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# LIBCURL_CHECK_CONFIG ([DEFAULT-ACTION], [MINIMUM-VERSION],
# [ACTION-IF-YES], [ACTION-IF-NO])
# ----------------------------------------------------------
# David Shaw <dshaw@jabberwocky.com> Jun-21-2005
#
# Checks for libcurl. DEFAULT-ACTION is the string yes or no to
# specify whether to default to --with-libcurl or --without-libcurl.
# If not supplied, DEFAULT-ACTION is yes. MINIMUM-VERSION is the
# minimum version of libcurl to accept. Pass the version as a regular
# version number like 7.10.1. If not supplied, any version is
# accepted. ACTION-IF-YES is a list of shell commands to run if
# libcurl was successfully found and passed the various tests.
# ACTION-IF-NO is a list of shell commands that are run otherwise.
# Note that using --without-libcurl does run ACTION-IF-NO.
#
# This macro defines HAVE_LIBCURL if a working libcurl setup is found,
# and sets @LIBCURL@ and @LIBCURL_CPPFLAGS@ to the necessary values.
# Other useful defines are LIBCURL_FEATURE_xxx where xxx are the
# various features supported by libcurl, and LIBCURL_PROTOCOL_yyy
# where yyy are the various protocols supported by libcurl. Both xxx
# and yyy are capitalized. See the list of AH_TEMPLATEs at the top of
# the macro for the complete list of possible defines. Shell
# variables $libcurl_feature_xxx and $libcurl_protocol_yyy are also
# defined to 'yes' for those features and protocols that were found.
# Note that xxx and yyy keep the same capitalization as in the
# curl-config list (e.g. it's "HTTP" and not "http").
#
# Users may override the detected values by doing something like:
# LIBCURL="-lcurl" LIBCURL_CPPFLAGS="-I/usr/myinclude" ./configure
#
# For the sake of sanity, this macro assumes that any libcurl that is
# found is after version 7.7.2, the first version that included the
# curl-config script. Note that it is very important for people
# packaging binary versions of libcurl to include this script!
# Without curl-config, we can only guess what protocols are available.
AC_DEFUN([CURLPP_CHECK_CONFIG],
[
LIBCURL_CHECK_CONFIG
if test x"$LIBCURL" != "x" ; then
AC_ARG_WITH(curlpp,
AC_HELP_STRING([--with-curlpp=DIR],[look for the curlpp library in DIR]),
[_curlpp_with=$withval],[_curlpp_with=ifelse([$1],,[yes],[$1])])
if test "$_curlpp_with" != "no" ; then
AC_PROG_AWK
_curlpp_version_parse="eval $AWK '{split(\$NF,A,\".\"); X=256*256*A[[1]]+256*A[[2]]+A[[3]]; print X;}'"
_curlpp_try_link=yes
if test -d "$_curlpp_with" ; then
CPPFLAGS="${CPPFLAGS} -I$withval/include"
LDFLAGS="${LDFLAGS} -L$withval/lib"
fi
AC_PATH_PROG([_curlpp_config],[curlpp-config])
if test x$_curlpp_config != "x" ; then
AC_CACHE_CHECK([for the version of curlpp],
[curlpp_cv_lib_curlpp_version],
[curlpp_cv_lib_curlpp_version=`$_curlpp_config --version | $AWK '{print $[]2}'`])
_curlpp_version=`echo $curlpp_cv_lib_curlpp_version | $_curlpp_version_parse`
_curlpp_wanted=`echo ifelse([$2],,[0],[$2]) | $_curlpp_version_parse`
if test $_curlpp_wanted -gt 0 ; then
AC_CACHE_CHECK([for curlpp >= version $2],
[curlpp_cv_lib_version_ok],
[
if test $_curlpp_version -ge $_curlpp_wanted ; then
curlpp_cv_lib_version_ok=yes
else
curlpp_cv_lib_version_ok=no
fi
])
fi
if test $_curlpp_wanted -eq 0 || test x$curlpp_cv_lib_version_ok = xyes ; then
if test x"$CURLPP_CPPFLAGS" = "x" ; then
CURLPP_CPPFLAGS=`$_curlpp_config --cflags`
fi
if test x"$CURLPP" = "x" ; then
CURLPP=`$_curlpp_config --libs`
fi
else
_curlpp_try_link=no
fi
unset _curlpp_wanted
fi
if test $_curlpp_try_link = yes ; then
# we didn't find curl-config, so let's see if the user-supplied
# link line (or failing that, "-lcurl") is enough.
CURLPP=${CURLPP-"-lcurl"}
AC_CACHE_CHECK([whether curlpp is usable],
[curlpp_cv_lib_curlpp_usable],
[
_curlpp_save_cppflags=$CPPFLAGS
CPPFLAGS="$CPPFLAGS $CURLPP_CPPFLAGS"
_libcurl_save_libs=$LIBS
LIBS="$LIBS $CURLPP"
AC_LINK_IFELSE(AC_LANG_PROGRAM([#include <curlpp/cURLpp.hpp>],[
/* Try and use a few common options to force a failure if we are
missing symbols or can't link. */
int x;
cURLpp::initialize();
]),curlpp_cv_lib_curlpp_usable=yes,curlpp_cv_lib_curlpp_usable=no)
CPPFLAGS=$_curlpp_save_cppflags
LIBS=$_curlpp_save_libs
unset _curlpp_save_cppflags
unset _curlpp_save_libs
])
if test $curlpp_cv_lib_curlpp_usable = yes ; then
AC_DEFINE(HAVE_CURLPP,1,
[Define to 1 if you have a functional curlpp library.])
AC_SUBST(CURLPP_CPPFLAGS)
AC_SUBST(CURLPP)
fi
fi
unset _curlpp_try_link
unset _curlpp_version_parse
unset _curlpp_config
unset _curlpp_feature
unset _curlpp_features
unset _curlpp_protocol
unset _curlpp_protocols
unset _curlpp_version
fi
if test x$_curlpp_with = xno || test x$libcurl_cv_lib_curl_usable != xyes ; then
# This is the IF-NO path
ifelse([$4],,:,[$4])
else
# This is the IF-YES path
ifelse([$3],,:,[$3])
fi
unset _curlpp_with
fi
])dnl
|
