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|
dnl Process this file with autoconf to produce a configure script.
m4_pattern_forbid([^MAN_])
# Initialise and check we're in the correct directory.
AC_INIT([man-db], [2.9.2], [cjwatson@debian.org])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([1.11 -Wall -Wno-override -Werror foreign dist-xz no-dist-gzip parallel-tests])
AM_MAINTAINER_MODE
AM_SILENT_RULES([yes])
AC_PREREQ([2.63])
AC_CONFIG_SRCDIR([src/man.c])
AC_GNU_SOURCE
MAN_TAR_SORT_NAME
AC_CONFIG_HEADER([config.h])
AC_CANONICAL_HOST
# Define below date and version information to be put into man pages etc.
date=2020-06-01
AC_SUBST([date])dnl
roff_version=`echo AC_PACKAGE_VERSION | sed 's/-/\\-/g'`
AC_SUBST([roff_version])dnl
# Explicitly check for pkg-config early on, since otherwise the conditional
# calls in MAN_ARG_SYSTEMDTMPFILESDIR and MAN_ARG_SYSTEMDSYSTEMUNITDIR are
# problematic.
PKG_PROG_PKG_CONFIG
# We have to be a bit naughty here and supply options.
# The autoconf literature states that only features that can be separately
# 'built' should use --enable and friends. Oh well...
MAN_ARG_CACHE_OWNER
MAN_ARG_SETUID
MAN_ARG_UNDOC
MAN_ARG_DEVICE
MAN_ARG_DB
MAN_ARG_CONFIG_FILE
MAN_ARG_SECTIONS
MAN_ARG_AUTOMATIC_CREATE
MAN_ARG_AUTOMATIC_UPDATE
MAN_ARG_CATS
MAN_ARG_OVERRIDE_DIR
MAN_ARG_SYSTEMDTMPFILESDIR
MAN_ARG_SYSTEMDSYSTEMUNITDIR
MAN_ARG_MANDIRS
MAN_ARG_MANUAL
# Check $PATH for the following programs and append suitable options.
AC_PROG_CC
gl_EARLY
AC_PROG_CPP
CFLAGS="$CFLAGS -Wall"
case $host_os in
ultrix4.3*)
dnl When compiled for BSD environment, each running `man'
dnl increases the system load as reported by uptime(1) by
dnl one. The reason for this behaviour is currently
dnl unknown, but the load increase does *not* reflect actual
dnl resource usage. To avoid it, compile for POSIX
dnl environment:
CFLAGS="$CFLAGS -YPOSIX"
;;
esac
# Enable all reasonable GCC warnings.
gl_MANYWARN_ALL_GCC([warnings])
nw=
nw="$nw -Wsystem-headers"
nw="$nw -Wmissing-field-initializers"
nw="$nw -Winline"
gl_MANYWARN_COMPLEMENT([warnings], [$warnings], [$nw])
for w in $warnings; do
gl_WARN_ADD([$w])
done
gl_WARN_ADD([-Wno-missing-field-initializers])
# Disable use of VLAs by Gnulib to avoid tripping over -Wvla.
AC_DEFINE([GNULIB_NO_VLA], [1], [Define to 1 to disable use of VLAs.])
AC_PROG_INSTALL
AC_PROG_LN_S
AM_PROG_AR
LT_INIT([disable-static])
AC_CHECK_PROGS([cat], [cat])
MAN_CHECK_PROGS([browser], [BROWSER], [use BROWSER as default web browser], [www-browser lynx elinks w3m])
test -n "$browser" && browser="exec $browser"
AC_CHECK_PROGS([tr], [tr])
AC_CHECK_PROGS([grep], [grep])
MAN_CHECK_PROGS([pager], [PAGER], [use PAGER as default pager], [pager less more])
# Define below (in list of preference) *roff macros to check for.
macros="andoc an doc"
# We have problems here, as different systems have different *roff
# formatters and they accept different options and do different things :(
MAN_CHECK_PROGS([nroff], [NROFF], [use NROFF as roff formatter for character devices], [nroff gnroff groff])
if test -n "$nroff"
then
MAN_PROG_GNU_NROFF([$nroff])
if test "$man_cv_prog_gnu_nroff" != "yes"
then
MAN_PROG_HEIRLOOM_NROFF([$nroff])
fi
if test -n "$nroff_device"
then
AC_MSG_CHECKING([that nroff works with argument$nroff_device])
