@ -129,6 +129,9 @@ from .compilers import (
VisualStudioCPPCompiler ,
)
if T . TYPE_CHECKING :
from . dependencies import ExternalProgram
build_filename = ' meson.build '
CompilersDict = T . Dict [ str , Compiler ]
@ -869,7 +872,7 @@ class Environment:
defines [ rest [ 0 ] ] = rest [ 1 ]
return defines
def _get_compilers ( self , lang , for_machine ) :
def _get_compilers ( self , lang : str , for_machine : MachineChoice ) - > T . Tuple [ T . List [ T . List [ str ] ] , T . List [ str ] , T . Optional [ ' ExternalProgram ' ] ] :
'''
The list of compilers is detected in the exact same way for
C , C + + , ObjC , ObjC + + , Fortran , CS so consolidate it here .
@ -1062,9 +1065,17 @@ class Environment:
self . __failed_to_detect_linker ( compiler , check_args , o , e )
return linker
def _detect_c_or_cpp_compiler ( self , lang : str , for_machine : MachineChoice ) - > Compiler :
def _detect_c_or_cpp_compiler ( self , lang : str , for_machine : MachineChoice , * , override_compiler : T . Optional [ T . List [ str ] ] = None ) - > Compiler :
""" Shared implementation for finding the C or C++ compiler to use.
the override_compiler option is provided to allow compilers which use
the compiler ( GCC or Clang usually ) as their shared linker , to find
the linker they need .
"""
popen_exceptions = { }
compilers , ccache , exe_wrap = self . _get_compilers ( lang , for_machine )
if override_compiler is not None :
compilers = [ override_compiler ]
is_cross = self . is_cross_build ( for_machine )
info = self . machines [ for_machine ]
@ -1619,9 +1630,9 @@ class Environment:
return comp_class ( exelist , version , for_machine , info , is_cross )
raise EnvironmentException ( ' Unknown compiler " ' + ' ' . join ( exelist ) + ' " ' )
def detect_rust_compiler ( self , for_machine ) :
popen_exceptions = { }
compilers , ccache , exe_wrap = self . _get_compilers ( ' rust ' , for_machine )
def detect_rust_compiler ( self , for_machine : MachineChoice ) - > RustCompiler :
popen_exceptions = { } # type: T.Dict[str, Exception]
compilers , _ , exe_wrap = self . _get_compilers ( ' rust ' , for_machine )
is_cross = self . is_cross_build ( for_machine )
info = self . machines [ for_machine ]
@ -1634,7 +1645,7 @@ class Environment:
compiler = [ compiler ]
arg = [ ' --version ' ]
try :
p , out = Popen_safe ( compiler + arg ) [ 0 : 2 ]
out = Popen_safe ( compiler + arg ) [ 1 ]
except OSError as e :
popen_exceptions [ ' ' . join ( compiler + arg ) ] = e
continue
@ -1651,17 +1662,30 @@ class Environment:
# the default use that, and second add the necessary arguments
# to rust to use -fuse-ld
if any ( a . startswith ( ' linker= ' ) for a in compiler ) :
mlog . warning (
' Please do not put -C linker= in your compiler '
' command, set rust_ld=command in your cross file '
' or use the RUST_LD environment variable. meson '
' will override your seletion otherwise. ' )
if override is None :
extra_args = { }
always_args = [ ]
if is_link_exe :
compiler . extend ( [ ' -C ' , ' linker= {} ' . format ( cc . linker . exelist [ 0 ] ) ] )
compiler . extend ( RustCompiler . use_linker_args ( cc . linker . exelist [ 0 ] ) )
extra_args [ ' direct ' ] = True
extra_args [ ' machine ' ] = cc . linker . machine
elif not ( ( info . is_darwin ( ) and isinstance ( cc , AppleClangCCompiler ) ) or
isinstance ( cc , GnuCCompiler ) ) :
c = cc . exelist [ 1 ] if cc . exelist [ 0 ] . endswith ( ' ccache ' ) else cc . exelist [ 0 ]
compiler . extend ( [ ' -C ' , ' linker= {} ' . format ( c ) ] )
else :
exelist = cc . linker . exelist . copy ( )
if ' ccache ' in exelist [ 0 ] :
del exelist [ 0 ]
c = exelist . pop ( 0 )
compiler . extend ( RustCompiler . use_linker_args ( c ) )
# Also ensure that we pass any extra arguments to the linker
for l in exelist :
compiler . extend ( [ ' -C ' , ' link-arg= {} ' . format ( l ) ] )
# This trickery with type() gets us the class of the linker
# so we can initialize a new copy for the Rust Compiler
@ -1675,21 +1699,22 @@ class Environment:
elif ' link ' in override [ 0 ] :
linker = self . _guess_win_linker (
override , RustCompiler , for_machine , use_linker_prefix = False )
# rustc takes linker arguments without a prefix, and
# inserts the correct prefix itself.
linker . direct = True
compiler . extend ( RustCompiler . use_linker_args ( linker . exelist [ 0 ] ) )
else :
# We're creating a new type of "C" compiler, that has rust
# as it's language. This is gross, but I can't figure out
# another way to handle this, because rustc is actually
# invoking the c compiler as it's linker.
b = type ( ' b ' , ( type ( cc ) , ) , { } )
b . language = RustCompiler . language
linker = self . _guess_nix_linker ( cc . exelist , b , for_machine )
# On linux and macos rust will invoke the c compiler for
# linking, on windows it will use lld-link or link.exe.
# we will simply ask for the C compiler that coresponds to
# it, and use that.
cc = self . _detect_c_or_cpp_compiler ( ' c ' , for_machine , override_compiler = override )
linker = cc . linker
# Of course, we're not going to use any of that, we just
# need it to get the proper arguments to pass to rustc
c = cc . exelist [ 1 ] if cc . exelist [ 0 ] . endswith ( ' ccache ' ) else cc . exelist [ 0 ]
compiler . extend ( [ ' -C ' , ' linker= {} ' . format ( c ) ] )
compiler . extend ( [ ' -C ' , ' link-args= {} ' . format ( ' ' . join ( cc . use_linker_args ( override [ 0 ] ) ) ) ] )
c = linker . exelist [ 1 ] if linker . exelist [ 0 ] . endswith ( ' ccache ' ) else linker . exelist [ 0 ]
compiler . extend ( RustCompiler . use_linker_args ( c ) )
self . coredata . add_lang_args ( RustCompiler . language , RustCompiler , for_machine , self )
return RustCompiler (
Jussi Pakkanen
4 years ago
committed by
GitHub