Select the flag from the host triple directly

Author: clementperon

configure

@@ -1006,15 +1006,14 @@ AS_CASE([$host],
 )
 
 dnl Add the compiler flag for the iOS minimum supported OS version.
-AS_CASE([$ac_sys_system],
-  [iOS], [
-    dnl -mios-version-min names the device platform; against the simulator SDK it
-    dnl makes the linker reject every dylib it resolves there.
-    AS_IF([test "x$_host_device" = "xsimulator"],
-      [_ios_version_min_flag=-mios-simulator-version-min],
-      [_ios_version_min_flag=-mios-version-min])
-    AS_VAR_APPEND([CFLAGS], [" ${_ios_version_min_flag}=${IPHONEOS_DEPLOYMENT_TARGET}"])
-    AS_VAR_APPEND([LDFLAGS], [" ${_ios_version_min_flag}=${IPHONEOS_DEPLOYMENT_TARGET}"])
+AS_CASE([$host],
+  [*-apple-ios*-simulator], [
+    AS_VAR_APPEND([CFLAGS], [" -mios-simulator-version-min=${IPHONEOS_DEPLOYMENT_TARGET}"])
+    AS_VAR_APPEND([LDFLAGS], [" -mios-simulator-version-min=${IPHONEOS_DEPLOYMENT_TARGET}"])
+  ],
+  [*-apple-ios*], [
+    AS_VAR_APPEND([CFLAGS], [" -mios-version-min=${IPHONEOS_DEPLOYMENT_TARGET}"])
+    AS_VAR_APPEND([LDFLAGS], [" -mios-version-min=${IPHONEOS_DEPLOYMENT_TARGET}"])
   ],
 )