def try_location(self, ctx, base, **kwargs):
ctx.Log('Checking for %s in %s.\n' % (self.name, base))
loc_callback = kwargs.get('loc_callback', None)
libs = copy.deepcopy(conv.to_iter(self.libs))
extra_libs = copy.deepcopy(conv.to_iter(self.extra_libs))
sub_dirs = conv.to_iter(self.sub_dirs)
if not sub_dirs:
sub_dirs = [[]]
res = (False, None)
for inc_sub_dirs, lib_sub_dirs in sub_dirs:
inc_sub_dirs = list(conv.to_iter(inc_sub_dirs))
lib_sub_dirs = list(conv.to_iter(lib_sub_dirs))
for i in range(len(inc_sub_dirs)):
if not os.path.isabs(inc_sub_dirs[i]):
inc_sub_dirs[i] = os.path.join(base, inc_sub_dirs[i])
for i in range(len(lib_sub_dirs)):
if not os.path.isabs(lib_sub_dirs[i]):
lib_sub_dirs[i] = os.path.join(base, lib_sub_dirs[i])
# Remove any directories that can already be found in
# in their respective lists.
inc_sub_dirs = [
d for d in inc_sub_dirs if d not in ctx.env.get('CPPPATH', [])
]
lib_sub_dirs = [
d for d in lib_sub_dirs if d not in ctx.env.get('LIBPATH', [])
]
if loc_callback:
loc_callback(ctx, base, inc_sub_dirs, lib_sub_dirs, libs,
extra_libs)
ctx.Log('Trying include dirs: ' + str(inc_sub_dirs) + '\n')
ctx.Log('Trying library dirs: ' + str(lib_sub_dirs) + '\n')
# Before continuing, try and find all of the sample headers.
if not self.try_headers(ctx, inc_sub_dirs, **kwargs):
continue
bkp = env_setup(ctx.env,
CPPPATH=ctx.env.get('CPPPATH', []) + inc_sub_dirs,
LIBPATH=ctx.env.get('LIBPATH', []) + lib_sub_dirs,
RPATH=ctx.env.get('RPATH', []) + lib_sub_dirs)
res = self.try_libs(ctx, libs, extra_libs, **kwargs)
if res[0]:
self.base_dir = base # set base directory
break
env_restore(ctx.env, bkp)
return res
def try_location(self, ctx, base, **kwargs):
ctx.Log('Checking for %s in %s.\n'%(self.name, base))
loc_callback = kwargs.get('loc_callback', None)
libs = copy.deepcopy(conv.to_iter(self.libs))
extra_libs = copy.deepcopy(conv.to_iter(self.extra_libs))
sub_dirs = conv.to_iter(self.sub_dirs)
if not sub_dirs:
sub_dirs = [[]]
res = (False, None)
for inc_sub_dirs, lib_sub_dirs in sub_dirs:
inc_sub_dirs = list(conv.to_iter(inc_sub_dirs))
lib_sub_dirs = list(conv.to_iter(lib_sub_dirs))
for i in range(len(inc_sub_dirs)):
if not os.path.isabs(inc_sub_dirs[i]):
inc_sub_dirs[i] = os.path.join(base, inc_sub_dirs[i])
for i in range(len(lib_sub_dirs)):
if not os.path.isabs(lib_sub_dirs[i]):
lib_sub_dirs[i] = os.path.join(base, lib_sub_dirs[i])
# Remove any directories that can already be found in
# in their respective lists.
inc_sub_dirs = [d for d in inc_sub_dirs if d not in ctx.env.get('CPPPATH', [])]
lib_sub_dirs = [d for d in lib_sub_dirs if d not in ctx.env.get('LIBPATH', [])]
if loc_callback:
loc_callback(ctx, base, inc_sub_dirs, lib_sub_dirs, libs, extra_libs)
ctx.Log('Trying include dirs: ' + str(inc_sub_dirs) + '\n')
ctx.Log('Trying library dirs: ' + str(lib_sub_dirs) + '\n')
