75e7e7d327
The `--gcc-toolchain` and `--gcc-install-dir` option were previously only visible to the Clang driver, but not Flang. These determine which assembler, linker, and libraries to use, e.g. for cross-compiling, and therefore are relevant for Flang as well. Tests are implemented using a mock GCC installation in `basic_cross_linux_tree` copied over from Clang's tests. The Clang driver already contains tests with `--driver-mode=flang` but `flang-new` is an entirely different executable (containing the `-fc1` stage) that should be tested as well. While not all files in `basic_cross_linux_tree` are strictly needed for testing those two driver flags, they will be necessarily needed for future added flags such as `--rtlib`. Also remove the entry `*.o` in flang's `.gitignore` since `crt*.o` files are needed in the GCC mock installation. Fixes #86729
22 lines
2.9 KiB
Fortran
22 lines
2.9 KiB
Fortran
!! Test that --gcc-toolchain and --gcc-install-dir options are working as expected.
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!! It does not test cross-compiling (--sysroot), so crtbegin.o, libgcc/compiler-rt, libc, libFortranRuntime, etc. are not supposed to be affected.
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!! PREFIX is captured twice because the driver escapes backslashes (occuring in Windows paths) in the -### output, but not on the "Selected GCC installation:" line.
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! RUN: %flang 2>&1 -### -v -o %t %s -no-integrated-as -fuse-ld=ld --target=i386-unknown-linux-gnu --gcc-install-dir=%S/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/10.2.0 | FileCheck %s --check-prefix=CHECK-I386
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! RUN: %flang 2>&1 -### -v -o %t %s -no-integrated-as -fuse-ld=ld --target=i386-unknown-linux-gnu --gcc-toolchain=%S/Inputs/basic_cross_linux_tree/usr | FileCheck %s --check-prefix=CHECK-I386
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! CHECK-I386: Selected GCC installation: [[PREFIX:[^"]+]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/10.2.0
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! CHECK-I386: "-fc1" "-triple" "i386-unknown-linux-gnu"
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! CHECK-I386: "[[PREFIX:[^"]+]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/10.2.0/../../../../i386-unknown-linux-gnu/bin{{/|\\\\}}as"
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! CHECK-I386: "[[PREFIX]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/10.2.0/../../../../i386-unknown-linux-gnu/bin{{/|\\\\}}ld" {{.*}} "-m" "elf_i386"
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! CHECK-I386-SAME: "-L[[PREFIX]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/10.2.0"
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! CHECK-I386-SAME: "-L[[PREFIX]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/i386-unknown-linux-gnu/10.2.0/../../../../i386-unknown-linux-gnu/lib"
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! RUN: %flang 2>&1 -### -v -o %t %s -no-integrated-as -fuse-ld=ld --target=x86_64-unknown-linux-gnu --gcc-install-dir=%S/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2.0 | FileCheck %s --check-prefix=CHECK-X86-64
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! RUN: %flang 2>&1 -### -v -o %t %s -no-integrated-as -fuse-ld=ld --target=x86_64-unknown-linux-gnu --gcc-toolchain=%S/Inputs/basic_cross_linux_tree/usr | FileCheck %s --check-prefix=CHECK-X86-64
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! CHECK-X86-64: Selected GCC installation: [[PREFIX:[^"]+]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2.0
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! CHECK-X86-64: "-fc1" "-triple" "x86_64-unknown-linux-gnu"
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! CHECK-X86-64: "[[PREFIX:[^"]+]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2.0/../../../../x86_64-unknown-linux-gnu/bin{{/|\\\\}}as" "--64"
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! CHECK-X86-64: "[[PREFIX]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2.0/../../../../x86_64-unknown-linux-gnu/bin{{/|\\\\}}ld" {{.*}} "-m" "elf_x86_64"
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! CHECK-X86-64-SAME: "-L[[PREFIX]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2.0"
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! CHECK-X86-64-SAME: "-L[[PREFIX]]/Inputs/basic_cross_linux_tree/usr/lib/gcc/x86_64-unknown-linux-gnu/10.2.0/../../../../x86_64-unknown-linux-gnu/lib"
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