1 files changed, 93 insertions, 0 deletions
diff --git a/data/libmissing/toolchain.diff b/data/libmissing/toolchain.diff
new file mode 100644
index 000000000..880d491e7
--- /dev/null
+++ b/data/libmissing/toolchain.diff
@@ -0,0 +1,93 @@
+diff -ur Libc-1272.200.26/stdlib/FreeBSD/system.c Libc-1272.200.26+iPhone/stdlib/FreeBSD/system.c
+--- Libc-1272.200.26/stdlib/FreeBSD/system.c	2018-03-22 07:37:55.000000000 -1000
++++ Libc-1272.200.26+iPhone/stdlib/FreeBSD/system.c	2019-05-01 23:27:20.000000000 -1000
+@@ -57,20 +57,14 @@
+ #if __DARWIN_UNIX03
+ #include <pthread.h>
+ 
+-#if !(TARGET_OS_IPHONE && (TARGET_OS_SIMULATOR || !TARGET_OS_IOS))
+ static pthread_mutex_t __systemfn_mutex = PTHREAD_MUTEX_INITIALIZER;
+-#endif
+ extern int __unix_conforming;
+ #endif /* __DARWIN_UNIX03 */
+ 
+ int
+-__system(command)
++system(command)
+ 	const char *command;
+ {
+-#if TARGET_OS_IPHONE && (TARGET_OS_SIMULATOR || !TARGET_OS_IOS)
+-	// Don't abort() on iOS for now
+-	LIBC_ABORT("system() is not supported on this platform.");
+-#else
+ 	pid_t pid, savedpid;
+ 	int pstat, err;
+ 	struct sigaction ign, intact, quitact;
+@@ -88,14 +82,10 @@
+ #endif /* __DARWIN_UNIX03 */
+ 
+ 	if (!command) {		/* just checking... */
+-#if TARGET_OS_IPHONE
+-		return(0);
+-#else
+ 		if (access(_PATH_BSHELL, F_OK) == -1)	/* if no sh or no access */
+ 			return(0);
+ 		else
+ 			return(1);
+-#endif
+ 	}
+ 
+ 	if ((err = posix_spawnattr_init(&attr)) != 0) {
+@@ -114,19 +104,19 @@
+ 	ign.sa_handler = SIG_IGN;
+ 	(void)sigemptyset(&ign.sa_mask);
+ 	ign.sa_flags = 0;
+-	(void)_sigaction(SIGINT, &ign, &intact);
++	(void)sigaction(SIGINT, &ign, &intact);
+ 	if (intact.sa_handler != SIG_IGN) {
+ 		sigaddset(&defaultsig, SIGINT);
+ 		flags |= POSIX_SPAWN_SETSIGDEF;
+ 	}
+-	(void)_sigaction(SIGQUIT, &ign, &quitact);
++	(void)sigaction(SIGQUIT, &ign, &quitact);
+ 	if (quitact.sa_handler != SIG_IGN) {
+ 		sigaddset(&defaultsig, SIGQUIT);
+ 		flags |= POSIX_SPAWN_SETSIGDEF;
+ 	}
+ 	(void)sigemptyset(&newsigblock);
+ 	(void)sigaddset(&newsigblock, SIGCHLD);
+-	(void)_sigprocmask(SIG_BLOCK, &newsigblock, &oldsigblock);
++	(void)sigprocmask(SIG_BLOCK, &newsigblock, &oldsigblock);
+ 	(void)posix_spawnattr_setsigmask(&attr, &oldsigblock);
+ 	if (flags & POSIX_SPAWN_SETSIGDEF) {
+ 		(void)posix_spawnattr_setsigdefault(&attr, &defaultsig);
+@@ -138,7 +128,7 @@
+ 	if (err == 0) {
+ 		savedpid = pid;
+ 		do {
+-			pid = _wait4(savedpid, &pstat, 0, (struct rusage *)0);
++			pid = wait4(savedpid, &pstat, 0, (struct rusage *)0);
+ 		} while (pid == -1 && errno == EINTR);
+ 		if (pid == -1) pstat = -1;
+ 	} else if (err == ENOMEM || err == EAGAIN) { /* as if fork failed */
+@@ -147,17 +137,14 @@
+ 		pstat = W_EXITCODE(127, 0); /* couldn't exec shell */
+ 	}
+ 
+-	(void)_sigaction(SIGINT, &intact, NULL);
+-	(void)_sigaction(SIGQUIT,  &quitact, NULL);
+-	(void)_sigprocmask(SIG_SETMASK, &oldsigblock, NULL);
++	(void)sigaction(SIGINT, &intact, NULL);
++	(void)sigaction(SIGQUIT,  &quitact, NULL);
++	(void)sigprocmask(SIG_SETMASK, &oldsigblock, NULL);
+ #if __DARWIN_UNIX03
+ 	pthread_mutex_unlock(&__systemfn_mutex);
+ #endif /* __DARWIN_UNIX03 */
+ 	return(pstat);
+-#endif /* TARGET_OS_IPHONE && (TARGET_OS_SIMULATOR || !TARGET_OS_IOS) */
+ }
+ 
+-__weak_reference(__system, system);
+-__weak_reference(__system, _system);
+
+ #pragma clang diagnostic pop