gcc14: Patches for Tiger

Adds 2 patches to make gcc14 build on Tiger.

The patches correspond to the following upstream bugs:

1. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117834
2. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117857

lang/gcc14/Portfile

@@ -208,6 +208,14 @@ if { ${os.platform} eq "darwin" } {
     # This patch has been merged upstream in https://github.com/gcc-mirror/gcc/commit/1cfe4a4d0d4447b364815d5e5c889deb2e533669
     # Remove it when upgrading gcc to a version that has it.
     patchfiles-append      darwin-ppc-fpu.patch
+
+    if { ${os.major} == 8 } {
+        # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117834
+        patchfiles-append darwin8-define-PTHREAD_RWLOCK_INITIALIZER.patch
+
+        # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117857
+        patchfiles-append darwin8-ttyname_r.patch
+    }
 }
 
 # Since GCC 7.4.0, during configure, it detects features supported by target-as.

lang/gcc14/files/darwin8-define-PTHREAD_RWLOCK_INITIALIZER.patch

@@ -0,0 +1,33 @@
+From c86f77d40e74cbbd6bc2bb4b2d8aaa30bac04f23 Mon Sep 17 00:00:00 2001
+From: Gleb Mazovetskiy <[email protected]>
+Date: Thu, 28 Nov 2024 16:00:06 +0000
+Subject: [PATCH] define PTHREAD_RWLOCK_INITIALIZER
+
+Per https://github.com/macports/macports-ports/pull/26655#issuecomment-2506351012
+
+Remove this patch once
+https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117834 is resolved
+---
+ libgcc/gthr-posix.h | 6 ++++++
+ 1 file changed, 6 insertions(+)
+
+diff --git libgcc/gthr-posix.h libgcc/gthr-posix.h
+index 82e8f9ffcf6..f87283cb0e4 100644
+--- libgcc/gthr-posix.h
++++ libgcc/gthr-posix.h
+@@ -62,6 +62,12 @@ typedef struct timespec __gthread_time_t;
+ #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
+ #define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function
+ #ifndef __cplusplus
++#ifndef PTHREAD_RWLOCK_INITIALIZER
++#ifndef _PTHREAD_RWLOCK_SIG_init
++#define _PTHREAD_RWLOCK_SIG_init    0x2DA8B3B4
++#endif
++#define PTHREAD_RWLOCK_INITIALIZER {_PTHREAD_RWLOCK_SIG_init, {0}}
++#endif
+ #define __GTHREAD_RWLOCK_INIT PTHREAD_RWLOCK_INITIALIZER
+ #endif
+ #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT
+-- 
+2.43.0
+

lang/gcc14/files/darwin8-ttyname_r.patch

@@ -0,0 +1,62 @@
+From 7abb2866863471eb6252ebec67ac2de56abda0db Mon Sep 17 00:00:00 2001
+From: Gleb Mazovetskiy <[email protected]>
+Date: Sat, 30 Nov 2024 08:57:43 +0000
+Subject: [PATCH] darwin8 ttyname_r patch
+
+---
+ libgfortran/io/unix.c                                |  7 +++++++
+ .../sanitizer_common_interceptors.inc                | 12 ++++++++++++
+ 2 files changed, 19 insertions(+)
+
+diff --git libgfortran/io/unix.c libgfortran/io/unix.c
+index 16600c855f2..80d2fad7ef8 100644
+--- libgfortran/io/unix.c
++++ libgfortran/io/unix.c
+@@ -2094,7 +2094,14 @@ stream_ttyname (stream *s  __attribute__ ((unused)),
+ 		size_t buflen  __attribute__ ((unused)))
+ {
+ #ifdef HAVE_TTYNAME_R
++#if __DARWIN_UNIX03
+   return ttyname_r (((unix_stream *)s)->fd, buf, buflen);
++#else
++  char *p = ttyname_r (((unix_stream *)s)->fd, buf, buflen);
++  if (!p)
++    return errno;
++  return 0;
++#endif
+ #elif defined HAVE_TTYNAME
+   char *p;
+   size_t plen;
+diff --git libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
+index 607ecae6808..2d2fceedf79 100644
+--- libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
++++ libsanitizer/sanitizer_common/sanitizer_common_interceptors.inc
+@@ -5036,6 +5036,7 @@ INTERCEPTOR(char *, ttyname, int fd) {
+ #endif
+
+ #if SANITIZER_INTERCEPT_TTYNAME_R
++#if __DARWIN_UNIX03
+ INTERCEPTOR(int, ttyname_r, int fd, char *name, SIZE_T namesize) {
+   void *ctx;
+   COMMON_INTERCEPTOR_ENTER(ctx, ttyname_r, fd, name, namesize);
+@@ -5044,6 +5045,17 @@ INTERCEPTOR(int, ttyname_r, int fd, char *name, SIZE_T namesize) {
+     COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
+   return res;
+ }
++#else
++INTERCEPTOR(char*, ttyname_r, int fd, char *name, SIZE_T namesize) {
++  void *ctx;
++  COMMON_INTERCEPTOR_ENTER(ctx, ttyname_r, fd, name, namesize);
++  char *res = REAL(ttyname_r)(fd, name, namesize);
++  if (res != nullptr)
++    COMMON_INTERCEPTOR_WRITE_RANGE(ctx, name, internal_strlen(name) + 1);
++  return res;
++}
++#endif
++
+ #define INIT_TTYNAME_R COMMON_INTERCEPT_FUNCTION(ttyname_r);
+ #else
+ #define INIT_TTYNAME_R
+-- 
+2.43.0
+