From f31585af9ec404b3fc63738d48d6e9bfb6e7db25 Mon Sep 17 00:00:00 2001
From: Russ Allbery <eagle@eyrie.org>
Date: Sun, 3 Jun 2018 17:36:30 -0700
Subject: Resync files with rra-c-util

Mostly comment and copyright changes, nothing that affects this
package.
---
 m4/perl.m4 | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

(limited to 'm4')

diff --git a/m4/perl.m4 b/m4/perl.m4
index 6080c3d..432913c 100644
--- a/m4/perl.m4
+++ b/m4/perl.m4
@@ -104,4 +104,14 @@ AC_DEFUN([RRA_LIB_PERL],
  rra_perl_core_libs=`echo "$rra_perl_core_libs" | sed 's/  *$//'`
  PERL_CPPFLAGS="$rra_perl_core_flags"
  PERL_LIBS="$rra_perl_core_libs"
- AC_MSG_RESULT([$PERL_LIBS])])
+ AC_MSG_RESULT([$PERL_LIBS])
+ rra_perl_save_CPPFLAGS="$CPPFLAGS"
+ rra_perl_save_LIBS="$LIBS"
+ CPPFLAGS="$PERL_CPPFLAGS $CPPFLAGS"
+ LIBS="$PERL_LIBS $LIBS"
+ AC_CHECK_HEADER([EXTERN.h], [],
+    [AC_MSG_FAILURE([unable to compile with EXTERN.h])])
+ AC_CHECK_FUNC([perl_alloc], [],
+    [AC_MSG_FAILURE([unable to link with Perl library])])
+ CPPFLAGS="$rra_perl_save_CPPFLAGS"
+ LIBS="$rra_perl_save_LIBS"])
-- 
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