main/gcc: fixes, support crosscompiler creation

 - implement cross compiler creation
 - fix musl build
 - fix cross-building
 - fix ada to default to shared linking
 - fix gcc-gnat dependencies

1 files changed, 118 insertions, 0 deletions

diff --git a/main/gcc/ada-musl.patch b/main/gcc/ada-musl.patch
new file mode 100644
index 000000000..8255e3b36
--- /dev/null
+++ b/main/gcc/ada-musl.patch
@@ -0,0 +1,118 @@
+--- gcc-4.8.1/gcc/ada/adaint.c.orig
++++ gcc-4.8.1/gcc/ada/adaint.c
+@@ -67,6 +67,11 @@
+ #include <sys/pstat.h>
+ #endif
+ 
++#if defined (linux)
++#define _GNU_SOURCE 1
++#include <sched.h>
++#endif
++
+ #ifdef VMS
+ #define _POSIX_EXIT 1
+ #define HOST_EXECUTABLE_SUFFIX ".exe"
+@@ -3782,8 +3787,6 @@
+    return (void *) syscall (__NR_gettid);
+ }
+ 
+-#include <sched.h>
+-
+ /* glibc versions earlier than 2.7 do not define the routines to handle
+    dynamically allocated CPU sets. For these targets, we use the static
+    versions. */
+@@ -3792,7 +3795,7 @@
+ 
+ /* Dynamic cpu sets */
+ 
+-cpu_set_t *__gnat_cpu_alloc (size_t count)
++void *__gnat_cpu_alloc (size_t count)
+ {
+   return CPU_ALLOC (count);
+ }
+@@ -3802,30 +3805,30 @@
+   return CPU_ALLOC_SIZE (count);
+ }
+ 
+-void __gnat_cpu_free (cpu_set_t *set)
++void __gnat_cpu_free (void *set)
+ {
+-  CPU_FREE (set);
++  CPU_FREE ((cpu_set_t *) set);
+ }
+ 
+-void __gnat_cpu_zero (size_t count, cpu_set_t *set)
++void __gnat_cpu_zero (size_t count, void *set)
+ {
+-  CPU_ZERO_S (count, set);
++  CPU_ZERO_S (count, (cpu_set_t *) set);
+ }
+ 
+-void __gnat_cpu_set (int cpu, size_t count, cpu_set_t *set)
++void __gnat_cpu_set (int cpu, size_t count, void *set)
+ {
+   /* Ada handles CPU numbers starting from 1, while C identifies the first
+      CPU by a 0, so we need to adjust. */
+-  CPU_SET_S (cpu - 1, count, set);
++  CPU_SET_S (cpu - 1, count, (cpu_set_t *) set);
+ }
+ 
+ #else
+ 
+ /* Static cpu sets */
+ 
+-cpu_set_t *__gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
++void *__gnat_cpu_alloc (size_t count ATTRIBUTE_UNUSED)
+ {
+-  return (cpu_set_t *) xmalloc (sizeof (cpu_set_t));
++  return xmalloc (sizeof (cpu_set_t));
+ }
+ 
+ size_t __gnat_cpu_alloc_size (size_t count ATTRIBUTE_UNUSED)
+@@ -3833,21 +3836,21 @@
+   return sizeof (cpu_set_t);
+ }
+ 
+-void __gnat_cpu_free (cpu_set_t *set)
++void __gnat_cpu_free (void *set)
+ {
+   free (set);
+ }
+ 
+-void __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
++void __gnat_cpu_zero (size_t count ATTRIBUTE_UNUSED, void *set)
+ {
+-  CPU_ZERO (set);
++  CPU_ZERO ((cpu_set_t *) set);
+ }
+ 
+-void __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, cpu_set_t *set)
++void __gnat_cpu_set (int cpu, size_t count ATTRIBUTE_UNUSED, void *set)
+ {
+   /* Ada handles CPU numbers starting from 1, while C identifies the first
+      CPU by a 0, so we need to adjust. */
+-  CPU_SET (cpu - 1, set);
++  CPU_SET (cpu - 1, (cpu_set_t *) set);
+ }
+ #endif
+ #endif
+--- gcc-4.8.1/gcc/ada/adaint.h.orig
++++ gcc-4.8.1/gcc/ada/adaint.h
+@@ -259,13 +259,11 @@
+ 
+ /* Routines for interface to required CPU set primitives */
+ 
+-#include <sched.h>
+-
+-extern cpu_set_t *__gnat_cpu_alloc                 (size_t);
++extern void * __gnat_cpu_alloc                 (size_t);
+ extern size_t __gnat_cpu_alloc_size                (size_t);
+-extern void   __gnat_cpu_free                  (cpu_set_t *);
+-extern void   __gnat_cpu_zero                      (size_t, cpu_set_t *);
+-extern void   __gnat_cpu_set                       (int, size_t, cpu_set_t *);
++extern void   __gnat_cpu_free                  (void *);
++extern void   __gnat_cpu_zero                      (size_t, void *);
++extern void   __gnat_cpu_set                       (int, size_t, void *);
+ #endif
+ 
+ #if defined (_WIN32)