From 137c317cc654f9dc9245aabefca11c5711020c5a Mon Sep 17 00:00:00 2001
From: Howard Hinnant <howard.hinnant@gmail.com>
Date: Sat, 6 Aug 2016 14:57:47 -0400
Subject: [PATCH] Add INSTALL configuration.

---
 tz.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/tz.cpp b/tz.cpp
index 9fc0d82..fe75e32 100644
--- a/tz.cpp
+++ b/tz.cpp
@@ -207,8 +207,20 @@ static std::string get_install()
     return install;
 }
 
+#ifndef INSTALL
+
 static const std::string install = get_install();
 
+#else   // INSTALL
+
+#define STRINGIZEIMP(x) #x
+#define STRINGIZE(x) STRINGIZEIMP(x)
+
+static const std::string install = STRINGIZE(INSTALL) +
+                                   std::string(1, folder_delimiter) + "tzdata";
+
+#endif  // INSTALL
+
 static
 std::string
 get_download_gz_file(const std::string& version)