Add support for C/C++ compiler for Neutrino QNX: qcc

Author: flba-eb

src/lib.rs

@@ -2092,6 +2092,16 @@ impl Build {
                         cmd.push_cc_arg("-pthread".into());
                     }
                 }
+
+                if target.os == "nto" {
+                    let arg = match target.arch {
+                        "i586" => "-Vgcc_ntox86_cxx",
+                        "aarch64" => "-Vgcc_ntoaarch64le_cxx",
+                        "x86_64" => "-Vgcc_ntox86_64_cxx",
+                        _ => panic!("Unknown architecture for Neutrino QNX: {}", target.arch),
+                    };
+                    cmd.push_cc_arg(arg.into());
+                }
             }
         }
 
@@ -2803,6 +2813,8 @@ impl Build {
                     format!("arm-kmc-eabi-{}", gnu)
                 } else if target.arch == "aarch64" && target.vendor == "kmc" {
                     format!("aarch64-kmc-elf-{}", gnu)
+                } else if target.os == "nto" {
+                    "qcc".into()
                 } else if self.get_is_cross_compile()? {
                     let prefix = self.prefix_for_target(&raw_target);
                     match prefix {