Initial revision

1 files changed, 18 insertions, 0 deletions

diff --git a/acinclude.m4 b/acinclude.m4
new file mode 100644
index 0000000..c8913a0
--- /dev/null
+++ b/acinclude.m4
@@ -0,0 +1,18 @@
+dnl The AC_FUNC_SETPGRP macro doesn't
+dnl #include <unistd.h>, so it fails on OSF-1, where setpgrp
+dnl will happily accept arguments, but the protoype doesn't
+dnl have them.
+
+AC_DEFUN(RC_FUNC_SETPGRP, [
+	AC_CACHE_CHECK(for setpgrp that takes no arguments, ac_cv_func_setpgrp_void, AC_TRY_RUN([
+#include <unistd.h>
+/* If setpgrp() takes no arguments, this may fail to compile, but
+if it compiles the call should succeed.  */
+int main(void) {
+	return setpgrp(1,1) != -1;
+}
+	], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes, ac_cv_func_setpgrp_void=yes))
+	case "$ac_cv_func_setpgrp_void" in
+	yes) AC_DEFINE(SETPGRP_VOID) ;;
+	esac
+])