNCS(gettimeofday getopt getopt_long vsnprintf isascii setjmp qsort_r qsort_s stricmp strcasecmp)
AC_MSG_CHECKING(strtok_r)
have_strtok_r=no
AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#ifdef HAVE_STRING_H
#include <string.h>
#endif
int main(void) { return strtok_r(); }
])],
[AC_MSG_RESULT(yes)
have_strtok_r=yes
AC_DEFINE([HAVE_STRTOK_R], [1], [have the strtok_r function])],
[AC_MSG_RESULT(no)])
dnl librdfa
AM_CONDITIONAL([NEED_STRTOK_R], [test "$have_strtok_r" = "no"])
dnl Check for GNU extension functions
oCPPFLAGS="$CPPFLAGS"
CPPFLAGS="-D_GNU_SOURCE $CPPFLAGS"
AC_CHECK_FUNCS(vasprintf)
CPPFLAGS="$oCPPFLAGS"
AM_CONDITIONAL(STRCASECMP, test $ac_cv_func_strcasecmp = no -a $ac_cv_func_stricmp = no)
AM_CONDITIONAL(GETOPT, test $ac_cv_func_getopt = no -a $ac_cv_func_getopt_long = no)
AC_MSG_CHECKING(whether need to declare optind)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#ifdef HAVE_GETOPT_H
#include <getopt.h>
#endif]], [[int x=optind;]])],
[AC_MSG_RESULT(no)],
[AC_DEFINE([NEED_OPTIND_DECLARATION], [1], [need 'extern int optind' declaration?])
AC_MSG_RESULT(yes)])
if test $ac_cv_func_vsnprintf = yes; then
AC_MSG_CHECKING([whether vsnprintf has C99 compatible return value])
AC_RUN_IFELSE([AC_LANG_SOURCE([[#include <stdio.h>
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#include <stdarg.h>
static int is_c99(char *buf, char *s, ...) {
va_list args;
int r;
va_start(args, s);
r = vsnprintf(buf, buf ? 5 : 0, s, args);
va_end(args);
return (r == 7);
}
int main(void) {
char buffer[32];
return (is_c99(NULL, "1234567") ? 0 : 10)
+ (is_c99(buffer, "1234567") ? 0 : 1);
}]])],
[AC_DEFINE([HAVE_C99_VSNPRINTF], [1], [vsnprintf has C99 compatible return value])
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])],
[AC_DEFINE([CHECK_VSNPRINTF_RUNTIME], [1], [have to check C99 vsnprintf at runtime because cross compiling])])
fi
# Save LIBS
oLIBS="$LIBS"
RAPTOR_LDFLAGS=
AC_SYS_LARGEFILE
PKG_PROG_PKG_CONFIG
PKG_CONFIG_REQUIRES=
dnl libxml - required
AC_ARG_WITH(xml2-config, [ --with-xml2-config=PATH Location of libxml xml2-config []], xml2_config="$withval", xml2_config="")
if test "X$xml2_config" != "Xno" ; then
if test "X$xml2_config" != "X" ; then
AC_MSG_CHECKING(for $xml2_config)
if test -x $xml2_config ; then
XML_CONFIG=$xml2_config
AC_MSG_RESULT(yes)
else
AC_MSG_ERROR([xml2-config not found at specified path $xml2_config])
fi
fi
if test "X$XML_CONFIG" = "X" ; then
AC_CHECK_PROGS(XML_CONFIG, xml2-config)
fi
fi
libxml_source=no
if test "X$XML_CONFIG" != "X"; then
