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@@ -82,7 +82,7 @@
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# modified version of the Autoconf Macro, you may extend this special
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# exception to the GPL to apply to your modified version as well.
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-#serial 24
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+#serial 26
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AU_ALIAS([ACX_PTHREAD], [AX_PTHREAD])
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AC_DEFUN([AX_PTHREAD], [
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@@ -371,7 +371,13 @@ for ax_pthread_try_flag in $ax_pthread_flags; do
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# if $ax_pthread_check_cond
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# error "$ax_pthread_check_macro must be defined"
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# endif
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- static void routine(void *a) { a = 0; }
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+ static void *some_global = NULL;
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+ static void routine(void *a)
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+ {
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+ /* To avoid any unused-parameter or
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+ unused-but-set-parameter warning. */
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+ some_global = a;
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+ }
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static void *start_routine(void *a) { return a; }],
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[pthread_t th; pthread_attr_t attr;
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pthread_create(&th, 0, start_routine, 0);
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@@ -438,7 +444,8 @@ if test "x$ax_pthread_ok" = "xyes"; then
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AC_CACHE_CHECK([for PTHREAD_PRIO_INHERIT],
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[ax_cv_PTHREAD_PRIO_INHERIT],
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[AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <pthread.h>]],
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- [[int i = PTHREAD_PRIO_INHERIT;]])],
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+ [[int i = PTHREAD_PRIO_INHERIT;
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+ return i;]])],
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[ax_cv_PTHREAD_PRIO_INHERIT=yes],
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[ax_cv_PTHREAD_PRIO_INHERIT=no])
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])
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Christian Grothoff