8ab72b9ece
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@6040 212acab6-be3b-0410-9dea-997c60f758d6
312 lines
8.5 KiB
Text
312 lines
8.5 KiB
Text
print "Using GNU tools configuration"
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Import('defenv')
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### imports
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Import('FlagsConfigure')
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### cross compiling
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def cross_env(env):
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if env['PLATFORM'] != 'win32':
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env.Tool('crossmingw', toolpath = [Dir('../Tools').rdir()])
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### flags
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def entry(x):
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if x == 'WinMain':
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x = '_WinMain@16'
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elif x == 'DllMain':
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x = '_DllMain@12'
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return '-Wl,-e%s' % x
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defenv['ENTRY_FLAG'] = entry
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defenv['MAP_FLAG'] = '-Wl,-Map,${TARGET.base}.map'
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defenv['EXCEPTION_FLAG'] = ''
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defenv['NODEFLIBS_FLAG'] = '-nostdlib -Wl,--exclude-libs,msvcrt.a'
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defenv['C_FLAG'] = '-xc'
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defenv['CPP_FLAG'] = '-xc++'
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defenv['ALIGN_FLAG'] = '-Wl,--file-alignment,512'
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defenv['CPP_REQUIRES_STDLIB'] = 1
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defenv['SUBSYS_CON'] = '-Wl,--subsystem,console'
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defenv['MSVCRT_FLAG'] = ''
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defenv['STDCALL'] = ' __attribute__((__stdcall__))'
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### defines
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defenv.Append(CPPDEFINES = [('NSISCALL', '$STDCALL')])
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### helper functions
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# on Mac OS X, programs built with g++ 4.0, stl and -s error out:
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# dyld: lazy symbol binding failed: lazy pointer not found
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# dyld: lazy pointer not found
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#
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# to avoid this, this function checks if -s works
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def TestStrip(ctx):
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c = """
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#include <vector>
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int main() {
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std::vector<int> v;
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return 0;
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}
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"""
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ctx.CheckLinkFlag('-s', run = 1, extension = '.cpp', code = c)
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### debug
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if defenv['DEBUG']:
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defenv.Append(CCFLAGS = '-g')
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### stub environment
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stub_env = defenv.Clone()
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cross_env(stub_env)
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stub_env.Append(CPPPATH = ['#$BUILD_CONFIG'])
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if not defenv['DEBUG']:
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stub_env.Append(CCFLAGS = ['-Os']) # optimize for size
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stub_env.Append(CCFLAGS = ['-Wall']) # all warnings
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stub_env.Append(CCFLAGS = ['-xc']) # force compile as c
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stub_env.Append(CCFLAGS = ['-fno-strict-aliasing']) # not safe for strict aliasing
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if not defenv['DEBUG'] and defenv['STRIP'] and defenv['STRIP_W32']:
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stub_env.Append(LINKFLAGS = ['-s']) # strip
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stub_env.Append(LINKFLAGS = ['-mwindows']) # build windows executables
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stub_env.Append(LINKFLAGS = ['$NODEFLIBS_FLAG']) # no standard libraries
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stub_env.Append(LINKFLAGS = ['$ALIGN_FLAG']) # 512 bytes align
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stub_env.Append(LINKFLAGS = ['-Wl,-e,_WinMain@16']) # entry point
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stub_env.Append(LINKFLAGS = ['$MAP_FLAG']) # generate map file
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### makensis environment
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makensis_env = defenv.Clone()
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makensis_env.Append(CPPPATH = ['#$BUILD_CONFIG'])
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if not defenv['DEBUG']:
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makensis_env.Append(CCFLAGS = ['-O2']) # optimize
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makensis_env.Append(CFLAGS = ['-Wall']) # all warnings
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makensis_env.Append(CXXFLAGS = ['-Wno-non-virtual-dtor']) # ignore virtual dtor warnings
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makensis_env.Append(CXXFLAGS = ['-Wall']) # all warnings
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conf = FlagsConfigure(makensis_env)
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conf.CheckLinkFlag('$MAP_FLAG') # generate map file
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if not defenv['DEBUG'] and defenv['STRIP'] and defenv['STRIP_CP']:
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TestStrip(conf) # strip
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conf.Finish()
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### plugin environment
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plugin_env = defenv.Clone()
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cross_env(plugin_env)
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if not defenv['DEBUG']:
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plugin_env.Append(CCFLAGS = ['-Os']) # optimize for size
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plugin_env.Append(CCFLAGS = ['-Wall']) # level 3 warnings
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plugin_env.Append(CCFLAGS = ['-fno-strict-aliasing']) # not safe for strict aliasing
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if not defenv['DEBUG'] and defenv['STRIP'] and defenv['STRIP_W32']:
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plugin_env.Append(LINKFLAGS = ['-s']) # strip
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plugin_env.Append(LINKFLAGS = ['-mwindows']) # build windows executables
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plugin_env.Append(LINKFLAGS = ['$ALIGN_FLAG']) # 512 bytes align
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plugin_env.Append(LINKFLAGS = ['$MAP_FLAG']) # generate map file
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plugin_env.Append(LINKFLAGS = ['-static-libgcc']) # remove libgcc*.dll dependency
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### cross-platform util environment
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cp_util_env = defenv.Clone()
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cp_util_env.Append(CPPPATH = ['#$BUILD_CONFIG'])
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if not defenv['DEBUG']:
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cp_util_env.Append(CCFLAGS = ['-O2']) # optimize
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cp_util_env.Append(CCFLAGS = ['-Wall']) # all warnings
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cp_util_env.Append(CCFLAGS = ['-fno-strict-aliasing']) # not safe for strict aliasing
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conf = FlagsConfigure(cp_util_env)
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conf.CheckLinkFlag('$MAP_FLAG') # generate map file
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conf.Finish()
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### util environment
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util_env = cp_util_env.Clone()
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cross_env(util_env)
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util_env.Append(LINKFLAGS = ['-mwindows']) # build windows executables
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util_env.Append(LINKFLAGS = ['$ALIGN_FLAG']) # 512 bytes align
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conf = FlagsConfigure(util_env)
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if not defenv['DEBUG'] and defenv['STRIP'] and defenv['STRIP_W32']:
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util_env.Append(LINKFLAGS = ['-s']) # strip
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conf.Finish()
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### cross-platform util environment adjustments
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conf = FlagsConfigure(cp_util_env)
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if not defenv['DEBUG'] and defenv['STRIP'] and defenv['STRIP_CP']:
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TestStrip(conf) # strip
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conf.Finish()
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### test environment
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test_env = defenv.Clone()
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test_env.Append(CPPPATH = ['#$BUILD_CONFIG'])
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conf = FlagsConfigure(test_env)
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conf.Finish()
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### weird GCC requirements
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#
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# GCC puts new PE sections, added by code, between other sections.
