build: remove obsolete `AM_LIBTOOL_SILENT` variable

It doesn't do anything, so get rid of it.

Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Phil Sutter <phil@nwl.cc>

diff --git a/extensions/GNUmakefile.in b/extensions/GNUmakefile.in
index 40bcec7999ae5c96e793061f3670ea7354e83a80..53011fc8c2bb3a040b2dd621c5992015db282def 100644 (file)
--- a/extensions/GNUmakefile.in
+++ b/extensions/GNUmakefile.in
@@ -35,7 +35,6 @@ AM_DEPFLAGS     = -Wp,-MMD,$(@D)/.$(@F).d,-MT,$@
 AM_LDFLAGS      = @noundef_LDFLAGS@ @regular_LDFLAGS@
 
 ifeq (${V},)
-AM_LIBTOOL_SILENT = --silent
 AM_VERBOSE_CC     = @echo "  CC      " $@;
 AM_VERBOSE_CCLD   = @echo "  CCLD    " $@;
 AM_VERBOSE_CXX    = @echo "  CXX     " $@;