Author: Armin Rigo <[email protected]>
Branch:
Changeset: r1482:56f591248800
Date: 2014-03-19 10:14 +0100
http://bitbucket.org/cffi/cffi/changeset/56f591248800/
Log: (Lisandro Dalcin, part of issue 141)
Check for "__thread" by asking distutils specifically for the same
compiler as the one it will use later.
diff --git a/c/check__thread.c b/c/check__thread.c
deleted file mode 100644
--- a/c/check__thread.c
+++ /dev/null
@@ -1,1 +0,0 @@
-__thread int some_threadlocal_variable_42;
diff --git a/setup.py b/setup.py
--- a/setup.py
+++ b/setup.py
@@ -42,25 +42,14 @@
resultlist[:] = res
def ask_supports_thread():
- if sys.platform == "darwin":
- sys.stderr.write("Note: will not use '__thread' in the C code\n")
- sys.stderr.write("This is for OS/X-specific reasons: confusion "
- "between 'cc' versus 'gcc' (see issue 123)\n")
- return
- import distutils.errors
- from distutils.ccompiler import new_compiler
- compiler = new_compiler(force=1)
- try:
- compiler.compile(['c/check__thread.c'])
- except distutils.errors.CompileError:
+ from distutils.core import Distribution
+ config = Distribution().get_command_obj('config')
+ ok = config.try_compile('__thread int some_threadlocal_variable_42;')
+ if ok:
+ define_macros.append(('USE__THREAD', None))
+ else:
sys.stderr.write("Note: will not use '__thread' in the C code\n")
sys.stderr.write("The above error message can be safely ignored\n")
- else:
- define_macros.append(('USE__THREAD', None))
- try:
- os.unlink('c/check__thread.o')
- except OSError:
- pass
def use_pkg_config():
_ask_pkg_config(include_dirs, '--cflags-only-I', '-I', sysroot=True)
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