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20 hours ago •
seanbaxter
seanbaxter
Using Circle fails to link (and often crashes compiling) with `-m32`
On a Fedora 38 system, I'm unable to link for 32-bit (-m32) using Circle as the compiler driver:
$ circle -m32 x.cc
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libstdc++.so when searching for -lstdc++
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libstdc++.a when searching for -lstdc++
/usr/bin/ld: cannot find -lstdc++: No such file or directory
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libstdc++.so when searching for -lstdc++
/usr/bin/ld: skipping incompatible /usr/lib64//libm.so when searching for -lm
/usr/bin/ld: skipping incompatible /usr/lib64//libm.a when searching for -lm
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: cannot find -lgcc_s: No such file or directory
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libgcc_s.so when searching for -lgcc_s
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libgcc.a when searching for -lgcc
/usr/bin/ld: cannot find -lgcc: No such file or directory
/usr/bin/ld: skipping incompatible /usr/lib/gcc/x86_64-redhat-linux/13/libgcc_eh.a when searching for -lgcc_eh
/usr/bin/ld: cannot find -lgcc_eh: No such file or directory
/usr/bin/ld: skipping incompatible /usr/lib64//libc.so when searching for -lc
/usr/bin/ld: skipping incompatible /usr/lib64//libc.a when searching for -lc
error: linker failed with exit code 1
The following might be useful to debug this:
-
Linker invocation via G++ (working):
/usr/libexec/gcc/x86_64-redhat-linux/13/collect2 -fno-lto --build-id --no-add-needed --eh-frame-hdr --hash-style=gnu -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 /usr/lib/gcc/x86_64-redhat-linux/13/../../../../lib/crt1.o /usr/lib/gcc/x86_64-redhat-linux/13/../../../../lib/crti.o /usr/lib/gcc/x86_64-redhat-linux/13/32/crtbegin.o -L/usr/lib/gcc/x86_64-redhat-linux/13/32 -L/usr/lib/gcc/x86_64-redhat-linux/13/../../../../lib -L/lib/../lib -L/usr/lib/../lib -L/usr/lib/gcc/x86_64-redhat-linux/13 -L/usr/lib/gcc/x86_64-redhat-linux/13/../../.. /tmp/ccYhoDb4.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/lib/gcc/x86_64-redhat-linux/13/32/crtend.o /usr/lib/gcc/x86_64-redhat-linux/13/../../../../lib/crtn.o -
Linker invocation via Clang++ (working):
"/usr/bin/ld" --hash-style=gnu --build-id --eh-frame-hdr -m elf_i386 -dynamic-linker /lib/ld-linux.so.2 -o a.out /lib/crt1.o /lib/crti.o /usr/bin/../lib/gcc/x86_64-redhat-linux/13/32/crtbegin.o -L/usr/bin/../lib/gcc/x86_64-redhat-linux/13/32 -L/lib -L/usr/lib /tmp/x-24ca10.o -lstdc++ -lm -lgcc_s -lgcc -lc -lgcc_s -lgcc /usr/bin/../lib/gcc/x86_64-redhat-linux/13/32/crtend.o /lib/crtn.o -
Linker invocation via Circle (not working):
/usr/bin/ld --build-id --eh-frame-hdr -m elf_i386 -dynamic-linker /lib64/ld-linux-x86-64.so.2 -o x /usr/lib64/crt1.o /usr/lib64/crti.o /usr/lib/gcc/x86_64-redhat-linux/13/crtbegin.o -L/usr/local/lib64/ -L/usr/local/lib/ -L/usr/lib64/ -L/usr/lib/ -L/usr/lib/gcc/x86_64-redhat-linux/13 /tmp/circle-tmp-dir-cbI8oc/x.o -lstdc++ -lm --start-group -lgcc_s -lgcc -lgcc_eh -lc --end-group /usr/lib/gcc/x86_64-redhat-linux/13/crtend.o /usr/lib64/crtn.o
Linking is possible with an object build with circle -m32 using the linker directly, or using g++ (or clang++0 to invoke the linker:
$ circle -m32 -o x.o x.cc
$ file x.o
x.o: ELF 32-bit LSB relocatable, Intel 80386, version 1 (SYSV), not stripped
$ g++ -m32 -o a.out x.o
$ file a.out
a.out: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked,
interpreter /lib/ld-linux.so.2, for GNU/Linux 3.2.0, not stripped
$
Also, for some other non-trivial code, I can't even compile with -m32 (and I'm unable to try with LLVM/libc++; see #188):
circle -MMD -std=c++20 -Wall -Wextra -Iinclude -fPIC -O3 -DNDEBUG -D_FORTIFY_SOURCE=2 -m32 -DSIR_NO_STD_FORMAT=1 -Iinclude -c -o build/obj/tests/tests++.o tests/tests++.cc
error: /usr/include/c++/13/compare:558:54
... included from /usr/include/c++/13/bits/stl_pair.h:65:11
... included from /usr/include/c++/13/bits/stl_algobase.h:64:10
... included from /usr/include/c++/13/algorithm:60:10
... included from include/sir.hh:34:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
sizes of destination and source types in bitcast must match
destination type is unsigned long with size 8
