From 4c79eaf0668faea8261457ba1a655dc6ed104e28 Mon Sep 17 00:00:00 2001
From: Vladimir Volovich <vvv@vsu.ru>
Date: Sun, 20 Apr 2008 06:29:52 +0000
Subject: configure.ac: check (also) for regex.h; fail if one of the required
 headers is not found

git-svn-id: svn://tug.org/texlive/trunk@7540 c570f23f-e606-0410-a88d-b1316a301751
---
 Build/source/utils/xindy/configure    | 7 ++++++-
 Build/source/utils/xindy/configure.ac | 2 +-
 2 files changed, 7 insertions(+), 2 deletions(-)

(limited to 'Build/source/utils/xindy')

diff --git a/Build/source/utils/xindy/configure b/Build/source/utils/xindy/configure
index fbd0e2184d2..86c66d5cfd4 100755
--- a/Build/source/utils/xindy/configure
+++ b/Build/source/utils/xindy/configure
@@ -4632,7 +4632,8 @@ done
 
 
 
-for ac_header in stdlib.h string.h
+
+for ac_header in stdlib.h string.h regex.h
 do
 as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
 if { as_var=$as_ac_Header; eval "test \"\${$as_var+set}\" = set"; }; then
@@ -4772,6 +4773,10 @@ if test `eval echo '${'$as_ac_Header'}'` = yes; then
 #define `echo "HAVE_$ac_header" | $as_tr_cpp` 1
 _ACEOF
 
+else
+  { { echo "$as_me:$LINENO: error: required C header file is missing" >&5
+echo "$as_me: error: required C header file is missing" >&2;}
+   { (exit 1); exit 1; }; }
 fi
 
 done
diff --git a/Build/source/utils/xindy/configure.ac b/Build/source/utils/xindy/configure.ac
index 530a6397448..d9b23d6a692 100644
--- a/Build/source/utils/xindy/configure.ac
+++ b/Build/source/utils/xindy/configure.ac
@@ -111,7 +111,7 @@ AC_SUBST(LISP_RUN)
 
 # Checks for header files.
 AC_HEADER_STDC
-AC_CHECK_HEADERS([stdlib.h string.h])
+AC_CHECK_HEADERS([stdlib.h string.h regex.h],[],[AC_MSG_ERROR([required C header file is missing])])
 
 dnl check system type
 AC_CANONICAL_HOST
-- 
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