# This file contains the default configuration to compile for Darwin
# platforms. It contains sensitive enviroment configuration that
# shouldn't be modified unless you know what you are doing.
# PLEASE, DO NOT EDIT THIS FILE

import os
from cerbero.config import Architecture, DistroVersion
from cerbero.utils import shell
from cerbero.errors import FatalError

# We don't want anything from macports detected in configure and
# used later. System libs are passed through the -isysroot option
allow_system_libs=False

if 'nogi' not in variants:
    variants.append('gi')

if target_arch == Architecture.X86_64:
    build='x86_64-apple-darwin12'
elif target_arch == Architecture.X86:
    build='i386-apple-darwin12'
elif target_arch == Architecture.UNIVERSAL:
    build='universal-apple-darwin12'

# By default we ask for the 'latest' SDK. This can be overriden by 
# configure using 'osx_target_sdk_version' (e.g. set to '10.10')
sdk_requested_version = '' # Empty == latest
if osx_target_sdk_version is not None:
    sdk_requested_version = osx_target_sdk_version

sdk_root = None
ret = shell.check_call('xcodebuild -sdk macosx%s -version Path' % sdk_requested_version).strip()
if ret.startswith('/Applications'):
  sdk_root = ret

if sdk_root is None:
    raise FatalError("Could not determine SDK path with requested version %s: %s" % (sdk_requested_version, ret))
elif not os.path.exists(sdk_root):
    raise FatalError("Determined SDK path %s does not exist. Is your XCode installation broken?" % sdk_root);

min_osx_sdk_version = min_osx_sdk_version or '10.10'
sdk='-mmacosx-version-min=%s -isysroot %s' % (min_osx_sdk_version, sdk_root)

# Initialize all these so we can just do += later
for f in ['CFLAGS', 'CCASFLAGS', 'CXXFLAGS', 'OBJCFLAGS', 'CPPFLAGS', 'LDFLAGS']:
    os.environ[f] = os.environ.get(f, '')

arch_cflags = '-Wall -g -O2'
arch_ldflags = ' -headerpad_max_install_names -Wl,-headerpad_max_install_names -Wno-error=unused-command-line-argument '

if target_arch == Architecture.X86_64:
    arch_cflags += ' -arch x86_64 -m64'
    arch_ldflags += ' -arch x86_64 -m64 -Wl,-arch,x86_64'
elif target_arch == Architecture.X86:
    arch_cflags += ' -arch i386 -m32'
    arch_ldflags += ' -arch i386 -m32 -Wl,-arch,i386'
    os.environ['VERSIONER_PYTHON_PREFER_32_BIT'] = 'yes'

arch_cflags += ' -Wno-error=format-nonliteral '


incl_dir = os.path.join(prefix, 'include')
if not os.path.exists(incl_dir):
    os.makedirs(incl_dir)

# Append to these flags if not already present
for f in ['CFLAGS', 'CCASFLAGS', 'CXXFLAGS', 'OBJCFLAGS']:
    if arch_cflags not in os.environ[f]:
        os.environ[f] += ' %s ' % arch_cflags
    incflag = '-I' + incl_dir
    if incflag not in os.environ[f]:
        os.environ[f] += ' %s ' % incflag
    if sdk not in os.environ[f]:
        os.environ[f] += ' %s ' % sdk

# To ensure that AC_CHECK_HEADER etc detect the right headers
if arch_cflags not in os.environ['CPPFLAGS']:
    os.environ['CPPFLAGS'] += ' %s ' % arch_cflags
if sdk not in os.environ['CPPFLAGS']:
    os.environ['CPPFLAGS'] += ' %s ' % sdk

if arch_ldflags not in os.environ['LDFLAGS']:
    os.environ['LDFLAGS'] += ' %s ' % arch_ldflags
if sdk not in os.environ['LDFLAGS']:
    os.environ['LDFLAGS'] += ' %s ' % sdk

os.environ['STRIP'] = 'strip'
os.environ['LD'] = 'ld'
os.environ['AR'] = 'ar'
os.environ['RANLIB'] = 'ranlib'
os.environ['NM'] = 'nm'
os.environ['OBJCOPY'] = 'objcopy'
os.environ['CC'] = 'clang'
os.environ['OBJC'] = 'clang'
os.environ['CXX'] = 'clang++'

if target_arch != Architecture.UNIVERSAL:
    # Ensure lightweight architectures are build when only targetting one arch
    os.environ['ARCHFLAGS'] = '-arch %s' % target_arch

# Link GL headers
gl_headers = os.path.join(sdk_root, 'usr', 'X11', 'include', 'GL')
if not os.path.exists(gl_headers):
    gl_headers = os.path.join(sdk_root, 'System', 'Library', 'Frameworks', 'OpenGL.framework', 'Headers')

gl_headers_prefix = os.path.join(incl_dir, 'GL')
if not os.path.exists(gl_headers_prefix):
    if os.path.lexists(gl_headers_prefix):
        os.remove(gl_headers_prefix)
    os.symlink(gl_headers, gl_headers_prefix)
if not os.path.exists(gl_headers_prefix):
    raise Exception ("GL headers path not found: %s" % gl_headers)

if use_ccache:
    comp = os.environ.get('CC', 'clang')
    if not 'ccache' in comp:
        os.environ['CC'] = 'ccache ' + comp
    comp = os.environ.get('CXX', 'clang++')
    if not 'ccache' in comp:
        os.environ['CXX'] = 'ccache ' + comp

# Workaround for https://openradar.appspot.com/22671534 on 10.11.
os.environ['gl_cv_func_getcwd_abort_bug'] = 'no'