# We cannot cache this result as it can change between runs
# of configure.
if $nroff $nroff_device </dev/null >/dev/null 2>&1 3>&1
then
AC_MSG_RESULT([yes])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([nroff does not work with argument$nroff_device])
fi
fi
AC_MSG_CHECKING([for appropriate nroff macro])
AC_CACHE_VAL([man_cv_prog_nroff_macro], [
for macro in $macros
do
if $nroff -m$macro $nroff_device </dev/null >/dev/null 2>&1 3>&1
then
man_cv_prog_nroff_macro=-m$macro
break
fi
done])
if test -n "$man_cv_prog_nroff_macro"
then
if test "$man_cv_prog_heirloom_nroff" = "yes"
then
# Heirloom works best with some extra options:
# -mg: groff compatibility
# -msafe: disable privileged operations
# -mpadj: clean up line breaking
man_cv_prog_nroff_macro="-mg -msafe -mpadj ${man_cv_prog_nroff_macro}"
fi
nroff="$nroff ${man_cv_prog_nroff_macro}"
dnl nroff="$nroff ${man_cv_prog_nroff_macro}${nroff_device}"
AC_MSG_RESULT([$man_cv_prog_nroff_macro])
else
AC_MSG_RESULT([ambiguous])
AC_MSG_WARN([please edit include/manconfig.h and add nroff definition])
fi
else
AC_MSG_WARN([Cannot find an nroff-like program, formatting of manual page source will not be supported.])
nroff="(nroff not installed)"
AC_DEFINE([NROFF_MISSING], [1], [Define if you don't have nroff.])
fi
dnl It would be nice to use MAN_CHECK_PROGS here, but how do we determine
dnl TROFF_IS_GROFF?
AC_CHECK_PROGS([troff], [groff])
if test -n "$troff"
then
troff_is_groff=yes
AC_DEFINE([TROFF_IS_GROFF], [1], [Define if you are using groff as troff.])
TROFF=groff
else
troff_is_groff=no
AC_CHECK_PROGS([troff], [troff gtroff])
TROFF=troff
fi
AC_SUBST([TROFF])
if test -n "$troff"
then
AC_DEFINE([HAS_TROFF], [1], [Define if you have troff.])
AC_MSG_CHECKING([for appropriate $TROFF options])
AC_CACHE_VAL([man_cv_prog_troff_options], [
# Do a quick test to see if -t works [AIX needs this], groff doesn't
# as it indicates pre-process with tbl.
test "$TROFF" = "troff" && $troff -t </dev/null >/dev/null 2>&1 3>&1 \
&& troff_filter="-t "
for macro in $macros
do
if $troff $troff_filter -m$macro </dev/null >/dev/null 2>&1 3>&1
then
man_cv_prog_troff_options="${troff_filter}-m${macro}"
break
fi
done])
if test -n "$man_cv_prog_troff_options"
then
if test "$man_cv_prog_heirloom_nroff" = "yes"
then
# Heirloom works best with some extra options:
# -mg: groff compatibility
# -msafe: disable privileged operations
# -mpadj: clean up line breaking
man_cv_prog_troff_options="-mg -msafe -mpadj ${man_cv_prog_troff_options}"
fi
troff="$troff $man_cv_prog_troff_options"
AC_MSG_RESULT([$man_cv_prog_troff_options])
else
AC_MSG_RESULT([ambiguous])
AC_MSG_WARN([please edit include/manconfig.h and add troff definition])
fi
else
troff="(troff not installed)"
fi
dnl We want to end up with "-" written as "\-" in manual pages. This
dnl requires additional \-escaping corresponding to the following quote
dnl removal steps:
dnl 1) the following sed command
dnl 2) the following assignment
dnl 2) sed running on the substituted version of man/replace.sin.in
troff_as_troff_input=`echo "$troff" | sed 's/-/\\\\\\\\-/g'`
AC_SUBST([troff_as_troff_input])
if test -n "$nroff"
then
AC_CACHE_CHECK([whether nroff supports warning control],
[man_cv_prog_nroff_warnings], [
if test "x$troff_is_groff" = xyes && \
nroff -wmac </dev/null >/dev/null 2>&1
then
man_cv_prog_nroff_warnings=yes
else
man_cv_prog_nroff_warnings=no
fi])
if test "x$man_cv_prog_nroff_warnings" = xyes; then
AC_DEFINE([NROFF_WARNINGS], [1],
[Define if nroff supports warning control.])
fi
fi
AC_CHECK_PROGS([preconv], [gpreconv preconv])
AC_MSG_CHECKING([for groff with Debian multibyte patch or real Unicode support])
man_mb_groff=no
AC_ARG_ENABLE([mb-groff],
[AS_HELP_STRING([--enable-mb-groff], [expect groff with Debian multibyte patch or real Unicode support])],
[if test "$enableval" = "yes"
then
man_mb_groff=yes
fi],
[if test -n "$preconv"
then
man_mb_groff=yes
elif test -n "$troff" && test "$troff_is_groff" = "yes"
then
if $troff -Tnippon </dev/null >/dev/null 2>&1
then
man_mb_groff=yes
fi
fi])
AC_MSG_RESULT([$man_mb_groff])
if test "$man_mb_groff" = "yes"
then
AC_DEFINE([MULTIBYTE_GROFF], 1,
[Define if your groff installation has the Debian multibyte patch.])
