wscript

   1 import subprocess
   2 import os
   3 import lut
   4
   5 APPNAME = 'libdcp'
   6 VERSION = '0.41pre'
   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
  34         conf.check_cc(fragment = """
  35                        #include <stdio.h>\n
  36                        #include <openjpeg.h>\n
  37                        int main () {\n
  38                        void* p = (void *) opj_image_create;\n
  39                        return 0;\n
  40                        }
  41                        """,
  42                        msg = 'Checking for library openjpeg', stlib = 'openjpeg', uselib_store = 'OPENJPEG', mandatory = True)
  43     else:
  44         conf.check_cfg(package = 'libopenjpeg', args = '--cflags --libs', uselib_store = 'OPENJPEG', mandatory = True)
  45
  46     if conf.options.target_windows:
  47         boost_lib_suffix = '-mt'
  48     else:
  49         boost_lib_suffix = ''
  50
  51     if conf.options.enable_debug:
  52         conf.env.append_value('CXXFLAGS', '-g')
  53     else:
  54         # Somewhat experimental use of -O2 rather than -O3 to see if
  55         # Windows builds are any more reliable
  56         conf.env.append_value('CXXFLAGS', '-O2')
  57
  58     conf.check_cxx(fragment = """
  59                               #include <boost/version.hpp>\n
  60                               #if BOOST_VERSION < 104500\n
  61                               #error boost too old\n
  62                               #endif\n
  63                               int main(void) { return 0; }\n
  64                               """,
  65                    mandatory = True,
  66                    msg = 'Checking for boost library >= 1.45',
  67                    okmsg = 'yes',
  68                    errmsg = 'too old\nPlease install boost version 1.45 or higher.')
  69
  70     conf.check_cxx(fragment = """
  71                               #include <boost/filesystem.hpp>\n
  72                               int main() { boost::filesystem::copy_file ("a", "b"); }\n
  73                               """,
  74                    msg = 'Checking for boost filesystem library',
  75                    libpath = '/usr/local/lib',
  76                    lib = ['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
  77                    uselib_store = 'BOOST_FILESYSTEM')
  78
  79     conf.check_cxx(fragment = """
  80                               #include <boost/signals2.hpp>\n
  81                               int main() { boost::signals2::signal<void (int)> x; }\n
  82                               """,
  83                    msg = 'Checking for boost signals2 library',
  84                    uselib_store = 'BOOST_SIGNALS2')
  85
  86     lut.make_luts()
  87
  88     conf.recurse('test')
  89     conf.recurse('asdcplib')
  90
  91 def build(bld):
  92     create_version_cc(bld, VERSION)
  93
  94     if bld.env.TARGET_WINDOWS:
  95         boost_lib_suffix = '-mt'
  96     else:
  97         boost_lib_suffix = ''
  98
  99     bld(source = 'libdcp.pc.in',
 100         version = VERSION,
 101         includedir = '%s/include' % bld.env.PREFIX,
 102         libs = "-L${libdir} -ldcp -lasdcp-libdcp -lkumu-libdcp -lboost_system%s" % boost_lib_suffix,
 103         install_path = '${LIBDIR}/pkgconfig')
 104
 105     bld.recurse('src')
 106     bld.recurse('tools')
 107     bld.recurse('test')
 108     bld.recurse('asdcplib')
 109     bld.recurse('examples')
 110
 111     bld.add_post_fun(post)
 112
 113 def dist(ctx):
 114     ctx.excl = 'TODO core *~ .git build .waf* .lock* doc/*~ src/*~ test/ref/*~ __pycache__'
 115
 116 def create_version_cc(bld, version):
 117     if os.path.exists('.git'):
 118         cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 119         output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 120         o = output[0].decode('utf-8')
 121         commit = o.replace ("commit ", "")[0:10]
 122     else:
 123         commit = "release"
 124
 125     try:
 126         text =  '#include "version.h"\n'
 127         text += 'char const * libdcp::git_commit = \"%s\";\n' % commit
 128         text += 'char const * libdcp::version = \"%s\";\n' % version
 129         if bld.env.ENABLE_DEBUG:
 130             debug_string = 'true'
 131         else:
 132             debug_string = 'false'
 133         text += 'bool const built_with_debug = %s;\n' % debug_string
 134         print('Writing version information to src/version.cc')
 135         o = open('src/version.cc', 'w')
 136         o.write(text)
 137         o.close()
 138     except IOError:
 139         print('Could not open src/version.cc for writing\n')
 140         sys.exit(-1)
 141
 142 def post(ctx):
 143     if ctx.cmd == 'install':
 144         ctx.exec_command('/sbin/ldconfig')