Build with "go tool" and hackishly bundle code from same package into one file each

1 files changed, 49 insertions, 6 deletions

diff --git a/Makefile b/Makefile
index bb6e39d..65f5936 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,10 @@ LDLIBS       =
 
 
 .SUFFIXES:
-.SUFFIXES: .go .a .bin .bin-check
+.SUFFIXES: .go .a .c .o .bin .bin-check
+
+.c.o:
+	$(CC) $(iCFLAGS) -o $@ -c $<
 
 
 
@@ -30,10 +33,26 @@ all:
 include deps.mk
 
 
+cgo-sources = \
+	src/_cgo_export.c              \
+	src/_cgo_export.h              \
+	src/_cgo_main.c                \
+	src/_cgo_gotypes.go            \
+	src/_cgo_import.go             \
+	src/$(NAME).cgo1.go            \
+	src/$(NAME).cgo2.c             \
+
+libdeps = \
+	src/_cgo_import.go             \
+	src/_cgo_gotypes.go            \
+	src/$(NAME).cgo1.go            \
+
 objects = \
 	src/$(NAME).a                  \
 	tests/$(NAME).a                \
 	tests/main.a                   \
+	$(cgo-sources)                 \
+	src/_cgo_.o                    \
 
 sources = \
 	src/$(NAME).go                 \
@@ -42,6 +61,9 @@ sources = \
 derived-assets = \
 	$(objects)                     \
 	tests/main.bin                 \
+	pack2.sentinel                 \
+	src/_cgo_export.o              \
+	src/$(NAME).cgo2.o             \
 
 side-assets = \
 
@@ -54,16 +76,32 @@ all: $(derived-assets)
 
 $(objects): Makefile
 
-src/$(NAME).a: src/$(NAME).go
+# src/$(NAME).a: src/$(NAME).go
 tests/main.a: tests/main.go tests/$(NAME).a
-src/$(NAME).a tests/main.a:
+tests/main.a:
 	go tool compile $(GOCFLAGS) -o $@ -p $(*F) -I $(@D) $*.go
 
-tests/$(NAME).a: tests/$(NAME).go src/$(NAME).go
-	go tool compile $(GOCFLAGS) -o $@ -p $(*F) $*.go src/$(*F).go
+$(cgo-sources): src/_cgo_.o
+src/_cgo_.o: src/$(NAME).go
+	go tool cgo --objdir $(@D) src/$(NAME).go
+
+src/_cgo_import.go: src/_cgo_.o
+	go tool cgo --dynpackage $(NAME) --dynimport src/_cgo_.o --dynout $@
+
+src/$(NAME).a: $(libdeps)
+	go tool compile $(GOCFLAGS) -o $@ -p $(*F) $(libdeps)
+
+# FIXME dependency
+pack2.sentinel: src/$(NAME).a src/_cgo_export.o src/$(NAME).cgo2.o
+	go tool pack r $@ src/_cgo_export.o src/$(NAME).cgo2.o
+	touch $@
+
+tests/$(NAME).a: tests/$(NAME).go src/_cgo_gotypes.go src/$(NAME).cgo1.go src/_cgo_import.go src/_cgo_export.o src/$(NAME).cgo2.o
+	go tool compile $(GOCFLAGS) -o $@ -p $(*F) tests/$(NAME).go src/_cgo_gotypes.go src/$(NAME).cgo1.go src/_cgo_import.go
+	go tool pack r $@ src/_cgo_export.o src/$(NAME).cgo2.o
 
 tests/main.bin: tests/main.a
-	go tool link   $(GOLDFLAGS) -o $@ -L $(@D) $*.a
+	go tool link   $(GOLDFLAGS) -o $@ -L $(@D) --extldflags '-lsqlite3' $*.a
 
 
 
@@ -94,6 +132,11 @@ check: check-unit check-integration
 
 
 
+bench: tests/main.bin
+	$(EXEC)tests/main.bin -test.bench '.*'
+
+
+
 ## Remove *all* derived artifacts produced during the build.
 ## A dedicated test asserts that this is always true.
 clean: