@ -2043,47 +2043,23 @@ rule FORTRAN_DEP_HACK
return [ ]
return linker . get_no_stdlib_link_args ( )
def generate_link ( self , target , outfile , outname , obj_list , linker , extra_args = [ ] ) :
if isinstance ( target , build . StaticLibrary ) :
linker_base = ' STATIC '
else :
linker_base = linker . get_language ( ) # Fixme.
if isinstance ( target , build . SharedLibrary ) :
self . generate_shsym ( outfile , target )
crstr = ' '
if target . is_cross :
crstr = ' _CROSS '
linker_rule = linker_base + crstr + ' _LINKER '
def get_target_type_link_args ( self , target , linker ) :
abspath = os . path . join ( self . environment . get_build_dir ( ) , target . subdir )
commands = [ ]
if not isinstance ( target , build . StaticLibrary ) :
commands + = self . build . get_project_link_args ( linker , target . subproject )
commands + = self . build . get_global_link_args ( linker )
commands + = self . get_cross_stdlib_link_args ( target , linker )
commands + = linker . get_linker_always_args ( )
if not isinstance ( target , build . StaticLibrary ) :
commands + = compilers . get_base_link_args ( self . environment . coredata . base_options ,
linker ,
isinstance ( target , build . SharedModule ) )
commands + = linker . get_buildtype_linker_args ( self . environment . coredata . get_builtin_option ( ' buildtype ' ) )
commands + = linker . get_option_link_args ( self . environment . coredata . compiler_options )
commands + = self . get_link_debugfile_args ( linker , target , outname )
if not ( isinstance ( target , build . StaticLibrary ) ) :
commands + = self . environment . coredata . external_link_args [ linker . get_language ( ) ]
if isinstance ( target , build . Executable ) :
# Currently only used with the Swift compiler to add '-emit-executable'
commands + = linker . get_std_exe_link_args ( )
elif isinstance ( target , build . SharedLibrary ) :
if isinstance ( target , build . SharedModule ) :
commands + = linker . get_std_shared_module_link_args ( )
else :
commands + = linker . get_std_shared_lib_link_args ( )
# All shared libraries are PIC
commands + = linker . get_pic_args ( )
if hasattr ( target , ' soversion ' ) :
soversion = target . soversion
else :
soversion = None
# Add -Wl,-soname arguments on Linux, -install_name on OS X
commands + = linker . get_soname_args ( target . prefix , target . name , target . suffix ,
abspath , soversion , isinstance ( target , build . SharedModule ) )
abspath , target . soversion ,
isinstance ( target , build . SharedModule ) )
# This is only visited when using the Visual Studio toolchain
if target . vs_module_defs and hasattr ( linker , ' gen_vs_module_defs_args ' ) :
commands + = linker . gen_vs_module_defs_args ( target . vs_module_defs . rel_to_builddir ( self . build_to_src ) )
@ -2094,17 +2070,75 @@ rule FORTRAN_DEP_HACK
commands + = linker . get_std_link_args ( )
else :
raise RuntimeError ( ' Unknown build target type. ' )
# Link arguments of static libraries are not put in the command line of
# the library. They are instead appended to the command line where
# the static library is used.
return commands
def generate_link ( self , target , outfile , outname , obj_list , linker , extra_args = [ ] ) :
if isinstance ( target , build . StaticLibrary ) :
linker_base = ' STATIC '
else :
linker_base = linker . get_language ( ) # Fixme.
