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authorTravis Tilley <ttilley@gmail.com>2015-05-21 12:41:30 -0400
committerNatanael Copa <ncopa@alpinelinux.org>2015-05-22 13:09:01 +0000
commit81d1b43c5af39e14cb91232c4afcb7839b96f5a1 (patch)
tree01d279a6a2c6859074d4b3045f851c2e36de13db /main/llvm/clang-0008-alpine-PIE-by-default.patch
parent386a214b3a1b7586e4d37b94ae84d6830e159f52 (diff)
downloadaports-81d1b43c5af39e14cb91232c4afcb7839b96f5a1.tar.bz2
aports-81d1b43c5af39e14cb91232c4afcb7839b96f5a1.tar.xz
main/llvm: update patchset, switch to cmake, perform two-stage build with a minimal bootstrap compile of clang, add clang extras, update package list to split out clang documentation
Diffstat (limited to 'main/llvm/clang-0008-alpine-PIE-by-default.patch')
-rw-r--r--main/llvm/clang-0008-alpine-PIE-by-default.patch67
1 files changed, 67 insertions, 0 deletions
diff --git a/main/llvm/clang-0008-alpine-PIE-by-default.patch b/main/llvm/clang-0008-alpine-PIE-by-default.patch
new file mode 100644
index 0000000000..04c745c09e
--- /dev/null
+++ b/main/llvm/clang-0008-alpine-PIE-by-default.patch
@@ -0,0 +1,67 @@
+From fec8bdd3fc2d45dc1da8e6b94c1b264a6431685e Mon Sep 17 00:00:00 2001
+From: Travis Tilley <ttilley@gmail.com>
+Date: Sat, 9 May 2015 23:02:45 -0400
+Subject: [PATCH 8/8] enable PIE by default behavior on alpine linux add -nopie
+ flag for disabling this behavior
+
+---
+ lib/Driver/ToolChains.cpp | 3 +++
+ lib/Driver/Tools.cpp | 4 +++-
+ test/Driver/pic.c | 12 ++++++++++++
+ 3 files changed, 18 insertions(+), 1 deletion(-)
+
+diff --git a/lib/Driver/ToolChains.cpp b/lib/Driver/ToolChains.cpp
+index 44e929f..3f25a36 100644
+--- a/lib/Driver/ToolChains.cpp
++++ b/lib/Driver/ToolChains.cpp
+@@ -3397,6 +3397,9 @@ void Linux::AddClangCXXStdlibIncludeArgs(const ArgList &DriverArgs,
+ }
+
+ bool Linux::isPIEDefault() const {
++ StringRef VendorName = Linux::getTriple().getVendorName();
++ if (VendorName.compare("alpine") == 0)
++ return true;
+ return getSanitizerArgs().requiresPIE();
+ }
+
+diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
+index 3e71522..9a0fc84 100644
+--- a/lib/Driver/Tools.cpp
++++ b/lib/Driver/Tools.cpp
+@@ -7462,7 +7462,9 @@ void gnutools::Link::ConstructJob(Compilation &C, const JobAction &JA,
+ if (!D.SysRoot.empty())
+ CmdArgs.push_back(Args.MakeArgString("--sysroot=" + D.SysRoot));
+
+- if (IsPIE)
++ if (Args.hasArg(options::OPT_nopie))
++ CmdArgs.push_back("-nopie");
++ else if (IsPIE)
+ CmdArgs.push_back("-pie");
+
+ if (Args.hasArg(options::OPT_rdynamic))
+diff --git a/test/Driver/pic.c b/test/Driver/pic.c
+index a3d989c..b1a55ae 100644
+--- a/test/Driver/pic.c
++++ b/test/Driver/pic.c
+@@ -225,6 +225,18 @@
+ // RUN: %clang %s -target i386-pc-openbsd -nopie -### 2>&1 \
+ // RUN: | FileCheck %s --check-prefix=CHECK-NOPIE-LD
+ //
++// On Alpine Linux, we want similar PIE-by-default behavior
++// RUN: %clang -c %s -target x86_64-alpine-linux-musl -### 2>&1 \
++// RUN: | FileCheck %s --check-prefix=CHECK-PIE2
++// RUN: %clang -c %s -target i686-alpine-linux-musl -### 2>&1 \
++// RUN: | FileCheck %s --check-prefix=CHECK-PIE2
++// RUN: %clang -c %s -target armv6-alpine-linux-musleabihf -### 2>&1 \
++// RUN: | FileCheck %s --check-prefix=CHECK-PIE2
++// RUN: %clang -c %s -target armv7-alpine-linux-musleabihf -### 2>&1 \
++// RUN: | FileCheck %s --check-prefix=CHECK-PIE2
++// RUN: %clang %s -target x86_64-alpine-linux-musl -nopie -### 2>&1 \
++// RUN: | FileCheck %s --check-prefix=CHECK-NOPIE-LD
++//
+ // On Android PIC is enabled by default
+ // RUN: %clang -c %s -target i686-linux-android -### 2>&1 \
+ // RUN: | FileCheck %s --check-prefix=CHECK-PIC2
+--
+2.1.4
+