[patch #7552] Add check for PTHREAD_PRIO_INHERIT to ax_pthread

[Maarten Bosmans]

Follow-up Comment #6, patch #7552 (project autoconf-archive):

Here is the patch for the latest suggestion:

--- ax_pthread.m4.old   2011-06-16 19:31:18.549809899 +0200
+++ ax_pthread.m4       2011-06-16 19:44:01.933810275 +0200
@@ -33,6 +33,9 @@
 #   has a nonstandard name, defines PTHREAD_CREATE_JOINABLE to that name
 #   (e.g. PTHREAD_CREATE_UNDETACHED on AIX).
 #
+#   Also HAVE_PTHREAD_PRIO_INHERIT is defined if pthread is found and the
+#   PTHREAD_PRIO_INHERIT symbol is defined when compiling with
PTHREAD_CFLAGS.
+#
 #   ACTION-IF-FOUND is a list of shell commands to run if a threads library
 #   is found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it
 #   is not found. If ACTION-IF-FOUND is not specified, the default action
@@ -78,7 +81,7 @@
 #   modified version of the Autoconf Macro, you may extend this special
 #   exception to the GPL to apply to your modified version as well.
 
-#serial 13
+#serial 14
 
 AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
 AC_DEFUN([AX_PTHREAD], [
@@ -266,6 +269,8 @@
                     [ax_cv_PTHREAD_PRIO_INHERIT=yes],
                     [ax_cv_PTHREAD_PRIO_INHERIT=no])
             ])
+        AS_IF([test "x$ax_cv_PTHREAD_PRIO_INHERIT" = "xyes"],
+            AC_DEFINE([HAVE_PTHREAD_PRIO_INHERIT], 1, [Have
PTHREAD_PRIO_INHERIT.]))
 
         LIBS="$save_LIBS"
         CFLAGS="$save_CFLAGS"


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