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 | |