Fix uninitialised variable.
[libdcp.git] / wscript
diff --git a/wscript b/wscript
index 1004ad545f928bed5e97ed21aa1bbb79f1aa0e20..ae2e39bcfdb7794190dabaa3b84a8eacb7c87269 100644 (file)
--- a/wscript
+++ b/wscript
@@ -1,33 +1,72 @@
+#
+#    Copyright (C) 2012-2016 Carl Hetherington <cth@carlh.net>
+#
+#    This file is part of libdcp.
+#
+#    libdcp is free software; you can redistribute it and/or modify
+#    it under the terms of the GNU General Public License as published by
+#    the Free Software Foundation; either version 2 of the License, or
+#    (at your option) any later version.
+#
+#    libdcp is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU General Public License for more details.
+#
+#    You should have received a copy of the GNU General Public License
+#    along with libdcp.  If not, see <http://www.gnu.org/licenses/>.
+#
+
 import subprocess
 import os
+import sys
+import distutils.spawn
+from waflib import Logs, Context
 
 APPNAME = 'libdcp'
-VERSION = '1.00.0devel'
+VERSION = '1.3.3devel'
+API_VERSION = '-1.0'
 
 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('--target-osx', action='store_true', default=False, help='set up to build on OS X')
     opt.add_option('--enable-debug', action='store_true', default=False, help='build with debugging information and without optimisation')
-    opt.add_option('--static', action='store_true', default=False, help='build libdcp and in-tree dependencies statically, and link statically to openjpeg and cxml')
+    opt.add_option('--static', action='store_true', default=False, help='build libdcp statically, and link statically to openjpeg, cxml, asdcplib-cth')
+    opt.add_option('--disable-tests', action='store_true', default=False, help='disable building of tests')
+    opt.add_option('--disable-gcov', action='store_true', default=False, help='don''t use gcov in tests')
+    opt.add_option('--disable-examples', action='store_true', default=False, help='disable building of examples')
+    opt.add_option('--enable-openmp', action='store_true', default=False, help='enable use of OpenMP')
 
 def configure(conf):
     conf.load('compiler_cxx')
     conf.env.append_value('CXXFLAGS', ['-Wall', '-Wextra', '-D_FILE_OFFSET_BITS=64', '-D__STDC_FORMAT_MACROS'])
+    gcc = conf.env['CC_VERSION']
+    if int(gcc[0]) >= 4 and int(gcc[1]) > 1:
+        conf.env.append_value('CXXFLAGS', ['-Wno-maybe-uninitialized'])
     conf.env.append_value('CXXFLAGS', ['-DLIBDCP_VERSION="%s"' % VERSION])
 
     conf.env.TARGET_WINDOWS = conf.options.target_windows
-    conf.env.TARGET_OSX = conf.options.target_osx
+    conf.env.TARGET_OSX = sys.platform == 'darwin'
     conf.env.ENABLE_DEBUG = conf.options.enable_debug
+    conf.env.DISABLE_TESTS = conf.options.disable_tests
+    conf.env.DISABLE_EXAMPLES = conf.options.disable_examples
     conf.env.STATIC = conf.options.static
+    conf.env.API_VERSION = API_VERSION
 
     if conf.options.target_windows:
         conf.env.append_value('CXXFLAGS', '-DLIBDCP_WINDOWS')
     else:
         conf.env.append_value('CXXFLAGS', '-DLIBDCP_POSIX')
 
-    if not conf.options.target_osx:
-        conf.env.append_value('CXXFLAGS', ['-Wno-unused-result'])
+    if conf.env.TARGET_OSX:
+        conf.env.append_value('CXXFLAGS', ['-Wno-unused-result', '-Wno-unused-parameter', '-Wno-unused-local-typedef'])
+
+    # Disable libxml++ deprecation warnings for now
+    conf.env.append_value('CXXFLAGS', ['-Wno-deprecated-declarations'])
+
+    if conf.options.enable_openmp:
+        conf.env.append_value('CXXFLAGS', ['-fopenmp', '-DLIBDCP_OPENMP'])
+        conf.env.LIB_OPENMP = ['gomp']
 
     conf.check_cfg(package='openssl', args='--cflags --libs', uselib_store='OPENSSL', mandatory=True)
     conf.check_cfg(package='libxml++-2.6', args='--cflags --libs', uselib_store='LIBXML++', mandatory=True)
@@ -35,22 +74,30 @@ def configure(conf):
     # Remove erroneous escaping of quotes from xmlsec1 defines
     conf.env.DEFINES_XMLSEC1 = [f.replace('\\', '') for f in conf.env.DEFINES_XMLSEC1]
 
