+# --with-liblvm2app {{{
+with_liblvm2app_cppflags=""
+with_liblvm2app_ldflags=""
+AC_ARG_WITH(liblvm2app, [AS_HELP_STRING([--with-liblvm2app@<:@=PREFIX@:>@], [Path to liblvm2app.])],
+[
+ if test "x$withval" != "xno" && test "x$withval" != "xyes"
+ then
+ with_liblvm2app_cppflags="-I$withval/include"
+ with_liblvm2app_ldflags="-L$withval/lib"
+ with_liblvm2app="yes"
+ else
+ with_liblvm2app="$withval"
+ fi
+],
+[
+ with_liblvm2app="yes"
+])
+if test "x$with_liblvm2app" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_liblvm2app_cppflags"
+
+ AC_CHECK_HEADERS(lvm2app.h, [with_liblvm2app="yes"], [with_liblvm2app="no (lvm2app.h not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+fi
+
+if test "x$with_liblvm2app" = "xyes"
+then
+ SAVE_CPPFLAGS="$CPPFLAGS"
+ SAVE_LDFLAGS="$LDFLAGS"
+ CPPFLAGS="$CPPFLAGS $with_liblvm2app_cppflags"
+ LDFLAGS="$LDFLAGS $with_liblvm2app_ldflags"
+
+ AC_CHECK_LIB(lvm2app, lvm_init, [with_liblvm2app="yes"], [with_liblvm2app="no (Symbol 'lvm_init' not found)"])
+
+ CPPFLAGS="$SAVE_CPPFLAGS"
+ LDFLAGS="$SAVE_LDFLAGS"
+fi
+if test "x$with_liblvm2app" = "xyes"
+then
+ BUILD_WITH_LIBLVM2APP_CPPFLAGS="$with_liblvm2app_cppflags"
+ BUILD_WITH_LIBLVM2APP_LDFLAGS="$with_liblvm2app_ldflags"
+ BUILD_WITH_LIBLVM2APP_LIBS="-llvm2app"
+ AC_SUBST(BUILD_WITH_LIBLVM2APP_CPPFLAGS)
+ AC_SUBST(BUILD_WITH_LIBLVM2APP_LDFLAGS)
+ AC_SUBST(BUILD_WITH_LIBLVM2APP_LIBS)
+ AC_DEFINE(HAVE_LIBLVM2APP, 1, [Define if liblvm2app is present and usable.])
+fi
+AM_CONDITIONAL(BUILD_WITH_LIBLVM2APP, test "x$with_liblvm2app" = "xyes")
+# }}}
+