LIBXML_CFLAGS=`$XML_CONFIG --cflags`
LIBXML_LIBS=`$XML_CONFIG --libs`
CPPFLAGS="$LIBXML_CFLAGS $CPPFLAGS"
LIBS="$LIBS $LIBXML_LIBS"
AC_CHECK_FUNC(xmlCreatePushParserCtxt, have_xmlCreatePushParserCtxt=yes, have_xmlCreatePushParserCtxt=no)
AC_MSG_CHECKING(for libxml via xml2-config)
if test $have_xmlCreatePushParserCtxt = yes; then
libxml_source="xml2-config"
LIBXML_VERSION=`$XML_CONFIG --version`
fi
CPPFLAGS="$oCPPFLAGS"
LIBS="$oLIBS"
else
PKG_CHECK_MODULES([LIBXML],[libxml-2.0],[
LIBXML_VERSION=`$PKG_CONFIG libxml-2.0 --modversion`
libxml_source="pkg-config"
], [:])
AC_MSG_CHECKING(for libxml via pkg-config)
fi
if test "$libxml_source" != "no"; then
AC_MSG_RESULT(yes - $LIBXML_VERSION)
else
AC_MSG_RESULT(no - not found)
fi
dnl xslt
AC_ARG_WITH(xslt-config, [ --with-xslt-config=PATH Location of libxslt xslt-config []], xslt_config="$withval", xslt_config="")
if test "X$xslt_config" != "Xno" ; then
if test "X$xslt_config" != "X" ; then
AC_MSG_CHECKING(for $xslt_config)
if test -x $xslt_config ; then
XSLT_CONFIG=$xslt_config
AC_MSG_RESULT(yes)
else
AC_MSG_ERROR([xslt-config not found at specified path $xslt_config])
fi
fi
if test "X$XSLT_CONFIG" = "X" ; then
AC_CHECK_PROGS(XSLT_CONFIG, xslt-config)
fi
fi
if test "X$XSLT_CONFIG" != "X"; then
XSLT_CFLAGS=`$XSLT_CONFIG --cflags`
XSLT_LIBS=`$XSLT_CONFIG --libs`
CPPFLAGS="$XSLT_CFLAGS $CPPFLAGS"
LIBS="$LIBS $XSLT_LIBS"
AC_CHECK_FUNC(xsltSaveResultToString, have_xsltSaveResultToString=yes, have_xsltSaveResultToString=no)
AC_MSG_CHECKING(for libxslt via xslt-config)
if test $have_xsltSaveResultToString = yes; then
have_libxslt=1
LIBXSLT_VERSION=`$XSLT_CONFIG --version`
libxslt_version_dec=`echo $LIBXSLT_VERSION | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
libxslt_min_version_dec=`echo $libxslt_min_version | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + 3)};'`
AC_MSG_RESULT(yes - version $LIBXSLT_VERSION)
if test $libxslt_version_dec -lt $libxslt_min_version_dec; then
AC_MSG_WARN(Using libxslt $LIBXSLT_VERSION is unsupported - $libxslt_min_version or newer required.)
have_libxslt=0
fi
fi
AC_CHECK_FUNC(xsltInit)
AC_CHECK_HEADERS(libxslt/xslt.h)
if test "$ac_cv_header_libxslt_xslt_h" = no ; then
AC_MSG_WARN(libxslt library found but not headers - disabling)
have_libxslt_lib=0
have_libxslt=0
fi
CPPFLAGS="$oCPPFLAGS"
LIBS="$oLIBS"
else
PKG_CHECK_MODULES([XSLT], [libxslt > $libxslt_min_version], [have_libxslt=1], [have_libxslt=0])
fi
dnl curl
