From e2e48e9a8ea26511ca7a090744b48a27500daaf1 Mon Sep 17 00:00:00 2001
From: Rob Pike <r@golang.org>
Date: Fri, 5 Sep 2008 09:55:33 -0700
Subject: [PATCH] use a makefile to build math fix a typo in syscall/Makefile

R=ken
OCL=14863
CL=14863
---
 src/lib/math/Makefile   | 47 +++++++++++++++++++++++++++++++++++++++++
 src/lib/math/clean.bash |  2 +-
 src/lib/math/make.bash  |  4 ++--
 src/syscall/Makefile    |  4 ++--
 4 files changed, 52 insertions(+), 5 deletions(-)
 create mode 100644 src/lib/math/Makefile

diff --git a/src/lib/math/Makefile b/src/lib/math/Makefile
new file mode 100644
index 0000000000..f1f24263c1
--- /dev/null
+++ b/src/lib/math/Makefile
@@ -0,0 +1,47 @@
+# 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) $<
diff --git a/src/lib/math/clean.bash b/src/lib/math/clean.bash
index 2cafa206d4..9028ac2a3e 100644
--- a/src/lib/math/clean.bash
+++ b/src/lib/math/clean.bash
@@ -4,4 +4,4 @@
 
 #!/bin/bash
 
-rm -f 6.out *.6 math.a
+make nuke
diff --git a/src/lib/math/make.bash b/src/lib/math/make.bash
index 52d0727ad3..cdc9a92682 100644
--- a/src/lib/math/make.bash
+++ b/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
diff --git a/src/syscall/Makefile b/src/syscall/Makefile
index 7013eeee11..468909a109 100644
--- a/src/syscall/Makefile
+++ b/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
-- 
2.48.1