OSDN Git Service

Merge branch 'master' of http://exfat.googlecode.com/svn/trunk/ into cm-10.2
[android-x86/external-exfat.git] / SConstruct
index 4d17af0..dc31c21 100644 (file)
@@ -2,11 +2,12 @@
 #      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,
@@ -14,8 +15,9 @@
 #      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
@@ -23,47 +25,110 @@ import platform
 import SCons
 
 env = Environment(**ARGUMENTS)
+for var in ['PATH', 'SYSROOT']:
+       if var in os.environ:
+               env['ENV'][var] = os.environ[var]
 
-if not env['CCFLAGS']:
-       if env['CC'] == 'gcc':
-               env['CCFLAGS'] = '-Wall -O2 -ggdb'
-env.Append(CPPDEFINES = {'FUSE_USE_VERSION': 26})
-env.Append(CPPDEFINES = {'_FILE_OFFSET_BITS' : 64})
-# __DARWIN_64_BIT_INO_T=0 define is needed because since Snow Leopard inode
-# numbers are 64-bit by default, but libfuse operates 32-bit ones. This define
-# forces 32-bit inode declaration in system headers, but it's also possible to
-# link against libfuse_ino64 instead.
-if platform.system() == 'Darwin':
-       env.Append(CPPDEFINES = {'__DARWIN_64_BIT_INO_T' : 0})
-       env.Append(CPPDEFINES = {'__DARWIN_UNIX03' : 1})
-env.Append(CPPPATH = ['libexfat'])
-env.Append(LINKFLAGS = '')
+destdir = env.get('DESTDIR', '/sbin');
+libs = ['exfat']
+libfuse = 'fuse'
 
-env.Library('libexfat/exfat', Glob('libexfat/*.c'))
-fsck = env.Program('fsck/exfatck', Glob('fsck/*.c'), LIBS = ['exfat'], LIBPATH = 'libexfat')
-mount = env.Program('fuse/mount.exfat-fuse', Glob('fuse/*.c'), LIBS = ['exfat', 'fuse'], LIBPATH = 'libexfat')
+if not env.GetOption('clean'):
+       conf = Configure(env)
 
-def get_destdir():
-       try:
-               destdir = os.environ['DESTDIR']
-       except KeyError:
-               destdir = '/sbin'
-       return destdir
+       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)
 
-def make_symlink((dir)):
+       env = conf.Finish()
+
+
+
+def make_symlink(dir, target, link_name):
        workdir = os.getcwd()
        os.chdir(dir)
        try:
-               os.remove('mount.exfat')
+               os.remove(link_name)
        except OSError:
                pass
-       os.symlink('mount.exfat-fuse', 'mount.exfat')
+       os.symlink(target, link_name)
        os.chdir(workdir)
 
 symlink = SCons.Action.ActionFactory(make_symlink,
-               lambda dir: 'make_symlink("%s")' % dir)
-Alias('install',
-               Install(dir = get_destdir(), source = mount),
-               symlink(dir = get_destdir()))
+               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'))
 
-Default([mount, fsck])
+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)