synlig: 2023.10.12 -> 2023-10-26

pkgs/development/compilers/yosys/plugins/synlig-makefile-for-nix.patch

···
-diff --git a/Makefile b/Makefile
-index 4c96ae7..9e1a2e3 100755
---- a/Makefile
-+++ b/Makefile
-@@ -3,7 +3,7 @@
- # Setup make itself.
- 
- .ONESHELL:
--override SHELL := /bin/bash
-+SHELL := bash
- override .SHELLFLAGS := -e -u -o pipefail -O nullglob -O extglob -O globstar -c
- 
- # Unset all default build- and recipe-related variables.
-@@ -315,7 +315,6 @@ endif
- GetTargetStructName = target[${1}]
- 
- makefiles_to_include := \
--	third_party/Build.*.mk \
- 	frontends/*/Build.mk \
- 	tests/*/Build.mk \
- 	lib/*/Build.mk
-diff --git a/frontends/systemverilog/Build.mk b/frontends/systemverilog/Build.mk
-index acd9cb6..c039994 100644
---- a/frontends/systemverilog/Build.mk
-+++ b/frontends/systemverilog/Build.mk
-@@ -1,6 +1,7 @@
- t       := systemverilog-plugin
- ts      := $(call GetTargetStructName,${t})
- out_dir := $(call GetTargetBuildDir,${t})
-+mod_dir := third_party/yosys_mod
- 
- cxx_is_clang := $(findstring clang,$(notdir ${CXX}))
- 
-@@ -13,9 +14,9 @@ ${ts}.sources := \
- 	${${ts}.src_dir}uhdm_ast_frontend.cc \
- 	${${ts}.src_dir}uhdm_common_frontend.cc \
- 	${${ts}.src_dir}uhdm_surelog_ast_frontend.cc \
--	${$(call GetTargetStructName,yosys).mod_dir}const2ast.cc \
--	${$(call GetTargetStructName,yosys).mod_dir}edif.cc \
--	${$(call GetTargetStructName,yosys).mod_dir}simplify.cc
-+	$(mod_dir)/const2ast.cc \
-+	$(mod_dir)/edif.cc \
-+	$(mod_dir)/simplify.cc
- 
- define ${ts}.env =
- export PKG_CONFIG_PATH=$(call ShQuote,${$(call GetTargetStructName,surelog).output_vars.PKG_CONFIG_PATH}$(if ${PKG_CONFIG_PATH},:${PKG_CONFIG_PATH}))
-@@ -35,8 +36,8 @@ endif
- endif
- 
- ${ts}.cxxflags = \
--	-I${$(call GetTargetStructName,yosys).src_dir} \
--	-I${$(call GetTargetStructName,yosys).mod_dir} \
-+	-I$(shell yosys-config --cxxflags) \
-+	-I$(mod_dir) \
- 	-D_YOSYS_ \
- 	-DYOSYS_ENABLE_PLUGINS \
- 	$(shell ${${ts}.env}; pkg-config --cflags Surelog) \
-@@ -55,7 +56,7 @@ ${ts}.ldflags = \
- 	$(shell ${${ts}.env}; pkg-config --libs-only-L Surelog) \
- 	${build_type_ldflags} \
- 	${LDFLAGS} \
--	-Wl,--export-dynamic
-+	$(shell yosys-config --ldflags --ldlibs)
- 
- ${ts}.ldlibs = \
- 	$(shell ${${ts}.env}; pkg-config --libs-only-l --libs-only-other Surelog) \

pkgs/development/compilers/yosys/plugins/synlig.nix

···
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "yosys-synlig";
-  version = "2023.10.12";  # Currently no tagged versions upstream
   plugin = "synlig";
 
+  # The module has automatic regular releases, with date + short git hash
+  GIT_VERSION = "2023-10-26-f0252f6";
+
+  # Derive our package version from GIT_VERSION, remove hash, just keep date.
+  version = builtins.concatStringsSep "-" (
+    lib.take 3 (builtins.splitVersion finalAttrs.GIT_VERSION));
+
   src = fetchFromGitHub {
-    owner  = "chipsalliance";
-    repo   = "synlig";
-    rev    = "c5bd73595151212c61709d69a382917e96877a14";
-    sha256 = "sha256-WJhf5gdZTCs3EeNocP9aZAh6EZquHgYOG/xiTo8l0ao=";
+    owner = "chipsalliance";
+    repo  = "synlig";
+    rev   = "${finalAttrs.GIT_VERSION}";
+    hash  = "sha256-BGZQbUcIImpz3SjFvMq3Pr1lseNLZnsMvpHy0IsICe4=";
     fetchSubmodules = false;  # we use all dependencies from nix
   };
-
-  patches = [
-    ./synlig-makefile-for-nix.patch  # Remove assumption submodules available.
-  ];
 
   nativeBuildInputs = [
     pkg-config
···
 
   buildPhase = ''
     runHook preBuild
-    make -j $NIX_BUILD_CORES build@systemverilog-plugin
+
+    # Remove assumptions that submodules are available.
+    rm -f third_party/Build.*.mk
+
+    # Create a stub makefile include that delegates the parameter-gathering
+    # to yosys-config
+    cat > third_party/Build.yosys.mk << "EOF"
+    t  := yosys
+    ts := ''$(call GetTargetStructName,''${t})
+
+    ''${ts}.src_dir   := ''$(shell yosys-config --datdir/include)
+    ''${ts}.mod_dir   := ''${TOP_DIR}third_party/yosys_mod/
+    EOF
+
+    make -j $NIX_BUILD_CORES build@systemverilog-plugin \
+            LDFLAGS="''$(yosys-config --ldflags --ldlibs)"
     runHook postBuild
   '';
 
-  # Very simple litmus test that the plugin can be loaded successfully.
+  # Check that the plugin can be loaded successfully and parse simple file.
   doCheck = true;
   checkPhase = ''
      runHook preCheck
+     echo "module litmustest(); endmodule;" > litmustest.sv
      yosys -p "plugin -i build/release/systemverilog-plugin/systemverilog.so;\
-               help read_systemverilog" | grep "Read SystemVerilog files using"
+               read_systemverilog litmustest.sv"
      runHook postCheck
   '';