# -*- mode: python -*-

Import("env")

files = [
    'src/base/dynamic_annotations.c',
    'src/base/spinlock_internal.cc',
    'src/base/logging.cc',
    'src/base/atomicops-internals-x86.cc',
    'src/base/sysinfo.cc',
    'src/base/spinlock.cc',
    'src/tcmalloc.cc',
    'src/malloc_hook.cc',
    'src/span.cc',
    'src/maybe_threads.cc',
    'src/internal_logging.cc',
    'src/symbolize.cc',
    'src/system-alloc.cc',
    'src/memfs_malloc.cc',
    'src/central_freelist.cc',
    'src/thread_cache.cc',
    'src/page_heap.cc',
    'src/common.cc',
    'src/static_vars.cc',
    'src/stack_trace_table.cc',
    'src/malloc_extension.cc',
    'src/sampler.cc',
    'src/stacktrace.cc'
    ]

__malloc_hook_fragment = '''
#include <malloc.h>
void* (* volatile __malloc_hook)(size_t, const void*) = 0;
'''

def __checkMallocHookVolatile(check_context):
    check_context.Message("Checking if __malloc_hook is declared volatile... ")
    is_malloc_hook_volatile = check_context.TryCompile(__malloc_hook_fragment, '.cc')
    check_context.Result(is_malloc_hook_volatile)
    malloc_hook_define = 'MALLOC_HOOK_MAYBE_VOLATILE='
    if is_malloc_hook_volatile:
        malloc_hook_define += 'volatile'
    check_context.env.Append(CPPDEFINES=[malloc_hook_define])


conf = Configure(env.Clone(), custom_tests=dict(CheckMallocHookVolatile=__checkMallocHookVolatile))
conf.CheckMallocHookVolatile()
env = conf.Finish()


env.Append( CPPDEFINES=["NO_TCMALLOC_SAMPLES","NO_TCMALLOC_SAMPLES","NO_HEAP_CHECK"] )
env.Prepend( CPPPATH=["src/"] )

def removeIfPresent(lst, item):
    try:
        lst.remove(item)
    except ValueError:
        pass

for to_remove in ['-Werror', "-Wsign-compare","-Wall"]:
    removeIfPresent(env['CCFLAGS'], to_remove)

env.StaticLibrary('tcmalloc_minimal', files)
