From b8c8f030371cd764fba5b84f2945adafa02c20a6 Mon Sep 17 00:00:00 2001
From: Martin Whitaker <icarus@martin-whitaker.me.uk>
Date: Sun, 29 Jan 2017 09:32:14 +0000
Subject: [PATCH] Add library search path option to iverilog-vpi (GitHub issue
 #145).

(cherry picked from commit 4e2ba29dc6f49b5b505e277ff2f0433666d9d007)
---
 iverilog-vpi.man.in | 9 +++++++--
 iverilog-vpi.sh     | 6 +++++-
 2 files changed, 12 insertions(+), 3 deletions(-)

diff --git a/iverilog-vpi.man.in b/iverilog-vpi.man.in
index 2f5f090b0..bd8f7a930 100644
--- a/iverilog-vpi.man.in
+++ b/iverilog-vpi.man.in
@@ -1,4 +1,4 @@
-.TH iverilog-vpi 1 "May 10th, 2015" "" "Version %M.%n%E"
+.TH iverilog-vpi 1 "Jan 29th, 2017" "" "Version %M.%n%E"
 .SH NAME
 iverilog-vpi - Compile front end for VPI modules
 
@@ -26,6 +26,11 @@ becomes \fIfoo.vpi\fP.
 Include the named library in the link of the VPI module. This allows
 VPI modules to further reference external libraries.
 
+.TP 8
+.B -L\fIdirectory\fP
+Add \fIdirectory\fP to the list of directories that will be searched
+for library files.
+
 .TP 8
 .B -I\fIdirectory\fP
 Add \fIdirectory\fP to the list of directories that will be searched
@@ -115,7 +120,7 @@ iverilog(1), vvp(1),
 
 .SH COPYRIGHT
 .nf
-Copyright \(co  2002\-2015 Stephen Williams
+Copyright \(co  2002\-2017 Stephen Williams
 
 This document can be freely redistributed according to the terms of the
 GNU General Public License version 2.0
diff --git a/iverilog-vpi.sh b/iverilog-vpi.sh
index d1554d420..3b918d7f0 100644
--- a/iverilog-vpi.sh
+++ b/iverilog-vpi.sh
@@ -35,6 +35,7 @@ CCSRC=
 CXSRC=
 OBJ=
 LIB=
+LIBDIR=
 OUT=
 INCOPT=
 DEFS=
@@ -81,6 +82,9 @@ do
     -l*) LIB="$LIB $parm"
 	 ;;
 
+    -L*) LIBDIR="$LIBDIR $parm"
+	 ;;
+
     -I*) INCOPT="$INCOPT $parm"
 	 ;;
 
@@ -148,4 +152,4 @@ then
 fi
 
 echo "Making $OUT from $OBJ..."
-exec $LD -o $OUT $LDFLAGS $OBJ $LIB $LDLIBS
+exec $LD -o $OUT $LDFLAGS $LIBDIR $OBJ $LIB $LDLIBS