Add note about missing dependency (thanks Chris Slycord)

[libdcp.git] / wscript

diff --git a/wscript b/wscript
index 0e407295f355d85f34f357a5669bb6097eb3f9df..30974ac7172ec8e878dd55718e023f73f7e46d2a 100644 (file)
--- a/wscript
+++ b/wscript
@@ -1,31 +1,93 @@
+import subprocess
+import os
+
 APPNAME = 'libdcp'
-VERSION = '0.01pre'
+VERSION = '0.08pre'
 
 def options(opt):
     opt.load('compiler_cxx')
+    opt.add_option('--target-windows', action='store_true', default = False, help = 'set up to do a cross-compile to Windows')
+    opt.add_option('--enable-debug', action='store_true', default = False, help = 'build with debugging information and without optimisation')
 
 def configure(conf):
     conf.load('compiler_cxx')
-    conf.env.append_value('CXXFLAGS', ['-Wall', '-Wextra', '-O2', '-D_FILE_OFFSET_BITS=64'])
+    conf.env.append_value('CXXFLAGS', ['-Wall', '-Wextra', '-Wno-unused-result', '-O2', '-D_FILE_OFFSET_BITS=64'])
     conf.env.append_value('CXXFLAGS', ['-DLIBDCP_VERSION="%s"' % VERSION])
 
+    if conf.options.target_windows:
+        conf.env.append_value('CXXFLAGS', '-DLIBDCP_WINDOWS')
+    else:
+        conf.env.append_value('CXXFLAGS', '-DLIBDCP_POSIX')
+
     conf.check_cfg(package = 'openssl', args = '--cflags --libs', uselib_store = 'OPENSSL', mandatory = True)
     conf.check_cfg(package = 'sigc++-2.0', args = '--cflags --libs', uselib_store = 'SIGC++', mandatory = True)
-    
+    conf.check_cfg(package = 'libxml++-2.6', args = '--cflags --libs', uselib_store = 'LIBXML++', mandatory = True)
+
+    conf.check_cc(fragment  = """
+                             #include <stdio.h>\n
+                             #include <openjpeg.h>\n
+                             int main () {\n
+                             void* p = (void *) opj_image_create;\n
+                             return 0;\n
+                             }
+                             """, msg = 'Checking for library openjpeg', lib = 'openjpeg', uselib_store = 'OPENJPEG')
+
+    if conf.options.target_windows:
+        boost_lib_suffix = '-mt'
+    else:
+        boost_lib_suffix = ''
+
+    if conf.options.enable_debug:
+        conf.env.append_value('CXXFLAGS', '-g')
+    else:
+        conf.env.append_value('CXXFLAGS', '-O3')
+
     conf.check_cxx(fragment = """
                              #include <boost/filesystem.hpp>\n
                              int main() { boost::filesystem::copy_file ("a", "b"); }\n
                              """,
                    msg = 'Checking for boost filesystem library',
                    libpath = '/usr/local/lib',
-                   lib = ['boost_filesystem', 'boost_system'],
+                   lib = ['boost_filesystem%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
                    uselib_store = 'BOOST_FILESYSTEM')
 
     conf.recurse('test')
     conf.recurse('asdcplib')
 
 def build(bld):
+    create_version_cc(VERSION)
+
+    bld(source = 'libdcp.pc.in',
+        version = VERSION,
+        includedir = '%s/include' % bld.env.PREFIX,
+        libs = "-L${libdir} -ldcp -lkumu-libdcp -lasdcp-libdcp",
+        install_path = '${LIBDIR}/pkgconfig')
+
     bld.recurse('src')
+    bld.recurse('tools')
     bld.recurse('test')
     bld.recurse('asdcplib')
 
+def dist(ctx):
+    ctx.excl = 'TODO core *~ .git build .waf* .lock* doc/*~ src/*~ test/ref/*~'
+
+def create_version_cc(version):
+    if os.path.exists('.git'):
+        cmd = "LANG= git log --abbrev HEAD^..HEAD ."
+        output = subprocess.Popen(cmd, shell=True, stderr=subprocess.STDOUT, stdout=subprocess.PIPE).communicate()[0].splitlines()
+        o = output[0].decode('utf-8')
+        commit = o.replace ("commit ", "")[0:10]
+    else:
+        commit = "release"
+
+    try:
+        text =  '#include "version.h"\n'
+        text += 'char const * libdcp::git_commit = \"%s\";\n' % commit
+        text += 'char const * libdcp::version = \"%s\";\n' % version
+        print('Writing version information to src/version.cc')
+        o = open('src/version.cc', 'w')
+        o.write(text)
+        o.close()
+    except IOError:
+        print('Could not open src/version.cc for writing\n')
+        sys.exit(-1)