X-Git-Url: http://git.sven.stormbind.net/?p=sven%2Fexfat-utils.git;a=blobdiff_plain;f=SConstruct;h=e40a3409aaf1a3c3da2dbcf16a22ab0881d73c62;hp=e4b2b104d6af33ab237e98e689342345e63981dc;hb=6b81bcd3e9fe39edc6868151d2ac7612c8d0fb80;hpb=4cb393cfd9b0ab69392612521ee3dbe481ec492d

diff --git a/SConstruct b/SConstruct
index e4b2b10..e40a340 100644
--- a/SConstruct
+++ b/SConstruct
@@ -2,7 +2,7 @@
 #	SConstruct (10.09.09)
 #	SConscript for all components.
 #
-#	Copyright (C) 2009, 2010  Andrew Nayenko
+#	Copyright (C) 2010-2013  Andrew Nayenko
 #
 #	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
@@ -23,23 +23,79 @@ import platform
 import SCons
 
 env = Environment(**ARGUMENTS)
+for var in ['PATH', 'SYSROOT']:
+	if var in os.environ:
+		env['ENV'][var] = os.environ[var]
+
 destdir = env.get('DESTDIR', '/sbin');
-targets = []
-
-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 = '')
+libs = ['exfat']
+libfuse = 'fuse'
+
+if not env.GetOption('clean'):
+	conf = Configure(env)
+
+	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()
@@ -55,27 +111,22 @@ 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 = None, lib = None):
+def program(pattern, output, alias, libs):
 	sources = Glob(pattern)
 	if not sources:
 		return
-	libs = ['exfat']
-	if lib:
-		libs.append(lib)
-	target = env.Program(output, sources, LIBS = libs, LIBPATH = 'libexfat')
+	target = env.Program(output, sources, LIBS = libs)
 	if alias:
-		Alias('install', Install(destdir, target),
-				symlink(destdir, os.path.basename(output), alias))
+		Clean(Alias('install', Install(destdir, target),
+				symlink(destdir, os.path.basename(output), alias)),
+				destdir + '/' + alias)
 	else:
 		Alias('install', Install(destdir, target))
-	targets.append(target)
 
 env.Library('libexfat/exfat', Glob('libexfat/*.c'))
 
-program('fuse/*.c', 'fuse/mount.exfat-fuse', 'mount.exfat', ['fuse'])
-program('dump/*.c', 'dump/dumpexfat')
-program('fsck/*.c', 'fsck/exfatfsck', 'fsck.exfat')
-program('mkfs/*.c', 'mkfs/mkexfatfs', 'mkfs.exfat')
-program('label/*.c', 'label/exfatlabel')
-
-Default(targets)
+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)