| Andrew Geissler | 90fd73c | 2021-03-05 15:25:55 -0600 | [diff] [blame] | 1 | From efe7101786193eaddb749c0583af6b54aec6f289 Mon Sep 17 00:00:00 2001 | 
|  | 2 | From: Khem Raj <raj.khem@gmail.com> | 
|  | 3 | Date: Tue, 2 Feb 2021 18:45:16 -0800 | 
|  | 4 | Subject: [PATCH] configure: Conditionally undefine backend m4 macro | 
|  | 5 |  | 
|  | 6 | Unlike the M4 builtin, this macro fails if macro is not defined | 
|  | 7 | therefore recover the behavior of the builtin. | 
|  | 8 |  | 
|  | 9 | Upstream-Status: Pending | 
|  | 10 | Signed-off-by: Khem Raj <raj.khem@gmail.com> | 
|  | 11 | --- | 
|  | 12 | configure.ac | 2 +- | 
|  | 13 | 1 file changed, 1 insertion(+), 1 deletion(-) | 
|  | 14 |  | 
|  | 15 | diff --git a/configure.ac b/configure.ac | 
|  | 16 | index fe5054a..758f8c2 100644 | 
|  | 17 | --- a/configure.ac | 
|  | 18 | +++ b/configure.ac | 
|  | 19 | @@ -127,7 +127,7 @@ fi | 
|  | 20 | m4_set_foreach([crypto_backends], [backend], | 
|  | 21 | [AM_CONDITIONAL(m4_toupper(backend), test "$found_crypto" = "backend")] | 
|  | 22 | ) | 
|  | 23 | -m4_undefine([backend]) | 
|  | 24 | +m4_ifdef([backend], [m4_undefine([backend])]) | 
|  | 25 |  | 
|  | 26 |  | 
|  | 27 | # libz | 
|  | 28 | -- | 
|  | 29 | 2.30.0 | 
|  | 30 |  |