r183591 - When we're compiling with -pg make sure to link with gcrt1.o on linux. Be
Eric Christopher
echristo at gmail.com
Fri Jun 7 16:25:01 PDT 2013
Author: echristo
Date: Fri Jun 7 18:25:01 2013
New Revision: 183591
URL: http://llvm.org/viewvc/llvm-project?rev=183591&view=rev
Log:
When we're compiling with -pg make sure to link with gcrt1.o on linux. Be
sure to do this always, this matches the behavior for the gcc driver.
Fixes PR16251.
Based on a patch by Qiao Yang.
Modified:
cfe/trunk/lib/Driver/Tools.cpp
cfe/trunk/test/Driver/linux-ld.c
Modified: cfe/trunk/lib/Driver/Tools.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Tools.cpp?rev=183591&r1=183590&r2=183591&view=diff
==============================================================================
--- cfe/trunk/lib/Driver/Tools.cpp (original)
+++ cfe/trunk/lib/Driver/Tools.cpp Fri Jun 7 18:25:01 2013
@@ -6076,7 +6076,9 @@ void gnutools::Link::ConstructJob(Compil
if (!isAndroid) {
const char *crt1 = NULL;
if (!Args.hasArg(options::OPT_shared)){
- if (IsPIE)
+ if (Args.hasArg(options::OPT_pg))
+ crt1 = "gcrt1.o";
+ else if (IsPIE)
crt1 = "Scrt1.o";
else
crt1 = "crt1.o";
Modified: cfe/trunk/test/Driver/linux-ld.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/linux-ld.c?rev=183591&r1=183590&r2=183591&view=diff
==============================================================================
--- cfe/trunk/test/Driver/linux-ld.c (original)
+++ cfe/trunk/test/Driver/linux-ld.c Fri Jun 7 18:25:01 2013
@@ -667,3 +667,9 @@
// RUN: | FileCheck --check-prefix=CHECK-NOCRTFASTMATH %s
// CHECK-CRTFASTMATH: usr/lib/gcc/x86_64-unknown-linux/4.6.0/crtfastmath.o
// CHECK-NOCRTFASTMATH-NOT: crtfastmath.o
+
+// Check that we link in gcrt1.o when compiling with -pg
+// RUN: %clang -pg -target x86_64-unknown-linux -### %s \
+// RUN: --sysroot=%S/Inputs/basic_linux_tree 2>& 1 \
+// RUN: | FileCheck --check-prefix=CHECK-PG %s
+// CHECK-PG: gcrt1.o
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