use a makefile to build math

fix a typo in syscall/Makefile

R=ken
OCL=14863
CL=14863

src/lib/math/Makefile

+# Copyright 2009 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+
+CFLAGS=
+O=6
+CC=$(O)c
+AS=$(O)a
+GC=$(O)g
+
+# TODO(r): building directly in the target makes internal dependencies self-consistent.
+# need to address this a better way.
+PKG=$(GOROOT)/pkg/math.a
+
+O1=\
+	atan.$O fabs.$O floor.$O fmod.$O hypot.$O log.$O pow10.$O sin.$O sqrt.$O tan.$O
+O2=\
+	asin.$O atan2.$O exp.$O
+O3=\
+	pow.$O sinh.$O
+O4=\
+	tanh.$O
+
+install: $(PKG)
+
+$(PKG): a1 a2 a3 a4
+
+a1: $(O1)
+	$(O)ar grc $(PKG) $(O1)
+
+a2: $(O2)
+	$(O)ar grc $(PKG) $(O2)
+
+a3: $(O3)
+	$(O)ar grc $(PKG) $(O3)
+
+a4: $(O4)
+	$(O)ar grc $(PKG) $(O4)
+
+nuke:
+	rm -f *.$(O) *.a $(PKG)
+
+clean:
+	rm -f *.$(O) *.a
+
+%.$O:	%.go
+	$(GC) $<

src/lib/math/clean.bash

@@ -4,4 +4,4 @@
 
 #!/bin/bash
 
-rm -f 6.out *.6 math.a
+make nuke

src/lib/math/make.bash

@@ -4,6 +4,6 @@
 
 #!/bin/bash
 
-# should probably just be a makefile
+make install
 
-bash g1 && cp math.a $GOROOT/pkg/math.a
+# old way: bash g1 && cp math.a $GOROOT/pkg/math.a

src/syscall/Makefile

@@ -18,13 +18,13 @@ OFILES=\
 
 
 install: $(PKG)
-	cp $(PKG) $(GOROOT)/pkg
+	cp $(PKG) $(GOROOT)/pkg/$(PKG)
 
 $(PKG): $(OFILES)
 	$(O)ar grc $(PKG) $(OFILES)
 
 nuke:
-	rm -f *.$(O) *.a $(GOROOT)/lib/$(PKG)
+	rm -f *.$(O) *.a $(GOROOT)/pkg/$(PKG)
 
 clean:
 	rm -f *.$(O) *.a