Until now, when pkg-config is missing, Autoconf emitted this error:
error: possibly undefined macro: PKG_CHECK_MODULES
This commit changes the message to:
error: Please install pkg-config.
This should be easier for users to interpret.
Suggested-by: Ethan Jackson <et...@nicira.com>
---
m4/openvswitch.m4 | 3 +--
1 files changed, 1 insertions(+), 2 deletions(-)
diff --git a/m4/openvswitch.m4 b/m4/openvswitch.m4
index 73db4bb..e9edc49 100644
--- a/m4/openvswitch.m4
+++ b/m4/openvswitch.m4
@@ -92,8 +92,7 @@ AC_DEFUN([OVS_CHECK_OPENSSL],
[ssl=check])
if test "$ssl" != false; then
- dnl Make sure that pkg-config is installed.
- m4_pattern_forbid([PKG_CHECK_MODULES])
+ m4_ifndef([PKG_CHECK_MODULES], [m4_fatal([Please install pkg-config.])])
PKG_CHECK_MODULES([SSL], [openssl],
[HAVE_OPENSSL=yes],
[HAVE_OPENSSL=no
--
1.7.4.4
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