Date: Thu, 15 Jul 2021 17:21:28 -0700 From: Mark Millard via freebsd-toolchain <freebsd-toolchain@freebsd.org> To: Dimitry Andric <dim@FreeBSD.org>, FreeBSD Toolchain <freebsd-toolchain@freebsd.org> Subject: Why is main's system clang (12.0.1-rc2) using /usr/local/bin/aarch64-unknown-freebsd14.0-ld ? (such breaks things) Message-ID: <7073D16F-4505-4948-8232-A9618DF2FE5F@yahoo.com> References: <7073D16F-4505-4948-8232-A9618DF2FE5F.ref@yahoo.com>
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Context:
# uname -apKU
FreeBSD CA72_16Gp_ZFS 14.0-CURRENT FreeBSD 14.0-CURRENT #10 =
main-n247756-348c41d1815d-dirty: Mon Jul 5 10:23:55 PDT 2021 =
root@CA72_16Gp_ZFS:/usr/obj/BUILDs/main-CA72-nodbg-clang/usr/main-src/arm6=
4.aarch64/sys/GENERIC-NODBG-CA72 arm64 aarch64 1400025 1400025
Showing a trivial example . . .
# cat trivial.cpp
// # c++ -v -o trival trivial.cpp
int main() {
}
# c++ -v
FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git =
llvmorg-12.0.1-rc2-0-ge7dac564cd0e)
Target: aarch64-unknown-freebsd14.0
Thread model: posix
InstalledDir: /usr/bin
# c++ -v -o trivial trivial.cpp
FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git =
llvmorg-12.0.1-rc2-0-ge7dac564cd0e)
Target: aarch64-unknown-freebsd14.0
Thread model: posix
InstalledDir: /usr/bin
"/usr/bin/c++" -cc1 -triple aarch64-unknown-freebsd14.0 -emit-obj =
-mrelax-all --mrelax-relocations -disable-free -disable-llvm-verifier =
-discard-value-names -main-file-name trivial.cpp -mrelocation-model =
static -mframe-pointer=3Dnon-leaf -fno-rounding-math =
-mconstructor-aliases -munwind-tables -target-cpu generic =
-target-feature +neon -target-abi aapcs =
-fallow-half-arguments-and-returns -fno-split-dwarf-inlining =
-debugger-tuning=3Dgdb -v -resource-dir /usr/lib/clang/12.0.1 =
-internal-isystem /usr/include/c++/v1 -fdeprecated-macro =
-fdebug-compilation-dir /usr/home/root/c_tests -ferror-limit 19 =
-fno-signed-char -fgnuc-version=3D4.2.1 -fcxx-exceptions -fexceptions =
-faddrsig -o /tmp/trivial-5d90b5.o -x c++ trivial.cpp
clang -cc1 version 12.0.1 based upon LLVM 12.0.1 default target =
aarch64-unknown-freebsd14.0
#include "..." search starts here:
#include <...> search starts here:
/usr/include/c++/v1
/usr/lib/clang/12.0.1/include
/usr/include
End of search list.
"/usr/local/bin/aarch64-unknown-freebsd14.0-ld" --eh-frame-hdr =
-dynamic-linker /libexec/ld-elf.so.1 --enable-new-dtags -o trivial =
/usr/lib/crt1.o /usr/lib/crti.o /usr/lib/crtbegin.o -L/usr/lib =
/tmp/trivial-5d90b5.o -lc++ -lm -lgcc --as-needed -lgcc_s --no-as-needed =
-lc -lgcc --as-needed -lgcc_s --no-as-needed /usr/lib/crtend.o =
/usr/lib/crtn.o
CA72_16Gp_ZFS# c++ -v
FreeBSD clang version 12.0.1 (git@github.com:llvm/llvm-project.git =
llvmorg-12.0.1-rc2-0-ge7dac564cd0e)
Target: aarch64-unknown-freebsd14.0
Thread model: posix
InstalledDir: /usr/bin
Note the "/usr/local/bin/aarch64-unknown-freebsd14.0-ld" path
for ld.
I've an example where this usage leads to:
/usr/local/bin/aarch64-unknown-freebsd14.0-ld: =
/usr/bin/../lib/LLVMgold.so: error loading plugin: Cannot open =
"/usr/bin/../lib/LLVMgold.so"
clang++: error: linker command failed with exit code 1 (use -v to see =
invocation)
*** Error code 1
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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