# Contains a bunch of scrapped build procedures, for different purposes,
#   so the research may be reused at a later date...

# tar (1.13), not in guix:
# Builds and works correctly, but has the same bug with extracting gcc-4.6
#   as tar-1.12 does, and that one doesn't require patches...
rm -rf tar-1.13
gzip -cd tar-1.13.tar.gz | tar x
( cd tar-1.13
    sed -e 's/if (case_sensitive$/if (1/' \
        lib/argmatch.c > /tmp/sed; mv /tmp/sed lib/argmatch.c

    CC=tcc ./configure --host=i686-pc-linux-gnu --disable-nls

    echo '#define __MES_MODE_T' >> config.h
    echo '#define S_ISLNK(Mode) (((Mode) & S_IFMT) == S_IFLNK)' >> config.h

    make AR='tcc -ar'
    install -Dm755 src/tar /bin/tar
)
rm -rf tar-1.13

# tar (1.14), not in guix:
# If this can be got to work, the build of tar-1.22 with gcc2 can be dropped.
# Builds, but extracting anything fails...
rm -rf tar-1.14
bzip2 -cd tar-1.14.tar.bz2 | tar x
( cd tar-1.14
    # asctime doesn't exist in mes-libc and isn't used anyway...
    sed -e 's/asctime (tm)/NULL/' \
        lib/time_r.c > /tmp/sed; mv /tmp/sed lib/time_r.c

    # mode_t and friends are in sys/stat.h...
    sed -e 's@<sys/types.h>@<sys/stat.h>@' \
        lib/modechange.h > /tmp/sed; mv /tmp/sed lib/modechange.h

    # rewrite src/xheader.c:xheader_set_option to not use strtok:
    #  char *token = string;
    #  for (;;)
    #    {
    #      char *t = strchr (token, ',');
    #      if (t) *t = '\0';
    #
    #      char *p = strchr (token, '=');
    #      if (!p)
    #        xheader_set_single_keyword (token);
    #      else
    #        xheader_set_keyword_equal (token, p);
    #
    #      if (!t) break;
    #      token = t + 1;
    #    }

    CC=tcc LD=tcc ./configure --disable-nls

    # Add linux kernel defines that are missing from mes-libc
    echo '#define MB_LEN_MAX 16' >> config.h
    echo '#define CLOCK_REALTIME 0' >> config.h
    echo '#define EPERM 1' >> config.h

    make AR='tcc -ar'
    install -Dm755 src/tar /bin/tar
)
rm -rf tar-1.14

# Options for a "minimal" bash-2.05b build
# Left out because even though it holds up just fine, no patches can be avoided
#   with the minimal config.
# It might however be interesting to use a minimal config as a bootstrap bin?
    CC='tcc -D_POSIX_VERSION=1' AR='tcc -ar' ./configure \
        --build=i686-pc-linux-gnu \
        --without-bash-malloc \
        --enable-minimal-config \
        --enable-cond-command \
        --enable-dparen-arithmetic \
        --enable-arith-for-command \
        --enable-alias \
        --disable-nls \
        bash_cv_getcwd_calls_popen=no \
        bash_cv_signal_vintage=posix \
        ac_cv_func_working_mktime=yes

# gcc-4.6.4 build for build_binaries.sh
        mkdir build; cd build  # Build breaks without a build directory
        CFLAGS='-O2 -w' CXXFLAGS='-O2 -w' MAKEINFO=true ../configure \
            --target=i686-bootstrap-linux-gnu \
            --prefix="$prefix" \
            --with-sysroot="$prefix" \
            --with-local-prefix=/ \
            --with-newlib \
            --without-headers \
            --disable-shared \
            --disable-decimal-float \
            --disable-threads \
            --disable-nls \
            --enable-languages=c
        make all-gcc all-target-libgcc
        make install-gcc install-target-libgcc