configure.sh

#!/bin/bash

# QCO Netutils - Build Configuration Script
# Copyright (C) 2024 AnmiTaliDev
# License: Apache 2.0

set -e

# Colors
RED='\033[31m'
GREEN='\033[32m'
YELLOW='\033[33m'
BLUE='\033[34m'
CYAN='\033[36m'
BOLD='\033[1m'
DIM='\033[2m'
RESET='\033[0m'

# Project info
PROJECT_NAME="QCO Netutils"
VERSION="2.0.0"
AUTHOR="AnmiTaliDev"

# Default settings
PREFIX="/usr/local"
BINDIR=""
OPTIMIZE="-O2"
DEBUG=""
STATIC=""
THREADS=""
COMPILER="g++"

# Utilities to build
UTILITIES=("ping" "findsub" "dom4you")

print_header() {
    echo -e "${BOLD}${CYAN}$PROJECT_NAME${RESET} ${DIM}v$VERSION${RESET}"
    echo -e "${DIM}Build configuration script${RESET}"
    echo -e "${DIM}Author: $AUTHOR${RESET}"
    echo
}

print_help() {
    echo -e "${BOLD}Usage:${RESET} $0 [OPTIONS]"
    echo
    echo -e "${BOLD}Options:${RESET}"
    echo "  --prefix=DIR         installation prefix (default: /usr/local)"
    echo "  --bindir=DIR         binary installation directory"
    echo "  --compiler=COMPILER  compiler to use (default: g++)"
    echo "  --optimize=LEVEL     optimization level: -O0, -O1, -O2, -O3 (default: -O2)"
    echo "  --debug              enable debug symbols"
    echo "  --static             build static binaries"
    echo "  --threads=N          use N threads for compilation"
    echo "  --help               show this help"
    echo
    echo -e "${BOLD}Examples:${RESET}"
    echo "  $0                                    # default build"
    echo "  $0 --prefix=/opt/qco"
    echo "  $0 --optimize=-O3 --static"
    echo "  $0 --debug --threads=4"
}

check_compiler() {
    echo -n "Checking for $COMPILER... "
    if command -v "$COMPILER" >/dev/null 2>&1; then
        local version=$($COMPILER --version | head -n1)
        echo -e "${GREEN}found${RESET} ${DIM}($version)${RESET}"
        return 0
    else
        echo -e "${RED}not found${RESET}"
        return 1
    fi
}

check_dependencies() {
    echo -e "${BOLD}Checking dependencies:${RESET}"
    
    local missing=0
    
    if ! check_compiler; then
        echo -e "${RED}Error: $COMPILER not found${RESET}"
        missing=1
    fi
    
    echo -n "Checking for make... "
    if command -v make >/dev/null 2>&1; then
        echo -e "${GREEN}found${RESET}"
    else
        echo -e "${RED}not found${RESET}"
        missing=1
    fi
    
    echo -n "Checking for pthread support... "
    if echo '#include <pthread.h>' | $COMPILER -x c++ -c - -o /dev/null 2>/dev/null; then
        echo -e "${GREEN}found${RESET}"
    else
        echo -e "${RED}not found${RESET}"
        missing=1
    fi
    
    if [ $missing -eq 1 ]; then
        echo
        echo -e "${RED}Missing dependencies. Please install:${RESET}"
        echo "  - g++ or clang++"
        echo "  - make"
        echo "  - pthread development libraries"
        echo
        echo -e "${DIM}On Ubuntu/Debian:${RESET} sudo apt install build-essential"
        echo -e "${DIM}On CentOS/RHEL:${RESET}   sudo yum install gcc-c++ make"
        echo -e "${DIM}On Arch Linux:${RESET}    sudo pacman -S base-devel"
        exit 1
    fi
    
    echo
}

check_sources() {
    echo -e "${BOLD}Checking source files:${RESET}"
    
    local missing=0
    for util in "${UTILITIES[@]}"; do
        local srcfile="src/$util/main.cpp"
        echo -n "Checking $srcfile... "
        if [ -f "$srcfile" ]; then
            echo -e "${GREEN}found${RESET}"
        else
            echo -e "${RED}missing${RESET}"
            missing=1
        fi
    done
    
    if [ $missing -eq 1 ]; then
        echo
        echo -e "${RED}Missing source files. Ensure project structure:${RESET}"
        echo "  src/ping/main.cpp"
        echo "  src/findsub/main.cpp"  
        echo "  src/dom4you/main.cpp"
        exit 1
    fi
    
    echo
}

generate_makefile() {
    echo -e "${BOLD}Generating Makefile...${RESET}"
    
    local cxxflags="$OPTIMIZE"
    local ldflags=""
    
    if [ -n "$DEBUG" ]; then
        cxxflags="$cxxflags -g -DDEBUG"
    fi
    
    if [ -n "$STATIC" ]; then
        ldflags="$ldflags -static"
    fi
    
    if [ -z "$BINDIR" ]; then
        BINDIR="$PREFIX/bin"
    fi
    
    cat > Makefile << EOF
# QCO Netutils Makefile
# Generated by configure script

CXX = $COMPILER
CXXFLAGS = $cxxflags -std=c++11 -Wall -Wextra
LDFLAGS = $ldflags -pthread
PREFIX = $PREFIX
BINDIR = $BINDIR

