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changeset 12993:e6ab76eb5d57

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Fix compilation error when modules 'posix_spawn[p]' are not used.
author Bruno Haible <bruno@clisp.org>
date Sun, 14 Mar 2010 20:12:57 +0100
parents 4ca54426154c
children d63de5fca804
files ChangeLog m4/posix_spawn.m4 m4/spawn_h.m4
diffstat 3 files changed, 13 insertions(+), 4 deletions(-) [+]
line wrap: on
line diff
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2010-03-14  Bruno Haible  <bruno@clisp.org>
+
+	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.
+
 2010-03-14  Bruno Haible  <bruno@clisp.org>
 
 	Fix compilation error on mingw when module 'time_r' is not used.
--- a/m4/posix_spawn.m4
+++ b/m4/posix_spawn.m4
@@ -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
 ])
 
--- a/m4/spawn_h.m4
+++ b/m4/spawn_h.m4
@@ -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