AC_ARG_WITH(curl-config, [ --with-curl-config=PATH Location of libcurl curl-config []], curl_config="$withval", curl_config="")
if test "X$curl_config" != "Xno" ; then
if test "X$curl_config" != "X" ; then
AC_MSG_CHECKING(for $curl_config)
if test -f $curl_config ; then
CURL_CONFIG=$curl_config
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no - searching PATH)
fi
fi
if test "X$CURL_CONFIG" = "X" ; then
AC_CHECK_PROGS(CURL_CONFIG, curl-config)
fi
fi
libcurl_source=no
if test "X$CURL_CONFIG" != "X"; then
LIBCURL_CFLAGS=`$CURL_CONFIG --cflags`
LIBCURL_LIBS=`$CURL_CONFIG --libs`
CPPFLAGS="$LIBCURL_CFLAGS $CPPFLAGS"
LIBS="$LIBS $LIBCURL_LIBS"
AC_CHECK_HEADER(curl/curl.h)
AC_CHECK_FUNC(curl_easy_init, have_curl_easy_init=yes, have_curl_easy_init=no)
AC_MSG_CHECKING(for libcurl via curl-config)
if test $have_curl_easy_init = yes; then
libcurl_source="curl-config"
LIBCURL_VERSION=`$CURL_CONFIG --version | sed -e 's/^libcurl *//'`
fi
CPPFLAGS="$oCPPFLAGS"
LIBS="$oLIBS"
else
PKG_CHECK_MODULES([LIBCURL],[libcurl],[
LIBCURL_VERSION=`$PKG_CONFIG libcurl --modversion`
libcurl_source="pkg-config"
], [:])
AC_MSG_CHECKING(for libcurl via pkg-config)
fi
if test "$libcurl_source" = "no"; then
AC_MSG_RESULT(no - not found)
else
AC_MSG_RESULT(yes - $LIBCURL_VERSION)
fi
PKG_CHECK_MODULES([ICU], [icu-uc], [
have_icu=yes
ICU_UC_VERSION=`$PKG_CONFIG icu-uc --modversion`
], [have_icu=no])
ICU_UC_MAJOR_VERSION=`echo "$ICU_UC_VERSION" | sed -e 's/\..*$//'`
AC_DEFINE_UNQUOTED(ICU_UC_MAJOR_VERSION, $ICU_UC_MAJOR_VERSION, [ICU UC major version])
AC_ARG_WITH(www-config, [ --with-libwww-config=PATH Location of W3C libwww libwww-config []], libwww_config="$withval", libwww_config="")
if test "X$libwww_config" != "Xno" -a "X$libwww_config" != "X" ; then
AC_MSG_WARN(libwww is no longer supported)
fi
have_libxml=0
need_libxml=0
oCPPFLAGS="$CPPFLAGS"
if test "X$libxml_source" != X; then
CPPFLAGS="$LIBXML_CFLAGS $CPPFLAGS"
LIBS="$LIBS $LIBXML_LIBS"
AC_CHECK_FUNC(xmlCreatePushParserCtxt, have_xmlCreatePushParserCtxt=yes, have_xmlCreatePushParserCtxt=no)
AC_MSG_CHECKING(libxml library)
if test $have_xmlCreatePushParserCtxt = yes; then
have_libxml=1
libxml_version_dec=`echo $LIBXML_VERSION | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
libxml_min_version_dec=`echo $libxml_min_version | $AWK -F. '{printf("%d\n", 10000*$1 + 100*$2 + $3)};'`
AC_MSG_RESULT(yes - version $LIBXML_VERSION)
if test $libxml_version_dec -lt $libxml_min_version_dec; then
AC_MSG_WARN(Using libxml $LIBXML_VERSION is unsupported - $libxml_min_version or newer required.)
