diff --git a/lang/basic/lib/pmfile b/lang/basic/lib/pmfile
index 01d3d8fde..eb069d330 100644
--- a/lang/basic/lib/pmfile
+++ b/lang/basic/lib/pmfile
@@ -41,5 +41,5 @@ lang_basic_runtime = acklibrary {
 	ackfile (d.."trap.c"),
 	ackfile (d.."write.c"),
 	
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_bc")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libbasic.a")
 }
diff --git a/lang/cem/libcc.ansi/pmfile b/lang/cem/libcc.ansi/pmfile
index aef503ce3..6368244f5 100644
--- a/lang/cem/libcc.ansi/pmfile
+++ b/lang/cem/libcc.ansi/pmfile
@@ -6,13 +6,13 @@ local d = ROOTDIR.."lang/cem/libcc.ansi/"
 local crt = ackfile {
 	ACKINCLUDES = {PARENT, "%ROOTDIR%h"},
 	file (d.."head_ac.e"),
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/head_ac")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/c-ansi.o")
 }
 	
 local libc = acklibrary {
 	ACKBUILDFLAGS = {PARENT, "-ansi"},
 	ACKINCLUDES = {PARENT, "%ROOTDIR%h", d.."headers"},
-	outputs = {"%U%/tail_ac.a"},
+	outputs = {"%U%/libc-ansi.a"},
 	
 	-- assert
 	
@@ -260,7 +260,7 @@ local libc = acklibrary {
 	ackfile (d.."time/misc.c"),
 
 	install = {
-		pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_ac")
+		pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libc-ansi.a")
 	}
 }
 
diff --git a/lang/cem/libcc/gen/pmfile b/lang/cem/libcc/gen/pmfile
index ca72d8506..f190777a8 100644
--- a/lang/cem/libcc/gen/pmfile
+++ b/lang/cem/libcc/gen/pmfile
@@ -5,7 +5,7 @@ local d = ROOTDIR.."lang/cem/libcc/gen/"
 
 local head = acklibrary {
 	ackfile (d.."head_cc.e"),
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/head_cc")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/c-knr.o")
 }
 
 local tail = acklibrary {
@@ -83,7 +83,7 @@ local tail = acklibrary {
 	ackfile (d.."modf.e"),
 	ackfile (d.."setjmp.e"),
 
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_cc.2g")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libc-knr.a")
 }
 
 lang_cem_gen_runtime = group {
diff --git a/lang/cem/libcc/math/pmfile b/lang/cem/libcc/math/pmfile
index 46c4e2a53..9ba570868 100644
--- a/lang/cem/libcc/math/pmfile
+++ b/lang/cem/libcc/math/pmfile
@@ -27,5 +27,5 @@ lang_cem_math_runtime = acklibrary {
 	ackfile (d.."exp.c"),
 	ackfile (d.."floor.c"),
 
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_m")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libm-knr.a")
 }
diff --git a/lang/cem/libcc/mon/pmfile b/lang/cem/libcc/mon/pmfile
index 45ad605d8..43865f854 100644
--- a/lang/cem/libcc/mon/pmfile
+++ b/lang/cem/libcc/mon/pmfile
@@ -97,5 +97,5 @@ lang_cem_mon_runtime = acklibrary {
 	ackfile (d.."_wait.e"),
 	ackfile (d.."_write.e"),
 
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_mon")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libmon.a")
 }
diff --git a/lang/cem/libcc/stdio/pmfile b/lang/cem/libcc/stdio/pmfile
index b7fd96134..577885838 100644
--- a/lang/cem/libcc/stdio/pmfile
+++ b/lang/cem/libcc/stdio/pmfile
@@ -54,5 +54,5 @@ lang_cem_stdio_runtime = acklibrary {
 	ackfile (d.."timezone.c"),
 	ackfile (d.."ungetc.c"),
 
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_cc.1s")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libc-stdio-knr.a")
 }
diff --git a/lang/m2/libm2/pmfile b/lang/m2/libm2/pmfile
index 10b987e6e..f8f7c52ef 100644
--- a/lang/m2/libm2/pmfile
+++ b/lang/m2/libm2/pmfile
@@ -36,7 +36,7 @@ local headers = group {
 local head = ackfile {
 	file (d.."head_m2.e"),
 	
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/head_m2")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/modula2.o")
 }
 
 local tail = acklibrary {
@@ -87,7 +87,7 @@ local tail = acklibrary {
 	ackfile (d.."rckil.c"),
 	ackfile (d.."EM.e"),
 	
