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https://github.com/Relintai/pandemonium_engine.git
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119 lines
3.9 KiB
Diff
119 lines
3.9 KiB
Diff
From b875d7c1360c8ff2077463d7a5a12e1cff1cc683 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?R=C3=A9mi=20Verschelde?= <rverschelde@gmail.com>
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Date: Mon, 12 Jul 2021 13:34:32 +0200
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Subject: [PATCH] compiler-rt: Add option to automate install process
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Also mention that compiler-rt can be needed to build code using
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`__builtin_available()`.
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Fixes #278.
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---
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README.COMPILER-RT.md | 4 ++++
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README.md | 3 +++
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build_compiler_rt.sh | 33 ++++++++++++++++++++++++---------
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3 files changed, 31 insertions(+), 9 deletions(-)
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diff --git a/README.COMPILER-RT.md b/README.COMPILER-RT.md
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index b2754dfcf..dced89686 100644
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--- a/README.COMPILER-RT.md
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+++ b/README.COMPILER-RT.md
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@@ -10,6 +10,10 @@ Ensure you have finished `build.sh`,
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then run: `./build_compiler_rt.sh`.
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+By default, installation steps for compiler-rt will be printed to the terminal
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+to run manually, but you can automate the installation process by defining
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+`ENABLE_COMPILER_RT_INSTALL`.
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+
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You can verify compiler-rt is working by invoking the following command:
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echo "int main(void){return 0;}" | xcrun clang -xc -o/dev/null -v - 2>&1 | \
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diff --git a/README.md b/README.md
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index 60d19f917..f32bf626c 100644
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--- a/README.md
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+++ b/README.md
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@@ -33,6 +33,9 @@ It also includes scripts for optionally building
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* the "compiler-rt" runtime library, and
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* the `llvm-dsymutil` tool required for debugging.
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+Note: The "compiler-rt" library can be needed to link code that uses the
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+`__builtin_available()` runtime version check.
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+
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### WHAT CAN BE BUILT WITH IT? ###
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diff --git a/build_compiler_rt.sh b/build_compiler_rt.sh
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index 8f47262a2..508742cab 100755
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--- a/build_compiler_rt.sh
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+++ b/build_compiler_rt.sh
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@@ -182,22 +182,39 @@ fi
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rm -f $BUILD_DIR/.compiler-rt_build_complete
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+# Installation. Can be either automated (ENABLE_COMPILER_RT_INSTALL) or will
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+# print the commands that the user should run manually.
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+
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+function print_or_run() {
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+ if [ -z "$ENABLE_COMPILER_RT_INSTALL" ]; then
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+ echo "$@"
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+ else
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+ $@
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+ fi
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+}
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+
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echo ""
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echo ""
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echo ""
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-echo "Please run the following commands by hand to install compiler-rt:"
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+if [ -z "$ENABLE_COMPILER_RT_INSTALL" ]; then
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+ echo "Please run the following commands by hand to install compiler-rt:"
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+else
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+ echo "Installing compiler-rt headers and libraries to the following paths:"
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+ echo " ${CLANG_INCLUDE_DIR}"
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+ echo " ${CLANG_DARWIN_LIB_DIR}"
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+fi
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echo ""
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-echo "mkdir -p ${CLANG_INCLUDE_DIR}"
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-echo "mkdir -p ${CLANG_DARWIN_LIB_DIR}"
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-echo "cp -rv $BUILD_DIR/compiler-rt/compiler-rt/include/sanitizer ${CLANG_INCLUDE_DIR}"
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+print_or_run mkdir -p ${CLANG_INCLUDE_DIR}
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+print_or_run mkdir -p ${CLANG_DARWIN_LIB_DIR}
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+print_or_run cp -rv $BUILD_DIR/compiler-rt/compiler-rt/include/sanitizer ${CLANG_INCLUDE_DIR}
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if [ $USE_CMAKE -eq 1 ]; then
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### CMAKE ###
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- echo "cp -v $BUILD_DIR/compiler-rt/compiler-rt/build/lib/darwin/*.a ${CLANG_DARWIN_LIB_DIR}"
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- echo "cp -v $BUILD_DIR/compiler-rt/compiler-rt/build/lib/darwin/*.dylib ${CLANG_DARWIN_LIB_DIR}"
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+ print_or_run cp -v $BUILD_DIR/compiler-rt/compiler-rt/build/lib/darwin/*.a ${CLANG_DARWIN_LIB_DIR}
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+ print_or_run cp -v $BUILD_DIR/compiler-rt/compiler-rt/build/lib/darwin/*.dylib ${CLANG_DARWIN_LIB_DIR}
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### CMAKE END ###
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@@ -209,7 +226,7 @@ else
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function print_install_command() {
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if [ -f "$1" ]; then
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- echo "cp $PWD/compiler-rt/$1 ${CLANG_DARWIN_LIB_DIR}/$2"
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+ print_or_run cp $PWD/compiler-rt/$1 ${CLANG_DARWIN_LIB_DIR}/$2
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fi
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}
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@@ -219,14 +236,12 @@ else
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print_install_command "cc_kext/libcompiler_rt.a" "libclang_rt.cc_kext.a"
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print_install_command "profile_osx/libcompiler_rt.a" "libclang_rt.profile_osx.a"
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-
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print_install_command "ubsan_osx_dynamic/libcompiler_rt.dylib" \
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"libclang_rt.ubsan_osx_dynamic.dylib"
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print_install_command "asan_osx_dynamic/libcompiler_rt.dylib" \
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"libclang_rt.asan_osx_dynamic.dylib"
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-
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popd &>/dev/null
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### MAKE END ###
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