Use git repository to build LLVM

LLVM changed from svn to github. Use the github mirror to have faster build times.
Patches were updated to follow the new structure.

Patches also support building underr Ubuntu 18.04

1 files changed, 76 insertions, 0 deletions

diff --git a/scripts/build/patches/llvm39.patch b/scripts/build/patches/llvm39.patch
new file mode 100644
index 00000000..da2be4cd
--- /dev/null
+++ b/scripts/build/patches/llvm39.patch
@@ -0,0 +1,76 @@
+--- a/compiler-rt/lib/esan/esan_sideline_linux.cpp
++++ b/compiler-rt/lib/esan/esan_sideline_linux.cpp
+@@ -70,7 +70,7 @@ int SidelineThread::runSideline(void *Arg) {
+
+   // Set up a signal handler on an alternate stack for safety.
+   InternalScopedBuffer<char> StackMap(SigAltStackSize);
+-  struct sigaltstack SigAltStack;
++  stack_t SigAltStack;
+   SigAltStack.ss_sp = StackMap.data();
+   SigAltStack.ss_size = SigAltStackSize;
+   SigAltStack.ss_flags = 0;
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+@@ -607,8 +607,7 @@ uptr internal_prctl(int option, uptr arg2, uptr arg3, uptr arg4, uptr arg5) {
+ }
+ #endif
+
+-uptr internal_sigaltstack(const struct sigaltstack *ss,
+-                         struct sigaltstack *oss) {
++uptr internal_sigaltstack(const void *ss, void *oss) {
+   return internal_syscall(SYSCALL(sigaltstack), (uptr)ss, (uptr)oss);
+ }
+
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.h
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.h
+@@ -21,7 +21,6 @@
+ #include "sanitizer_platform_limits_posix.h"
+
+ struct link_map;  // Opaque type returned by dlopen().
+-struct sigaltstack;
+
+ namespace __sanitizer {
+ // Dirent structure for getdents(). Note that this structure is different from
+@@ -30,8 +29,7 @@ struct linux_dirent;
+
+ // Syscall wrappers.
+ uptr internal_getdents(fd_t fd, struct linux_dirent *dirp, unsigned int count);
+-uptr internal_sigaltstack(const struct sigaltstack* ss,
+-                          struct sigaltstack* oss);
++uptr internal_sigaltstack(const void* ss, void* oss);
+ uptr internal_sigprocmask(int how, __sanitizer_sigset_t *set,
+     __sanitizer_sigset_t *oldset);
+
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
+@@ -273,7 +273,7 @@ static int TracerThread(void* argument) {
+
+   // Alternate stack for signal handling.
+   InternalScopedBuffer<char> handler_stack_memory(kHandlerStackSize);
+-  struct sigaltstack handler_stack;
++  stack_t handler_stack;
+   internal_memset(&handler_stack, 0, sizeof(handler_stack));
+   handler_stack.ss_sp = handler_stack_memory.data();
+   handler_stack.ss_size = kHandlerStackSize;
+--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
++++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
+@@ -282,7 +282,7 @@ void InitializePlatform() {
+ int ExtractResolvFDs(void *state, int *fds, int nfd) {
+ #if SANITIZER_LINUX && !SANITIZER_ANDROID
+   int cnt = 0;
+-  __res_state *statp = (__res_state*)state;
++  struct __res_state *statp = (struct __res_state*)state;
+   for (int i = 0; i < MAXNS && cnt < nfd; i++) {
+     if (statp->_u._ext.nsaddrs[i] && statp->_u._ext.nssocks[i] != -1)
+       fds[cnt++] = statp->_u._ext.nssocks[i];
+--- a/libcxx/include/__locale
++++ b/libcxx/include/__locale
+@@ -34,7 +34,7 @@
+ # include <support/solaris/xlocale.h>
+ #elif defined(_NEWLIB_VERSION)
+ # include <support/newlib/xlocale.h>
+-#elif (defined(__GLIBC__) || defined(__APPLE__)      || defined(__FreeBSD__) \
++#elif (defined(__APPLE__)      || defined(__FreeBSD__) \
+     || defined(__EMSCRIPTEN__) || defined(__IBMCPP__))
+ # include <xlocale.h>
+ #elif defined(_LIBCPP_HAS_MUSL_LIBC)
\ No newline at end of file