From 74b32c3a5ce19bdfdeaf153e1143b41ad5a2ad3a Mon Sep 17 00:00:00 2001
From: tangxifan <tangxifan@gmail.com>
Date: Thu, 1 Dec 2022 11:42:25 -0800
Subject: [PATCH] [script] enable shared library for openfpga

---
 .github/workflows/build.yml |  1 +
 .gitignore                  |  3 ++-
 openfpga/CMakeLists.txt     | 23 +++++++++++++++++++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 504c5cc35..874c884df 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -149,6 +149,7 @@ jobs:
             build/vtr-verilog-to-routing/vpr/libvpr.a
             build/vtr-verilog-to-routing/vpr/vpr
             build/openfpga/libopenfpga.a
+            build/openfpga/libopenfpga_shared.so
             build/openfpga/openfpga
             yosys/install/share
             yosys/install/bin
diff --git a/.gitignore b/.gitignore
index e8bbaa599..ea68480ae 100644
--- a/.gitignore
+++ b/.gitignore
@@ -28,6 +28,7 @@ __pycache__/
 *.d
 *.o
 *.a
+*.so
 vpr7_x2p/vpr/vpr
 vpr7_x2p/printhandler/printhandlerdemo
 vpr7_x2p/libarchfpga/read_arch
@@ -52,4 +53,4 @@ vpr/vpr
 # Ignore temp directories
 node_modules
 package-lock.json
-/_*/ 
\ No newline at end of file
+/_*/ 
diff --git a/openfpga/CMakeLists.txt b/openfpga/CMakeLists.txt
index 9fd427144..81f68a566 100644
--- a/openfpga/CMakeLists.txt
+++ b/openfpga/CMakeLists.txt
@@ -11,6 +11,7 @@ files_to_dirs(LIB_HEADERS LIB_INCLUDE_DIRS)
 list(REMOVE_ITEM LIB_SOURCES ${EXEC_SOURCE})
 
 #Create the library
+#Static linked library for other C++ libraries
 add_library(libopenfpga STATIC
             ${LIB_HEADERS}
             ${LIB_SOURCES})
@@ -31,6 +32,28 @@ target_link_libraries(libopenfpga
                       libpugixml
                       libvpr)
 
+#Dynamic linked library for high-level interfaces, e.g., Tcl
+add_library(libopenfpga_shared SHARED
+            ${LIB_HEADERS}
+            ${LIB_SOURCES})
+target_include_directories(libopenfpga_shared PUBLIC ${LIB_INCLUDE_DIRS})
+set_target_properties(libopenfpga_shared PROPERTIES PREFIX "") #Avoid extra 'lib' prefix
+
+#Specify link-time dependancies
+target_link_libraries(libopenfpga_shared
+                      libarchopenfpga
+                      libopenfpgashell
+                      libopenfpgautil
+                      libfabrickey
+                      libfpgabitstream
+                      libini
+                      libpcf
+                      libvtrutil
+                      libbusgroup
+                      libpugixml
+                      libvpr)
+
+
 #Create the test executable
 add_executable(openfpga ${EXEC_SOURCE})
 target_link_libraries(openfpga libopenfpga)