Autoconf modules I've made.

imported from: dustin@spy.net--projects/snippets--autoconf--1.0--patch-1

autoconf/pthread.m4

@@ -0,0 +1,50 @@
+dnl Copyright (c) 2002  Dustin Sallings <dustin@spy.net>
+dnl
+dnl $id$
+
+dnl Let's see if the threads actually work
+AC_DEFUN(SPY_PTHREAD, [
+AC_CACHE_CHECK([for working pthread], auth_cv_working_pthread, [
+AC_TRY_RUN([
+/* Need this for Solaris */
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
+#ifdef HAVE_PTHREAD_H
+#include <pthread.h>
+#endif /* HAVE_PTHREAD_H */
+
+void *thread_main(void *arg) {
+	exit(0);
+}
+
+int main(int argc, char **argv) {
+	pthread_t t;
+	/* If the thread actually executes, the program will exit 0 */
+	pthread_create(&t, NULL, thread_main, NULL);
+	sleep(2);
+	exit(1);
+}
+], [
+		dnl Test worked
+		auth_cv_working_pthread=yes
+	],
+	[
+		dnl Test failed
+		auth_cv_working_pthread=no
+	],
+	[
+		dnl Cross-compiling
+		auth_cv_working_pthread=no
+	]
+	)
+])
+
+if test "x$auth_cv_working_pthread" = "xyes"
+then
+	AC_DEFINE_UNQUOTED(WORKING_PTHREAD, 1)
+	AC_SUBST(WORKING_PTHREAD)
+fi])
+