have_libxml=0
fi
else
AC_MSG_RESULT(no)
fi
AC_CHECK_HEADERS(libxml/nanohttp.h)
AC_CHECK_HEADERS(libxml/parser.h)
AC_CHECK_HEADERS(libxml/hash.h libxml/SAX2.h,,,
[#ifdef HAVE_LIBXML_PARSER_H
#include <libxml/parser.h>
#endif
])
if test "$ac_cv_header_libxml_parser_h" = no -a "$ac_cv_header_gnome_xml_parser_h" = no; then
AC_MSG_WARN(libxml library found but not headers - disabling)
have_libxml=0
else
AC_MSG_CHECKING(if libxml xmlEntity has name_length field)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_LIBXML_PARSER_H
#include <libxml/parser.h>
#endif
]], [[xmlEntity foo; foo.name_length=0]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([RAPTOR_LIBXML_ENTITY_NAME_LENGTH], [1], [does libxml struct xmlEntity have a field name_length])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(if libxml xmlEntity has etype field)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_LIBXML_PARSER_H
#include <libxml/parser.h>
#endif
]], [[xmlEntity foo; foo.etype=0]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([RAPTOR_LIBXML_ENTITY_ETYPE], [1], [does libxml struct xmlEntity have a field etype])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(if libxml xmlSAXHandler has initialized field)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_LIBXML_PARSER_H
#include <libxml/parser.h>
#endif
]], [[xmlSAXHandler foo; foo.initialized=0]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([RAPTOR_LIBXML_XMLSAXHANDLER_INITIALIZED], [1], [does libxml xmlSAXHandler have initialized field])],
[AC_MSG_RESULT(no)])
AC_MSG_CHECKING(if libxml xmlSAXHandler has externalSubset field)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_LIBXML_PARSER_H
#include <libxml/parser.h>
#endif
]], [[xmlSAXHandler foo; foo.externalSubset=NULL]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([RAPTOR_LIBXML_XMLSAXHANDLER_EXTERNALSUBSET], [1], [does libxml xmlSAXHandler have externalSubset field])],
[AC_MSG_RESULT(no)])
AC_CHECK_FUNCS(xmlSAX2InternalSubset xmlCtxtUseOptions)
AC_MSG_CHECKING(if libxml has parser option XML_PARSE_NONET)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_LIBXML_PARSER_H
#include <libxml/parser.h>
#endif
]], [[xmlParserOption foo; foo = XML_PARSE_NONET]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([RAPTOR_LIBXML_XML_PARSE_NONET], [1], [does libxml have XML_PARSE_NONET])],
[AC_MSG_RESULT(no)])
AC_CHECK_HEADERS(libxml/HTMLparser.h)
AC_MSG_CHECKING(if libxml has parser option HTML_PARSE_NONET)
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#ifdef HAVE_LIBXML_HTMLPARSER_H
#include <libxml/HTMLparser.h>
#endif
]], [[htmlParserOption foo; foo = HTML_PARSE_NONET]])],
[AC_MSG_RESULT(yes)
AC_DEFINE([RAPTOR_LIBXML_HTML_PARSE_NONET], [1], [does libxml have HTML_PARSE_NONET])],
[AC_MSG_RESULT(no)])
fi
fi
CPPFLAGS="$oCPPFLAGS"
LIBS="$oLIBS"
dnl Check for JSON library
AC_ARG_WITH(yajl, [ --with-yajl=DIR YAJL installation directory or 'no' to disable (default=auto)], yajl_prefix="$withval", yajl_prefix="none")
if test "x$yajl_prefix" != "xno" ; then
AC_MSG_CHECKING(for yajl installation)
if test "x$yajl_prefix" = "xyes" ; then
yajl_prefix="none"
fi
# Nothing given - search
if test "X$yajl_prefix" = "Xnone" ; then
for dir in /opt/local /usr/local /usr; do
if test -r $dir/include/yajl/yajl_parse.h; then
yajl_prefix=$dir
break
fi
done
fi
if test "X$yajl_prefix" = "Xnone" ; then
AC_MSG_RESULT(not found. Get it from https://lloyd.github.com/yajl/ and use --with-yajl=DIR if necessary to configure the installation directory.)
