From f6a2706a8c2d48b1ee1a4b374429ef627357f42e Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 6 Feb 2013 07:43:11 +0200
Subject: Fix incorrect AC_LANG_SOURCE quoting

Thanks to Hugo Mildenberger <Hugo.Mildenberger@web.de> for the patch.
---
 m4/libodb.m4  |  6 +++---
 m4/libpq.m4   | 12 ++++++------
 m4/threads.m4 |  6 +++---
 3 files changed, 12 insertions(+), 12 deletions(-)

(limited to 'm4')

diff --git a/m4/libodb.m4 b/m4/libodb.m4
index 6e282a6..7d3130b 100644
--- a/m4/libodb.m4
+++ b/m4/libodb.m4
@@ -31,8 +31,8 @@ fi
 save_LIBS="$LIBS"
 LIBS="-lodb $LIBS"
 
-CXX_LIBTOOL_LINK_IFELSE(
-AC_LANG_SOURCE([[
+CXX_LIBTOOL_LINK_IFELSE([
+AC_LANG_SOURCE([
 #include <odb/exception.hxx>
 
 void
@@ -60,7 +60,7 @@ main ()
   const char* m (g ());
   return m != 0;
 }
-]]),
+])],
 [libodb_found=yes])
 
 if test x"$libodb_found" = xno; then
diff --git a/m4/libpq.m4 b/m4/libpq.m4
index 302613f..a58f33f 100644
--- a/m4/libpq.m4
+++ b/m4/libpq.m4
@@ -18,8 +18,8 @@ AC_MSG_CHECKING([for libpq])
 save_LIBS="$LIBS"
 LIBS="-lpq $LIBS"
 
-CXX_LIBTOOL_LINK_IFELSE(
-AC_LANG_SOURCE([[
+CXX_LIBTOOL_LINK_IFELSE([
+AC_LANG_SOURCE([
 #include <libpq-fe.h>
 
 int
@@ -30,7 +30,7 @@ main ()
   PQfinish (conn);
   return 0;
 }
-]]),
+])],
 [
 libpq_found=yes
 ])
@@ -48,8 +48,8 @@ if test x"$libpq_found" = xno; then
       CPPFLAGS=-I`$pg_config --includedir`
       CPPFLAGS="$CPPFLAGS $save_CPPFLAGS"
 
-      CXX_LIBTOOL_LINK_IFELSE(
-AC_LANG_SOURCE([[
+      CXX_LIBTOOL_LINK_IFELSE([
+AC_LANG_SOURCE([
 #include <libpq-fe.h>
 
 int
@@ -60,7 +60,7 @@ main ()
   PQfinish (conn);
   return 0;
 }
-]]),
+])],
 [
 libpq_found=yes
 ])
diff --git a/m4/threads.m4 b/m4/threads.m4
index fce3f39..4cd4c05 100644
--- a/m4/threads.m4
+++ b/m4/threads.m4
@@ -36,8 +36,8 @@ if test x$threads = xcheck; then
         #
         AC_MSG_CHECKING([for __thread keyword])
 
-        CXX_LIBTOOL_LINK_IFELSE(
-          AC_LANG_SOURCE([[
+        CXX_LIBTOOL_LINK_IFELSE([
+          AC_LANG_SOURCE([
             __thread int tls_var;
 
             int
@@ -45,7 +45,7 @@ if test x$threads = xcheck; then
             {
               tls_var = 0;
             }
-          ]]),
+          ])],
           [threads_thread_keyword=yes])
 
         AC_MSG_RESULT([$threads_thread_keyword])
-- 
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