Add a couple of tests. Build only on linux, do not pass.

	modified:   Makefile
	modified:   all_test.go
	modified:   generator.go
	modified:   internal/bin/bin_linux_386.go
	modified:   internal/bin/bin_linux_amd64.go
	new file:   internal/mptest/mptest_linux_386.go
	new file:   internal/mptest/mptest_linux_amd64.go
	new file:   internal/threadtest1/threadtest1_linux_386.go
	new file:   internal/threadtest1/threadtest1_linux_amd64.go
	new file:   internal/threadtest2/threadtest2_linux_386.go
	new file:   internal/threadtest2/threadtest2_linux_amd64.go
	new file:   internal/threadtest4/threadtest4_linux_386.go
	new file:   internal/threadtest4/threadtest4_linux_amd64.go
	modified:   main.c
	new file:   sqlite.h
	new file:   testdata/mptest/config01.test
	new file:   testdata/mptest/config02.test
	new file:   testdata/mptest/crash01.test
	new file:   testdata/mptest/crash02.subtest
	new file:   testdata/mptest/multiwrite01.test

1 files changed, 5 insertions, 2 deletions

diff --git a/main.c b/main.c
index d54aa13..f6f354f 100644
--- a/main.c
+++ b/main.c
@@ -6,8 +6,11 @@
 
 #include <sqlite3.h>
 
+static void use(int, ...)
+{
+}
+
 int main(int argc, char **argv)
 {
-	// Prevent the linker from optimizing out everything.
-	int (*f) (int, ...) = sqlite3_config;
+	use(0, sqlite3_exec, sqlite3_enable_load_extension);
 }