[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 Martin Liška changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #12 from CVS Commits --- The master branch has been updated by Martin Liska : https://gcc.gnu.org/g:759f3854f0fdb4add2961bfafd1ee793f392f70a commit r12-2686-g759f3854f0fdb4add2961bfafd1ee793f392f70a Author: Mosè Giordano Date:

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #11 from Mosè Giordano --- > This is OK for master and back-ports from the Darwin perspective Thanks for the review and confirmation! > (I guess Martin plans to deal with this since he has assigned the PR, but if > he does not

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #10 from Iain Sandoe --- (In reply to Mosè Giordano from comment #6) > Created attachment 51038 [details] > Patch to fix the reported issue > > Please find attached a patch to fix the reported issue. I replaced the > bashism +=

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #9 from Iain Sandoe --- (In reply to Martin Liška from comment #8) > Sure, but I would like to first speak Iain who added the code. > What do you think about the patch? hm, sorry for introducing the bash-ism, the change LGTM but I

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 Martin Liška changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Ever confirmed|0

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #7 from Mosè Giordano --- Bump. Is there any chance someone can review a one-line patch? :)

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #6 from Mosè Giordano --- Created attachment 51038 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51038=edit Patch to fix the reported issue Please find attached a patch to fix the reported issue. I replaced the bashism +=

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #5 from Mosè Giordano --- Ok, I finally found the culprit: `libsanitizer` does already have a way to add `-Wl,-undefined,dynamic_lookup` to CXXFLAGS, but it uses a bashism:

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #4 from Mosè Giordano --- You're right, in `x86_64-apple-darwin14/libsanitizer/config.log` I can see that `build == x86_64-linux-musl` and `host == target == x86_64-apple-darwin`, but still, in `x86_64-apple-darwin14/libsanitizer` I

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #3 from Andrew Pinski --- (In reply to Mosè Giordano from comment #2) > GCC uses libtool checks to set these flags: >

[Bug sanitizer/101111] xgcc cross-compiler for x86_64-apple-darwin in GCC 11.1 doesn't generate weak symbols, resulting in undefined reference to ___lsan_default_suppressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10 --- Comment #2 from Mosè Giordano --- I've gathered some more information. In LLVM, libsanitizer uses -Wl,-U, to allow the macOS linker accept undefined symbols and mimic ELF weak symbols, see