gobuild: add coverage rule, ignore files in package main.

R=r
DELTA=55  (41 added, 11 deleted, 3 changed)
OCL=19594
CL=19598

src/cmd/gobuild/gobuild.c

@@ -227,6 +227,9 @@ getpkg(char *file)
 					return pkg[i];
 				}
 			}
+			// don't put main in the package list
+			if(strcmp(p, "main") == 0)
+				return "main";
 			npkg++;
 			pkg = erealloc(pkg, npkg*sizeof pkg[0]);
 			pkg[i] = emalloc(strlen(p)+1);
@@ -285,6 +288,10 @@ char preamble[] =
 	"test: packages\n"
 	"\tgotest\n"
 	"\n"
+	"coverage: packages\n"
+	"\tgotest\n"
+	"\t6cov -g `pwd` | grep -v '^test.*\\.go:'\n"
+	"\n"
 	"%%.$O: %%.go\n"
 	"\t$(GC) $*.go\n"
 	"\n"
@@ -485,6 +492,8 @@ main(int argc, char **argv)
 		job[njob].name = argv[i];
 		job[njob].pass = -1;
 		job[njob].pkg = getpkg(argv[i]);
+		if(job[njob].pkg && strcmp(job[njob].pkg, "main") == 0)
+			continue;
 		njob++;
 	}
 

src/lib/fmt/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 

src/lib/http/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 
@@ -39,11 +43,7 @@ O3=\
 O4=\
 	server.$O\
 
-O5=\
-	triv.$O\
-
-http.a: a1 a2 a3 a4 a5
-main.a: a1 a2 a3 a4 a5
+http.a: a1 a2 a3 a4
 
 a1:	$(O1)
 	$(AR) grc http.a url.$O
@@ -61,26 +61,19 @@ a4:	$(O4)
 	$(AR) grc http.a server.$O
 	rm -f $(O4)
 
-a5:	$(O5)
-	$(AR) grc main.a triv.$O
-	rm -f $(O5)
-
 newpkg: clean
 	$(AR) grc http.a
-	$(AR) grc main.a
 
 $(O1): newpkg
 $(O2): a1
 $(O3): a2
 $(O4): a3
-$(O5): a4
 
 nuke: clean
-	rm -f $(GOROOT)/pkg/http.a $(GOROOT)/pkg/main.a
+	rm -f $(GOROOT)/pkg/http.a
 
-packages: http.a main.a
+packages: http.a
 
 install: packages
 	cp http.a $(GOROOT)/pkg/http.a
-	cp main.a $(GOROOT)/pkg/main.a
 

src/lib/math/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 

src/lib/net/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 

src/lib/os/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 

src/lib/reflect/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 

src/lib/strconv/Makefile

@@ -18,6 +18,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go
 

src/lib/syscall/Makefile

@@ -20,6 +20,10 @@ clean:
 test: packages
 	gotest
 
+coverage: packages
+	gotest
+	6cov -g `pwd` | grep -v '^test.*\.go:'
+
 %.$O: %.go
 	$(GC) $*.go