autogen.sh

#!/bin/sh -e

AUTORECONF=${AUTORECONF:-autoreconf}
ACLOCAL=${ACLOCAL:-aclocal}
AUTOCONF=${AUTOCONF:-autoconf}
AUTOHEADER=${AUTOHEADER:-autoheader}
AUTOMAKE=${AUTOMAKE:-automake}


# Check we have all tools installed
check_command() {
    command -v "${1}" > /dev/null 2>&1 || {
        >&2 echo "autogen.sh: could not find \`$1'. \`$1' is required to run autogen.sh."
        exit 1
    }
}
check_command "$AUTORECONF"
check_command "$ACLOCAL"
check_command "$AUTOCONF"
check_command "$AUTOHEADER"
check_command "$AUTOMAKE"

# copied from lldpd project
# https://github.com/vincentbernat/lldpd/
# Absence of pkg-config or misconfiguration can make some odd error
# messages, we check if it is installed correctly. See:
#  https://blogs.oracle.com/mandy/entry/autoconf_weirdness
#
# We cannot just check for pkg-config command, we need to check for
# PKG_* macros. The pkg-config command can be defined in ./configure,
# we cannot tell anything when not present.
check_pkg_config() {
    grep -q '^AC_DEFUN.*PKG_CHECK_MODULES' aclocal.m4 || {
        cat <<EOF >&2
autogen.sh: could not find PKG_CHECK_MODULES macro.
  Either pkg-config is not installed on your system or
  \`pkg.m4' is missing or not found by aclocal.
  If \`pkg.m4' is installed at an unusual location, re-run
  \`autogen.sh' by setting \`ACLOCAL_FLAGS':
    ACLOCAL_FLAGS="-I <prefix>/share/aclocal" ./autogen.sh
EOF
        exit 1
    }
}

autoreconf -fi || {
    echo "autogen.sh: autoreconf has failed ($?), let's do it manually"
    for dir in $PWD *; do
        [ -d "$dir" ] || continue
        [ -f "$dir"/configure.ac ] || [ -f "$dir"/configure.in ] || continue
        echo "autogen.sh: configure `basename $dir`"
        (cd "$dir" && ${ACLOCAL} -I m4 ${ACLOCAL_FLAGS})
        (cd "$dir" && check_pkg_config)
        (cd "$dir" && ${ACLOCAL} -I m4 ${ACLOCAL_FLAGS})
        (cd "$dir" && ${AUTOCONF} --force)
        (cd "$dir" && ${AUTOMAKE} --add-missing --copy --force-missing)
    done
}

echo "autogen.sh: for the next step: run ./configure"

exit 0