54 lines
1.8 KiB
Bash
54 lines
1.8 KiB
Bash
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#!/bin/bash
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# Script to build clang with patch to make executables
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# position-independent on Android by default.
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# Currently unused as the clang binary in the NDK is used
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# instead, wrapped with clang-pie-wrapper.
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set -e -u
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LLVM_VERSION=3.9.1
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rm -Rf $HOME/clang-build
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mkdir -p $HOME/clang-build
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cd $HOME/clang-build
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curl -L --fail --retry 2 -o llvm.tar.xz \
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http://llvm.org/releases/${LLVM_VERSION}/llvm-${LLVM_VERSION}.src.tar.xz
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TERMUX_PKG_SHA256=1fd90354b9cf19232e8f168faf2220e79be555df3aa743242700879e8fd329ee
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curl -L --fail --retry 2 -o clang.tar.xz \
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http://llvm.org/releases/${LLVM_VERSION}/cfe-${LLVM_VERSION}.src.tar.xz
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tar xf llvm.tar.xz
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tar xf clang.tar.xz
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mv llvm-3.9.1.src src
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mv cfe-$LLVM_VERSION.src src/tools/clang
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cd src
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patch -p1 <<EOF
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diff -u -r ../llvm-3.9.0.src/tools/clang/lib/Driver/Tools.cpp ./tools/clang/lib/Driver/Tools.cpp
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--- ../llvm-3.9.0.src/tools/clang/lib/Driver/Tools.cpp 2016-08-13 16:43:56.000000000 -0400
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+++ ./tools/clang/lib/Driver/Tools.cpp 2016-09-04 06:15:59.703422745 -0400
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@@ -9357,9 +9357,12 @@
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const llvm::Triple::ArchType Arch = ToolChain.getArch();
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const bool isAndroid = ToolChain.getTriple().isAndroid();
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const bool IsIAMCU = ToolChain.getTriple().isOSIAMCU();
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+ // Termux modification: Enable pie by default for Android and support the
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+ // nopie flag.
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const bool IsPIE =
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!Args.hasArg(options::OPT_shared) && !Args.hasArg(options::OPT_static) &&
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- (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault());
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+ (Args.hasArg(options::OPT_pie) || ToolChain.isPIEDefault() || isAndroid) &&
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+ !Args.hasArg(options::OPT_nopie);
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const bool HasCRTBeginEndFiles =
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ToolChain.getTriple().hasEnvironment() ||
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(ToolChain.getTriple().getVendor() != llvm::Triple::MipsTechnologies);
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EOF
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mkdir ../build
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cd ../build
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cmake ../src \
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-DCMAKE_BUILD_TYPE=Release
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make clang
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