summaryrefslogtreecommitdiff
path: root/engine/SCons/Tool/link.py
diff options
context:
space:
mode:
Diffstat (limited to 'engine/SCons/Tool/link.py')
-rw-r--r--engine/SCons/Tool/link.py121
1 files changed, 121 insertions, 0 deletions
diff --git a/engine/SCons/Tool/link.py b/engine/SCons/Tool/link.py
new file mode 100644
index 0000000..55f7584
--- /dev/null
+++ b/engine/SCons/Tool/link.py
@@ -0,0 +1,121 @@
+"""SCons.Tool.link
+
+Tool-specific initialization for the generic Posix linker.
+
+There normally shouldn't be any need to import this module directly.
+It will usually be imported through the generic SCons.Tool.Tool()
+selection method.
+
+"""
+
+#
+# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 The SCons Foundation
+#
+# 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__ = "src/engine/SCons/Tool/link.py 4577 2009/12/27 19:43:56 scons"
+
+import SCons.Defaults
+import SCons.Tool
+import SCons.Util
+import SCons.Warnings
+
+from SCons.Tool.FortranCommon import isfortran
+
+cplusplus = __import__('c++', globals(), locals(), [])
+
+issued_mixed_link_warning = False
+
+def smart_link(source, target, env, for_signature):
+ has_cplusplus = cplusplus.iscplusplus(source)
+ has_fortran = isfortran(env, source)
+ if has_cplusplus and has_fortran:
+ global issued_mixed_link_warning
+ if not issued_mixed_link_warning:
+ msg = "Using $CXX to link Fortran and C++ code together.\n\t" + \
+ "This may generate a buggy executable if the '%s'\n\t" + \
+ "compiler does not know how to deal with Fortran runtimes."
+ SCons.Warnings.warn(SCons.Warnings.FortranCxxMixWarning,
+ msg % env.subst('$CXX'))
+ issued_mixed_link_warning = True
+ return '$CXX'
+ elif has_fortran:
+ return '$FORTRAN'
+ elif has_cplusplus:
+ return '$CXX'
+ return '$CC'
+
+def shlib_emitter(target, source, env):
+ for tgt in target:
+ tgt.attributes.shared = 1
+ return (target, source)
+
+def generate(env):
+ """Add Builders and construction variables for gnulink to an Environment."""
+ SCons.Tool.createSharedLibBuilder(env)
+ SCons.Tool.createProgBuilder(env)
+
+ env['SHLINK'] = '$LINK'
+ env['SHLINKFLAGS'] = SCons.Util.CLVar('$LINKFLAGS -shared')
+ env['SHLINKCOM'] = '$SHLINK -o $TARGET $SHLINKFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
+ # don't set up the emitter, cause AppendUnique will generate a list
+ # starting with None :-(
+ env.Append(SHLIBEMITTER = [shlib_emitter])
+ env['SMARTLINK'] = smart_link
+ env['LINK'] = "$SMARTLINK"
+ env['LINKFLAGS'] = SCons.Util.CLVar('')
+ env['LINKCOM'] = '$LINK -o $TARGET $LINKFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
+ env['LIBDIRPREFIX']='-L'
+ env['LIBDIRSUFFIX']=''
+ env['_LIBFLAGS']='${_stripixes(LIBLINKPREFIX, LIBS, LIBLINKSUFFIX, LIBPREFIXES, LIBSUFFIXES, __env__)}'
+ env['LIBLINKPREFIX']='-l'
+ env['LIBLINKSUFFIX']=''
+
+ if env['PLATFORM'] == 'hpux':
+ env['SHLIBSUFFIX'] = '.sl'
+ elif env['PLATFORM'] == 'aix':
+ env['SHLIBSUFFIX'] = '.a'
+
+ # For most platforms, a loadable module is the same as a shared
+ # library. Platforms which are different can override these, but
+ # setting them the same means that LoadableModule works everywhere.
+ SCons.Tool.createLoadableModuleBuilder(env)
+ env['LDMODULE'] = '$SHLINK'
+ # don't set up the emitter, cause AppendUnique will generate a list
+ # starting with None :-(
+ env.Append(LDMODULEEMITTER='$SHLIBEMITTER')
+ env['LDMODULEPREFIX'] = '$SHLIBPREFIX'
+ env['LDMODULESUFFIX'] = '$SHLIBSUFFIX'
+ env['LDMODULEFLAGS'] = '$SHLINKFLAGS'
+ env['LDMODULECOM'] = '$LDMODULE -o $TARGET $LDMODULEFLAGS $SOURCES $_LIBDIRFLAGS $_LIBFLAGS'
+
+
+
+def exists(env):
+ # This module isn't really a Tool on its own, it's common logic for
+ # other linkers.
+ return None
+
+# Local Variables:
+# tab-width:4
+# indent-tabs-mode:nil
+# End:
+# vim: set expandtab tabstop=4 shiftwidth=4: