[clang] [flang] [llvm] [flang-rt] Pass the whole path of libflang_rt.runtime.a to linker on AIX and LoP (PR #131041)

[Peter Klausler via llvm-commits]

klausler wrote:

```
FAIL: Flang :: Driver/linker-flags.f90 (1 of 3430)
******************** TEST 'Flang :: Driver/linker-flags.f90' FAILED ********************
Exit Code: 1

Command Output (stderr):
--
/home/pklausler/llvm-project/build/x86/gcc/9.3.0/Release/shared/bin/flang -### --target=ppc64le-linux-gnu /home/pklausler/llvm-project/flang/test/Driver/Inputs/hello.f90 2>&1 | /home/pklausler/llvm-project/build/x86/gcc/9.3.0/Release/shared/bin/FileCheck /home/pklausler/llvm-project/flang/test/Driver/linker-flags.f90 --check-prefixes=CHECK,UNIX,UNIX-F128LIBQUADMATH # RUN: at line 5
+ /home/pklausler/llvm-project/build/x86/gcc/9.3.0/Release/shared/bin/flang -### --target=ppc64le-linux-gnu /home/pklausler/llvm-project/flang/test/Driver/Inputs/hello.f90
+ /home/pklausler/llvm-project/build/x86/gcc/9.3.0/Release/shared/bin/FileCheck /home/pklausler/llvm-project/flang/test/Driver/linker-flags.f90 --check-prefixes=CHECK,UNIX,UNIX-F128LIBQUADMATH
/home/pklausler/llvm-project/flang/test/Driver/linker-flags.f90:34:30: error: UNIX-F128LIBQUADMATH-SAME: expected string not found in input
! UNIX-F128LIBQUADMATH-SAME: "-lflang_rt.quadmath" "--as-needed" "-lquadmath" "--no-as-needed"
                             ^
<stdin>:7:265: note: scanning from here
 "/usr/bin/ld" "-z" "relro" "--hash-style=gnu" "--eh-frame-hdr" "-m" "elf64lppc" "-pie" "-dynamic-linker" "/lib64/ld64.so.2" "-o" "a.out" "Scrt1.o" "crti.o" "crtbeginS.o" "-L/lib/../lib64" "-L/usr/lib64" "-L/lib" "-L/usr/lib" "/tmp/lit-tmp-lj2vq0ix/hello-bf8634.o" "-L/local/home/pklausler/build/llvm-project/x86/gcc/9.3.0/Release/shared/lib" "-lflang_rt.runtime" "-lm" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "-lc" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "crtendS.o" "crtn.o"
                                                                                                                                                                                                                                                                        ^
<stdin>:7:409: note: possible intended match here
 "/usr/bin/ld" "-z" "relro" "--hash-style=gnu" "--eh-frame-hdr" "-m" "elf64lppc" "-pie" "-dynamic-linker" "/lib64/ld64.so.2" "-o" "a.out" "Scrt1.o" "crti.o" "crtbeginS.o" "-L/lib/../lib64" "-L/usr/lib64" "-L/lib" "-L/usr/lib" "/tmp/lit-tmp-lj2vq0ix/hello-bf8634.o" "-L/local/home/pklausler/build/llvm-project/x86/gcc/9.3.0/Release/shared/lib" "-lflang_rt.runtime" "-lm" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "-lc" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "crtendS.o" "crtn.o"
                                                                                                                                                                                                                                                                                                                                                                                                                        ^

Input file: <stdin>
Check file: /home/pklausler/llvm-project/flang/test/Driver/linker-flags.f90

-dump-input=help explains the following input dump.

Input was:
<<<<<<
           1: flang version 21.0.0git (git at github.com:klausler/llvm-project.git 8cc63d9cd4f14c4a4b444401e5f77c0a9e500a3f) 
           2: Target: ppc64le-unknown-linux-gnu 
           3: Thread model: posix 
           4: InstalledDir: /local/home/pklausler/build/llvm-project/x86/gcc/9.3.0/Release/shared/bin 
           5: Build config: +assertions 
           6:  "/local/home/pklausler/build/llvm-project/x86/gcc/9.3.0/Release/shared/bin/flang" "-fc1" "-triple" "ppc64le-unknown-linux-gnu" "-emit-obj" "-mrelocation-model" "pic" "-pic-level" "2" "-pic-is-pie" "-target-cpu" "ppc64le" "-resource-dir" "/local/home/pklausler/build/llvm-project/x86/gcc/9.3.0/Release/shared/lib/clang/21" "-mframe-pointer=all" "-o" "/tmp/lit-tmp-lj2vq0ix/hello-bf8634.o" "-x" "f95-cpp-input" "/home/pklausler/llvm-project/flang/test/Driver/Inputs/hello.f90" 
           7:  "/usr/bin/ld" "-z" "relro" "--hash-style=gnu" "--eh-frame-hdr" "-m" "elf64lppc" "-pie" "-dynamic-linker" "/lib64/ld64.so.2" "-o" "a.out" "Scrt1.o" "crti.o" "crtbeginS.o" "-L/lib/../lib64" "-L/usr/lib64" "-L/lib" "-L/usr/lib" "/tmp/lit-tmp-lj2vq0ix/hello-bf8634.o" "-L/local/home/pklausler/build/llvm-project/x86/gcc/9.3.0/Release/shared/lib" "-lflang_rt.runtime" "-lm" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "-lc" "-lgcc" "--as-needed" "-lgcc_s" "--no-as-needed" "crtendS.o" "crtn.o" 
same:34'0                                                                                                                                                                                                                                                                             X~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ error: no match found
same:34'1                                                                                                                                                                                                                                                                                                                                                                                                                             ?                                                                                       possible intended match
>>>>>>

--
```

https://github.com/llvm/llvm-project/pull/131041