diff --git a/Makefile b/Makefile
index 78d3f9c2b..0f6938b1e 100644
--- a/Makefile
+++ b/Makefile
@@ -49,7 +49,7 @@ PLATIND = $(INSDIR)/share/ack
 PLATDEP = $(INSDIR)/lib/ack
 
 MAKECMDGOALS ?= +ack
-BUILD_FILES = $(shell find * -name build.lua)
+BUILD_FILES = $(shell find * -name '*.lua')
 
 NINJA := $(shell which ninja)
 ifneq ($(findstring +, $(MAKECMDGOALS)),)
diff --git a/build.lua b/build.lua
index c5a59a135..98b381dc2 100644
--- a/build.lua
+++ b/build.lua
@@ -5,8 +5,9 @@ vars.ackcflags = {
 	"-O"
 }
 vars.plats = {
-	"pc86",
 	"cpm",
+	"linux386",
+	"pc86",
 }
 
 installable {
@@ -17,6 +18,7 @@ installable {
 		"lang/m2/comp+pkg",
 		"lang/pc/comp+pkg",
 		"plat/cpm+pkg",
+		"plat/linux386+pkg",
 		"plat/pc86+pkg",
 		"util/ack+pkg",
 		"util/amisc+pkg",
diff --git a/mach/i386/libem/build.lua b/mach/i386/libem/build.lua
new file mode 100644
index 000000000..ca5a13c65
--- /dev/null
+++ b/mach/i386/libem/build.lua
@@ -0,0 +1,8 @@
+for _, plat in ipairs(vars.plats) do
+	acklibrary {
+		name = "lib_"..plat,
+		srcs = { "./*.s" },
+		vars = { plat = plat },
+	}
+end
+
diff --git a/mach/i386/libend/build.lua b/mach/i386/libend/build.lua
new file mode 100644
index 000000000..ca5a13c65
--- /dev/null
+++ b/mach/i386/libend/build.lua
@@ -0,0 +1,8 @@
+for _, plat in ipairs(vars.plats) do
+	acklibrary {
+		name = "lib_"..plat,
+		srcs = { "./*.s" },
+		vars = { plat = plat },
+	}
+end
+
diff --git a/plat/build.lua b/plat/build.lua
index deb2e4647..f46db0bbe 100644
--- a/plat/build.lua
+++ b/plat/build.lua
@@ -64,9 +64,9 @@ definerule("build_plat_libs",
 			name = e.name,
 			map = {
 				"lang/basic/lib+pkg_"..e.plat,
-				--"lang/cem/libcc.ansi+pkg_"..e.plat,
-				--"lang/m2/libm2+pkg_"..e.plat,
-				--"lang/pc/libpc+pkg_"..e.plat,
+				"lang/cem/libcc.ansi+pkg_"..e.plat,
+				"lang/m2/libm2+pkg_"..e.plat,
+				"lang/pc/libpc+pkg_"..e.plat,
 				["$(PLATIND)/"..e.plat.."/libem.a"] = "mach/"..e.arch.."/libem+lib_"..e.plat,
 				["$(PLATIND)/"..e.plat.."/libend.a"] = "mach/"..e.arch.."/libend+lib_"..e.plat,
 			}
diff --git a/plat/linux386/build-headers.lua b/plat/linux386/build-headers.lua
new file mode 100644
index 000000000..5b91bdc75
--- /dev/null
+++ b/plat/linux386/build-headers.lua
@@ -0,0 +1,11 @@
+include("plat/build.lua")
+
+acklibrary {
+	name = "headers",
+	hdrs = {
+		["ack/config.h"] = "./include/ack/config.h",
+		["sys/ioctl.h"] = "./include/sys/ioctl.h",
+		["unistd.h"] = "./include/unistd.h",
+	}
+}
+
diff --git a/plat/linux386/build-pkg.lua b/plat/linux386/build-pkg.lua
new file mode 100644
index 000000000..47fb9ce43
--- /dev/null
+++ b/plat/linux386/build-pkg.lua
@@ -0,0 +1,23 @@
+include("plat/build.lua")
+
+ackfile {
+	name = "boot",
+	srcs = { "./boot.s" },
+	vars = { plat = "linux386" }
+}
+
+build_plat_libs {
+	name = "libs",
+	arch = "i386",
+	plat = "linux386",
+}
+
+installable {
+	name = "pkg",
+	map = {
+		"+tools",
+		"+libs",
+		["$(PLATIND)/linux386/boot.o"] = "+boot"
+	}
+}
+
diff --git a/plat/linux386/build-tools.lua b/plat/linux386/build-tools.lua
new file mode 100644
index 000000000..d711f85fd
--- /dev/null
+++ b/plat/linux386/build-tools.lua
@@ -0,0 +1,21 @@
+include("plat/build.lua")
+
+build_as {
+	name = "as",
+	arch = "i386",
+}
+
+build_ncg {
+	name = "ncg",
+	arch = "i386",
+}
+
+return installable {
+	name = "tools",
+	map = {
+		["$(PLATDEP)/linux386/as"] = "+as",
+		["$(PLATDEP)/linux386/ncg"] = "+ncg",
+		["$(PLATIND)/descr/linux386"] = "./descr",
+		"util/opt+pkg",
+	}
+}