#
#
# patch "m4/library.m4"
#  from [4c6a4ae8ea25b00d8c581bc896ff5dfa273b90fd]
#    to [8298549dfb8f51464134f2aef862983f205e1c4c]
#
============================================================
--- m4/library.m4	4c6a4ae8ea25b00d8c581bc896ff5dfa273b90fd
+++ m4/library.m4	8298549dfb8f51464134f2aef862983f205e1c4c
@@ -77,7 +77,7 @@ PKG_CHECK_MODULES([$1], [$1$_verreq], 
 # also ensures that the ARG_VARs for the desired library are sane.
 PKG_CHECK_MODULES([$1], [$1$_verreq], 
  [_notfound=false],
- [:])
+ [AC_MSG_RESULT([$1.pc not found])])
 fi
 
 # Third, try looking for alternative names known to pkg-config for