else
AC_MSG_RESULT($yajl_prefix)
if test "$yajl_prefix" = "/usr"; then
yajl_prefix=
else
LDFLAGS="-L$yajl_prefix/lib $LDFLAGS"
CPPFLAGS="-I$yajl_prefix/include $CPPFLAGS"
fi
AC_CHECK_LIB(yajl, yajl_parse, libyajl=1, libyajl=0)
AC_CHECK_LIB(yajl, yajl_tree_parse, yajl_api_version=2, yajl_api_version=1)
AC_CHECK_HEADERS(yajl/yajl_parse.h)
AC_MSG_CHECKING(YAJL API version)
AC_MSG_RESULT($yajl_api_version)
if test $yajl_api_version = 2; then
AC_DEFINE_UNQUOTED(HAVE_YAJL2, 1, [YAJL has API version 2])
fi
fi
fi
CPPFLAGS="$oCPPFLAGS"
LIBS="$oLIBS"
dnl RDF Parsers
rdfxml_parser=no
ntriples_parser=no
turtle_parser=no
trig_parser=no
rss_parser=no
grddl_parser=no
guess_parser=yes
rdfa_parser=no
json_parser=no
nquads_parser=no
rdf_parsers_available="rdfxml ntriples turtle trig guess rss-tag-soup rdfa nquads"
rdf_parsers_enabled=
grddl_parser_ok=no
AC_MSG_CHECKING(GRDDL parser requirements)
if test $have_libxml = 1 -a $have_libxslt = 1; then
AC_MSG_RESULT(yes)
grddl_parser_ok=yes
rdf_parsers_available="$rdf_parsers_available grddl"
else
AC_MSG_RESULT(no - libxml2 and libxslt are both not available)
fi
json_parser_ok=no
AC_MSG_CHECKING(JSON parser requirements)
if test "X$ac_cv_header_yajl_yajl_parse_h" = Xyes -a "X$ac_cv_lib_yajl_yajl_parse" = Xyes; then
AC_MSG_RESULT(yes)
json_parser_ok=yes
rdf_parsers_available="$rdf_parsers_available json"
else
AC_MSG_RESULT(no - libyajl is not available)
fi
# This is needed because autoheader can't work out which computed
# symbols must be pulled from acconfig.h into config.h.in
if test "x" = "y"; then
AC_DEFINE(RAPTOR_PARSER_RDFXML, 1, [Building RDF/XML parser])
AC_DEFINE(RAPTOR_PARSER_NTRIPLES, 1, [Building N-Triples parser])
AC_DEFINE(RAPTOR_PARSER_TURTLE, 1, [Building Turtle parser])
AC_DEFINE(RAPTOR_PARSER_TRIG, 1, [Building TRiG parser])
AC_DEFINE(RAPTOR_PARSER_RSS, 1, [Building RSS Tag Soup parser])
AC_DEFINE(RAPTOR_PARSER_GRDDL, 1, [Building GRDDL parser])
AC_DEFINE(RAPTOR_PARSER_GUESS, 1, [Building guess parser])
AC_DEFINE(RAPTOR_PARSER_RDFA, 1, [Building RDFA parser])
AC_DEFINE(RAPTOR_PARSER_JSON, 1, [Building JSON parser])
AC_DEFINE(RAPTOR_PARSER_NQUADS, 1, [Building N-Quads parser])
fi
AC_MSG_CHECKING(RDF parsers required)
AC_ARG_ENABLE(parsers, [ --enable-parsers=LIST Use RDF parsers (default=all)], parsers="$enableval")
if test "X$parsers" = Xall -o "X$parsers" = X; then
parsers="$rdf_parsers_available"
AC_MSG_RESULT(all)
elif test "X$parsers" = Xnone; then
parsers=
AC_MSG_RESULT(none)
else
AC_MSG_RESULT($parsers)
fi
for parser in $parsers; do
p=$parser
if test $p = rss-tag-soup; then
p=rss
fi
if test $p = grddl; then
if test $grddl_parser_ok != yes; then
AC_MSG_WARN(GRDDL parser is not available)
continue
fi
fi
if test $p = json; then
if test $json_parser_ok != yes; then
AC_MSG_WARN(YAJL is not available)
continue
fi
fi
eval $p'_parser=yes'
NAME=`echo $p | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
n=RAPTOR_PARSER_${NAME}
AC_DEFINE_UNQUOTED($n)
rdf_parsers_enabled="$rdf_parsers_enabled $parser"
done
use_nfc=no
if test $rdfxml_parser = yes; then
need_libxml=1
use_nfc=yes
fi
if test $rss_parser = yes; then
need_libxml=1
fi
need_libxslt=0
if test $grddl_parser = yes; then
