doc: replace references to {5..9}{g,l} with go tool compile and go tool link

I updated some references to 6g, 6l and friends that I came across, as those
programs don't exist anymore. I also fixed some echos in make.rc to match other make.* scripts while I was there.

Change-Id: Ib84532cd4688cf65174dd9869e5d42af98a20a48
Reviewed-on: https://go-review.googlesource.com/11162
Reviewed-by: Ian Lance Taylor <iant@golang.org>

src/cmd/go/alldocs.go

@@ -106,7 +106,7 @@ and test commands:
 	-gccgoflags 'arg list'
 		arguments to pass on each gccgo compiler/linker invocation.
 	-gcflags 'arg list'
-		arguments to pass on each 5g, 6g, 8g, or 9g compiler invocation.
+		arguments to pass on each go tool compile invocation.
 	-installsuffix suffix
 		a suffix to use in the name of the package installation directory,
 		in order to keep output separate from default builds.
@@ -114,9 +114,9 @@ and test commands:
 		or, if set explicitly, has _race appended to it.  Using a -buildmode
 		option that requires non-default compile flags has a similar effect.
 	-ldflags 'flag list'
-		arguments to pass on each 5l, 6l, 8l, or 9l linker invocation.
+		arguments to pass on each go tool link invocation.
 	-asmflags 'flag list'
-		arguments to pass on each asm assembler invocation.
+		arguments to pass on each go tool asm invocation.
 	-tags 'tag list'
 		a list of build tags to consider satisfied during the build.
 		For more information about build tags, see the description of

src/cmd/go/build.go

@@ -86,7 +86,7 @@ and test commands:
 	-gccgoflags 'arg list'
 		arguments to pass on each gccgo compiler/linker invocation.
 	-gcflags 'arg list'
-		arguments to pass on each 5g, 6g, 8g, or 9g compiler invocation.
+		arguments to pass on each go tool compile invocation.
 	-installsuffix suffix
 		a suffix to use in the name of the package installation directory,
 		in order to keep output separate from default builds.
@@ -94,9 +94,9 @@ and test commands:
 		or, if set explicitly, has _race appended to it.  Using a -buildmode
 		option that requires non-default compile flags has a similar effect.
 	-ldflags 'flag list'
-		arguments to pass on each 5l, 6l, 8l, or 9l linker invocation.
+		arguments to pass on each go tool link invocation.
 	-asmflags 'flag list'
-		arguments to pass on each asm assembler invocation.
+		arguments to pass on each go tool asm invocation.
 	-tags 'tag list'
 		a list of build tags to consider satisfied during the build.
 		For more information about build tags, see the description of

src/make.bash

@@ -19,10 +19,10 @@
 #
 # GOOS: The target operating system for installed packages and tools.
 #
-# GO_GCFLAGS: Additional 5g/6g/8g arguments to use when
+# GO_GCFLAGS: Additional go tool compile arguments to use when
 # building the packages and commands.
 #
-# GO_LDFLAGS: Additional 5l/6l/8l arguments to use when
+# GO_LDFLAGS: Additional go tool link arguments to use when
 # building the commands.
 #
 # CGO_ENABLED: Controls cgo usage during the build. Set it to 1

src/make.bat

@@ -16,10 +16,10 @@
 ::
 :: GOOS: The target operating system for installed packages and tools.
 ::
-:: GO_GCFLAGS: Additional 5g/6g/8g arguments to use when
+:: GO_GCFLAGS: Additional go tool compile arguments to use when
 :: building the packages and commands.
 ::
-:: GO_LDFLAGS: Additional 5l/6l/8l arguments to use when
+:: GO_LDFLAGS: Additional go tool link arguments to use when
 :: building the commands.
 ::
 :: CGO_ENABLED: Controls cgo usage during the build. Set it to 1

src/make.rc

@@ -19,10 +19,10 @@
 #
 # GOOS: The target operating system for installed packages and tools.
 #
-# GO_GCFLAGS: Additional 5g/6g/8g arguments to use when
+# GO_GCFLAGS: Additional go tool compile arguments to use when
 # building the packages and commands.
 #
-# GO_LDFLAGS: Additional 5l/6l/8l arguments to use when
+# GO_LDFLAGS: Additional go tool link arguments to use when
 # building the commands.
 #
 # CGO_ENABLED: Controls cgo usage during the build. Set it to 1
@@ -41,7 +41,7 @@ rm -f ./runtime/runtime_defs.go
 # Determine the host compiler toolchain.
 eval `{grep '^(CC|LD|O)=' /$objtype/mkfile}
 
-echo '# Building Go bootstrap tool.'
+echo '##### Building Go bootstrap tool.'
 echo cmd/dist
 GOROOT = `{cd .. && pwd}
 if(! ~ $#GOROOT_BOOTSTRAP 1)
@@ -79,13 +79,13 @@ if(~ $sysname vx32)
 	pflag = (-p 1)
 
 if(! ~ $GOHOSTARCH $GOARCH || ! ~ $GOHOSTOS $GOOS){
-	echo '# Building packages and commands for host,' $GOHOSTOS/$GOHOSTARCH^.
+	echo '##### Building packages and commands for host,' $GOHOSTOS/$GOHOSTARCH^.
 	GOOS=$GOHOSTOS GOARCH=$GOHOSTARCH \
 		$GOTOOLDIR/go_bootstrap install -gcflags $"GO_GCFLAGS -ldflags $"GO_LDFLAGS -v $pflag std cmd
 	echo
 }
 
-echo '# Building packages and commands for' $GOOS/$GOARCH^.
+echo '##### Building packages and commands for' $GOOS/$GOARCH^.
 $GOTOOLDIR/go_bootstrap install -gcflags $"GO_GCFLAGS -ldflags $"GO_LDFLAGS -v $pflag std cmd
 echo