# SConstruct (10.09.09)
# SConscript for all components.
#
-# Copyright (C) 2009, 2010 Andrew Nayenko
+# Free exFAT implementation.
+# Copyright (C) 2010-2013 Andrew Nayenko
#
-# This program is free software: you can redistribute it and/or modify
+# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
+# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
-# You should have received a copy of the GNU General Public License
-# along with this program. If not, see <http://www.gnu.org/licenses/>.
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
import os
+import platform
+import SCons
-# Define __DARWIN_64_BIT_INO_T=0 is needed for Snow Leopard support because
-# in it's headers inode numbers are 64-bit by default, but libfuse operates
-# 32-bit inode numbers. It's also possible to link against libfuse_ino64
-# instead.
-cflags = '-Wall -O2 -ggdb -D_FILE_OFFSET_BITS=64 -D__DARWIN_64_BIT_INO_T=0 -Ilibexfat'
-ldflags = ''
+env = Environment(**ARGUMENTS)
+for var in ['PATH', 'SYSROOT']:
+ if var in os.environ:
+ env['ENV'][var] = os.environ[var]
-Library('libexfat/exfat', Glob('libexfat/*.c'), CFLAGS = cflags, LINKFLAGS = ldflags)
-fsck = Program('fsck/exfatck', Glob('fsck/*.c'), CFLAGS = cflags, LINKFLAGS = ldflags, LIBS = ['exfat'], LIBPATH = 'libexfat')
-mount = Program('fuse/mount.exfat-fuse', Glob('fuse/*.c'), CFLAGS = cflags + ' -DFUSE_USE_VERSION=26', LINKFLAGS = ldflags, LIBS = ['exfat', 'fuse'], LIBPATH = 'libexfat')
+destdir = env.get('DESTDIR', '/sbin');
+libs = ['exfat']
+libfuse = 'fuse'
-try:
- destdir = os.environ['DESTDIR']
-except:
- destdir = '/sbin'
-Alias('install', Install(dir = destdir, source = mount))
+if not env.GetOption('clean'):
+ conf = Configure(env)
-Default([mount, fsck])
+ if 'AR' in os.environ:
+ conf.env.Replace(AR = os.environ['AR'])
+ if 'RANLIB' in os.environ:
+ conf.env.Replace(RANLIB = os.environ['RANLIB'])
+ if 'CC' in os.environ:
+ conf.env.Replace(CC = os.environ['CC'])
+ if 'CCFLAGS' in os.environ:
+ conf.env.Replace(CCFLAGS = os.environ['CCFLAGS'])
+ # Set default CCFLAGS for known compilers
+ if not conf.env['CCFLAGS']:
+ if conf.env['CC'] == 'gcc':
+ conf.env.Replace(CCFLAGS = '-Wall -O2 -ggdb -std=c99')
+ elif conf.env['CC'] == 'clang':
+ conf.env.Replace(CCFLAGS = '-Wall -O2 -g -std=c99')
+ if 'CPPFLAGS' in os.environ:
+ conf.env.Replace(CPPFLAGS = os.environ['CPPFLAGS'])
+ conf.env.Append(CPPDEFINES = {'_FILE_OFFSET_BITS' : 64})
+ conf.env.Append(CPPPATH = ['libexfat'])
+ if 'LDFLAGS' in os.environ:
+ conf.env.Append(LINKFLAGS = os.environ['LDFLAGS'])
+ conf.env.Append(LIBPATH = ['libexfat'])
+
+ # GNU/Linux requires _BSD_SOURCE define for vsyslog(), _XOPEN_SOURCE >= 500
+ # for pread(), pwrite(), snprintf(), strdup(), etc. Everything needed is
+ # enabled by _GNU_SOURCE.
+ if platform.system() == 'Linux':
+ conf.env.Append(CPPDEFINES = '_GNU_SOURCE');
+
+ # Use 64-bit inode numbers (introduced in Mac OS X 10.5 Leopard). Require
+ # OSXFUSE (http://osxfuse.github.com).
+ if platform.system() == 'Darwin':
+ conf.env.Append(CPPDEFINES = '_DARWIN_USE_64_BIT_INODE')
+ conf.env.Append(CPPDEFINES = {'__DARWIN_UNIX03' : 1})
+ conf.env.Append(CPPPATH = ['/usr/local/include/osxfuse'])
+ conf.env.Append(CFLAGS = '-mmacosx-version-min=10.5')
+ conf.env.Append(LINKFLAGS = '-mmacosx-version-min=10.5')
+ libfuse = 'osxfuse_i64'
+
+ # FreeBSD does not support block devices, only raw devices. Ublio is
+ # required for unaligned I/O and caching.
+ if platform.system() == 'FreeBSD':
+ conf.env.Append(CPPDEFINES = 'USE_UBLIO')
+ libs.append('ublio')
+ conf.env.Append(CPPPATH = ['/usr/local/include'])
+ conf.env.Append(LIBPATH = ['/usr/local/lib'])
+
+ if not conf.CheckCC():
+ print '''
+ A working C compiler is needed very much.
+'''
+ Exit(1)
+
+ if not conf.CheckTypeSize('off_t', '#include <sys/types.h>', 'C', 8):
+ print '''
+ The size of off_t type must be 64 bits. File systems larger than
+ 2 GB will be corrupted with 32-bit off_t.
+'''
+ Exit(1)
+
+ env = conf.Finish()
+
+
+
+def make_symlink(dir, target, link_name):
+ workdir = os.getcwd()
+ os.chdir(dir)
+ try:
+ os.remove(link_name)
+ except OSError:
+ pass
+ os.symlink(target, link_name)
+ os.chdir(workdir)
+
+symlink = SCons.Action.ActionFactory(make_symlink,
+ lambda dir, target, link_name:
+ 'make_symlink("%s", "%s", "%s")' % (dir, target, link_name))
+
+def program(pattern, output, alias, libs):
+ sources = Glob(pattern)
+ if not sources:
+ return
+ target = env.Program(output, sources, LIBS = libs)
+ if alias:
+ Clean(Alias('install', Install(destdir, target),
+ symlink(destdir, os.path.basename(output), alias)),
+ destdir + '/' + alias)
+ else:
+ Alias('install', Install(destdir, target))
+
+env.Library('libexfat/exfat', Glob('libexfat/*.c'))
+
+program('fuse/*.c', 'fuse/mount.exfat-fuse', 'mount.exfat', [libs + [libfuse]])
+program('dump/*.c', 'dump/dumpexfat', None, libs)
+program('fsck/*.c', 'fsck/exfatfsck', 'fsck.exfat', libs)
+program('mkfs/*.c', 'mkfs/mkexfatfs', 'mkfs.exfat', libs)
+program('label/*.c', 'label/exfatlabel', None, libs)
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