need_libxml=1
need_libxslt=1
fi
need_librdfa=no
if test $rdfa_parser = yes; then
need_libxml=1
need_librdfa=yes
fi
need_libyajl=0
if test $json_parser = yes; then
need_libyajl=1
fi
AM_CONDITIONAL(RAPTOR_PARSER_RDFXML, test $rdfxml_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_NTRIPLES, test $ntriples_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_TURTLE, test $turtle_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_TRIG, test $trig_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_RSS, test $rss_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_GRDDL, test $grddl_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_GUESS, test $guess_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_RDFA, test $rdfa_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_JSON, test $json_parser = yes)
AM_CONDITIONAL(RAPTOR_PARSER_NQUADS, test $nquads_parser = yes)
AM_CONDITIONAL(LIBRDFA, test $need_librdfa = yes)
dnl RDF Serializers
rdfxml_serializer=no
ntriples_serializer=no
rdfxml_abbrev_serializer=no
turtle_serializer=no
mkr_serializer=no
rss_1_0_serializer=no
atom_serializer=no
dot_serializer=no
html_serializer=no
json_serializer=no
nquads_serializer=no
rdf_serializers_available="rdfxml rdfxml-abbrev turtle mkr ntriples rss-1.0 dot html json atom nquads"
# This is needed because autoheader can't work out which computed
# symbols must be pulled from acconfig.h into config.h.in
if test "x" = "y"; then
AC_DEFINE(RAPTOR_SERIALIZER_RDFXML, 1, [Building RDF/XML serializer])
AC_DEFINE(RAPTOR_SERIALIZER_NTRIPLES, 1, [Building N-Triples serializer])
AC_DEFINE(RAPTOR_SERIALIZER_RDFXML_ABBREV, 1, [Building RDF/XML-abbreviated serializer])
AC_DEFINE(RAPTOR_SERIALIZER_TURTLE, 1, [Building Turtle serializer])
AC_DEFINE(RAPTOR_SERIALIZER_MKR, 1, [Building mKR serializer])
AC_DEFINE(RAPTOR_SERIALIZER_RSS_1_0, 1, [Building RSS 1.0 serializer])
AC_DEFINE(RAPTOR_SERIALIZER_ATOM, 1, [Building Atom 1.0 serializer])
AC_DEFINE(RAPTOR_SERIALIZER_DOT, 1, [Building GraphViz DOT serializer])
AC_DEFINE(RAPTOR_SERIALIZER_HTML, 1, [Building HTML Table serializer])
AC_DEFINE(RAPTOR_SERIALIZER_JSON, 1, [Building JSON serializer])
AC_DEFINE(RAPTOR_SERIALIZER_NQUADS, 1, [Building N-Quads serializer])
fi
AC_MSG_CHECKING(RDF serializers required)
AC_ARG_ENABLE(serializers, [ --enable-serializers=LIST Use RDF serializers (default=all)], serializers="$enableval")
if test "X$serializers" = Xall -o "X$serializers" = X; then
serializers="$rdf_serializers_available"
AC_MSG_RESULT(all)
elif test "X$serializers" = Xnone; then
serializers=
AC_MSG_RESULT(none)
else
AC_MSG_RESULT($serializers)
fi
for serializer in $serializers; do
s=`echo $serializer | tr '.-' '__'`
eval $s'_serializer=yes'
NAME=`echo $s | tr 'abcdefghijklmnopqrstuvwxyz' 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'`
n=RAPTOR_SERIALIZER_${NAME}
AC_DEFINE_UNQUOTED($n)
rdf_serializers_enabled="$rdf_serializers_enabled $serializer"
done
AM_CONDITIONAL(RAPTOR_SERIALIZER_RDFXML, test $rdfxml_serializer = yes)
AM_CONDITIONAL(RAPTOR_SERIALIZER_NTRIPLES, test $ntriples_serializer = yes)
AM_CONDITIONAL(RAPTOR_SERIALIZER_RDFXML_ABBREV, test $rdfxml_abbrev_serializer = yes)