Building standalone binaries on linux working.

Mostly changes to cook and jpm. Also some
code for file associations in the windows installer, and
adding the :linux value from os/which (instead of just :posix).

src/boot/boot.janet

@@ -1732,6 +1732,7 @@
     :source (fn [path args]
               (put module/loading path true)
               (def newenv (dofile path ;args))
+              (put newenv :source path)
               (put module/loading path nil)
               newenv)
     :image (fn [path &] (load-image (slurp path)))})

src/core/corelib.c

@@ -270,6 +270,7 @@ static Janet janet_core_native(int32_t argc, Janet *argv) {
         janet_panicf("could not load native %S: %S", path, error);
     }
     init(env);
+    janet_table_put(env, janet_ckeywordv("native"), argv[0]);
     return janet_wrap_table(env);
 }
 

src/core/os.c

@@ -73,6 +73,8 @@ static Janet os_which(int32_t argc, Janet *argv) {
     return janet_ckeywordv("macos");
 #elif defined(__EMSCRIPTEN__)
     return janet_ckeywordv("web");
+#elif defined(__linux__)
+    return janet_ckeywordv("linux");
 #else
     return janet_ckeywordv("posix");
 #endif
@@ -763,6 +765,8 @@ static const JanetReg os_cfuns[] = {
              "Check the current operating system. Returns one of:\n\n"
              "\t:windows - Microsoft Windows\n"
              "\t:macos - Apple macos\n"
+             "\t:web - Web assembly (emscripten)\n"
+             "\t:linux - Linux\n"
              "\t:posix - A POSIX compatible system (default)")
     },
     {

src/include/janet.h

@@ -1306,11 +1306,16 @@ JANET_API void janet_register(const char *name, JanetCFunction cfun);
 
 /* New C API */
 
+/* Allow setting entry name for static libraries */
+#ifndef JANET_ENTRY_NAME
+#define JANET_ENTRY_NAME _janet_init
+#endif
+
 #define JANET_MODULE_ENTRY \
     JANET_API JanetBuildConfig _janet_mod_config(void) { \
         return janet_config_current(); \
     } \
-    JANET_API void _janet_init
+    JANET_API void JANET_ENTRY_NAME
 
 JANET_NO_RETURN JANET_API void janet_panicv(Janet message);
 JANET_NO_RETURN JANET_API void janet_panic(const char *message);