Merge branch 'eschnett-eschnett/gcc-osx-2' into develop

var/spack/repos/builtin/packages/gcc/darwin/gcc-4.9.patch1

+diff --git a/gcc/configure b/gcc/configure
+index 9523773..52b0bf7 100755
+--- a/gcc/configure
++++ b/gcc/configure
+@@ -24884,7 +24884,7 @@ if test "${gcc_cv_as_ix86_filds+set}" = set; then :
+ else
+   gcc_cv_as_ix86_filds=no
+   if test x$gcc_cv_as != x; then
+-    $as_echo 'filds mem; fists mem' > conftest.s
++    $as_echo 'filds (%ebp); fists (%ebp)' > conftest.s
+     if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
+   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+   (eval $ac_try) 2>&5
+@@ -24915,7 +24915,7 @@ if test "${gcc_cv_as_ix86_fildq+set}" = set; then :
+ else
+   gcc_cv_as_ix86_fildq=no
+   if test x$gcc_cv_as != x; then
+-    $as_echo 'fildq mem; fistpq mem' > conftest.s
++    $as_echo 'fildq (%ebp); fistpq (%ebp)' > conftest.s
+     if { ac_try='$gcc_cv_as $gcc_cv_as_flags  -o conftest.o conftest.s >&5'
+   { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+   (eval $ac_try) 2>&5
+diff --git a/gcc/configure.ac b/gcc/configure.ac
+index 68b0ee8..bd53978 100644
+--- a/gcc/configure.ac
++++ b/gcc/configure.ac
+@@ -3869,13 +3869,13 @@ foo:	nop
+ 
+     gcc_GAS_CHECK_FEATURE([filds and fists mnemonics],
+        gcc_cv_as_ix86_filds,,,
+-       [filds mem; fists mem],,
++       [filds (%ebp); fists (%ebp)],,
+        [AC_DEFINE(HAVE_AS_IX86_FILDS, 1,
+          [Define if your assembler uses filds and fists mnemonics.])])
+ 
+     gcc_GAS_CHECK_FEATURE([fildq and fistpq mnemonics],
+        gcc_cv_as_ix86_fildq,,,
+-       [fildq mem; fistpq mem],,
++       [fildq (%ebp); fistpq (%ebp)],,
+        [AC_DEFINE(HAVE_AS_IX86_FILDQ, 1,
+          [Define if your assembler uses fildq and fistq mnemonics.])])
+ 

var/spack/repos/builtin/packages/gcc/darwin/gcc-4.9.patch2

+From 82f81877458ea372176eabb5de36329431dce99b Mon Sep 17 00:00:00 2001
+From: Iain Sandoe <iain@codesourcery.com>
+Date: Sat, 21 Dec 2013 00:30:18 +0000
+Subject: [PATCH] don't try to mark local symbols as no-dead-strip
+
+---
+ gcc/config/darwin.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/gcc/config/darwin.c b/gcc/config/darwin.c
+index 40804b8..0080299 100644
+--- a/gcc/config/darwin.c
++++ b/gcc/config/darwin.c
+@@ -1259,6 +1259,11 @@ darwin_encode_section_info (tree decl, rtx rtl, int first ATTRIBUTE_UNUSED)
+ void
+ darwin_mark_decl_preserved (const char *name)
+ {
++  /* Actually we shouldn't mark any local symbol this way, but for now
++     this only happens with ObjC meta-data.  */
++  if (darwin_label_is_anonymous_local_objc_name (name))
++    return;
++
+   fprintf (asm_out_file, "\t.no_dead_strip ");
+   assemble_name (asm_out_file, name);
+   fputc ('\n', asm_out_file);
+-- 
+2.2.1
+

var/spack/repos/builtin/packages/gcc/package.py

@@ -26,6 +26,8 @@
 
 from contextlib import closing
 from glob import glob
+import sys
+import os
 
 class Gcc(Package):
     """The GNU Compiler Collection includes front ends for C, C++,
@@ -47,24 +49,33 @@ class Gcc(Package):
     version('4.6.4', 'b407a3d1480c11667f293bfb1f17d1a4')
     version('4.5.4', '27e459c2566b8209ab064570e1b378f7')
 
-    variant('gold', default=True, description="Build the gold linker plugin for ld-based LTO")
+    variant('binutils', default=sys.platform != 'darwin',
+        description="Build via binutils")
+    variant('gold', default=sys.platform != 'darwin',
+        description="Build the gold linker plugin for ld-based LTO")
 
     depends_on("mpfr")
     depends_on("gmp")
     depends_on("mpc", when='@4.5:')
     depends_on("isl", when='@5.0:')
-    depends_on("binutils~libiberty", when='~gold')
-    depends_on("binutils~libiberty+gold", when='+gold')
+    depends_on("binutils~libiberty", when='+binutils ~gold')
+    depends_on("binutils~libiberty+gold", when='+binutils +gold')
 
