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SCons / test / Libs / SharedLibraryIxes.py

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Steven Knight 4808a67 








Greg Noel 450d604 
Steven Knight 4808a67 





















dirkbaechle b02a7c4 

Steven Knight 4808a67 




Greg Noel 450d604 
Steven Knight 4808a67 




Greg Noel 450d604 
Steven Knight 4808a67 







dirkbaechle b02a7c4 
Steven Knight 4808a67 
dirkbaechle b02a7c4 
Steven Knight 4808a67 

dirkbaechle b02a7c4 




Steven Knight 4808a67 

dirkbaechle b02a7c4 
Steven Knight 4808a67 







dirkbaechle b02a7c4 







Steven Knight 4808a67 





Greg Noel 450d604 
Steven Knight 4808a67 










Greg Noel 450d604 
Steven Knight 4808a67 
































































Greg Noel 450d604 
Steven Knight 4808a67 





















Steven Knight c12104f 

Steven Knight 4808a67 

















Steven Knight c12104f 
Steven Knight 4808a67 























Steven Knight 9aa3f9a 




#!/usr/bin/env python
#
# __COPYRIGHT__
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#

__revision__ = "__FILE__ __REVISION__ __DATE__ __DEVELOPER__"

"""
Test that we can build shared libraries and link against shared
libraries that have non-standard library prefixes and suffixes.
"""

import re
import TestSCons

test = TestSCons.TestSCons()

test.write('SConstruct', """
import sys
isWindows = sys.platform == 'win32'
isMingw = False
if isWindows:
    import SCons.Tool.MSCommon as msc
    if not msc.msvc_exists():
        # We can't seem to find any MSVC version, so we assume
        # that MinGW is installed instead. Accordingly, we use the
        # standard gcc/g++ conventions for lib prefixes and suffixes
        # in the following...
        isWindows = False
        isMingw = True

env = Environment()

# Make sure that the shared library can be located at runtime.
env.Append(RPATH=['.'])
env.Append(LIBPATH=['.'])

# We first bake the LIBSUFFIXES, so that it will not change as a
# side-effect of changing SHLIBSUFFIX.
env['LIBSUFFIXES'] = list(map( env.subst, env.get('LIBSUFFIXES', [])))

weird_prefixes = ['libXX', 'libYY']

if isWindows:
    weird_suffixes = ['.xxx', '.yyy', '.xxx.dll', '.yyy.dll']
    env.Append(CCFLAGS = '/MD')
elif env['PLATFORM'] == 'darwin':
    weird_suffixes = ['.xxx.dylib', '.yyy.dylib']
else:
    weird_suffixes = ['.xxx.so', '.yyy.so']

shlibprefix = env.subst('$SHLIBPREFIX')
shlibsuffix = env.subst('$SHLIBSUFFIX')

progprefix = env.subst('$PROGPREFIX')
progsuffix = env.subst('$PROGSUFFIX')

goo_obj = env.SharedObject(source='goo.c')
foo_obj = env.SharedObject(source='foo.c')
prog_obj = env.SharedObject(source='prog.c')

#
# The following functions define all the different ways that one can
# use to link against a shared library.
#
def nodeInSrc(source, lib, libname):
    return (source+lib, '')

def pathInSrc(source, lib, libname):
    return (source+list(map(str,lib)), '')

def nodeInLib(source, lib, libname):
    return (source, lib)

def pathInLib(source, lib, libname):
    return (source, list(map(str,lib)))

def nameInLib(source, lib, libname):
    # NOTE: libname must contain both the proper prefix and suffix.
    #
    # When using non-standard prefixes and suffixes, one has to
    # provide the full name of the library since scons can not know
    # which of the non-standard extension to use.
    # 
    # Note that this is not necessarily SHLIBPREFIX and
    # SHLIBSUFFIX. These are the ixes of the target library, not the
    # ixes of the library that we are linking against.
    return (source, libname)

libmethods = [nodeInSrc, pathInSrc, nodeInLib, pathInLib]
# We skip the nameInLib test for MinGW...it would fail, due to
# the Tool's internal naming conventions
if not isMingw:
    libmethods.extend([nameInLib])

def buildAndlinkAgainst(builder, target, source,  method, lib, libname, **kw):
    '''Build a target using a given builder while linking against a given
    library using a specified method for linking against the library.'''