source type is const volatile void* with size 4
auto __it = reinterpret_cast<__UINTPTR_TYPE__>(__pt);
^
declaration: /usr/include/c++/13/bits/ranges_cmp.h:129:12
during parsing of __x initializer
auto __x = reinterpret_cast<__UINTPTR_TYPE__>(
^
error: /usr/include/c++/13/bits/ranges_cmp.h:130:9
... included from /usr/include/c++/13/bits/iterator_concepts.h:38:10
... included from /usr/include/c++/13/bits/stl_iterator_base_types.h:71:11
... included from /usr/include/c++/13/bits/stl_algobase.h:65:10
... included from /usr/include/c++/13/algorithm:60:10
... included from include/sir.hh:34:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
sizes of destination and source types in bitcast must match
destination type is unsigned long with size 8
source type is const volatile void* with size 4
static_cast<const volatile void*>(std::forward<_Tp>(__t)));
^
error: /usr/include/c++/13/bits/align.h:66:53
... included from /usr/include/c++/13/memory:74:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
sizes of destination and source types in bitcast must match
destination type is unsigned long with size 8
source type is void* with size 4
typedef uintptr_t = unsigned long declared at /usr/include/stdint.h:90:27
const auto __intptr = reinterpret_cast<uintptr_t>(__ptr);
^
error: /usr/include/c++/13/bits/align.h:67:27
... included from /usr/include/c++/13/memory:74:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
object __intptr has placeholder type
const auto __aligned = (__intptr - 1u + __align) & -__align;
^
error: /usr/include/c++/13/bits/align.h:68:23
... included from /usr/include/c++/13/memory:74:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
object __aligned has placeholder type
const auto __diff = __aligned - __intptr;
^
error: /usr/include/c++/13/bits/align.h:69:7
... included from /usr/include/c++/13/memory:74:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
object __diff has placeholder type
if (__diff > (__space - __size))
^
error: /usr/include/c++/13/system_error:168:38
... included from /usr/include/c++/13/bits/ios_base.h:46:11
... included from /usr/include/c++/13/ios:44:10
... included from /usr/include/c++/13/ostream:40:10
... included from /usr/include/c++/13/bits/unique_ptr.h:42:12
... included from /usr/include/c++/13/memory:78:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
cannot convert void to std::strong_ordering
std::strong_ordering declared at /usr/include/c++/13/compare:256:3
{ return std::compare_three_way()(this, &__rhs); }
^
error: /usr/include/c++/13/bits/locale_facets.tcc:1210:40
... included from /usr/include/c++/13/bits/locale_facets.h:2687:11
... included from /usr/include/c++/13/bits/basic_ios.h:37:10
... included from /usr/include/c++/13/ios:46:10
... included from /usr/include/c++/13/ostream:40:10
... included from /usr/include/c++/13/bits/unique_ptr.h:42:12
... included from /usr/include/c++/13/memory:78:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
sizes of destination and source types in bitcast must match
destination type is unsigned long with size 8
source type is const void* with size 4
typedef _UIntPtrType = unsigned long declared at /usr/include/c++/13/bits/locale_facets.tcc:1207:46
reinterpret_cast<_UIntPtrType>(__v));
^
error: /usr/include/c++/13/bits/atomic_wait.h:255:27
... included from /usr/include/c++/13/bits/atomic_base.h:42:10
... included from /usr/include/c++/13/bits/shared_ptr_atomic.h:33:10
... included from /usr/include/c++/13/memory:81:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
sizes of destination and source types in bitcast must match
destination type is unsigned long with size 8
source type is const void* with size 4
typedef uintptr_t = unsigned long declared at /usr/include/stdint.h:90:27
auto __key = (uintptr_t(__addr) >> 2) % __ct;
^
error: /usr/include/c++/13/bits/atomic_wait.h:256:14
... included from /usr/include/c++/13/bits/atomic_base.h:42:10
... included from /usr/include/c++/13/bits/shared_ptr_atomic.h:33:10
... included from /usr/include/c++/13/memory:81:12
... included from include/sir.hh:36:11
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
object __key has placeholder type
return __w[__key];
^
error: /usr/include/boost/smart_ptr/detail/spinlock_pool.hpp:47:58
... included from /usr/include/boost/smart_ptr/shared_ptr.hpp:29:10
