lunix/gcc updates.

command.cpp

@@ -20,6 +20,7 @@
 #include <sysexits.h>
 #include <signal.h>
 #include <atomic>
+#include <sys/wait.h>
 
 extern std::atomic<int> control_c;
 

environment.cpp

@@ -177,7 +177,7 @@ namespace {
 
 	void Environment::echo(const char *fmt, ...) const {
 		if (_echo && !_startup) {
-			for (unsigned i = 0; i < _indent; ++i) {
+			for (unsigned i = 0; i <= _indent; ++i) {
 				fputc(' ', stderr);
 				fputc(' ', stderr);
 			}

environment.h

@@ -68,21 +68,21 @@ public:
 
 	std::string get(const std::string &k) const;
 
-	constexpr bool echo() const noexcept { return _echo; }
-	constexpr bool test() const noexcept { return _test; }
-	constexpr bool exit() const noexcept { return _exit; }
-	constexpr int status() const noexcept { return _status; }
-	constexpr int pound() const noexcept { return _pound; }
+	bool echo() const noexcept { return _echo; }
+	bool test() const noexcept { return _test; }
+	bool exit() const noexcept { return _exit; }
+	int status() const noexcept { return _status; }
+	int pound() const noexcept { return _pound; }
 
 	int status(int i, bool throw_up = true);
 	int status(int i, const std::nothrow_t &);
 
-	constexpr bool startup() const noexcept { return _startup; }
-	constexpr void startup(bool tf) noexcept { _startup = tf; }
+	bool startup() const noexcept { return _startup; }
+	void startup(bool tf) noexcept { _startup = tf; }
 
 
-	constexpr bool passthrough() const noexcept { return _passthrough; }
-	constexpr void passthrough(bool tf) noexcept { _passthrough = tf; }
+	bool passthrough() const noexcept { return _passthrough; }
+	void passthrough(bool tf) noexcept { _passthrough = tf; }
 
 	template<class FX>
 	void foreach(FX && fx) { for (const auto &kv : _table) { fx(kv.first, kv.second); }}
@@ -117,7 +117,7 @@ public:
 		catch (...) { _indent = i; _loop = j; throw; } 
 	}
 
-	constexpr bool loop() const noexcept { return _loop; }
+	bool loop() const noexcept { return _loop; }
 
 	const alias_table_type &aliases() const { return _alias_table; }
 

error.h

@@ -12,7 +12,7 @@ public:
 	mpw_error(int status, const char *s) : std::runtime_error(s), _status(status)
 	{}
 
-	constexpr int status() const noexcept { return _status; }
+	int status() const noexcept { return _status; }
 private:
 	int _status;
 };