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c [2025/02/20 12:47] – [tsan] ninec [2025/08/04 13:05] (current) – nine
Line 39: Line 39:
 or: or:
   sudo sysctl vm.mmap_rnd_bits=30   # 30: partly, 28 totally   sudo sysctl vm.mmap_rnd_bits=30   # 30: partly, 28 totally
 +
 +==== alternatives ====
 +
 +declare alternatives:
 +<code>
 +sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-12 20
 +sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-12 20
 +sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-12 20
 +sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-13 30
 +sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-13 30
 +sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-13 30
 +</code>
 +
 +select the right alternatives:
 +<code>
 +sudo update-alternatives --config gcc
 +sudo update-alternatives --config g++
 +sudo update-alternatives --config gcov
 +</code>
c.1740055649.txt.gz · Last modified: 2025/02/20 12:47 by nine