From da9f02a381cdf35c9d801175909c4d6ac1b87abb Mon Sep 17 00:00:00 2001
From: Neil Alexander <neilalexander@users.noreply.github.com>
Date: Mon, 6 Jan 2020 19:34:03 +0000
Subject: [PATCH] Add -p for PIE builds, preserve environment LDFLAGS

---
 build | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/build b/build
index 68dac037..6b355c00 100755
--- a/build
+++ b/build
@@ -6,10 +6,10 @@ PKGSRC=${PKGSRC:-github.com/yggdrasil-network/yggdrasil-go/src/version}
 PKGNAME=${PKGNAME:-$(sh contrib/semver/name.sh)}
 PKGVER=${PKGVER:-$(sh contrib/semver/version.sh --bare)}
 
-LDFLAGS="-X $PKGSRC.buildName=$PKGNAME -X $PKGSRC.buildVersion=$PKGVER"
+LDFLAGS="$LDFLAGS -X $PKGSRC.buildName=$PKGNAME -X $PKGSRC.buildVersion=$PKGVER"
 ARGS="-v"
 
-while getopts "uaitc:l:dro:" option
+while getopts "uaitc:l:dro:p" option
 do
   case "$option"
   in
@@ -22,6 +22,7 @@ do
   d) ARGS="$ARGS -tags debug" DEBUG=true;;
   r) ARGS="$ARGS -race";;
   o) ARGS="$ARGS -o $OPTARG";;
+  p) ARGS="$ARGS -buildmode=pie";;
   esac
 done