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-rw-r--r--m4/macros/try_compile_rpc.m423
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diff --git a/m4/macros/try_compile_rpc.m4 b/m4/macros/try_compile_rpc.m4
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+dnl ######################################################################
+dnl Compile a program with RPC headers to try and find a feature.
+dnl The headers part are fixed. Only three arguments are allowed:
+dnl [$1] is the program to compile (2nd arg to AC_TRY_COMPILE)
+dnl [$2] action to take if the program compiled (3rd arg to AC_TRY_COMPILE)
+dnl [$3] action to take if program did not compile (4rd arg to AC_TRY_COMPILE)
+AC_DEFUN([AC_TRY_COMPILE_RPC],
+[# try to compile a program which may have a definition for a structure
+AC_TRY_COMPILE(
+[
+#ifdef HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif /* HAVE_SYS_TYPES_H */
+#ifdef HAVE_RPC_RPC_H
+# include <rpc/rpc.h>
+#endif /* HAVE_RPC_RPC_H */
+/* Prevent multiple inclusion on Ultrix 4 */
+#if defined(HAVE_RPC_XDR_H) && !defined(__XDR_HEADER__)
+# include <rpc/xdr.h>
+#endif /* defined(HAVE_RPC_XDR_H) && !defined(__XDR_HEADER__) */
+], [$1], [$2], [$3])
+])
+dnl ======================================================================