if isinstance ( target , build . SharedLibrary ) :
self . generate_shsym ( outfile , target )
crstr = ' '
if target . is_cross :
crstr = ' _CROSS '
linker_rule = linker_base + crstr + ' _LINKER '
# Create an empty commands list, and start adding link arguments from
# various sources in the order in which they must override each other
# starting from hard-coded defaults followed by build options and so on.
#
# Once all the linker options have been passed, we will start passing
# libraries and library paths from internal and external sources.
commands = CompilerArgs ( linker )
# First, the trivial ones that are impossible to override.
#
# Add linker args for linking this target derived from 'base' build
# options passed on the command-line, in default_options, etc.
# These have the lowest priority.
if not isinstance ( target , build . StaticLibrary ) :
commands + = compilers . get_base_link_args ( self . environment . coredata . base_options ,
linker ,
isinstance ( target , build . SharedModule ) )
# Add -nostdlib if needed; can't be overriden
commands + = self . get_cross_stdlib_link_args ( target , linker )
# Add things like /NOLOGO; usually can't be overriden
commands + = linker . get_linker_always_args ( )
# Add buildtype linker args: optimization level, etc.
commands + = linker . get_buildtype_linker_args ( self . environment . coredata . get_builtin_option ( ' buildtype ' ) )
# Add /DEBUG and the pdb filename when using MSVC
commands + = self . get_link_debugfile_args ( linker , target , outname )
# Add link args specific to this BuildTarget type, such as soname args,
# PIC, import library generation, etc.
commands + = self . get_target_type_link_args ( target , linker )
if not isinstance ( target , build . StaticLibrary ) :
# Add link args added using add_project_link_arguments()
commands + = self . build . get_project_link_args ( linker , target . subproject )
# Add link args added using add_global_link_arguments()
# These override per-project link arguments
commands + = self . build . get_global_link_args ( linker )
# Link args added from the env: LDFLAGS. We want these to
# override all the defaults but not the per-target link args.
commands + = self . environment . coredata . external_link_args [ linker . get_language ( ) ]
# Now we will add libraries and library paths from various sources
# Add link args to link to all internal libraries (link_with:) and
# internal dependencies needed by this target.
if linker_base == ' STATIC ' :
# Link arguments of static libraries are not put in the command
# line of the library. They are instead appended to the command
# line where the static library is used.
dependencies = [ ]
else :
dependencies = target . get_dependencies ( )
commands + = self . build_target_link_arguments ( linker , dependencies )
# For 'automagic' deps: Boost and GTest. Also dependency('threads').
# pkg-config puts the thread flags itself via `Cflags:`
for d in target . external_deps :
if d . need_threads ( ) :
commands + = linker . thread_link_flags ( )
# Only non-static built targets need link args and link dependencies
if not isinstance ( target , build . StaticLibrary ) :
commands + = target . link_args
# External deps must be last because target link libraries may depend on them.
@ -2114,12 +2148,24 @@ rule FORTRAN_DEP_HACK
if isinstance ( d , build . StaticLibrary ) :
for dep in d . get_external_deps ( ) :
commands + = dep . get_link_args ( )
# Add link args for c_* or cpp_* build options. Currently this only
# adds c_winlibs and cpp_winlibs when building for Windows. This needs
# to be after all internal and external libraries so that unresolved
# symbols from those can be found here. This is needed when the
# *_winlibs that we want to link to are static mingw64 libraries.
commands + = linker . get_option_link_args ( self . environment . coredata . compiler_options )
# Set runtime-paths so we can run executables without needing to set
# LD_LIBRARY_PATH, etc in the environment. Doesn't work on Windows.
commands + = linker . build_rpath_args ( self . environment . get_build_dir ( ) ,
self . determine_rpath_dirs ( target ) , target . install_rpath )
self . determine_rpath_dirs ( target ) ,
target . install_rpath )
# Add libraries generated by custom targets
custom_target_libraries = self . get_custom_target_provided_libraries ( target )
commands + = extra_args
commands + = custom_target_libraries
commands = linker . unix_args_to_native ( self . dedup_arguments ( commands ) )
# Convert from GCC-style link argument naming to the naming used by the
# current compiler.
commands = commands . to_native ( )
dep_targets = [ self . get_dependency_filename ( t ) for t in dependencies ]
dep_targets + = [ os . path . join ( self . environment . source_dir ,
target . subdir , t ) for t in target . link_depends ]