+    # TODO: integrate these libraries.
     #depends_on("ppl")
     #depends_on("cloog")
+    if sys.platform == 'darwin':
+        patch('darwin/gcc-4.9.patch1', when='@4.9.3')
+        patch('darwin/gcc-4.9.patch2', when='@4.9.3')
 
     def install(self, spec, prefix):
         # libjava/configure needs a minor fix to install into spack paths.
-        filter_file(r"'@.*@'", "'@[[:alnum:]]*@'", 'libjava/configure', string=True)
+        filter_file(r"'@.*@'", "'@[[:alnum:]]*@'", 'libjava/configure',
+            string=True)
 
         enabled_languages = set(('c', 'c++', 'fortran', 'java', 'objc'))
-        if spec.satisfies("@4.7.1:"):
+
+        if spec.satisfies("@4.7.1:") and sys.platform != 'darwin':
             enabled_languages.add('go')
 
         # Generic options to compile GCC
@@ -72,32 +83,40 @@ def install(self, spec, prefix):
                    "--libdir=%s/lib64" % prefix,
                    "--disable-multilib",
                    "--enable-languages=" + ','.join(enabled_languages),
-                   "--with-mpc=%s"    % spec['mpc'].prefix,
-                   "--with-mpfr=%s"   % spec['mpfr'].prefix,
-                   "--with-gmp=%s"    % spec['gmp'].prefix,
+                   "--with-mpc=%s" % spec['mpc'].prefix,
+                   "--with-mpfr=%s" % spec['mpfr'].prefix,
+                   "--with-gmp=%s" % spec['gmp'].prefix,
                    "--enable-lto",
-                   "--with-gnu-ld",
-                   "--with-gnu-as",
                    "--with-quad"]
         # Binutils
-        static_bootstrap_flags = "-static-libstdc++ -static-libgcc"
-        binutils_options = ["--with-sysroot=/",
-                            "--with-stage1-ldflags=%s %s" % (self.rpath_args, static_bootstrap_flags),
-                            "--with-boot-ldflags=%s %s"   % (self.rpath_args, static_bootstrap_flags),
-                            "--with-ld=%s/bin/ld" % spec['binutils'].prefix,
-                            "--with-as=%s/bin/as" % spec['binutils'].prefix]
-        options.extend(binutils_options)
+        if spec.satisfies('+binutils'):
+            static_bootstrap_flags = "-static-libstdc++ -static-libgcc"
+            binutils_options = ["--with-sysroot=/",
+                                "--with-stage1-ldflags=%s %s" %
+                                    (self.rpath_args, static_bootstrap_flags),
+                                "--with-boot-ldflags=%s %s" %
+                                    (self.rpath_args, static_bootstrap_flags),
+                                "--with-gnu-ld",
+                                "--with-ld=%s/bin/ld" % spec['binutils'].prefix,
+                                "--with-gnu-as",
+                                "--with-as=%s/bin/as" % spec['binutils'].prefix]
+            options.extend(binutils_options)
         # Isl
         if 'isl' in spec:
             isl_options = ["--with-isl=%s" % spec['isl'].prefix]
             options.extend(isl_options)
 
+        if sys.platform == 'darwin' :
+            darwin_options = [ "--with-build-config=bootstrap-debug" ]
+            options.extend(darwin_options)
+
         build_dir = join_path(self.stage.path, 'spack-build')
         configure = Executable( join_path(self.stage.source_path, 'configure') )
         with working_dir(build_dir, create=True):
             # Rest of install is straightforward.
             configure(*options)
-            make()
+            if sys.platform == 'darwin' : make("bootstrap")
+            else: make()
             make("install")
 
         self.write_rpath_specs()
@@ -114,7 +133,8 @@ def write_rpath_specs(self):
         """Generate a spec file so the linker adds a rpath to the libs
            the compiler used to build the executable."""
         if not self.spec_dir:
-            tty.warn("Could not install specs for %s." % self.spec.format('$_$@'))
+            tty.warn("Could not install specs for %s." %
+                self.spec.format('$_$@'))
             return
 
         gcc = Executable(join_path(self.prefix.bin, 'gcc'))
@@ -124,5 +144,6 @@ def write_rpath_specs(self):
             for line in lines:
                 out.write(line + "\n")
                 if line.startswith("*link:"):
-                    out.write("-rpath %s/lib:%s/lib64 \\\n"% (self.prefix, self.prefix))
+                    out.write("-rpath %s/lib:%s/lib64 \\\n" %
+                        (self.prefix, self.prefix))
         set_install_permissions(specs_file)