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Consolidate GCC 10 installation steps into single script format

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Shang Chieh Tseng
2025-10-28 15:28:11 +08:00
parent 85d98064d1
commit 29706d14d7
1 changed files with 36 additions and 55 deletions
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docs/manual-build.md
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@@ -444,74 +444,55 @@ EOF
#### Installation Steps
1. **Update and Install Prerequisites:**
```bash
dnf -y install wget unzip lbzip2
dnf -y groupinstall "Development Tools"
```
**Complete installation script:**
```bash
# Install prerequisites
dnf -y install wget unzip lbzip2
dnf -y groupinstall "Development Tools"
2. **Download GCC 10 Source Code:**
```bash
cd /usr/local/src
wget https://github.com/gcc-mirror/gcc/archive/refs/heads/releases/gcc-10.zip
```
# Download and extract GCC 10 source
cd /usr/local/src
wget https://github.com/gcc-mirror/gcc/archive/refs/heads/releases/gcc-10.zip
unzip gcc-10.zip
cd gcc-releases-gcc-10
3. **Extract Source Code:**
```bash
unzip gcc-10.zip
cd gcc-releases-gcc-10
```
# Download GCC prerequisites (GMP, MPFR, MPC, ISL)
contrib/download_prerequisites
4. **Download Prerequisites:**
```bash
contrib/download_prerequisites
```
# Create build directory and configure
mkdir /usr/local/gcc-10
cd /usr/local/gcc-10
/usr/local/src/gcc-releases-gcc-10/configure --disable-multilib
5. **Create Installation Directory:**
```bash
mkdir /usr/local/gcc-10
```
# Compile and install (1-2 hours depending on CPU)
make -j $(nproc)
make install
```
6. **Configure GCC Build:**
```bash
cd /usr/local/gcc-10
/usr/local/src/gcc-releases-gcc-10/configure --disable-multilib
```
> **Note**: The compilation step `make -j $(nproc)` will take 1-2 hours depending on your CPU performance. The `$(nproc)` command uses all available CPU cores to speed up compilation.
7. **Compile GCC:**
```bash
make -j $(nproc)
```
> **Estimated time**: 1-2 hours depending on CPU performance
8. **Install GCC:**
```bash
make install
```
9. **Post-Install Configuration:**
```bash
# Create environment script
cat > /etc/profile.d/gcc-10.sh << 'EOF'
**Post-Install Configuration:**
```bash
# Create environment script for library paths
cat > /etc/profile.d/gcc-10.sh << 'EOF'
#!/bin/sh
# gcc-10.sh - GCC 10 library path configuration
export LD_LIBRARY_PATH=/usr/local/lib64${LD_LIBRARY_PATH:+:${LD_LIBRARY_PATH}}
EOF
# Configure dynamic linker
echo "/usr/local/lib64" > /etc/ld.so.conf.d/gcc-10.conf
ldconfig
```
# Configure dynamic linker
echo "/usr/local/lib64" > /etc/ld.so.conf.d/gcc-10.conf
ldconfig
```
10. **Verify Installation:**
```bash
/usr/local/bin/gcc --version
# Should output: gcc (GCC) 10.x.x
**Verify Installation:**
```bash
/usr/local/bin/gcc --version
# Should output: gcc (GCC) 10.x.x
/usr/local/bin/g++ --version
# Should output: g++ (GCC) 10.x.x
```
/usr/local/bin/g++ --version
# Should output: g++ (GCC) 10.x.x
```
---