Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 82 insertions, 0 deletions

diff --git a/meson/mesonbuild/compilers/mixins/elbrus.py b/meson/mesonbuild/compilers/mixins/elbrus.py
new file mode 100644
index 000000000..16f621005
--- /dev/null
+++ b/meson/mesonbuild/compilers/mixins/elbrus.py
@@ -0,0 +1,82 @@
+# Copyright 2019 The meson development team
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Abstractions for the Elbrus family of compilers."""
+
+import os
+import typing as T
+import subprocess
+import re
+
+from .gnu import GnuLikeCompiler
+from .gnu import gnu_optimization_args
+from ...mesonlib import Popen_safe, OptionKey
+
+if T.TYPE_CHECKING:
+    from ...environment import Environment
+
+
+class ElbrusCompiler(GnuLikeCompiler):
+    # Elbrus compiler is nearly like GCC, but does not support
+    # PCH, LTO, sanitizers and color output as of version 1.21.x.
+
+    def __init__(self) -> None:
+        super().__init__()
+        self.id = 'lcc'
+        self.base_options = {OptionKey(o) for o in ['b_pgo', 'b_coverage', 'b_ndebug', 'b_staticpic', 'b_lundef', 'b_asneeded']}
+
+    # FIXME: use _build_wrapper to call this so that linker flags from the env
+    # get applied
+    def get_library_dirs(self, env: 'Environment', elf_class: T.Optional[int] = None) -> T.List[str]:
+        os_env = os.environ.copy()
+        os_env['LC_ALL'] = 'C'
+        stdo = Popen_safe(self.exelist + ['--print-search-dirs'], env=os_env)[1]
+        for line in stdo.split('\n'):
+            if line.startswith('libraries:'):
+                # lcc does not include '=' in --print-search-dirs output. Also it could show nonexistent dirs.
+                libstr = line.split(' ', 1)[1]
+                return [os.path.realpath(p) for p in libstr.split(':') if os.path.exists(p)]
+        return []
+
+    def get_program_dirs(self, env: 'Environment') -> T.List[str]:
+        os_env = os.environ.copy()
+        os_env['LC_ALL'] = 'C'
+        stdo = Popen_safe(self.exelist + ['--print-search-dirs'], env=os_env)[1]
+        for line in stdo.split('\n'):
+            if line.startswith('programs:'):
+                # lcc does not include '=' in --print-search-dirs output.
+                libstr = line.split(' ', 1)[1]
+                return [os.path.realpath(p) for p in libstr.split(':')]
+        return []
+
+    def get_default_include_dirs(self) -> T.List[str]:
+        os_env = os.environ.copy()
+        os_env['LC_ALL'] = 'C'
+        p = subprocess.Popen(self.exelist + ['-xc', '-E', '-v', '-'], env=os_env, stdin=subprocess.DEVNULL, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+        stderr = p.stderr.read().decode('utf-8', errors='replace')
+        includes = []
+        for line in stderr.split('\n'):
+            if line.lstrip().startswith('--sys_include'):
+                includes.append(re.sub(r'\s*\\$', '', re.sub(r'^\s*--sys_include\s*', '', line)))
+        return includes
+
+    def get_optimization_args(self, optimization_level: str) -> T.List[str]:
+        return gnu_optimization_args[optimization_level]
+
+    def get_pch_suffix(self) -> str:
+        # Actually it's not supported for now, but probably will be supported in future
+        return 'pch'
+
+    def openmp_flags(self) -> T.List[str]:
+        return ['-fopenmp']