# Before continuing, try and find all of the sample headers.
if not self.try_headers(ctx, inc_sub_dirs, **kwargs):
continue
bkp = env_setup(ctx.env,
CPPPATH=ctx.env.get('CPPPATH', []) + inc_sub_dirs,
LIBPATH=ctx.env.get('LIBPATH', []) + lib_sub_dirs,
RPATH=ctx.env.get('RPATH', []) + lib_sub_dirs)
res = self.try_libs(ctx, libs, extra_libs, **kwargs)
if res[0]:
self.base_dir = base # set base directory
break
env_restore(ctx.env, bkp)
return res
def try_libs(self, ctx, libs, extra_libs=[], **kwargs):
if not libs:
libs = [[]]
if not extra_libs:
extra_libs = [[]]
ctx.Log("try to compile with one of the following libs: " + str(libs) +
"\n")
if len(extra_libs) > 0:
ctx.Log(
"also always try to include one of the following extra libs: "
+ str(extra_libs) + "\n")
for l in libs:
l = conv.to_iter(l)
ctx.Log("try library " + str(l) + "\n")
l_bkp = self.env_setup_libs(ctx, l)
for e in extra_libs:
e = conv.to_iter(e)
# add extra lib
linkflags = None
if 'LINKFLAGS' in ctx.env:
linkflags = ctx.env['LINKFLAGS']
e_bkp = env_setup(ctx.env,
LIBS=ctx.env.get('LIBS', []) + e,
LINKFLAGS=linkflags)
# try to link or run program
res = self.try_link(ctx, **kwargs)
# if succeeded
if res[0]:
if not self.auto_add_libs:
env_restore(ctx.env, e_bkp)
env_restore(ctx.env, l_bkp)
self._used_libs = l
break
env_restore(ctx.env, e_bkp)
if res[0]:
ctx.Log("this was successful (using " + str(l) +
"), done with list of libraries\n")
break
env_restore(ctx.env, l_bkp)
return res
def env_backup(env, names):
names = conv.to_iter(names)
bkp = {}
for n in names:
if n not in env:
bkp[n] = None
else:
bkp[n] = env[n]
return bkp
def env_backup(env, names):
names = conv.to_iter(names)
bkp = {}
for n in names:
if n not in env:
bkp[n] = None
else:
bkp[n] = env[n]
return bkp
def env_setup_libs(self, env, libs):
defaults = {
'prepend': True,
'libraries': libs,
}
# If we were given a dictionary update our defaults.
if len(libs) and isinstance(libs[0], dict):
defaults.update(libs[0])
defaults['libraries'] = conv.to_iter(defaults['libraries'])
# Remove any pre-existing libraries.
defaults['libraries'] = [d for d in defaults['libraries'] if d not in env.get('LIBS', [])]
# Prepend or append?
if defaults['prepend']:
libs = defaults['libraries'] + conv.to_iter(env.get('LIBS', []))
else:
libs = conv.to_iter(env.get('LIBS', [])) + defaults['libraries']
return env_setup(env, LIBS=libs)
def env_setup_libs(self, ctx, libs):
defaults = {
'prepend': True,
'libraries': libs,
}
env = ctx.env
# If we were given a dictionary update our defaults.
if len(libs) and isinstance(libs[0], dict):
defaults.update(libs[0])
defaults['libraries'] = conv.to_iter(defaults['libraries'])
# Remove any pre-existing libraries.
defaults['libraries'] = [d for d in defaults['libraries'] if d not in env.get('LIBS', [])]
