wscript

   1 import subprocess
   2 import os
   3
   4 APPNAME = 'libdcp'
   5 VERSION = '0.45pre'
   6
   7 def options(opt):
   8     opt.load('compiler_cxx')
   9     opt.add_option('--target-windows', action='store_true', default = False, help = 'set up to do a cross-compile to Windows')
  10     opt.add_option('--enable-debug', action='store_true', default = False, help = 'build with debugging information and without optimisation')
  11     opt.add_option('--static-openjpeg', action='store_true', default = False, help = 'link statically to openjpeg')
  12     opt.add_option('--static-libdcp', action='store_true', default = False, help = 'build libdcp and in-tree dependencies statically')
  13
  14 def configure(conf):
  15     conf.load('compiler_cxx')
  16     conf.env.append_value('CXXFLAGS', ['-Wall', '-Wextra', '-Wno-unused-result', '-O2', '-D_FILE_OFFSET_BITS=64'])
  17     conf.env.append_value('CXXFLAGS', ['-DLIBDCP_VERSION="%s"' % VERSION])
  18
  19     conf.env.TARGET_WINDOWS = conf.options.target_windows
  20     conf.env.STATIC_OPENJPEG = conf.options.static_openjpeg
  21     conf.env.STATIC_LIBDCP = conf.options.static_libdcp
  22     conf.env.ENABLE_DEBUG = conf.options.enable_debug
  23
  24     if conf.options.target_windows:
  25         conf.env.append_value('CXXFLAGS', '-DLIBDCP_WINDOWS')
  26     else:
  27         conf.env.append_value('CXXFLAGS', '-DLIBDCP_POSIX')
  28
  29     conf.check_cfg(package = 'openssl', args = '--cflags --libs', uselib_store = 'OPENSSL', mandatory = True)
  30     conf.check_cfg(package = 'libxml++-2.6', args = '--cflags --libs', uselib_store = 'LIBXML++', mandatory = True)
  31     if conf.options.static_openjpeg:
  32
  33         conf.check_cc(fragment = """
  34                        #include <stdio.h>\n
  35                        #include <openjpeg.h>\n
  36                        int main () {\n
  37                        void* p = (void *) opj_image_create;\n
  38                        return 0;\n
  39                        }
  40                        """,
  41                        msg = 'Checking for library openjpeg', stlib = 'openjpeg', uselib_store = 'OPENJPEG', mandatory = True)
  42     else:
  43         conf.check_cfg(package = 'libopenjpeg', args = '--cflags --libs', uselib_store = 'OPENJPEG', mandatory = True)
  44
  45     if conf.options.target_windows:
  46         boost_lib_suffix = '-mt'
  47     else:
  48         boost_lib_suffix = ''
  49
  50     if conf.options.enable_debug:
  51         conf.env.append_value('CXXFLAGS', '-g')
  52     else:
  53         # Somewhat experimental use of -O2 rather than -O3 to see if
  54         # Windows builds are any more reliable
  55         conf.env.append_value('CXXFLAGS', '-O2')
  56
  57     conf.check_cxx(fragment = """
  58                               #include <boost/version.hpp>\n
  59                               #if BOOST_VERSION < 104500\n
  60                               #error boost too old\n
  61                               #endif\n
  62                               int main(void) { return 0; }\n
  63                               """,
  64                    mandatory = True,
  65                    msg = 'Checking for boost library >= 1.45',
  66                    okmsg = 'yes',
  67                    errmsg = 'too old\nPlease install boost version 1.45 or higher.')
  68
  69     conf.check_cxx(fragment = """
  70                               #include <boost/filesystem.hpp>\n
  71                               int main() { boost::filesystem::copy_file ("a", "b"); }\n
  72                               """,
  73                    msg = 'Checking for boost filesystem library',
  74                    libpath = '/usr/local/lib',
  75                    lib = ['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
  76                    uselib_store = 'BOOST_FILESYSTEM')
  77
  78     conf.check_cxx(fragment = """
  79                               #include <boost/signals2.hpp>\n
  80                               int main() { boost::signals2::signal<void (int)> x; }\n
  81                               """,
  82                    msg = 'Checking for boost signals2 library',
  83                    uselib_store = 'BOOST_SIGNALS2')
  84
  85     conf.recurse('test')
  86     conf.recurse('asdcplib')
  87
  88 def build(bld):
  89     create_version_cc(bld, VERSION)
  90
  91     if bld.env.TARGET_WINDOWS:
  92         boost_lib_suffix = '-mt'
  93     else:
  94         boost_lib_suffix = ''
  95
  96     bld(source = 'libdcp.pc.in',
  97         version = VERSION,
  98         includedir = '%s/include' % bld.env.PREFIX,
  99         libs = "-L${libdir} -ldcp -lasdcp-libdcp -lkumu-libdcp -lboost_system%s" % boost_lib_suffix,
 100         install_path = '${LIBDIR}/pkgconfig')
 101
 102     bld.recurse('src')
 103     bld.recurse('tools')
 104     bld.recurse('test')
 105     bld.recurse('asdcplib')
 106     bld.recurse('examples')
 107
 108     bld.add_post_fun(post)
 109
 110 def dist(ctx):
 111     ctx.excl = 'TODO core *~ .git build .waf* .lock* doc/*~ src/*~ test/ref/*~ __pycache__ GPATH GRTAGS GSYMS GTAGS'
 112
 113 def create_version_cc(bld, version):
 114     if os.path.exists('.git'):
 115         cmd = "LANG= git log --abbrev HEAD^..HEAD ."
 116         output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
 117         o = output[0].decode('utf-8')
 118         commit = o.replace ("commit ", "")[0:10]
 119     else:
 120         commit = "release"
 121
 122     try:
 123         text =  '#include "version.h"\n'
 124         text += 'char const * libdcp::git_commit = \"%s\";\n' % commit
 125         text += 'char const * libdcp::version = \"%s\";\n' % version
 126         if bld.env.ENABLE_DEBUG:
 127             debug_string = 'true'
 128         else:
 129             debug_string = 'false'
 130         text += 'bool const built_with_debug = %s;\n' % debug_string
 131         print('Writing version information to src/version.cc')
 132         o = open('src/version.cc', 'w')
 133         o.write(text)
 134         o.close()
 135     except IOError:
 136         print('Could not open src/version.cc for writing\n')
 137         sys.exit(-1)
 138
 139 def post(ctx):
 140     if ctx.cmd == 'install':
 141         ctx.exec_command('/sbin/ldconfig')