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authorDaniel Stenberg <daniel@haxx.se>2018-05-29 10:26:06 +0200
committerDaniel Stenberg <daniel@haxx.se>2018-05-29 15:41:14 +0200
commit5005ade2ce57e0e71439aa6639eb70414db949b8 (patch)
tree73423456c5b82060c5b11620d4ca4432b21bc119
parent954284f9192ccc9719e39970f39c7ac2d9090511 (diff)
downloadcurl-5005ade2ce57e0e71439aa6639eb70414db949b8.tar.gz
configure: override AR_FLAGS to silence warning
The automake default ar flags are 'cru', but the 'u' flag in there causes warnings on many modern Linux distros. Removing 'u' may have a minor performance impact on older distros but should not cause harm. Explained on the automake mailing list already back in April 2015: https://www.mail-archive.com/automake-patches@gnu.org/msg07705.html Reported-by: elephoenix on github Fixes #2617 Closes #2619
-rwxr-xr-xconfigure.ac3
1 files changed, 2 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac
index 69a185044..f5f4e7717 100755
--- a/configure.ac
+++ b/configure.ac
@@ -188,7 +188,8 @@ AC_CANONICAL_HOST
dnl Get system canonical name
AC_DEFINE_UNQUOTED(OS, "${host}", [cpu-machine-OS])
-dnl Checks for programs.
+# Silence warning: ar: 'u' modifier ignored since 'D' is the default
+AC_SUBST(AR_FLAGS, [cr])
dnl This defines _ALL_SOURCE for AIX
CURL_CHECK_AIX_ALL_SOURCE