Mirror configure.ac change, host "*-gnu".

Author: nascheme

Tools/configure/conf_platform.py

@@ -32,6 +32,8 @@ def setup_machdep(v):
                 v.ac_sys_system = "iOS"
             elif pyconf.fnmatch(v.host, "*-*-darwin*"):
                 v.ac_sys_system = "Darwin"
+            elif pyconf.fnmatch(v.host, "*-gnu"):
+                v.ac_sys_system = "GNU"
             elif pyconf.fnmatch(v.host, "*-*-vxworks*"):
                 v.ac_sys_system = "VxWorks"
             elif pyconf.fnmatch(v.host, "*-*-emscripten"):
@@ -91,9 +93,7 @@ def setup_host_prefix(v):
     if not v.host_prefix:
         v.export(
             "host_prefix",
-            "/"
-            if v.ac_sys_system == "Emscripten"
-            else "${prefix}",
+            "/" if v.ac_sys_system == "Emscripten" else "${prefix}",
         )
 
     if not v.host_exec_prefix:
@@ -133,6 +133,8 @@ def setup_host_platform(v):
                 host_ident = f"{v.IPHONEOS_DEPLOYMENT_TARGET}-{v.host_cpu}-iphone{host_device}"
         elif pyconf.fnmatch(v.host, "*-*-darwin*"):
             host_ident = "arm" if v.host_cpu.startswith("arm") else v.host_cpu
+        elif pyconf.fnmatch(v.host, "*-gnu"):
+            host_ident = v.host_cpu
         elif pyconf.fnmatch(v.host, "*-*-vxworks*"):
             host_ident = v.host_cpu
         elif pyconf.fnmatch(v.host, "*-*-emscripten"):

configure-new

@@ -5926,6 +5926,8 @@ function u_setup_machdep(    SUNOS_VERSION, ac_md_release, ac_md_system, _split_
 				V["ac_sys_system"] = "iOS"
 			} else if (pyconf_fnmatch(V["host"], "*-*-darwin*")) {
 				V["ac_sys_system"] = "Darwin"
+			} else if (pyconf_fnmatch(V["host"], "*-gnu")) {
+				V["ac_sys_system"] = "GNU"
 			} else if (pyconf_fnmatch(V["host"], "*-*-vxworks*")) {
 				V["ac_sys_system"] = "VxWorks"
 			} else if (pyconf_fnmatch(V["host"], "*-*-emscripten")) {
@@ -6021,6 +6023,8 @@ function u_setup_host_platform(    _tmp_split, emcc_ver, host_device, host_ident
 			}
 		} else if (pyconf_fnmatch(V["host"], "*-*-darwin*")) {
 			host_ident = (_str_startswith(V["host_cpu"], "arm") ? "arm" : V["host_cpu"])
+		} else if (pyconf_fnmatch(V["host"], "*-gnu")) {
+			host_ident = V["host_cpu"]
 		} else if (pyconf_fnmatch(V["host"], "*-*-vxworks*")) {
 			host_ident = V["host_cpu"]
 		} else if (pyconf_fnmatch(V["host"], "*-*-emscripten")) {