From d17041e07619dc6df01a7d01b4ca5d757394d4ee Mon Sep 17 00:00:00 2001
From: Gwenhael Goavec-Merou <gwenhael.goavec-merou@trabucayre.com>
Date: Wed, 14 Dec 2022 21:46:08 +0100
Subject: [PATCH] build/nextpnr_wrapper,yosys_nextpnr_toolchain,yosys_wrapper:
 fix LF for windows (#1536)

---
 litex/build/lattice/radiant.py         | 2 +-
 litex/build/nextpnr_wrapper.py         | 4 ++--
 litex/build/xilinx/common.py           | 2 +-
 litex/build/yosys_nextpnr_toolchain.py | 3 ++-
 litex/build/yosys_wrapper.py           | 4 ++--
 5 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/litex/build/lattice/radiant.py b/litex/build/lattice/radiant.py
index 9cb54b730..0cce1d78d 100644
--- a/litex/build/lattice/radiant.py
+++ b/litex/build/lattice/radiant.py
@@ -203,7 +203,7 @@ class LatticeRadiantToolchain(GenericToolchain):
             fail_stmt = ""
 
         if self._synth_mode == "yosys":
-            script_contents += self._yosys.get_yosys_call(target="script")
+            script_contents += self._yosys.get_yosys_call(target="script") + "\n"
 
         script_contents += "{tool} {tcl_script}{fail_stmt}\n".format(
             tool = tool,
diff --git a/litex/build/nextpnr_wrapper.py b/litex/build/nextpnr_wrapper.py
index 7c865a8c2..451e2ec0e 100644
--- a/litex/build/nextpnr_wrapper.py
+++ b/litex/build/nextpnr_wrapper.py
@@ -85,7 +85,7 @@ class NextPNRWrapper():
         """
         cmd = "{pnr_name} --{in_fmt} {build_name}.{in_fmt} --{constr_fmt}" + \
             " {build_name}.{constr_fmt}" + \
-            " --{out_fmt} {build_name}.{out_ext} {pnr_opts}\n"
+            " --{out_fmt} {build_name}.{out_ext} {pnr_opts}"
         base_cmd = cmd.format(
             pnr_name   = self.name,
             build_name = self._build_name,
@@ -96,7 +96,7 @@ class NextPNRWrapper():
             pnr_opts   = self._pnr_opts
         )
         if target == "makefile":
-            return f"{self._build_name}.{self._out_format}:\n\t" + base_cmd
+            return f"{self._build_name}.{self._out_format}:\n\t" + base_cmd + "\n"
         elif target == "script":
             return base_cmd
         else:
diff --git a/litex/build/xilinx/common.py b/litex/build/xilinx/common.py
index ed6c7917c..fb40cd3df 100644
--- a/litex/build/xilinx/common.py
+++ b/litex/build/xilinx/common.py
@@ -452,4 +452,4 @@ def _build_yosys_project(platform, synth_opts="", build_name=""):
         synth_format = "edif"
     )
     yosys.build_script()
-    return yosys.get_yosys_call("script")
+    return yosys.get_yosys_call("script") + "\n"
diff --git a/litex/build/yosys_nextpnr_toolchain.py b/litex/build/yosys_nextpnr_toolchain.py
index e649b4612..1c637b94b 100644
--- a/litex/build/yosys_nextpnr_toolchain.py
+++ b/litex/build/yosys_nextpnr_toolchain.py
@@ -194,6 +194,7 @@ class YosysNextPNRToolchain(GenericToolchain):
             script_ext      = ".sh"
             script_contents = "# Autogenerated by LiteX / git: " + tools.get_litex_git_revision() + "\nset -e\n"
             fail_stmt       = ""
+        fail_stmt += "\n"
 
         # yosys call
         script_contents += self._yosys.get_yosys_call("script") + fail_stmt
@@ -201,7 +202,7 @@ class YosysNextPNRToolchain(GenericToolchain):
         script_contents += self._nextpnr.get_call("script") + fail_stmt
         # pre packer (command to use after PNR step and before packer step)
         for pre_packer in self._pre_packer_cmd:
-            script_contents += f"{pre_packer} {self._pre_packer_opts[pre_packer]} {fail_stmt}\n"
+            script_contents += f"{pre_packer} {self._pre_packer_opts[pre_packer]} {fail_stmt}"
         # packer call
         script_contents += f"{self.packer_cmd} {self._packer_opts} {fail_stmt}"
 
diff --git a/litex/build/yosys_wrapper.py b/litex/build/yosys_wrapper.py
index bd85147bd..504bd9e5b 100644
--- a/litex/build/yosys_wrapper.py
+++ b/litex/build/yosys_wrapper.py
@@ -130,9 +130,9 @@ class YosysWrapper():
         =======
         str containing instruction and/or rule
         """
-        base_cmd = f"yosys -l {self._build_name}.rpt {self._build_name}.ys\n"
+        base_cmd = f"yosys -l {self._build_name}.rpt {self._build_name}.ys"
         if target == "makefile":
-            return f"{self._build_name}.{self._synth_format}:\n\t" + base_cmd
+            return f"{self._build_name}.{self._synth_format}:\n\t" + base_cmd + "\n"
         elif target == "script":
             return base_cmd
         else: