+
+if test "x$with_libperl" = "xyes"
+then
+ SAVE_CFLAGS=$CFLAGS
+ SAVE_LDFLAGS=$LDFLAGS
+ # trigger an error if Perl_load_module*() uses __attribute__nonnull__(3)
+ # (see issues #41 and #42)
+ CFLAGS="$CFLAGS $PERL_CFLAGS -Wall -Werror"
+ LDFLAGS="$LDFLAGS $PERL_LDFLAGS"
+
+ AC_CACHE_CHECK([for broken Perl_load_module()],
+ [have_broken_perl_load_module],
+ AC_LINK_IFELSE(
+ AC_LANG_PROGRAM(
+ [[
+#define PERL_NO_GET_CONTEXT
+#include <EXTERN.h>
+#include <perl.h>
+#include <XSUB.h>
+ ]],
+ [[
+ dTHX;
+ load_module (PERL_LOADMOD_NOIMPORT,
+ newSVpv ("Collectd::Plugin::FooBar", 24),
+ Nullsv);
+ ]]),
+ [have_broken_perl_load_module="no"],
+ [have_broken_perl_load_module="yes"]
+ )
+ )
+
+ AM_CONDITIONAL(HAVE_BROKEN_PERL_LOAD_MODULE,
+ test "x$have_broken_perl_load_module" = "xyes")
+
+ CFLAGS=$SAVE_CFLAGS
+ LDFLAGS=$SAVE_LDFLAGS
+fi