This is guide howto build older GCC using newer one in Fedora. Currently GCC 13 on Fedora 42/41/40 using GCC 15/14. This is needed for running NVIDIA CUDA on Fedora 42/41/40.

Check video version of guide, howto build GCC 13 on Fedora 42/41/40 using GCC 15/14:

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Build and Install GCC 13 on Fedora 42/41/40 using GCC 15/14⌗

I use here sudo command for root user commands, if you don’t have/use sudo, then just use your root account directly.

1. Install Needed Packages to Build GCC 13⌗ 

sudo dnf group install development-tools

sudo dnf install mpfr-devel gmp-devel libmpc-devel \
zlib-devel glibc-devel.i686 glibc-devel isl-devel \
g++ gcc-gnat gcc-gdc libgphobos-static

2. Download GCC 13 and signature file⌗

You can use any GCC mirror from GCC mirror sites.

wget https://ftp.gwdg.de/pub/misc/gcc/releases/gcc-13.4.0/gcc-13.4.0.tar.xz \
https://ftp.gwdg.de/pub/misc/gcc/releases/gcc-13.4.0/gcc-13.4.0.tar.xz.sig

3. Verify downloaded GCC package⌗ 

inttf@fedora:~$ gpg --verify gcc-13.4.0.tar.xz.sig gcc-13.4.0.tar.xz
gpg: Signature made Thu 05 Jun 2025 07:37:38 PM EEST
gpg:                using RSA key 6C35B99309B5FA62
gpg: Can't check signature: No public key
inttf@fedora:~$ gpg --recv-keys 6C35B99309B5FA62
gpg: key 6C35B99309B5FA62: 1 duplicate signature removed
gpg: key 6C35B99309B5FA62: public key "Jakub Jelinek <[email protected]>" imported
gpg: Total number processed: 1
gpg:               imported: 1
inttf@fedora:~$ gpg --verify gcc-13.4.0.tar.xz.sig gcc-13.4.0.tar.xz
gpg: Signature made Thu 05 Jun 2025 07:37:38 PM EEST
gpg:                using RSA key 6C35B99309B5FA62
gpg: Good signature from "Jakub Jelinek <[email protected]>" [unknown]
gpg:                 aka "[jpeg image of size 2839]" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: D3A9 3CAD 751C 2AF4 F8C7  AD51 6C35 B993 09B5 FA62

4. Extract GCC tar.xz⌗ 

tar xvf gcc-13.4.0.tar.xz

5. Make build directory⌗ 

cd gcc-13.4.0
mkdir build
cd build

6. Configure GCC 13⌗ 

../configure --enable-bootstrap \
--enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,lto \
--prefix=/usr --program-suffix=-13.4 --mandir=/usr/share/man \
--infodir=/usr/share/info --enable-shared --enable-threads=posix \
--enable-checking=release --enable-multilib --with-system-zlib \
--enable-__cxa_atexit --disable-libunwind-exceptions \
--enable-gnu-unique-object --enable-linker-build-id \
--with-gcc-major-version-only --enable-libstdcxx-backtrace \
--with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu \
--enable-plugin --enable-initfini-array --with-isl \
--enable-offload-targets=nvptx-none --enable-offload-defaulted \
--enable-gnu-indirect-function --enable-cet --with-tune=generic \
--with-arch_32=i686 --build=x86_64-redhat-linux \
--with-build-config=bootstrap-lto --enable-link-serialization=1 \
--with-default-libstdcxx-abi=new --with-build-config=bootstrap-lto

7. Build GCC 13⌗

Use -j parameter to build using multiple cores

make

## OR ##

make -j6

8. Install GCC 13 on Fedora 42/41/40⌗ 

sudo make install

9. Check GCC 13 Installation⌗ 

$ gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/15/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none:amdgcn-amdhsa
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,m2,cobol,lto --prefix=/usr --mandir=/usr/share/man --infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl=/builddir/build/BUILD/gcc-15.1.1-build/gcc-15.1.1-20250521/obj-x86_64-redhat-linux/isl-install --enable-offload-targets=nvptx-none,amdgcn-amdhsa --enable-offload-defaulted --without-cuda-driver --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux --with-build-config=bootstrap-lto --enable-link-serialization=1
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 15.1.1 20250521 (Red Hat 15.1.1-2) (GCC) 

$ gcc-13.4 -v
Using built-in specs.
COLLECT_GCC=gcc-13.4
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/13/lto-wrapper
OFFLOAD_TARGET_NAMES=nvptx-none
OFFLOAD_TARGET_DEFAULT=1
Target: x86_64-redhat-linux
Configured with: ../configure --enable-bootstrap --enable-languages=c,c++,fortran,objc,obj-c++,ada,go,d,lto --prefix=/usr --program-suffix=-13.4 --mandir=/usr/share/man --infodir=/usr/share/info --enable-shared --enable-threads=posix --enable-checking=release --enable-multilib --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-linker-build-id --with-gcc-major-version-only --enable-libstdcxx-backtrace --with-libstdcxx-zoneinfo=/usr/share/zoneinfo --with-linker-hash-style=gnu --enable-plugin --enable-initfini-array --with-isl --enable-offload-targets=nvptx-none --enable-offload-defaulted --enable-gnu-indirect-function --enable-cet --with-tune=generic --with-arch_32=i686 --build=x86_64-redhat-linux --with-build-config=bootstrap-lto --enable-link-serialization=1 --with-default-libstdcxx-abi=new --with-build-config=bootstrap-lto
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.4.0 (GCC)

10. Uninstall GCC 13⌗ 

cd build/gcc

sudo make uninstall

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