update how_to_compile.txt

how_to_compile.txt

-# why add "-w", since afl-llvm-rt.o.c.o is not used during compiling period
-# (used when link period), it will generate some warnings, which will cause some
-# test failed when cmake or configure
-
-# for Makefile build system (take gzip project for example)
-CC="/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/clang -w -flto /home/phoon/workspace/fuzz/AFL/visual_mode/build/CMakeFiles/VisFuzzDriver.dir/driver/afl-llvm-rt.o.c.o" RANLIB=/bin/true AR=/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/llvm-ar NM=/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/llvm-nm ./configure
-make -j20 V=1
-
-# for CMake build project (take CMake project for example)
-cmake -DCMAKE_C_COMPILER=/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/clang -DCMAKE_CXX_COMPILER=/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/clang++ -DCMAKE_C_FLAGS="-w -flto /home/phoon/workspace/fuzz/AFL/visual_mode/build/CMakeFiles/VisFuzzDriver.dir/driver/afl-llvm-rt.o.c.o" -DCMAKE_CXX_FLAGS="-w -flto /home/phoon/workspace/fuzz/AFL/visual_mode/build/CMakeFiles/VisFuzzDriver.dir/driver/afl-llvm-rt.o.c.o" -DCMAKE_RANLIB=/bin/true -DCMAKE_AR=/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/llvm-ar -DCMAKE_NM=/home/phoon/workspace/fuzz/llvm-10-lto-pass/llvm-build-release-install/bin/llvm-nm .
-make -j20 VERBOSE=1
+sudo apt install gcc-9-plugin-dev
+if [ $1 == 'debug' ]
+then 
+	cd $2
+	if [ -d "llvm-build-debug" ]
+	then
+		rm -rf llvm-build-debug
+	fi
+	if [ -d "llvm-build-debug-install" ]
+	then
+		rm -rf llvm-build-debug-install
+	fi
+	mkdir llvm-build-debug
+	mkdir llvm-build-debug-install
+	cd llvm-build-debug
+	echo "cmake -DLLVM_ENABLE_RTTI=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=Debug -DLLVM_ENABLE_ASSERTIONS=OFF -DLLVM_USE_SPLIT_DWARF=ON -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_TARGETS_TO_BUILD=host -DLLVM_INCLUDE_EXAMPLES=OFF -DLLVM_INCLUDE_TESTS=OFF -DLLVM_INCLUDE_DOCS=OFF -DCMAKE_CXX_FLAGS=\"-std=c++14 -g\" -DLLVM_ENABLE_PROJECTS=\"clang;polly;compiler-rt;lld\" -DCMAKE_INSTALL_PREFIX=$2/llvm-build-debug-install -DLLVM_BINUTILS_INCDIR=/usr/lib/gcc/x86_64-linux-gnu/9/plugin/include $2/llvm"
+	cmake -DLLVM_INSTALL_UTILS=ON -DLLVM_ENABLE_RTTI=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=Debug -DLLVM_ENABLE_ASSERTIONS=OFF -DLLVM_USE_SPLIT_DWARF=ON -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_TARGETS_TO_BUILD=host -DLLVM_INCLUDE_EXAMPLES=OFF -DLLVM_INCLUDE_TESTS=OFF -DLLVM_INCLUDE_DOCS=OFF -DCMAKE_CXX_FLAGS="-std=c++11 -g" -DLLVM_ENABLE_PROJECTS="clang;polly;compiler-rt;lld" -DCMAKE_INSTALL_PREFIX=$2/llvm-build-debug-install -DLLVM_BINUTILS_INCDIR=/usr/lib/gcc/x86_64-linux-gnu/9/plugin/include $2/llvm
+elif [ $1 == 'release' ]
+then
+	cd $2
+	if [ -d "llvm-build-release" ]
+	then
+		rm -rf llvm-build-release
+	fi
+	if [ -d "llvm-build-release-install" ]
+	then
+		rm -rf llvm-build-release-install
+	fi
+	mkdir llvm-build-release
+	mkdir llvm-build-release-install
+	cd llvm-build-release
+	echo "cmake -DLLVM_ENABLE_RTTI=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_DUMP=ON -DLLVM_ENABLE_ASSERTIONS=OFF -DLLVM_USE_SPLIT_DWARF=ON -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_TARGETS_TO_BUILD=host -DLLVM_INCLUDE_EXAMPLES=OFF -DLLVM_INCLUDE_TESTS=OFF -DLLVM_INCLUDE_DOCS=OFF -DCMAKE_CXX_FLAGS=\"-std=c++14 -O3\" -DLLVM_ENABLE_PROJECTS=\"clang;polly;compiler-rt;lld\" -DCMAKE_INSTALL_PREFIX=$2/llvm-build-release-install -DLLVM_BINUTILS_INCDIR=/usr/lib/gcc/x86_64-linux-gnu/9/plugin/include $2/llvm"
+	cmake -DLLVM_INSTALL_UTILS=ON -DLLVM_ENABLE_RTTI=ON -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DBUILD_SHARED_LIBS=ON -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_DUMP=ON -DLLVM_ENABLE_ASSERTIONS=OFF -DLLVM_USE_SPLIT_DWARF=ON -DLLVM_OPTIMIZED_TABLEGEN=ON -DLLVM_TARGETS_TO_BUILD=host -DLLVM_INCLUDE_EXAMPLES=OFF -DLLVM_INCLUDE_TESTS=OFF -DLLVM_INCLUDE_DOCS=OFF -DCMAKE_CXX_FLAGS="-std=c++11 -O3" -DLLVM_ENABLE_PROJECTS="clang;polly;compiler-rt;lld" -DCMAKE_INSTALL_PREFIX=$2/llvm-build-release-install -DLLVM_BINUTILS_INCDIR=/usr/lib/gcc/x86_64-linux-gnu/9/plugin/include $2/llvm
+fi