... included from /usr/include/boost/shared_ptr.hpp:17:10
... included from /usr/include/boost/format/alt_sstream.hpp:22:10
... included from /usr/include/boost/format/internals.hpp:24:10
... included from /usr/include/boost/format.hpp:38:10
... included from include/sir.hh:46:12
... included from tests/tests++.hh:29:11
... included from tests/tests++.cc:26:10
sizes of destination and source types in bitcast must match
destination type is unsigned long with size 8
source type is const void* with size 4
typedef std::size_t = unsigned long declared at /usr/include/c++/13/x86_64-redhat-linux/bits/c++config.h:2593:27
std::size_t i = reinterpret_cast< std::size_t >( pv ) % 41;
^
error: translation aborted; too many errors
... and if I avoid Boost but keep -m32 Circle crashes compiling:
Segmentation fault (core dumped)
Here's the backtrace:
#0 0x0000000000442537 in slab::allocator_t::alloc(unsigned long) ()
#1 0x00000000006d4e56 in ip::object_store_t::alloc_decl(sema::decl_object_t*, sema::context_t&, bool) ()
#2 0x00000000006dc005 in ip::interpret_t::create_object(sema::decl_object_t*, sema::arg_expr_t*) ()
#3 0x00000000006dd968 in ip::inject_object(sema::decl_object_t*, sema::context_t&) ()
#4 0x0000000000533906 in sema::stmt_builder_t::object_init(sema::decl_object_t*, std::unique_ptr<sema::arg_t, std::default_delete<sema::arg_t> >, source_loc_t, bool) ()
#5 0x0000000000533c9f in sema::stmt_builder_t::decl_init(sema::decl_t*, std::unique_ptr<sema::arg_t, std::default_delete<sema::arg_t> >, source_loc_t) ()
#6 0x0000000000852113 in fe::decl_builder_t::declare_objectlike(fe::decl_builder_t::parse_t&, fe::range_t&, bool&) ()
#7 0x000000000084e628 in fe::decl_builder_t::process_declaration(fe::decl_builder_t::parse_t&, fe::range_t&, bool) ()
#8 0x000000000084cbdc in fe::decl_builder_t::regular_declarations(fe::range_t, bool) ()
#9 0x00000000008480ca in fe::decl_builder_t::parse(fe::range_t, bool) ()
#10 0x000000000085b3cc in fe::grammar_t::simple_declaration(fe::range_t, bool, llvm::SmallVector<std::unique_ptr<sema::template_header_t, std::default_delete<sema::template_header_t> >, 1u>*) ()
#11 0x000000000085bd6a in fe::grammar_t::declaration_statement(fe::range_t, bool, llvm::SmallVector<std::unique_ptr<sema::template_header_t, std::default_delete<sema::template_header_t> >, 1u>*) ()
#12 0x0000000000837cd5 in fe::grammar_t::generic_statement(fe::range_t, meta_prefix_t) ()
#13 0x00000000008379aa in fe::grammar_t::statement(fe::syntax_stmt_t*) ()
#14 0x000000000083770d in fe::grammar_t::statements(llvm::SmallVector<std::unique_ptr<fe::syntax_stmt_t, std::default_delete<fe::syntax_stmt_t> >, 2u>&) ()
#15 0x0000000000844b32 in fe::grammar_t::namespace_definition(fe::syntax_ns_t*) ()
#16 0x00000000008386a7 in fe::grammar_t::resolved_statement(fe::syntax_stmt_t*) ()
#17 0x00000000008379da in fe::grammar_t::statement(fe::syntax_stmt_t*) ()
#18 0x000000000083770d in fe::grammar_t::statements(llvm::SmallVector<std::unique_ptr<fe::syntax_stmt_t, std::default_delete<fe::syntax_stmt_t> >, 2u>&) ()
#19 0x0000000000844b32 in fe::grammar_t::namespace_definition(fe::syntax_ns_t*) ()
#20 0x00000000008386a7 in fe::grammar_t::resolved_statement(fe::syntax_stmt_t*) ()
#21 0x00000000008379da in fe::grammar_t::statement(fe::syntax_stmt_t*) ()
#22 0x000000000083770d in fe::grammar_t::statements(llvm::SmallVector<std::unique_ptr<fe::syntax_stmt_t, std::default_delete<fe::syntax_stmt_t> >, 2u>&) ()
#23 0x0000000000844b32 in fe::grammar_t::namespace_definition(fe::syntax_ns_t*) ()
#24 0x00000000008386a7 in fe::grammar_t::resolved_statement(fe::syntax_stmt_t*) ()
#25 0x0000000000837a38 in fe::grammar_t::statement(fe::syntax_stmt_t*) ()
#26 0x000000000083770d in fe::grammar_t::statements(llvm::SmallVector<std::unique_ptr<fe::syntax_stmt_t, std::default_delete<fe::syntax_stmt_t> >, 2u>&) ()
#27 0x0000000000844b32 in fe::grammar_t::namespace_definition(fe::syntax_ns_t*) ()
#28 0x00000000008386a7 in fe::grammar_t::resolved_statement(fe::syntax_stmt_t*) ()
#29 0x0000000000837a38 in fe::grammar_t::statement(fe::syntax_stmt_t*) ()
#30 0x000000000083770d in fe::grammar_t::statements(llvm::SmallVector<std::unique_ptr<fe::syntax_stmt_t, std::default_delete<fe::syntax_stmt_t> >, 2u>&) ()
#31 0x00000000004473e1 in main ()
This all works with 64-bit.