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posix_spawn fix


From: Bruno Haible
Subject: posix_spawn fix
Date: Sun, 14 Mar 2010 20:13:14 +0100
User-agent: KMail/1.9.9

Compiling a testdir for 'spawn' on mingw, I see this error:

../gllib/spawn.h:406: error: `POSIX_SPAWN_RESETIDS' undeclared here (not in a 
function)
../gllib/spawn.h:407: error: `POSIX_SPAWN_SETPGROUP' undeclared here (not in a 
function)
../gllib/spawn.h:407: error: `POSIX_SPAWN_SETSIGDEF' undeclared here (not in a 
function)
../gllib/spawn.h:408: error: `POSIX_SPAWN_SETSIGMASK' undeclared here (not in a 
function)

This fixes it.


2010-03-14  Bruno Haible  <address@hidden>

        Fix compilation error when modules 'posix_spawn[p]' are not used.
        * m4/spawn_h.m4 (gl_SPAWN_H): Set HAVE_POSIX_SPAWN here.
        * m4/posix_spawn.m4 (gl_POSIX_SPAWN_BODY): ... not here.

--- m4/spawn_h.m4.orig  Sun Mar 14 20:07:18 2010
+++ m4/spawn_h.m4       Sun Mar 14 20:05:19 2010
@@ -1,4 +1,4 @@
-# spawn_h.m4 serial 7
+# spawn_h.m4 serial 8
 dnl Copyright (C) 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -33,6 +33,11 @@
   fi
   AC_SUBST([HAVE_SPAWN_H])
 
+  AC_CHECK_FUNCS_ONCE([posix_spawn])
+  if test $ac_cv_func_posix_spawn != yes; then
+    HAVE_POSIX_SPAWN=0
+  fi
+
   AC_REQUIRE([AC_C_RESTRICT])
 
   dnl Check for declarations of anything we want to poison if the
--- m4/posix_spawn.m4.orig      Sun Mar 14 20:07:18 2010
+++ m4/posix_spawn.m4   Sun Mar 14 20:05:27 2010
@@ -1,4 +1,4 @@
-# posix_spawn.m4 serial 5
+# posix_spawn.m4 serial 6
 dnl Copyright (C) 2008-2010 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
@@ -69,8 +69,6 @@
         ;;
       *) REPLACE_POSIX_SPAWN=1 ;;
     esac
-  else
-    HAVE_POSIX_SPAWN=0
   fi
 ])
 




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