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date: 2021-01-05 21:44:25
categories: tools
firstPublishDate: 2020-07-31 21:03:20
Here I show how to compile GCC, GDB and clang in debian, I compiled the source code from the latest in master. Before doing the steps below I cloned the git repos for all of them.
git clone git://gcc.gnu.org/git/gcc.git git clone git://sourceware.org/git/binutils-gdb.git git clone https://github.com/llvm/llvm-project.git
The OS is Debian Buster and Debian Stretch, there are less steps in Buster since it is newer than Stretch.
For debugging my programs, I use gdb, the gnu debugger. In general, gdb is available precompiled in the package repositories but sometimes I want to use the latest or enable more features.
Here is how to compile gdb with syntax highlighting in TUI mode in Debian Buster (it requires flex 2.6.4, so it doesn't work in debian stretch unless you install flex 2.6.4 manually)
sudo apt-get install texinfo bison flex libgmp-dev libsource-highlight-dev ./configure make -j4 sudo make install
# in debian stretch # zstd has to be install manually git clone https://github.com/facebook/zstd cd zstd make sudo make install sudo apt-get install libgmp-dev libmpfr-dev libmpc-dev libisl-dev # in debian buster sudo apt-get install libzstd-dev libgmp-dev libmpfr-dev libmpc-dev libisl-dev ./configure --disable-multilib --enable-languages=c,lto make -j4 sudo make install
cd llvm-project mkdir build cd build cmake -DCMAKE_BUILD_TYPE=Release -DLLVM_ENABLE_PROJECTS="clang;clang-tools-extra;lld" -G "Unix Makefiles" ../llvm make -j4 sudo make install
`gcc` can use `lld` for linking with the option `-fuse-ld=lld`. In my tests, `lld` is 5% faster than gold.
hashtags: #gcc #gdb #clang
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