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AC_INIT(eselect, 1.4.21, eselect@gentoo.org, eselect)
AC_PREREQ(2.59)
AC_CONFIG_SRCDIR(bin/eselect.in)
AC_CONFIG_AUX_DIR(config)
AM_INIT_AUTOMAKE
test x$prefix = xNONE && prefix="$ac_default_prefix"
test x$datadir = xNONE && datadir="$ac_default_datadir"
test x$sysconfdir = xNONE && sysconfdir="$ac_default_sysconfdir"
# BASH may already be set in the shell, if the admin then changes the
# the /bin/sh symlink to a non-bash shell, all hell will break lose.
# thanks to James Rowe for the heads up.
unset BASH
AC_PATH_PROGS(BASH, bash)
if test x$BASH = x; then
AC_MSG_ERROR([bash is required])
fi
# AC_PROG_SED doesn't work here, because on Gentoo FreeBSD systems it
# is confused by a wrapper script that is in the PATH at build time.
AC_CHECK_PROGS(SED, [gsed sed])
if test x$SED = x; then
AC_MSG_ERROR([sed is required])
fi
AC_MSG_CHECKING([whether $SED is GNU sed])
if $SED 'v4.0' </dev/null >/dev/null 2>&1; then
AC_MSG_RESULT(yes)
else
AC_MSG_RESULT(no)
AC_MSG_ERROR([GNU sed is required])
fi
AC_PATH_PROG(ENV_UPDATE, env-update, /usr/sbin/env-update,
[$PATH:$prefix/sbin:/usr/sbin])
CANONICALISE=""
# realpath is included with Coreutils since version 8.15 (2012)
AC_CHECK_PROGS(REALPATH, [grealpath realpath])
if test x$REALPATH != x; then
CANONICALISE="$REALPATH"
else
AC_CHECK_PROGS(READLINK, [greadlink readlink])
if test x$READLINK != x; then
AC_MSG_CHECKING([whether $READLINK supports -f])
if $READLINK -f . >/dev/null 2>&1; then
AC_MSG_RESULT(yes)
CANONICALISE="$READLINK -f"
else
AC_MSG_RESULT(no)
fi
fi
fi
if test "x$CANONICALISE" = x; then
AC_MSG_ERROR([Either realpath or GNU readlink is required])
fi
AC_SUBST(CANONICALISE)
# Gentoo uses rst2html.py but most other
# distros install it w/o the .py extension
AC_CHECK_PROGS(RST2HTML, [rst2html rst2html.py])
# Support for Gentoo Prefix
AC_MSG_CHECKING([if target installation is in an offset prefix])
EPREFIX=""
AS_CASE([$prefix],
[/usr], [],
[*/usr], [EPREFIX=`echo "$prefix" | sed 's:/usr$::'`])
AC_MSG_RESULT([${EPREFIX:-nope}])
AC_SUBST(EPREFIX)
# Include extra version information when building from git
AC_MSG_CHECKING([whether building from git])
EXTRAVERSION=""
eselect_git_dir=${GIT_DIR:-${srcdir}/.git}
if GIT_DIR="${eselect_git_dir}" git rev-parse >/dev/null 2>&1; then
COMMIT=`GIT_DIR="${eselect_git_dir}" git describe --long --always HEAD`
if test x$COMMIT != x; then
EXTRAVERSION=", git commit $COMMIT"
fi
AC_MSG_RESULT([yes${COMMIT:+, at commit $COMMIT}])
else
AC_MSG_RESULT(no)
fi
AC_SUBST(EXTRAVERSION)
AC_CONFIG_FILES(Makefile
doc/Makefile
man/Makefile
misc/Makefile
bin/Makefile
libs/Makefile
modules/Makefile)
AC_OUTPUT
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