Obtaining the source code
Download gcc-12.1.0.tar.xz from https://bigsearcher.com/mirrors/gcc/releases/gcc-12.1.0/, and untar it with:
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| tar Jxvf gcc-12.1.0.tar.xz
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Download Prerequisites
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| cd gcc-12.1.0/
./contrib/download_prerequisites
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| hxp@mhd ~/data/gcc-12.1.0 $ ./contrib/download_prerequisites
failed: Connection timed out.
2022-08-18 01:22:32 URL:http://gcc.gnu.org/pub/gcc/infrastructure/gmp-6.2.1.tar.bz2 [2493916/2493916] -> "gmp-6.2.1.tar.bz2" [1]
failed: Connection timed out.
2022-08-18 01:24:43 URL:http://gcc.gnu.org/pub/gcc/infrastructure/mpfr-4.1.0.tar.bz2 [1747243/1747243] -> "mpfr-4.1.0.tar.bz2" [1]
failed: Connection timed out.
2022-08-18 01:26:54 URL:http://gcc.gnu.org/pub/gcc/infrastructure/mpc-1.2.1.tar.gz [838731/838731] -> "mpc-1.2.1.tar.gz" [1]
failed: Connection timed out.
2022-08-18 01:29:06 URL:http://gcc.gnu.org/pub/gcc/infrastructure/isl-0.24.tar.bz2 [2261594/2261594] -> "isl-0.24.tar.bz2" [1]
gmp-6.2.1.tar.bz2: OK
mpfr-4.1.0.tar.bz2: OK
mpc-1.2.1.tar.gz: OK
isl-0.24.tar.bz2: OK
All prerequisites downloaded successfully.
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I install GCC-12 in ~/data/software/gcc-12.1.0, and I do not need to compile languages other than C, C++ and Fortran.
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| ./configure --prefix=${HOME}/data/software/gcc-12.1.0 --enable-languages=c,c++,fortran
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Make
Install
(Optional) Add a module file to load environment variables via Lmod
create gcc-12.1.0.lua
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| prepend_path("PATH", "/home/hxp/data/software/gcc-12.1.0/bin")
prepend_path("LD_LIBRARY_PATH","/home/hxp/data/software/gcc-12.1.0/lib/../lib64")
prepend_path("LD_RUN_PATH","/home/hxp/data/software/gcc-12.1.0/lib/../lib64")
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