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[Flang][Driver] Enable the -B option (#109965)

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The option provides the search prefix for executables, libraries and
data files.

The option is implemented in the common portion of the Driver and only
needs to be enabled in Flang. Test added is a copy of the relevant test
in Clang.
This commit is contained in:
Kiran Chandramohan 2024-10-01 15:01:32 +01:00 committed by GitHub
parent 2026501cf1
commit 28be39f174
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6 changed files with 24 additions and 0 deletions
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1
clang/include/clang/Driver/Options.td
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@ -816,6 +816,7 @@ def _DASH_DASH : Option<["--"], "", KIND_REMAINING_ARGS>,
def A : JoinedOrSeparate<["-"], "A">, Flags<[RenderJoined]>,
Group<gfortran_Group>;
def B : JoinedOrSeparate<["-"], "B">, MetaVarName<"<prefix>">,
Visibility<[ClangOption, FlangOption]>,
HelpText<"Search $prefix$file for executables, libraries, and data files. "
"If $prefix is a directory, search $prefix/$file">;
def gcc_install_dir_EQ : Joined<["--"], "gcc-install-dir=">,

23
flang/test/Driver/B-opt.f90 Normal file
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@ -0,0 +1,23 @@
! Check -B driver option.
!
! Target triple prefix is not detected for -B.
! RUN: %flang %s -### -o %t.o --target=i386-unknown-linux \
! RUN: -B %S/Inputs/B_opt_tree/dir1 -fuse-ld=ld 2>&1 \
! RUN: | FileCheck --check-prefix=CHECK-B-OPT-TRIPLE %s
! CHECK-B-OPT-TRIPLE-NOT: "{{.*}}/Inputs/B_opt_tree/dir1{{/|\\\\}}i386-unknown-linux-ld"
!
! RUN: %flang %s -### -o %t.o --target=i386-unknown-linux \
! RUN: -B %S/Inputs/B_opt_tree/dir2 -fuse-ld=ld 2>&1 \
! RUN: | FileCheck --check-prefix=CHECK-B-OPT-DIR %s
! CHECK-B-OPT-DIR: "{{.*}}/Inputs/B_opt_tree/dir2{{/|\\\\}}ld"
!
! RUN: %flang %s -### -o %t.o --target=i386-unknown-linux \
! RUN: -B %S/Inputs/B_opt_tree/dir3/prefix- -fuse-ld=ld 2>&1 \
! RUN: | FileCheck --check-prefix=CHECK-B-OPT-PREFIX %s
! CHECK-B-OPT-PREFIX: "{{.*}}/Inputs/B_opt_tree/dir3{{/|\\\\}}prefix-ld"
!
! RUN: %flang %s -### -o %t.o --target=i386-unknown-linux \
! RUN: -B %S/Inputs/B_opt_tree/dir3/prefix- \
! RUN: -B %S/Inputs/B_opt_tree/dir2 2>&1 -fuse-ld=ld \
! RUN: | FileCheck --check-prefix=CHECK-B-OPT-MULT %s
! CHECK-B-OPT-MULT: "{{.*}}/Inputs/B_opt_tree/dir3{{/|\\\\}}prefix-ld"

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flang/test/Driver/Inputs/B_opt_tree/dir1/i386-unknown-linux-ld Executable file
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0
flang/test/Driver/Inputs/B_opt_tree/dir1/ld Executable file
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0
flang/test/Driver/Inputs/B_opt_tree/dir2/ld Executable file
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0
flang/test/Driver/Inputs/B_opt_tree/dir3/prefix-ld Executable file
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