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-rw-r--r--mesonbuild/linkers.py105
1 files changed, 67 insertions, 38 deletions
diff --git a/mesonbuild/linkers.py b/mesonbuild/linkers.py
index 44c720f..3ce7111 100644
--- a/mesonbuild/linkers.py
+++ b/mesonbuild/linkers.py
@@ -17,6 +17,7 @@ import os
import typing as T
from . import mesonlib
+from .arglist import CompilerArgs
from .envconfig import get_env_var
if T.TYPE_CHECKING:
@@ -29,6 +30,9 @@ class StaticLinker:
def __init__(self, exelist: T.List[str]):
self.exelist = exelist
+ def compiler_args(self, args: T.Optional[T.Iterable[str]] = None) -> CompilerArgs:
+ return CompilerArgs(self, args)
+
def can_linker_accept_rsp(self) -> bool:
"""
Determines whether the linker can accept arguments using the @rsp syntax.
@@ -56,8 +60,8 @@ class StaticLinker:
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
- return []
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
+ return ([], set())
def thread_link_flags(self, env: 'Environment') -> T.List[str]:
return []
@@ -149,6 +153,10 @@ class ArLinker(StaticLinker):
self.std_args = ['csrD']
else:
self.std_args = ['csr']
+ self.can_rsp = '@<' in stdo
+
+ def can_linker_accept_rsp(self) -> bool:
+ return self.can_rsp
def get_std_link_args(self) -> T.List[str]:
return self.std_args
@@ -436,16 +444,17 @@ class DynamicLinker(LinkerEnvVarsMixin, metaclass=abc.ABCMeta):
"""Arguments to make all warnings errors."""
return []
+ def headerpad_args(self) -> T.List[str]:
+ # Only used by the Apple linker
+ return []
+
def bitcode_args(self) -> T.List[str]:
raise mesonlib.MesonException('This linker does not support bitcode bundles')
- def get_debug_crt_args(self) -> T.List[str]:
- return []
-
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
- return []
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
+ return ([], set())
def get_soname_args(self, env: 'Environment', prefix: str, shlib_name: str,
suffix: str, soversion: str, darwin_versions: T.Tuple[str, str],
@@ -551,12 +560,12 @@ class GnuLikeDynamicLinkerMixin:
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
m = env.machines[self.for_machine]
if m.is_windows() or m.is_cygwin():
- return []
+ return ([], set())
if not rpath_paths and not install_rpath and not build_rpath:
- return []
+ return ([], set())
args = []
origin_placeholder = '$ORIGIN'
processed_rpaths = prepare_rpaths(rpath_paths, build_dir, from_dir)
@@ -564,9 +573,14 @@ class GnuLikeDynamicLinkerMixin:
# is *very* allergic to duplicate -delete_rpath arguments
# when calling depfixer on installation.
all_paths = mesonlib.OrderedSet([os.path.join(origin_placeholder, p) for p in processed_rpaths])
+ rpath_dirs_to_remove = set()
+ for p in all_paths:
+ rpath_dirs_to_remove.add(p.encode('utf8'))
# Build_rpath is used as-is (it is usually absolute).
if build_rpath != '':
all_paths.add(build_rpath)
+ for p in build_rpath.split(':'):
+ rpath_dirs_to_remove.add(p.encode('utf8'))
# TODO: should this actually be "for (dragonfly|open)bsd"?
if mesonlib.is_dragonflybsd() or mesonlib.is_openbsd():
@@ -590,7 +604,7 @@ class GnuLikeDynamicLinkerMixin:
# TODO: should this actually be "for solaris/sunos"?
if mesonlib.is_sunos():
- return args
+ return (args, rpath_dirs_to_remove)
# Rpaths to use while linking must be absolute. These are not
# written to the binary. Needed only with GNU ld:
@@ -610,7 +624,7 @@ class GnuLikeDynamicLinkerMixin:
for p in rpath_paths:
args.extend(self._apply_prefix('-rpath-link,' + os.path.join(build_dir, p)))
- return args
+ return (args, rpath_dirs_to_remove)
class AppleDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
@@ -650,8 +664,8 @@ class AppleDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
def no_undefined_args(self) -> T.List[str]:
return self._apply_prefix('-undefined,error')
- def get_always_args(self) -> T.List[str]:
- return self._apply_prefix('-headerpad_max_install_names') + super().get_always_args()
+ def headerpad_args(self) -> T.List[str]:
+ return self._apply_prefix('-headerpad_max_install_names')
def bitcode_args(self) -> T.List[str]:
return self._apply_prefix('-bitcode_bundle')
@@ -676,12 +690,10 @@ class AppleDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
if not rpath_paths and not install_rpath and not build_rpath:
- return []
- # Ensure that there is enough space for install_name_tool in-place
- # editing of large RPATHs
- args = self._apply_prefix('-headerpad_max_install_names')
+ return ([], set())
+ args = []
# @loader_path is the equivalent of $ORIGIN on macOS
# https://stackoverflow.com/q/26280738
origin_placeholder = '@loader_path'
@@ -692,13 +704,16 @@ class AppleDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
for rp in all_paths:
args.extend(self._apply_prefix('-rpath,' + rp))
- return args
+ return (args, set())
class GnuDynamicLinker(GnuLikeDynamicLinkerMixin, PosixDynamicLinkerMixin, DynamicLinker):
"""Representation of GNU ld.bfd and ld.gold."""
