Index: pinentry-0.7.2/configure.ac
===================================================================
--- pinentry-0.7.2.orig/configure.ac
+++ pinentry-0.7.2/configure.ac
@@ -116,11 +116,16 @@ dnl Checks for libsecmem.
 GNUPG_CHECK_TYPEDEF(byte, HAVE_BYTE_TYPEDEF)
 GNUPG_CHECK_TYPEDEF(ulong, HAVE_ULONG_TYPEDEF)
 
-AC_PATH_PROG(SETCAP, setcap, :, "$PATH:/sbin:/usr/sbin")
-AC_CHECK_LIB(cap, cap_set_proc, [
-  AC_DEFINE(USE_CAPABILITIES,1,[The capabilities support library is installed])
-  LIBCAP=-lcap
-])
+dnl Check for libcap
+AC_ARG_WITH([libcap], AC_HELP_STRING([--without-libcap], [Disable support for capabilities library]))
+
+if test "x$with_libcap" != "xno"; then
+  AC_PATH_PROG(SETCAP, setcap, :, "$PATH:/sbin:/usr/sbin")
+  AC_CHECK_LIB(cap, cap_set_proc, [
+    AC_DEFINE(USE_CAPABILITIES,1,[The capabilities support library is installed])
+    LIBCAP=-lcap
+  ])
+fi
 AC_SUBST(LIBCAP)
 
 dnl