+    # ImageMagick / GraphicsMagick
+    if distutils.spawn.find_executable('Magick++-config'):
+        conf.check_cfg(package='', path='Magick++-config', args='--cppflags --cxxflags --libs', uselib_store='MAGICK', mandatory=True)
+    else:
+        image = conf.check_cfg(package='ImageMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
+        graphics = conf.check_cfg(package='GraphicsMagick++', args='--cflags --libs', uselib_store='MAGICK', mandatory=False)
+        if image is None and graphics is None:
+            Logs.pprint('RED', 'Neither ImageMagick++ nor GraphicsMagick++ found: one or the other is required')
+
+    conf.check_cfg(package='sndfile', args='--cflags --libs', uselib_store='SNDFILE', mandatory=False)
+
     if conf.options.static:
-        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', stlib='openjpeg', uselib_store='OPENJPEG', mandatory=True)
-        
+        conf.check_cfg(package='libopenjp2', args='--cflags', atleast_version='2.1.0', uselib_store='OPENJPEG', mandatory=True)
+        conf.env.STLIB_OPENJPEG = ['openjp2']
         conf.env.HAVE_CXML = 1
+        conf.env.LIB_CXML = ['xml++-2.6', 'glibmm-2.4']
         conf.env.STLIB_CXML = ['cxml']
+        conf.check_cfg(package='libasdcp-cth', atleast_version='0.0.1', args='--cflags', uselib_store='ASDCPLIB_CTH', mandatory=True)
+        conf.env.HAVE_ASDCPLIB_CTH = 1
+        conf.env.STLIB_ASDCPLIB_CTH = ['asdcp-cth', 'kumu-cth']
     else:
-        conf.check_cfg(package='libopenjpeg', args='--cflags --libs', uselib_store='OPENJPEG', mandatory=True)
-        conf.check_cfg(package='libcxml', atleast_version='0.08', args='--cflags --libs', uselib_store='CXML', mandatory=True)
+        conf.check_cfg(package='libopenjp2', args='--cflags --libs', atleast_version='2.1.0', uselib_store='OPENJPEG', mandatory=True)
+        conf.check_cfg(package='libcxml', atleast_version='0.15.1', args='--cflags --libs', uselib_store='CXML', mandatory=True)
+        conf.check_cfg(package='libasdcp-cth', atleast_version='0.1.0', args='--cflags --libs', uselib_store='ASDCPLIB_CTH', mandatory=True)
 
     if conf.options.target_windows:
         boost_lib_suffix = '-mt'
@@ -101,8 +148,17 @@ def configure(conf):
                    lib=['boost_date_time%s' % boost_lib_suffix, 'boost_system%s' % boost_lib_suffix],
                    uselib_store='BOOST_DATETIME')
 
-    conf.recurse('test')
-    conf.recurse('asdcplib')
+    if not conf.env.DISABLE_TESTS:
+        conf.recurse('test')
+        if not conf.options.disable_gcov:
+            conf.check(lib='gcov', define_name='HAVE_GCOV', mandatory=False)
+
+    # libxml++ 2.39.1 and later must be built with -std=c++11
+    libxmlpp_version = conf.cmd_and_log(['pkg-config', '--modversion', 'libxml++-2.6'], output=Context.STDOUT, quiet=Context.BOTH)
+    s = libxmlpp_version.split('.')
+    v = (int(s[0]) << 16) | (int(s[1]) << 8) | int(s[2])
+    if v >= 0x022701:
+        conf.env.append_value('CXXFLAGS', '-std=c++11')
 
 def build(bld):
     create_version_cc(bld, VERSION)
@@ -112,17 +168,18 @@ def build(bld):
     else:
         boost_lib_suffix = ''
 
-    bld(source='libdcp.pc.in',
+    bld(source='libdcp%s.pc.in' % bld.env.API_VERSION,
         version=VERSION,
-        includedir='%s/include' % bld.env.PREFIX,
-        libs="-L${libdir} -ldcp -lasdcp-libdcp -lkumu-libdcp -lboost_system%s" % boost_lib_suffix,
+        includedir='%s/include/libdcp%s' % (bld.env.PREFIX, bld.env.API_VERSION),
+        libs="-L${libdir} -ldcp%s -lcxml -lboost_system%s" % (bld.env.API_VERSION, boost_lib_suffix),
         install_path='${LIBDIR}/pkgconfig')
 
     bld.recurse('src')
     bld.recurse('tools')
-    bld.recurse('test')
-    bld.recurse('asdcplib')
-    bld.recurse('examples')
+    if not bld.env.DISABLE_TESTS:
+        bld.recurse('test')
+    if not bld.env.DISABLE_EXAMPLES:
+        bld.recurse('examples')
 
     bld.add_post_fun(post)
 
@@ -146,7 +203,7 @@ def create_version_cc(bld, version):
             debug_string = 'true'
         else:
             debug_string = 'false'
-        text += 'bool const built_with_debug = %s;\n' % debug_string
+        text += 'bool const dcp::built_with_debug = %s;\n' % debug_string
         print('Writing version information to src/version.cc')
         o = open('src/version.cc', 'w')
         o.write(text)
@@ -158,3 +215,6 @@ def create_version_cc(bld, version):
 def post(ctx):
     if ctx.cmd == 'install':
         ctx.exec_command('/sbin/ldconfig')
+
+def tags(bld):
+    os.system('etags src/*.cc src/*.h')