wscript

   1 import subprocess
   2 import os
   3 import lut
   4
   5 APPNAME = 'libdcp'
   6 VERSION = '0.39'
   7
   8 def options(opt):
   9     opt.load('compiler_cxx')
  10     opt.add_option('--target-windows', action='store_true', default = False, help = 'set up to do a cross-compile to Windows')
  11     opt.add_option('--enable-debug', action='store_true', default = False, help = 'build with debugging information and without optimisation')
  12     opt.add_option('--static-openjpeg', action='store_true', default = False, help = 'link statically to openjpeg')
  13     opt.add_option('--static-libdcp', action='store_true', default = False, help = 'build libdcp and in-tree dependencies statically')
  14
  15 def configure(conf):
  16     conf.load('compiler_cxx')
  17     conf.env.append_value('CXXFLAGS', ['-Wall', '-Wextra', '-Wno-unused-result', '-O2', '-D_FILE_OFFSET_BITS=64'])
  18     conf.env.append_value('CXXFLAGS', ['-DLIBDCP_VERSION="%s"' % VERSION])
  19
  20     conf.env.TARGET_WINDOWS = conf.options.target_windows
  21     conf.env.STATIC_OPENJPEG = conf.options.static_openjpeg
  22     conf.env.STATIC_LIBDCP = conf.options.static_libdcp
  23     conf.env.ENABLE_DEBUG = conf.options.enable_debug
  24
  25     if conf.options.target_windows:
  26         conf.env.append_value('CXXFLAGS', '-DLIBDCP_WINDOWS')
  27     else:
  28         conf.env.append_value('CXXFLAGS', '-DLIBDCP_POSIX')
  29
  30     conf.check_cfg(package = 'openssl', args = '--cflags --libs', uselib_store = 'OPENSSL', mandatory = True)
  31     conf.check_cfg(package = 'libxml++-2.6', args = '--cflags --libs', uselib_store = 'LIBXML++', mandatory = True)
  32     if conf.options.static_openjpeg:
  33         conf.check_cc(fragment = openjpeg_fragment, msg = 'Checking for library openjpeg', stlib = 'openjpeg', uselib_store = 'OPENJPEG')
  34     else:
  35         conf.check_cfg(package = 'libopenjpeg', args = '--cflags --libs', uselib_store = 'OPENJPEG', mandatory = True)
  36
  37     if conf.options.target_windows:
  38         boost_lib_suffix = '-mt'
  39     else:
  40         boost_lib_suffix = ''
  41
  42     if conf.options.enable_debug:
  43         conf.env.append_value('CXXFLAGS', '-g')
  44     else:
  45         # Somewhat experimental use of -O2 rather than -O3 to see if
  46         # Windows builds are any more reliable
  47         conf.env.append_value('CXXFLAGS', '-O2')
  48
  49     conf.check_cxx(fragment = """
  50                               #include <boost/version.hpp>\n
  51                               #if BOOST_VERSION < 104500\n
  52                               #error boost too old\n
  53                               #endif\n
  54                               int main(void) { return 0; }\n
  55                               """,
  56                    mandatory = True,
  57                    msg = 'Checking for boost library >= 1.45',
  58                    okmsg = 'yes',
  59                    errmsg = 'too old\nPlease install boost version 1.45 or higher.')
  60
  61     conf.check_cxx(fragment = """
  62                               #include <boost/filesystem.hpp>\n
  63                               int main() { boost::filesystem::copy_file ("a", "b"); }\n
  64                               """,
  65                    msg = 'Checking for boost filesystem library',
  66                    libpath = '/usr/local/lib',
  67                    lib = ['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
  68                    uselib_store = 'BOOST_FILESYSTEM')
  69
  70     conf.check_cxx(fragment = """
  71                               #include <boost/signals2.hpp>\n
  72                               int main() { boost::signals2::signal<void (int)> x; }\n
  73                               """,
  74                    msg = 'Checking for boost signals2 library',
  75                    uselib_store = 'BOOST_SIGNALS2')
  76
  77     lut.make_luts()
  78
  79     conf.recurse('test')
  80     conf.recurse('asdcplib')
  81
  82 def build(bld):
  83     create_version_cc(bld, VERSION)
  84
  85     if bld.env.TARGET_WINDOWS:
  86         boost_lib_suffix = '-mt'
  87     else:
  88         boost_lib_suffix = ''
  89
  90     bld(source = 'libdcp.pc.in',
  91         version = VERSION,
  92         includedir = '%s/include' % bld.env.PREFIX,
  93         libs = "-L${libdir} -ldcp -lasdcp-libdcp -lkumu-libdcp -lboost_system%s" % boost_lib_suffix,
  94         install_path = '${LIBDIR}/pkgconfig')
  95
  96     bld.recurse('src')
  97     bld.recurse('tools')
  98     bld.recurse('test')
  99     bld.recurse('asdcplib')
 100     bld.recurse('examples')
 101
 102     bld.add_post_fun(post)
 103
 104 def dist(ctx):
 105     ctx.excl = 'TODO core *~ .git build .waf* .lock* doc/*~ src/*~ test/ref/*~ __pycache__'
 106
 107 def create_version_cc(bld, version):
 108     if os.path.exists('.git'):
 109         cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 110         output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 111         o = output[0].decode('utf-8')
 112         commit = o.replace ("commit ", "")[0:10]
 113     else:
 114         commit = "release"
 115
 116     try:
 117         text =  '#include "version.h"\n'
 118         text += 'char const * libdcp::git_commit = \"%s\";\n' % commit
 119         text += 'char const * libdcp::version = \"%s\";\n' % version
 120         if bld.env.ENABLE_DEBUG:
 121             debug_string = 'true'
 122         else:
 123             debug_string = 'false'
 124         text += 'bool const built_with_debug = %s;\n' % debug_string
 125         print('Writing version information to src/version.cc')
 126         o = open('src/version.cc', 'w')
 127         o.write(text)
 128         o.close()
 129     except IOError:
 130         print('Could not open src/version.cc for writing\n')
 131         sys.exit(-1)
 132
 133 def post(ctx):
 134     if ctx.cmd == 'install':
 135         ctx.exec_command('/sbin/ldconfig')