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[Driver][RISCV] Add RedHat Linux RISC-V triple 

Summary: Adds the RedHat Linux triple to the list of 64-bit RISC-V triples.
Without this the gcc libraries wouldn't be found by clang on a redhat/fedora
system, as the search list included `/usr/lib/gcc/riscv64-redhat-linux-gnu`
but the correct path didn't include the `-gnu` suffix.

Reviewers: lenary, asb, dlj
Reviewed By: lenary
Tags: #clang
Differential Revision: https://reviews.llvm.org/D74399
This commit is contained in:
Luís Marques 2020-02-14 13:44:42 +00:00
parent a55dec7d64
commit 9816e726e7
7 changed files with 16 additions and 0 deletions
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1
clang/lib/Driver/ToolChains/Gnu.cpp
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@ -2090,6 +2090,7 @@ void Generic_GCC::GCCInstallationDetector::AddDefaultGCCPrefixes(
static const char *const RISCV64Triples[] = {"riscv64-unknown-linux-gnu",
"riscv64-linux-gnu",
"riscv64-unknown-elf",
"riscv64-redhat-linux",
"riscv64-suse-linux"};
static const char *const SPARCv8LibDirs[] = {"/lib32", "/lib"};

0
clang/test/Driver/Inputs/fedora_31_riscv64_tree/usr/lib/gcc/riscv64-redhat-linux/9/crtbegin.o Normal file
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0
clang/test/Driver/Inputs/fedora_31_riscv64_tree/usr/lib/gcc/riscv64-redhat-linux/9/crtend.o Normal file
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0
clang/test/Driver/Inputs/fedora_31_riscv64_tree/usr/lib/gcc/riscv64-redhat-linux/9/crti.o Normal file
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0
clang/test/Driver/Inputs/fedora_31_riscv64_tree/usr/lib/gcc/riscv64-redhat-linux/9/crtn.o Normal file
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0
clang/test/Driver/Inputs/fedora_31_riscv64_tree/usr/lib64/crt1.o Normal file
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15
clang/test/Driver/linux-ld.c
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@ -769,6 +769,21 @@
// CHECK-FEDORA-21-AARCH64: "{{.*}}/usr/lib/gcc/aarch64-redhat-linux/4.9.0{{/|\\\\}}crtend.o"
// CHECK-FEDORA-21-AARCH64: "{{.*}}/usr/lib/gcc/aarch64-redhat-linux/4.9.0/../../../../lib64{{/|\\\\}}crtn.o"
//
// Check Fedora 31 on riscv64.
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: --target=riscv64-redhat-linux -rtlib=platform \
// RUN: --gcc-toolchain="" \
// RUN: --sysroot=%S/Inputs/fedora_31_riscv64_tree \
// RUN: | FileCheck --check-prefix=CHECK-FEDORA-31-RISCV64 %s
// CHECK-FEDORA-31-RISCV64: "{{.*}}ld{{(.exe)?}}" "--sysroot=[[SYSROOT:[^"]+]]"
// CHECK-FEDORA-31-RISCV64: "{{.*}}/usr/lib/gcc/riscv64-redhat-linux/9/../../../../lib64{{/|\\\\}}crt1.o"
// CHECK-FEDORA-31-RISCV64: "{{.*}}/usr/lib/gcc/riscv64-redhat-linux/9{{/|\\\\}}crti.o"
// CHECK-FEDORA-31-RISCV64: "{{.*}}/usr/lib/gcc/riscv64-redhat-linux/9{{/|\\\\}}crtbegin.o"
// CHECK-FEDORA-31-RISCV64: "-L[[SYSROOT]]/usr/lib/gcc/riscv64-redhat-linux/9"
// CHECK-FEDORA-31-RISCV64: "-L[[SYSROOT]]/usr/lib/gcc/riscv64-redhat-linux/9/../../../../lib64"
// CHECK-FEDORA-31-RISCV64: "{{.*}}/usr/lib/gcc/riscv64-redhat-linux/9{{/|\\\\}}crtend.o"
// CHECK-FEDORA-31-RISCV64: "{{.*}}/usr/lib/gcc/riscv64-redhat-linux/9{{/|\\\\}}crtn.o"
//
// RUN: %clang -no-canonical-prefixes %s -### -o %t.o 2>&1 \
// RUN: --target=arm-unknown-linux-gnueabi -rtlib=platform \
// RUN: --gcc-toolchain="" \