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_m2")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libmodula2.a")
 }
 
 lang_m2_runtime = acklibrary {
diff --git a/lang/occam/lib/pmfile b/lang/occam/lib/pmfile
index 2970a29be..4ed36f62a 100644
--- a/lang/occam/lib/pmfile
+++ b/lang/occam/lib/pmfile
@@ -17,5 +17,5 @@ lang_occam_lib_runtime = acklibrary {
 	ackfile (d.."par_misc.e"),
 	ackfile (d.."parco.c"),
 	
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_ocm")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/liboccam.a")
 }
diff --git a/lang/pc/libpc/pmfile b/lang/pc/libpc/pmfile
index 1d84e39eb..b63c635b2 100644
--- a/lang/pc/libpc/pmfile
+++ b/lang/pc/libpc/pmfile
@@ -6,7 +6,7 @@ local d = ROOTDIR.."lang/pc/libpc/"
 head = ackfile {
 	file (d.."head_pc.e"),
 	
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/head_pc")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/pascal.o")
 }
 
 tail = acklibrary {
@@ -83,7 +83,7 @@ tail = acklibrary {
 	ackfile (d.."rcka.c"),
 	ackfile (d.."trp.e"),
 	
-	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/tail_pc")
+	install = pm.install("%BINDIR%%PLATIND%/%PLATFORM%/libpascal.a")
 }
 
 lang_pc_runtime = group {
diff --git a/plat/pc86/descr b/plat/pc86/descr
index 9427ee382..ee1cbd626 100644
--- a/plat/pc86/descr
+++ b/plat/pc86/descr
@@ -13,7 +13,7 @@ var PLATFORM=pc86
 var PLATFORMDIR={EM}/lib/{PLATFORM}
 var CPP_F=-D__unix
 var ALIGN=-a0:1 -a1:1 -a2:1 -a3:1
-var C_LIB={PLATFORMDIR}/tail_cc.1s {PLATFORMDIR}/tail_cc.2g
+var C_LIB={PLATFORMDIR}/libc-stdio-knr.a {PLATFORMDIR}/libc-knr.a
 var OLD_C_LIB={C_LIB}
 var MACHOPT_F=-m8
 name be
@@ -35,27 +35,27 @@ name led
 	from .o.a
 	to .out
 	program {EM}/lib.bin/em_led
-	mapflag -l* LNAME={PLATFORMDIR}/tail_*
+	mapflag -l* LNAME={PLATFORMDIR}/lib*
 	mapflag -i SEPID=-b1:0
 	mapflag -fp FLOATS={EM}/{ILIB}fp
-	mapflag -ansi C_LIB={PLATFORMDIR}/tail_ac
+	mapflag -ansi C_LIB={PLATFORMDIR}/libc-ansi.a
 	args {ALIGN} {SEPID?} \
 	    (.e:{HEAD}={PLATFORMDIR}/boot.o) \
-		({RTS}:.ocm.b={PLATFORMDIR}/head_cc) \
-		({RTS}{ANSI?}:.c={PLATFORMDIR}/head_cc) \
-		({RTS}{ANSI?}:.cansi={PLATFORMDIR}/head_ac) \
-		({RTS}:.mod={PLATFORMDIR}/head_m2) \
-		({RTS}:.p={PLATFORMDIR}/head_pc) \
+		({RTS}:.ocm.b={PLATFORMDIR}/c-knr.o) \
+		({RTS}{ANSI?}:.c={PLATFORMDIR}/c-knr.o) \
+		({RTS}{ANSI?}:.cansi={PLATFORMDIR}/c-ansi.o) \
+		({RTS}:.mod={PLATFORMDIR}/modula2.o) \
+		({RTS}:.p={PLATFORMDIR}/pascal.o) \
 		-o > < \
-		(.p:{TAIL}={PLATFORMDIR}/tail_pc) \
-		(.b:{TAIL}={PLATFORMDIR}/tail_bc) \
-		(.mod:{TAIL}={PLATFORMDIR}/tail_m2) \
-		(.ocm:{TAIL}={PLATFORMDIR}/tail_ocm) \
+		(.p:{TAIL}={PLATFORMDIR}/libpascal.a) \
+		(.b:{TAIL}={PLATFORMDIR}/libbasic.a) \
+		(.mod:{TAIL}={PLATFORMDIR}/libmodula2.a) \
+		(.ocm:{TAIL}={PLATFORMDIR}/liboccam.a) \
 		(.ocm.b:{TAIL}={OLD_C_LIB}) \
 		(.c:{TAIL}={C_LIB}) \
 		{FLOATS?} \
 		(.e:{TAIL}={PLATFORMDIR}/libsys.a \
-		           {PLATFORMDIR}/tail_mon \
+		           {PLATFORMDIR}/libmon.a \
 		           {PLATFORMDIR}/libsys.a \
 		           {PLATFORMDIR}/libem.a \
 		           {PLATFORMDIR}/libend.a)