+],
+[
+ with_libperl="yes"
+])
+if test "x$with_libperl" = "xyes"
+then
+ SAVE_CFLAGS=$CFLAGS
+ SAVE_LDFLAGS=$LDFLAGS
+ PERL_CFLAGS=`$perl_interpreter -MExtUtils::Embed -e ccopts`
+ PERL_LDFLAGS=`$perl_interpreter -MExtUtils::Embed -e ldopts`
+ CFLAGS="$CFLAGS $PERL_CFLAGS"
+ LDFLAGS="$LDFLAGS $PERL_LDFLAGS"
+
+ AC_CACHE_CHECK([for libperl],
+ [have_libperl],
+ AC_LINK_IFELSE(
+ AC_LANG_PROGRAM(
+ [[
+#include <EXTERN.h>
+#include <perl.h>
+#include <XSUB.h>
+ ]],
+ [[
+ PerlInterpreter *perl = NULL;
+ Perl_load_module (perl, PERL_LOADMOD_NOIMPORT,
+ newSVpv ("Collectd::Plugin::FooBar", 24),
+ Nullsv);
+ ]]),
+ [have_libperl="yes"],
+ [have_libperl="no"]
+ )
+ )
+
+ if test "x$have_libperl" = "xyes"
+ then
+ AC_DEFINE(HAVE_LIBPERL, 1, [Define if libperl is present and usable.])
+ AC_SUBST(PERL_CFLAGS)
+ AC_SUBST(PERL_LDFLAGS)
+ else
+ with_libperl="no"
+ fi
+
+ CFLAGS=$SAVE_CFLAGS
+ LDFLAGS=$SAVE_LDFLAGS
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBPERL, test "x$with_libperl" = "xyes")
+
+AC_ARG_WITH(libiptc, [AS_HELP_STRING([--with-libiptc@<:@=PREFIX@:>@], [Path to libiptc.])],
+[
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"
+ then
+ LDFLAGS="$LDFLAGS -L$withval/lib"
+ CPPFLAGS="$CPPFLAGS -I$withval/include"
+ with_libiptc="yes"
+ fi
+],
+[
+ if test "x$ac_system" = "xLinux"
+ then
+ with_libiptc="yes"
+ else
+ with_libiptc="no (Linux only)"
+ fi
+])
+if test "x$with_libiptc" = "xyes"
+then
+ AC_CHECK_LIB(iptc, iptc_init,
+ [
+ AC_DEFINE(HAVE_LIBIPTC, 1, [Define to 1 if you have the iptc library (-liptc).])
+ ], [with_libiptc="no (libiptc not found)"])
+fi
+if test "x$with_libiptc" = "xyes"
+then
+ AC_CHECK_HEADERS(libiptc/libiptc.h,
+ [
+ AC_DEFINE(HAVE_LIBIPTC_LIBIPTC_H, 1, [Define to 1 if you have the <libiptc/libiptc.h> header file.])
+ ], [with_libiptc="no (libiptc/libiptc.h not found)"])
+fi
+if test "x$with_libiptc" = "xyes"
+then
+ collect_libiptc=1
+else
+ collect_libiptc=0
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBIPTC, test "x$with_libiptc" = "xyes")