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# This is not good for the .ndata section because makensis changes
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# its size dynamically. This is not good if RVAs to sections below
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# it are saved in other places. The RVAs will point to garbage.
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#
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# To fix this, a linker script is provided. The linker script makes
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# sure the sections will be written in the correct order.
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#
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stub_env.Append(LINKFLAGS = ['-T', File('linker_script').rfile()])
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#
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# GCC requires some functions from the CRT to be present, if certain
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# operations are done. For example, if a small string is assigned to
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# a larger buffer, GCC 3.4+ uses memset to fill the remaining of the
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# buffer with zeros.
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#
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def check_requirement(ctx, func, trigger):
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ctx.Message('Checking for %s requirement... ' % func)
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flags = ctx.env['LINKFLAGS']
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ctx.env.Append(LINKFLAGS = ['$NODEFLIBS_FLAG'])
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ctx.env.Append(LINKFLAGS = ['-Wl,-e,___main'])
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test = """
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int __main() {
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%s
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return 0;
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}
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""" % trigger
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result = not ctx.TryLink(test, '.c')
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ctx.Result(result)
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ctx.env['LINKFLAGS'] = flags
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return result
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def add_file_to_emitter(env, emitter_name, file):
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try:
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original_emitter = env[emitter_name]
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if type(original_emitter) == list:
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original_emitter = original_emitter[0]
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except KeyError:
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original_emitter = None
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def emitter(target, source, env):
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if original_emitter:
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target, source = original_emitter(target, source, env)
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if '$NODEFLIBS_FLAG' not in env['LINKFLAGS']:
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return target, source
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return target, source + [file]
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env[emitter_name] = emitter
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def add_file(file):
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file = File(file)
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add_file_to_emitter(stub_env, 'PROGEMITTER', file)
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add_file_to_emitter(util_env, 'PROGEMITTER', file)
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add_file_to_emitter(plugin_env, 'SHLIBEMITTER', file)
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cenv = defenv.Clone()
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cross_env(cenv)
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conf = cenv.Configure(custom_tests = { 'CheckRequirement' : check_requirement })
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memcpy_test = """
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struct s // gcc 3
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{
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char c[128];
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} t = { "test" };
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char a[] = // gcc 4
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{'/', 'F', 'I' ,'L', 'L', 'S', 'C', 'R', 'E', 'E', 'N', 0};
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int i;
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for (i = 0; i < 100; i++) // avoid a and t being optimized out
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{
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i += a[i] ^ t.c[i];
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}
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return i;
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"""
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memset_test = """
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char c[128] = "test";
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c[0] = '6'; // avoid c being optimized out
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return c[1]; // avoid c being optimized out
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"""
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if conf.CheckRequirement('memcpy', memcpy_test):
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add_file('memcpy.c')
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if conf.CheckRequirement('memset', memset_test):
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add_file('memset.c')
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conf.Finish()
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#
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# Some platforms, like FreeBSD, require -pthread flag to be passed
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# instead of -lpthread.
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#
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conf = FlagsConfigure(makensis_env)
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conf.CheckLinkFlag('-pthread')
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conf.Finish()
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#
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# GCC doesn't define __BIG_ENDIAN__ or __LITTLE_ENDIAN__, so manually check
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# for the endianess and define __BIG_ENDIAN__ if needed.
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#
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def check_big_endian(ctx):
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ctx.Message('Checking for __BIG_ENDIAN__... ')
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test = """
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int main() {
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#ifdef __BIG_ENDIAN__
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// already defined, no need to define again
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return 0;
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#else
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int i = 1;
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char *c = (char *) &i;
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return c[0] != 1;
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#endif
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}
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"""
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result = not ctx.TryRun(test, '.c')[0]
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ctx.Result(result)
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return result
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conf = defenv.Configure(custom_tests = { 'CheckBigEndian' : check_big_endian })
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if conf.CheckBigEndian():
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makensis_env.Append(CPPDEFINES = ['__BIG_ENDIAN__'])
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test_env.Append(CPPDEFINES = ['__BIG_ENDIAN__'])
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conf.Finish()
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if makensis_env['PLATFORM'] == 'hpux':
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makensis_env.Append(CPPDEFINES = ['NSIS_HPUX_ALLOW_UNALIGNED_DATA_ACCESS'])
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makensis_conf = makensis_env.Configure()
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makensis_conf.CheckLib("unalign")
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makensis_conf.CheckLib("hppa")
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makensis_conf.Finish()
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### return
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Return('stub_env makensis_env plugin_env util_env cp_util_env test_env')
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