MasterPassword/MasterPassword/C/build

#!/usr/bin/env bash
#
# TROUBLESHOOTING
#   - See the 'options' array.  Comment/uncomment lines as you see fit.
#   - If you see 'undefined reference to `clock_gettime'', try ./build -lrt instead.
#
# BUGS
#   masterpassword@lyndir.com
#
# AUTHOR
#   Maarten Billemont
#
cd "${BASH_SOURCE%/*}"
set -e

# optional features.
options=(
   #-DDEBUG                     # Turn on debugging verbosity.
)
# available targets.
targets=(
    mpw                         # C CLI version of Master Password.
    mpw-bench                   # C CLI Master Password benchmark utility.
)


### DEPENDENCIES

if ! [[ -e lib/scrypt/scrypt-scryptenc.o ]]; then
    # libscrypt not built.
    pushd lib/scrypt
    if [[ ! -e configure ]]; then
        # libscrypt needs configure.
        if [[ ! -e configure.ac ]]; then
            # libscrypt needs sources.
            source .source
            if hash git-svn 2>/dev/null; then
                echo
                echo "Fetching libscrypt using git-svn..."
                git-svn clone --prefix=origin/ --stdlayout "$svn" .
                printf '%s' "$(git describe --always)" > scrypt-version
            elif hash svn 2>/dev/null; then
                echo
                echo "Fetching libscrypt using svn..."
                svn checkout http://scrypt.googlecode.com/svn/trunk/ .
                printf 'r%s' "$(svn info | awk '/^Revision:/{ print $2 }')" > scrypt-version
            else
                echo >&2 "error: Missing git-svn or svn."
                echo >&2 "error: Please install either or manually check out the sources"
                echo >&2 "error: from: $home"
                echo >&2 "error: into: $PWD"
                exit 1
            fi
        fi

        # Sources available.
        echo
        echo "Generating libscrypt's build scripts..."
        aclocal
        autoheader
        autoconf
        mkdir -p config.aux
        automake --add-missing
    fi
    
    # configure available.
    echo
    echo "Building libscrypt..."
    ./configure
    make

    popd
fi


### MPW
mpw() {
    CFLAGS=(
        # include paths
        -I"lib/scrypt/lib" -I"lib/scrypt/libcperciva"
    )
    LDFLAGS=(
        # library paths
        -L"." -L"lib/scrypt"
        # link libraries
        -l"crypto"
        # scrypt
        "lib/scrypt/scrypt-crypto_aesctr.o"
        "lib/scrypt/scrypt-sha256.o"
        "lib/scrypt/scrypt-crypto_scrypt-nosse.o"
        "lib/scrypt/scrypt-memlimit.o"
        "lib/scrypt/scrypt-scryptenc_cpuperf.o"
        "lib/scrypt/scrypt-scryptenc.o"
    )

    cc "${CFLAGS[@]}"                 "${options[@]}" -c types.c -o types.o "$@"
    cc "${CFLAGS[@]}" "${LDFLAGS[@]}" "${options[@]}" "types.o" mpw.c -o mpw "$@"
    echo "done!  Now run ./install or use ./mpw"
}


### MPW-BENCH
mpw-bench() {
    CFLAGS=(
        # include paths
        -I"lib/scrypt/lib" -I"lib/scrypt/libcperciva"
        -I"lib/bcrypt" 
    )
    LDFLAGS=(
        # library paths
        -L"." -L"lib/scrypt"
        -L"lib/bcrypt"
        # libraries
        -l"crypto"
        # scrypt
        "lib/scrypt/scrypt-crypto_aesctr.o"
        "lib/scrypt/scrypt-sha256.o"
        "lib/scrypt/scrypt-crypto_scrypt-nosse.o"
        "lib/scrypt/scrypt-memlimit.o"
        "lib/scrypt/scrypt-scryptenc_cpuperf.o"
        "lib/scrypt/scrypt-scryptenc.o"
        # bcrypt
        "lib/bcrypt/crypt_blowfish.o"
        "lib/bcrypt/crypt_gensalt.o"
        "lib/bcrypt/wrapper.o"
        "lib/bcrypt/x86.o"
    )

    cc "${CFLAGS[@]}"                 "${options[@]}" -c types.c -o types.o "$@"
    cc "${CFLAGS[@]}" "${LDFLAGS[@]}" "${options[@]}" "types.o" mpw-bench.c -o mpw-bench "$@"
    echo "done!  Now use ./mpw-bench"
}


### TARGETS

cc() {
    if hash llvm-gcc 2>/dev/null; then
        llvm-gcc "$@"
    else
        gcc -std=gnu99 "$@"
    fi
}

for target in "${targets[@]}"; do
    echo
    echo "Building target: $target..."
    "$target" "$@"
done