+ def get_accepts_rsp(self) -> bool:
+ return True;
+
class GnuGoldDynamicLinker(GnuDynamicLinker):
@@ -761,6 +776,11 @@ class WASMDynamicLinker(GnuLikeDynamicLinkerMixin, PosixDynamicLinkerMixin, Dyna
def get_asneeded_args(self) -> T.List[str]:
return []
+ def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
+ rpath_paths: str, build_rpath: str,
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
+ return ([], set())
+
class CcrxDynamicLinker(DynamicLinker):
@@ -834,8 +854,8 @@ class Xc16DynamicLinker(DynamicLinker):
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
- return []
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
+ return ([], set())
class C2000DynamicLinker(DynamicLinker):
@@ -907,6 +927,12 @@ class ArmClangDynamicLinker(ArmDynamicLinker):
def import_library_args(self, implibname: str) -> T.List[str]:
return ['--symdefs=' + implibname]
+class QualcommLLVMDynamicLinker(LLVMDynamicLinker):
+ def __init__(self, *args, **kwargs):
+ super().__init__(*args, **kwargs)
+
+ # ARM Linker from Snapdragon LLVM ARM Compiler
+ self.id = 'ld.qcld'
class PGIDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
@@ -933,10 +959,10 @@ class PGIDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
if not env.machines[self.for_machine].is_windows():
- return ['-R' + os.path.join(build_dir, p) for p in rpath_paths]
- return []
+ return (['-R' + os.path.join(build_dir, p) for p in rpath_paths], set())
+ return ([], set())
class PGIStaticLinker(StaticLinker):
@@ -975,16 +1001,6 @@ class VisualStudioLikeLinkerMixin:
def invoked_by_compiler(self) -> bool:
return not self.direct
- def get_debug_crt_args(self) -> T.List[str]:
- """Arguments needed to select a debug crt for the linker.
-
- Sometimes we need to manually select the CRT (C runtime) to use with
- MSVC. One example is when trying to link with static libraries since
- MSVC won't auto-select a CRT for us in that case and will error out
- asking us to select one.
- """
- return self._apply_prefix('/MDd')
-
def get_output_args(self, outputname: str) -> T.List[str]:
return self._apply_prefix(['/MACHINE:' + self.machine, '/OUT:' + outputname])
@@ -1075,6 +1091,19 @@ class SolarisDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
return args
return self._apply_prefix('--whole-archive') + args + self._apply_prefix('--no-whole-archive')
+ def get_pie_args(self) -> T.List[str]:
+ # Available in Solaris 11.2 and later
+ pc, stdo, stde = mesonlib.Popen_safe(self.exelist + self._apply_prefix('-zhelp'))
+ for line in (stdo + stde).split('\n'):
+ if '-z type' in line:
+ if 'pie' in line:
+ return ['-z', 'type=pie']
+ break
+ return []
+
+ def get_asneeded_args(self) -> T.List[str]:
+ return self._apply_prefix(['-z', 'ignore'])
+
def no_undefined_args(self) -> T.List[str]:
return ['-z', 'defs']
@@ -1086,9 +1115,9 @@ class SolarisDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
def build_rpath_args(self, env: 'Environment', build_dir: str, from_dir: str,
rpath_paths: str, build_rpath: str,
- install_rpath: str) -> T.List[str]:
+ install_rpath: str) -> T.Tuple[T.List[str], T.Set[bytes]]:
if not rpath_paths and not install_rpath and not build_rpath:
- return []
+ return ([], set())
processed_rpaths = prepare_rpaths(rpath_paths, build_dir, from_dir)
all_paths = mesonlib.OrderedSet([os.path.join('$ORIGIN', p) for p in processed_rpaths])
if build_rpath != '':
@@ -1103,7 +1132,7 @@ class SolarisDynamicLinker(PosixDynamicLinkerMixin, DynamicLinker):
paths = padding
else:
paths = paths + ':' + padding
- return self._apply_prefix('-rpath,{}'.format(paths))
+ return (self._apply_prefix('-rpath,{}'.format(paths)), set())
def get_soname_args(self, env: 'Environment', prefix: str, shlib_name: str,
suffix: str, soversion: str, darwin_versions: T.Tuple[str, str],
generated by cgit v1.1 at 2025-08-05 21:31:58 +0000