diff --git a/build.lua b/build.lua
index 028e6f0ab..30da3e902 100644
--- a/build.lua
+++ b/build.lua
@@ -14,6 +14,7 @@ installable {
 		"lang/basic/src+pkg",
 		"lang/cem/cemcom.ansi+pkg",
 		"lang/m2/comp+pkg",
+		"lang/pc/comp+pkg",
 		"plat/pc86+pkg",
 		"util/ack+pkg",
 		"util/amisc+pkg",
diff --git a/lang/m2/comp/build.lua b/lang/m2/comp/build.lua
index b17eb31ff..fde8442ae 100644
--- a/lang/m2/comp/build.lua
+++ b/lang/m2/comp/build.lua
@@ -66,6 +66,7 @@ normalrule {
 	ins = {
 		"./make.next",
 		"./*.H",
+		"./*.C",
 	},
 	outleaves = { "next.c" },
 	commands = {
diff --git a/lang/pc/comp/build.lua b/lang/pc/comp/build.lua
new file mode 100644
index 000000000..8b058345b
--- /dev/null
+++ b/lang/pc/comp/build.lua
@@ -0,0 +1,137 @@
+normalrule {
+	name = "tokenfile_g",
+	ins = {
+		"./make.tokfile",
+		"./tokenname.c"
+	},
+	outleaves = { "tokenfile.g" },
+	commands = {
+		"sh %{ins[1]} < %{ins[2]} > %{outs}"
+	}
+}
+
+llgen {
+	name = "llgen",
+	srcs = {
+		-- order here is important
+		"+tokenfile_g",
+		"./*.g",
+	}
+}
+
+normalrule {
+	name = "parameters_h",
+	ins = {
+		"./make.parameters",
+		"./Parameters",
+	},
+	outleaves = { "parameters.h" },
+	commands = {
+		"sh %{ins[1]} < %{ins[2]} > %{outs}"
+	}
+}
+
+for _, f in ipairs(filenamesof("./*.H")) do
+	local name = replace(basename(f), "%.H$", "")
+	normalrule {
+		name = name.."_h",
+		ins = {
+			"./make.allocd",
+			f
+		},
+		outleaves = { name..".h" },
+		commands = {
+			"%{ins[1]} < %{ins[2]} > %{outs}"
+		}
+	}
+end
+
+for _, f in ipairs(filenamesof("./*.C")) do
+	local name = replace(basename(f), "%.C$", "")
+	normalrule {
+		name = name.."_c",
+		ins = {
+			"./make.allocd",
+			f
+		},
+		outleaves = { name..".c" },
+		commands = {
+			"%{ins[1]} < %{ins[2]} > %{outs}"
+		}
+	}
+end
+
+normalrule {
+	name = "next_c",
+	ins = {
+		"./make.next",
+		"./*.H",
+		"./*.C",
+	},
+	outleaves = { "next.c" },
+	commands = {
+		"sh %{ins} > %{outs}"
+	}
+}
+
+normalrule {
+	name = "symbol2str_c",
+	ins = {
+		"./make.tokcase",
+		"./tokenname.c",
+	},
+	outleaves = { "symbol2str.c" },
+	commands = {
+		"%{ins[1]} < %{ins[2]} > %{outs}"
+	}
+}
+
+tabgen {
+	name = "chartab_c",
+	srcs = { "./char.tab" },
+}
+
+cprogram {
+	name = "em_pc",
+	srcs = {
+		"./*.c",
+		"+casestat_c",
+		"+chartab_c",
+		"+next_c",
+		"+symbol2str_c",
+		"+tmpvar_c",
+		matching(filenamesof("+llgen"), "%.c$"),
+	},
+	deps = {
+		"+def_h",
+		"+desig_h",
+		"+llgen",
+		"+node_h",
+		"+parameters_h",
+		"+scope_h",
+		"+type_h",
+		"h+emheaders",
+		"modules+headers",
+		"modules/src/alloc+lib",
+		"modules/src/em_code+lib_k",
+		"modules/src/flt_arith+lib",
+		"modules/src/idf+lib",
+		"modules/src/input+lib",
+		"modules/src/string+lib",
+		"modules/src/system+lib",
+		"modules/src/print+lib",
+		"modules/src/em_mes+lib",
+		"util/data+em_data",
+	},
+	vars = {
+		["+cflags"] = "-DSTATIC=static"
+	}
+}
+
+installable {
+	name = "pkg",
+	map = {
+		["$(PLATDEP)/em_pc"] = "+em_pc",
+		["$(INSDIR)/share/man/man6/em_pc.6"] = "./em_pc.6"
+	}
+}
diff --git a/lang/pc/comp/make.parameters b/lang/pc/comp/make.parameters
new file mode 100755
index 000000000..3c9a515c5
--- /dev/null
+++ b/lang/pc/comp/make.parameters
@@ -0,0 +1,7 @@
+#!/bin/sh
+
+echo '#ifndef PARAMETERS_H'
+echo '#define PARAMETERS_H'
+grep -v '^!'
+echo '#endif'
+
diff --git a/plat/build.lua b/plat/build.lua
index 64bccf89d..8802ce636 100644
--- a/plat/build.lua
+++ b/plat/build.lua
@@ -16,6 +16,7 @@ definerule("ackfile",
 				"lang/cem/cemcom.ansi+pkg",
 				"lang/cem/cpp.ansi+pkg",
 				"lang/m2/comp+pkg",
+				"lang/pc/comp+pkg",
 				"plat/"..plat.."+tools",
 				"util/ack+pkg",
 				"util/misc+pkg",