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, 92 insertions, 20 deletions

diff --git a/scripts/build/patches/llvm38.patch b/scripts/build/patches/llvm38.patch
index e6afcce9..f2de69b0 100644
--- a/scripts/build/patches/llvm38.patch
+++ b/scripts/build/patches/llvm38.patch
@@ -1,22 +1,7 @@
---- include/llvm/IR/ValueMap.h
-+++ include/llvm/IR/ValueMap.h
-@@ -99,7 +99,7 @@ public:
-   explicit ValueMap(const ExtraData &Data, unsigned NumInitBuckets = 64)
-       : Map(NumInitBuckets), Data(Data) {}
- 
--  bool hasMD() const { return MDMap; }
-+  bool hasMD() const { return static_cast<bool>(MDMap); }
-   MDMapT &MD() {
-     if (!MDMap)
-       MDMap.reset(new MDMapT);
-
-
-Backport from https://reviews.llvm.org/rC330696 to include the detection of GCC
-versions without second and third component in path, such as
-"/usr/lib/gcc/x86_64-redhat-linux/8/". Support for single digit versions was
-introduced with https://reviews.llvm.org/D14727
---- tools/clang/lib/Driver/ToolChains.cpp
-+++ tools/clang/lib/Driver/ToolChains.cpp
+diff --git a/clang/lib/Driver/ToolChains.cpp b/clang/lib/Driver/ToolChains.cpp
+index 99c7b8e6..f9a57b25 100644
+--- a/clang/lib/Driver/ToolChains.cpp
++++ b/clang/lib/Driver/ToolChains.cpp
 @@ -1241,20 +1241,31 @@ Generic_GCC::GCCVersion Linux::GCCVersion::Parse(StringRef VersionText) {
    if (First.first.getAsInteger(10, GoodVersion.Major) || GoodVersion.Major < 0)
      return BadVersion;
@@ -35,7 +20,7 @@ introduced with https://reviews.llvm.org/D14727
      return BadVersion;
 -  GoodVersion.MinorStr = Second.first.str();
 +  GoodVersion.MinorStr = MinorStr.str();
- 
+
    // First look for a number prefix and parse that if present. Otherwise just
    // stash the entire patch string in the suffix, and leave the number
    // unspecified. This covers versions strings such as:
@@ -52,4 +37,91 @@ introduced with https://reviews.llvm.org/D14727
    if (!PatchText.empty()) {
      if (size_t EndNumber = PatchText.find_first_not_of("0123456789")) {
        // Try to parse the number and any suffix.
+diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+index 70799663..b9ca8b9d 100644
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_linux.cc
+@@ -565,8 +565,7 @@ 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);
+ }
+
+diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_linux.h b/compiler-rt/lib/sanitizer_common/sanitizer_linux.h
+index 77bfbd15..5572793e 100644
+--- 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);
+ void internal_sigfillset(__sanitizer_sigset_t *set);
+diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
+index d1e2f6ac..2df7be58 100644
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_stoptheworld_linux_libcdep.cc
+@@ -272,7 +272,7 @@ 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;
+diff --git a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
+index 66025611..98a5b135 100644
+--- a/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
++++ b/compiler-rt/lib/tsan/rtl/tsan_platform_linux.cc
+@@ -311,7 +311,7 @@ bool IsGlobalVar(uptr addr) {
+ 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];
+diff --git a/libcxx/include/__locale b/libcxx/include/__locale
+index 7bc701dd..ae0372fe 100644
+--- 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)
+diff --git a/llvm/include/llvm/IR/ValueMap.h b/llvm/include/llvm/IR/ValueMap.h
+index ad518ac0..d928f6a2 100644
+--- a/llvm/include/llvm/IR/ValueMap.h
++++ b/llvm/include/llvm/IR/ValueMap.h
+@@ -99,7 +99,7 @@ public:
+   explicit ValueMap(const ExtraData &Data, unsigned NumInitBuckets = 64)
+       : Map(NumInitBuckets), Data(Data) {}
+
+-  bool hasMD() const { return MDMap; }
++  bool hasMD() const { return static_cast<bool>(MDMap); }
+   MDMapT &MD() {
+     if (!MDMap)
+       MDMap.reset(new MDMapT);
\ No newline at end of file