    # On Windows, we have to link against the .lib file.
    if isWindows:
        for l in lib:
            if str(l)[-4:] == '.lib':
                lib = [l]
                break
    # If we use MinGW and create a SharedLibrary, we get two targets: a DLL,
    # and the import lib created by the "--out-implib" parameter. We always
    # want to link against the second one, in order to prevent naming issues
    # for the linker command line...
    if isMingw and len(lib) > 1:
        lib = lib[1:]
        
    # Apply the naming method to be tested and call the specified Builder.
    (source, LIBS) = method(source, lib, libname)
    #build = builder(target=target, source=source, LIBS=LIBS, **kw)
    kw = kw.copy()
    kw['target'] = target
    kw['source'] = source
    kw['LIBS'] = LIBS
    build = builder(**kw)

    # Check that the build target depends on at least one of the
    # library target.
    found_dep = False
    children = build[0].children()
    for l in lib:
        if l in children:
            found_dep = True
            break;
    assert found_dep, \
        "One of %s not found in %s, method=%s, libname=%s, shlibsuffix=%s" % \
        (list(map(str,lib)), list(map(str, build[0].children())), method.__name__, libname, shlibsuffix)
    return build

def prog(i, 
         goomethod, goolibprefix, goolibsuffix, 
         foomethod, foolibprefix, foolibsuffix):
    '''Build a program

     The program links against a shared library foo which itself links
     against a shared library goo. The libraries foo and goo can use
     arbitrary library prefixes and suffixes.'''

    goo_name =  goolibprefix+'goo'+str(i)+goolibsuffix
    foo_name =  foolibprefix+'foo'+str(i)+foolibsuffix
    prog_name = progprefix+'prog'+str(i)+progsuffix

    print 'Prog: %d, %s, %s, %s' % (i, goo_name, foo_name, prog_name)

    # On Windows, we have to link against the .lib file.
    if isWindows:
        goo_libname =  goolibprefix+'goo'+str(i)+'.lib'
        foo_libname =  foolibprefix+'foo'+str(i)+'.lib'
    else:
        goo_libname =  goo_name
        foo_libname =  foo_name

    goo_lib = env.SharedLibrary(
        goo_name, goo_obj, SHLIBSUFFIX=goolibsuffix)
    foo_lib = buildAndlinkAgainst(
        env.SharedLibrary, foo_name, foo_obj, 
        goomethod, goo_lib, goo_libname, SHLIBSUFFIX=foolibsuffix)
    prog = buildAndlinkAgainst(env.Program, prog_name, prog_obj,
        foomethod, foo_lib, foo_libname)


#
# Create the list of all possible permutations to test.
#
i = 0
tests = []
prefixes = [shlibprefix] +  weird_prefixes
suffixes = [shlibsuffix] +  weird_suffixes
for foolibprefix in prefixes:
    for foolibsuffix in suffixes:
        for foomethod in libmethods:
            for goolibprefix in prefixes:
                for goolibsuffix in suffixes:
                    for goomethod in libmethods:
                        tests.append(
                            (i, 
                             goomethod, goolibprefix, goolibsuffix, 
                             foomethod, foolibprefix, foolibsuffix))
                        i = i + 1

#
# Pseudo-randomly choose 200 tests to run out of the possible
# tests. (Testing every possible permutation would take too long.)
#
import random
random.seed(123456)
try:
    random.shuffle(tests)
except AttributeError:
    pass

for i in range(200):
  prog(*tests[i])

""")

test.write('goo.c', r"""
#include <stdio.h>

#ifdef _WIN32
#define EXPORT __declspec( dllexport )
#else
#define EXPORT
#endif

EXPORT void
goo(void)
{
        printf("goo.c\n");
}
""")

test.write('foo.c', r"""
#include <stdio.h>

void goo(void);

#ifdef _WIN32
#define EXPORT __declspec( dllexport )
#else
#define EXPORT
#endif

EXPORT void
foo(void)
{
        goo();
        printf("foo.c\n");
}
""")

test.write('prog.c', r"""
#include <stdio.h>

void foo(void);

int
main(int argc, char *argv[])
{
        argv[argc++] = "--";
        foo();
        printf("prog.c\n");
        return 0;
}
""")

test.run(arguments = '.',
         stderr=TestSCons.noisy_ar,
         match=TestSCons.match_re_dotall)

tests = re.findall(r'Prog: (\d+), (\S+), (\S+), (\S+)', test.stdout())
expected = "goo.c\nfoo.c\nprog.c\n"

for t in tests:
    test.must_exist(t[1])
    test.must_exist(t[2])
    test.must_exist(t[3])
    test.run(program = test.workpath(t[3]), stdout=expected)

test.pass_test()

# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
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