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[Driver][DragonFly] -r: imply -nostdlib like GCC 

Similar to D116843 for Gnu.cpp

Reviewed By: MaskRay

Differential Revision: https://reviews.llvm.org/D119656
This commit is contained in:
Brad Smith 2022-02-14 23:24:26 -05:00
parent f419029fcd
commit cbd9d136ef
2 changed files with 12 additions and 4 deletions
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9
clang/lib/Driver/ToolChains/DragonFly.cpp
View File

@ -91,7 +91,8 @@ void dragonfly::Linker::ConstructJob(Compilation &C, const JobAction &JA,
assert(Output.isNothing() && "Invalid output.");
}
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
options::OPT_r)) {
if (!Args.hasArg(options::OPT_shared)) {
if (Args.hasArg(options::OPT_pg))
CmdArgs.push_back(
@ -119,7 +120,8 @@ void dragonfly::Linker::ConstructJob(Compilation &C, const JobAction &JA,
AddLinkerInputs(getToolChain(), Inputs, Args, CmdArgs, JA);
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs)) {
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nodefaultlibs,
options::OPT_r)) {
CmdArgs.push_back("-L/usr/lib/gcc80");
if (!Args.hasArg(options::OPT_static)) {
@ -158,7 +160,8 @@ void dragonfly::Linker::ConstructJob(Compilation &C, const JobAction &JA,
}
}
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles)) {
if (!Args.hasArg(options::OPT_nostdlib, options::OPT_nostartfiles,
options::OPT_r)) {
if (Args.hasArg(options::OPT_shared) || Args.hasArg(options::OPT_pie))
CmdArgs.push_back(
Args.MakeArgString(getToolChain().GetFilePath("crtendS.o")));

7
clang/test/Driver/dragonfly.c
View File

@ -4,4 +4,9 @@
// CHECK: clang{{.*}}" "-cc1" "-triple" "x86_64-pc-dragonfly"
// CHECK: ld{{.*}}" "--eh-frame-hdr" "-dynamic-linker" "/usr/libexec/ld-elf.so.{{.*}}" "--hash-style=gnu" "--enable-new-dtags" "-o" "a.out" "{{.*}}crt1.o" "{{.*}}crti.o" "{{.*}}crtbegin.o" "{{.*}}.o" "-L{{.*}}gcc{{.*}}" "-rpath" "{{.*}}gcc{{.*}}" "-lc" "-lgcc" "{{.*}}crtend.o" "{{.*}}crtn.o"
// -r suppresses default -l and crt*.o like -nostdlib.
// RUN: %clang -### %s --target=x86_64-pc-dragonfly -r \
// RUN: 2>&1 | FileCheck %s --check-prefix=RELOCATABLE
// RELOCATABLE: "-r"
// RELOCATABLE-NOT: "-l
// RELOCATABLE-NOT: {{.*}}crt{{[^.]+}}.o