From: Josh Blum <josh@joshknows.com>
Date: Thu, 6 Oct 2016 22:06:09 +0000 (-0700)
Subject: Support relocated install with VOLK_PREFIX env var
X-Git-Tag: archive/raspbian/1.3-3+rpi1^2~12
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=e67f85fafe7ead300820a3df1a5fb59fc789e62a;p=volk.git

Support relocated install with VOLK_PREFIX env var

Some packaging systems such as snaps will install
the volk library to a dynamically chosen location.
The install script can set an evironment variable
so that the library reports the correct prefix.

Gbp-Pq: Name 0013-Support-relocated-install-with-VOLK_PREFIX-env-var.patch
---

diff --git a/lib/constants.c.in b/lib/constants.c.in
index 3839f53..a81c7cb 100644
--- a/lib/constants.c.in
+++ b/lib/constants.c.in
@@ -24,11 +24,14 @@
 #include <config.h>
 #endif
 
+#include <stdlib.h>
 #include <volk/constants.h>
 
 char*
 volk_prefix()
 {
+  const char *prefix = getenv("VOLK_PREFIX");
+  if (prefix != NULL) return (char *)prefix;
   return "@prefix@";
 }