From faff96d0f654a26161d9327acf8d31c0aa815a39 Mon Sep 17 00:00:00 2001
From: Amar Takhar <verm@aegisub.org>
Date: Mon, 24 Mar 2008 03:04:29 +0000
Subject: [PATCH] Add a run check for Perl support.

Originally committed to SVN as r2133.
---
 configure.in | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/configure.in b/configure.in
index f10060c00..3200b7e1c 100644
--- a/configure.in
+++ b/configure.in
@@ -608,11 +608,27 @@ if test -z "$perl_disabled"; then
       AC_MSG_CHECKING([$PERL_BIN libs])
       PERL_LDFLAGS=`$PERL_BIN -MExtUtils::Embed -eldopts`
       AC_MSG_RESULT([$PERL_LDFLAGS])
+
+      AC_AGI_COMPILE([Perl], [perl], [$PERL_CFLAGS], [$PERL_LDFLAGS],[
+#include <EXTERN.h>
+#include <perl.h>
+int main(int argc, char **argv) {
+  static PerlInterpreter *my_perl;
+  PERL_SYS_INIT3(&argc,&argv,&env);
+  my_perl = perl_alloc();
+  if (!my_perl) return 1;
+  return 0;
+}])
     fi
   fi
 fi
 
 
+if test "$agi_with_perl" = "no" && test "$with_perl" = "yes"; then
+  AC_MSG_WARN([Perl detected, but it doesn't work..])
+  with_perl="no"
+fi
+
 AC_SUBST(PERL_CFLAGS)
 AC_SUBST(PERL_LDFLAGS)