From c59b2db038e98569c540b75a1b9b2a200d014198 Mon Sep 17 00:00:00 2001
From: James Cherry <cherry@parallaxsw.com>
Date: Tue, 12 Nov 2019 08:29:40 -0700
Subject: [PATCH] build swig outputs in /build

---
 .gitignore     |  1 -
 CMakeLists.txt | 10 ++++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index c6eddea7..2ab47d26 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,7 +22,6 @@ Makefile
 /util/StaConfig.hh
 
 # /app/
-/app/StaApp_wrap.cc
 /app/TclInitVar.cc
 /app/sta
 /app/sta.exe
diff --git a/CMakeLists.txt b/CMakeLists.txt
index cc5e26ec..39fd0ecd 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -60,10 +60,12 @@ message(STATUS "Install prefix: ${CMAKE_INSTALL_PREFIX}")
 #
 ################################################################
 
+set(STA_WRAP ${CMAKE_CURRENT_BINARY_DIR}/StaApp_wrap.cc)
+
 set(STA_SOURCE
   app/StaMain.cc
   app/TclInitVar.cc
-  app/StaApp_wrap.cc
+  ${STA_WRAP}
   
   dcalc/ArcDelayCalc.cc
   dcalc/ArnoldiDelayCalc.cc
@@ -634,9 +636,9 @@ add_flex_bison_dependency(SdfLex SdfParser)
 
 include(FindSWIG)
 
-add_custom_command(OUTPUT ${STA_HOME}/app/StaApp_wrap.cc
-  COMMAND ${SWIG_EXECUTABLE} -tcl8 -c++ -namespace -prefix sta -I${STA_HOME}/tcl -I${STA_HOME}/sdf -I${STA_HOME}/dcalc -I${STA_HOME}/parasitics -I${STA_HOME}/verilog -o ${STA_HOME}/app/StaApp_wrap.cc ${STA_HOME}/app/StaApp.i
-  COMMAND ${STA_HOME}/etc/SwigCleanup.tcl ${STA_HOME}/app/StaApp_wrap.cc
+add_custom_command(OUTPUT ${STA_WRAP}
+  COMMAND ${SWIG_EXECUTABLE} -tcl8 -c++ -namespace -prefix sta -I${STA_HOME}/tcl -I${STA_HOME}/sdf -I${STA_HOME}/dcalc -I${STA_HOME}/parasitics -I${STA_HOME}/verilog -o ${STA_WRAP} ${STA_HOME}/app/StaApp.i
+  COMMAND ${STA_HOME}/etc/SwigCleanup.tcl ${STA_WRAP}
   WORKING_DIRECTORY ${STA_HOME}
   DEPENDS ${STA_SWIG_FILES}
   )