main/llvm: update to 3.6.1

clean up and update patchset
switch to cmake
perform a two-stage build with a minimal bootstrap compile of clang
add clang extras
update package list to split out clang documentation
enable pulling from the svn release tags
fix making use of abuild CFLAGS/CXXFLAGS during build
don't run check-llvm, as the tests fail when running under PaX

1 files changed, 82 insertions, 0 deletions

diff --git a/main/llvm/llvm-0003-musl-hacks.patch b/main/llvm/llvm-0003-musl-hacks.patch
new file mode 100644
index 000000000..7d3e0a618
--- /dev/null
+++ b/main/llvm/llvm-0003-musl-hacks.patch
@@ -0,0 +1,82 @@
+diff --git a/include/llvm/Target/TargetLibraryInfo.h b/include/llvm/Target/TargetLibraryInfo.h
+index 46f87b9..41ac5fd 100644
+--- a/include/llvm/Target/TargetLibraryInfo.h
++++ b/include/llvm/Target/TargetLibraryInfo.h
+@@ -13,6 +13,15 @@
+ #include "llvm/ADT/DenseMap.h"
+ #include "llvm/Pass.h"
+
++#undef fopen64
++#undef fseeko64
++#undef fstat64
++#undef fstatvfs64
++#undef ftello64
++#undef lstat64
++#undef stat64
++#undef tmpfile64
++
+ namespace llvm {
+   class Triple;
+
+diff --git a/lib/Support/DynamicLibrary.cpp b/lib/Support/DynamicLibrary.cpp
+index d2b551e..4634a13 100644
+--- a/lib/Support/DynamicLibrary.cpp
++++ b/lib/Support/DynamicLibrary.cpp
+@@ -138,7 +138,7 @@ void* DynamicLibrary::SearchForAddressOfSymbol(const char *symbolName) {
+
+ // This macro returns the address of a well-known, explicit symbol
+ #define EXPLICIT_SYMBOL(SYM) \
+-   if (!strcmp(symbolName, #SYM)) return &SYM
++   if (!strcmp(symbolName, #SYM)) return (void *) &SYM
+
+ // On linux we have a weird situation. The stderr/out/in symbols are both
+ // macros and global variables because of standards requirements. So, we
+diff --git a/lib/Support/Unix/Signals.inc b/lib/Support/Unix/Signals.inc
+index e8f4643..8a320ef 100644
+--- a/lib/Support/Unix/Signals.inc
++++ b/lib/Support/Unix/Signals.inc
+@@ -416,7 +416,7 @@ static bool printSymbolizedStackTrace(void **StackTrace, int Depth, FILE *FD) {
+ // On glibc systems we have the 'backtrace' function, which works nicely, but
+ // doesn't demangle symbols.
+ void llvm::sys::PrintStackTrace(FILE *FD) {
+-#if defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
++#if defined(__GLIBC__) && defined(HAVE_BACKTRACE) && defined(ENABLE_BACKTRACES)
+   static void* StackTrace[256];
+   // Use backtrace() to output a backtrace on Linux systems with glibc.
+   int depth = backtrace(StackTrace,
+diff --git a/lib/Target/TargetLibraryInfo.cpp b/lib/Target/TargetLibraryInfo.cpp
+index c0abdbd..ed908f8 100644
+--- a/lib/Target/TargetLibraryInfo.cpp
++++ b/lib/Target/TargetLibraryInfo.cpp
+@@ -664,14 +664,15 @@ static void initialize(TargetLibraryInfo &TLI, const Triple &T,
+   }
+
+   // The following functions are available on at least Linux:
+-  if (!T.isOSLinux()) {
++  if (!T.isOSLinux())
++    TLI.setUnavailable(LibFunc::memalign);
++  if (1 /*!T.isGlibc()*/) {
+     TLI.setUnavailable(LibFunc::dunder_strdup);
+     TLI.setUnavailable(LibFunc::dunder_strtok_r);
+     TLI.setUnavailable(LibFunc::dunder_isoc99_scanf);
+     TLI.setUnavailable(LibFunc::dunder_isoc99_sscanf);
+     TLI.setUnavailable(LibFunc::under_IO_getc);
+     TLI.setUnavailable(LibFunc::under_IO_putc);
+-    TLI.setUnavailable(LibFunc::memalign);
+     TLI.setUnavailable(LibFunc::fopen64);
+     TLI.setUnavailable(LibFunc::fseeko64);
+     TLI.setUnavailable(LibFunc::fstat64);
+diff --git a/utils/unittest/googletest/src/gtest.cc b/utils/unittest/googletest/src/gtest.cc
+index bf850c6..9e9088c 100644
+--- a/utils/unittest/googletest/src/gtest.cc
++++ b/utils/unittest/googletest/src/gtest.cc
+@@ -120,6 +120,7 @@
+
+ #if GTEST_CAN_STREAM_RESULTS_
+ # include <arpa/inet.h>  // NOLINT
++# include <sys/socket.h>  // NOLINT
+ # include <netdb.h>  // NOLINT
+ #endif
+
+--
+2.1.4