# Source directories
PING_SRC = src/ping/main.cpp
FINDSUB_SRC = src/findsub/main.cpp
DOM4YOU_SRC = src/dom4you/main.cpp

# Targets
TARGETS = ping findsub dom4you

.PHONY: all clean install uninstall help

all: \$(TARGETS)

ping: \$(PING_SRC)
	@echo "Building ping..."
	\$(CXX) \$(CXXFLAGS) -o ping \$(PING_SRC) \$(LDFLAGS)

findsub: \$(FINDSUB_SRC)
	@echo "Building findsub..."
	\$(CXX) \$(CXXFLAGS) -o findsub \$(FINDSUB_SRC) \$(LDFLAGS)

dom4you: \$(DOM4YOU_SRC)
	@echo "Building dom4you..."
	\$(CXX) \$(CXXFLAGS) -o dom4you \$(DOM4YOU_SRC) \$(LDFLAGS)

clean:
	@echo "Cleaning build files..."
	rm -f \$(TARGETS)

install: all
	@echo "Installing to \$(BINDIR)..."
	install -d \$(BINDIR)
	install -m 755 ping \$(BINDIR)/
	install -m 755 findsub \$(BINDIR)/
	install -m 755 dom4you \$(BINDIR)/
	@echo "Installation completed!"

uninstall:
	@echo "Removing from \$(BINDIR)..."
	rm -f \$(BINDIR)/ping
	rm -f \$(BINDIR)/findsub
	rm -f \$(BINDIR)/dom4you
	@echo "Uninstallation completed!"

help:
	@echo "QCO Netutils Makefile"
	@echo ""
	@echo "Available targets:"
	@echo "  all       - build all utilities"
	@echo "  ping      - build ping utility"
	@echo "  findsub   - build findsub utility"
	@echo "  dom4you   - build dom4you utility"
	@echo "  clean     - remove build files"
	@echo "  install   - install to \$(BINDIR)"
	@echo "  uninstall - remove from \$(BINDIR)"
	@echo "  help      - show this help"

EOF
    
    echo -e "${GREEN}Makefile generated${RESET}"
    echo
}

print_summary() {
    echo -e "${BOLD}Configuration Summary:${RESET}"
    echo -e "${DIM}Project:${RESET}      $PROJECT_NAME v$VERSION"
    echo -e "${DIM}Compiler:${RESET}     $COMPILER"
    echo -e "${DIM}Optimization:${RESET} $OPTIMIZE"
    echo -e "${DIM}Debug:${RESET}        $([ -n "$DEBUG" ] && echo "enabled" || echo "disabled")"
    echo -e "${DIM}Static:${RESET}       $([ -n "$STATIC" ] && echo "enabled" || echo "disabled")"
    echo -e "${DIM}Install prefix:${RESET} $PREFIX"
    echo -e "${DIM}Binary directory:${RESET} $BINDIR"
    echo -e "${DIM}Utilities:${RESET}    ${UTILITIES[*]}"
    echo
    echo -e "${BOLD}Next steps:${RESET}"
    echo -e "  ${CYAN}make${RESET}         # build all utilities"
    echo -e "  ${CYAN}make install${RESET} # install system-wide"
    echo -e "  ${CYAN}make help${RESET}    # show build options"
    echo
}

# Parse command line arguments
while [[ $# -gt 0 ]]; do
    case $1 in
        --prefix=*)
            PREFIX="${1#*=}"
            shift
            ;;
        --bindir=*)
            BINDIR="${1#*=}"
            shift
            ;;
        --compiler=*)
            COMPILER="${1#*=}"
            shift
            ;;
        --optimize=*)
            OPTIMIZE="${1#*=}"
            shift
            ;;
        --debug)
            DEBUG="yes"
            shift
            ;;
        --static)
            STATIC="yes"
            shift
            ;;
        --threads=*)
            THREADS="${1#*=}"
            shift
            ;;
        --help)
            print_header
            print_help
            exit 0
            ;;
        *)
            echo -e "${RED}Unknown option: $1${RESET}"
            echo "Use --help for usage information"
            exit 1
            ;;
    esac
done

# Main execution
print_header
check_dependencies
check_sources
generate_makefile
print_summary