# Prepend or append?
if defaults['prepend']:
libs = defaults['libraries'] + conv.to_iter(env.get('LIBS', []))
else:
libs = conv.to_iter(env.get('LIBS', [])) + defaults['libraries']
return env_setup(env, LIBS=libs)
def try_libs(self, ctx, libs, extra_libs=[], **kwargs):
if not libs:
libs = [[]]
if not extra_libs:
extra_libs = [[]]
for l in libs:
l = conv.to_iter(l)
l_bkp = self.env_setup_libs(ctx.env, l)
for e in extra_libs:
e = conv.to_iter(e)
e_bkp = env_setup(ctx.env, LIBS=ctx.env.get('LIBS', []) + e)
res = self.try_link(ctx, **kwargs)
if res[0]:
if not self.auto_add_libs:
env_restore(ctx.env, e_bkp)
env_restore(ctx.env, l_bkp)
self._used_libs = l
break
env_restore(ctx.env, e_bkp)
if res[0]:
break
env_restore(ctx.env, l_bkp)
return res
def try_libs(self, ctx, libs, extra_libs=[], **kwargs):
if not libs:
libs = [[]]
if not extra_libs:
extra_libs = [[]]
for l in libs:
l = conv.to_iter(l)
l_bkp = self.env_setup_libs(ctx.env, l)
for e in extra_libs:
e = conv.to_iter(e)
e_bkp = env_setup(ctx.env, LIBS=ctx.env.get('LIBS', []) + e)
res = self.try_link(ctx, **kwargs)
if res[0]:
if not self.auto_add_libs:
env_restore(ctx.env, e_bkp)
env_restore(ctx.env, l_bkp)
self._used_libs = l
break
env_restore(ctx.env, e_bkp)
if res[0]:
break
env_restore(ctx.env, l_bkp)
return res
def try_location(self, ctx, base_dirs, **kwargs):
if type(base_dirs) is not list:
base_dirs = [base_dirs]
for base in base_dirs:
ctx.Log('Checking for %s in %s.\n' % (self.name, base))
ctx.Log('Searching for headers: ' + str(self.headers) +
", libs: " + str(self.libs) + '\n')
loc_callback = kwargs.get('loc_callback', None)
libs = copy.deepcopy(conv.to_iter(self.libs))
extra_libs = copy.deepcopy(conv.to_iter(self.extra_libs))
sub_dirs = conv.to_iter(self.sub_dirs)
if not sub_dirs:
sub_dirs = [[]]
ctx.Log(
"Try the following combinations of (include, lib) directories: "
+ str(sub_dirs) + "\n")
res = (False, None)
for inc_sub_dirs, lib_sub_dirs in sub_dirs:
inc_sub_dirs = list(conv.to_iter(inc_sub_dirs))
lib_sub_dirs = list(conv.to_iter(lib_sub_dirs))
for i in range(len(inc_sub_dirs)):
if not os.path.isabs(inc_sub_dirs[i]):
inc_sub_dirs[i] = os.path.join(base, inc_sub_dirs[i])
for i in range(len(lib_sub_dirs)):
if not os.path.isabs(lib_sub_dirs[i]):
lib_sub_dirs[i] = os.path.join(base, lib_sub_dirs[i])
# Remove any directories that can already be found
# in their respective lists.
#inc_sub_dirs = [d for d in inc_sub_dirs if d not in ctx.env.get('CPPPATH', [])]
#lib_sub_dirs = [d for d in lib_sub_dirs if d not in ctx.env.get('LIBPATH', [])]
if loc_callback:
loc_callback(ctx, base, inc_sub_dirs, lib_sub_dirs, libs,
extra_libs)
ctx.Log('Trying include directories: "' + str(inc_sub_dirs) +
'" and library directories: "' + str(lib_sub_dirs) +
'"\n')
# Before continuing, try and find all of the sample headers.
if not self.try_headers(ctx, inc_sub_dirs, **kwargs):
continue
system_inc_dirs = []
for inc_dir in inc_sub_dirs:
system_inc_dirs.append(
('-isystem', inc_dir)
) # -isystem is the same is -I for gcc, except it suppresses warning (useful for dependencies)
if self.set_rpath:
bkp = env_setup(
ctx.env,
#CPPPATH=ctx.env.get('CPPPATH', []) + inc_sub_dirs,
LIBPATH=ctx.env.get('LIBPATH', []) + lib_sub_dirs,
RPATH=ctx.env.get('RPATH', []) + lib_sub_dirs,
CCFLAGS=ctx.env.get('CCFLAGS', []) + system_inc_dirs)
else:
bkp = env_setup(
ctx.env,
#CPPPATH=ctx.env.get('CPPPATH', []) + inc_sub_dirs,
LIBPATH=ctx.env.get('LIBPATH', []) + lib_sub_dirs,
#RPATH=ctx.env.get('RPATH', []) + lib_sub_dirs,
CCFLAGS=ctx.env.get('CCFLAGS', []) + system_inc_dirs)
self.base_dir = base # set base directory (is needed by try_libs)
res = self.try_libs(ctx, libs, extra_libs, **kwargs)
if res[0]:
self.base_dir = base # set base directory
ctx.Log("Combination of (include, lib) directories " +
str(inc_sub_dirs) + "," + str(lib_sub_dirs) +
" was successful, done with combinations.")
return res
#break
env_restore(ctx.env, bkp)
return res