fi
MAN_CHECK_PROGS([eqn], [EQN], [use EQN to preprocess equations], [eqn geqn])
MAN_CHECK_PROGS([neqn], [NEQN], [use NEQN to preprocess equations for character devices], [neqn gneqn])
# If we fail to find an neqn, use eqn and try to force it to output for an
# ascii device. As this is only relevant for equations (?), not using latin1
# should be acceptable. -Tlatin1 is ignored by some eqn implementations.
if test -z "$neqn"
then
test -n "$eqn" &&
(test -n "$nroff_device" && neqn="$eqn -T$nroff_device" || neqn="$eqn -Tascii")
fi
MAN_CHECK_PROGS([tbl], [TBL], [use TBL to preprocess tables], [tbl gtbl])
TBL_X_FORMAT=
if test -n "$tbl"
then
AC_CACHE_CHECK([whether tbl supports the 'x' format character],
[man_cv_tbl_x_format], [
if (echo .TS; echo ';'; echo lx.; echo SENTINEL; echo .TE) | \
$tbl 2>/dev/null | grep SENTINEL >/dev/null 2>&1
then
man_cv_tbl_x_format=yes
else
man_cv_tbl_x_format=no
fi])
if test "x$man_cv_tbl_x_format" = xyes
then
TBL_X_FORMAT=x
fi
fi
AC_SUBST([TBL_X_FORMAT])
MAN_CHECK_PROGS([col], [COL], [use COL to filter formatting characters from output], [col gcol])
MAN_CHECK_PROGS([vgrind], [VGRIND], [use VGRIND to preprocess program sources], [vgrind gvgrind])
MAN_CHECK_PROGS([refer], [REFER], [use REFER to preprocess bibliographic references], [refer grefer])
MAN_CHECK_PROGS([grap], [GRAP], [use GRAP to preprocess graphs], [grap])
MAN_CHECK_PROGS([pic], [PIC], [use PIC to preprocess pictures], [pic gpic])
test -n "$pic" && pic="$pic -S"
MAN_CHECK_PROGS([gzip], [GZIP], [use GZIP as GNU compression utility], [gzip])
if test -n "$gzip"
then
gunzip="$gzip -dc"
compressor="$gzip -c7"
compress_ext="gz"
fi
MAN_CHECK_PROGS([compress], [COMPRESS], [use COMPRESS as UNIX compression utility], [compress])
if test -n "$compress"
then
uncompress="$compress -dc"
if test -z "$gzip"
then
compressor="$compress -c"
compress_ext="Z"
fi
fi
MAN_CHECK_PROGS([bzip2], [BZIP2], [use BZIP2 as block-sorting compression utility], [bzip2])
if test -n "$bzip2"
then
bunzip2="$bzip2 -dc"
fi
MAN_CHECK_PROGS([xz], [XZ], [use XZ as Lempel-Ziv-Markov chain-Algorithm compression utility], [xz])
if test -n "$xz"
then
unxz="$xz -dc"
unlzma=
else
dnl lzma not used/needed if we have xz
MAN_CHECK_PROGS([lzma], [LZMA], [use LZMA as Lempel-Ziv-Markov chain-Algorithm compression utility], [lzma])
if test -n "$lzma"
then
unlzma="$lzma -dc"
fi
fi
MAN_CHECK_PROGS([lzip], [LZIP], [use LZIP as Lempel-Ziv-Markov chain-Algorithm compression utility], [lzip])
if test -n "$lzip"
then
unlzip="$lzip -dc"
fi
MAN_CHECK_PROGS([zstd], [ZSTD], [use ZSTD as zstd compression utility], [zstd])
if test -n "$zstd"
then
unzstd="$zstd -dc"
fi
if test -n "$compressor"
then
AC_DEFINE([COMP_CAT], [1], [Define if you have compressors and want to support compressed cat files.])
fi
AC_SUBST([compressor])
AC_SUBST([compress_ext])
AC_SUBST([gunzip])
AC_SUBST([uncompress])
AC_SUBST([bunzip2])
AC_SUBST([unlzma])
AC_SUBST([unxz])
AC_SUBST([unlzip])
AC_SUBST([unzstd])
MAN_COMPRESS_LIB([z], [gzopen])
dnl To add more decompressors just follow the scheme above.
# Check for various header files and associated libraries.
AC_ISC_POSIX
dnl AC_PROG_LEX calls AC_TRY_LINK: must come after above 3
AC_PROG_LEX
if test "$LEX" = ":" && (test ! -e src/lexgrog.c || test ! -e src/zsoelim.c)
then
AC_MSG_ERROR([flex is required when building from revision control])
fi
gl_INIT
AC_CHECK_HEADERS([sys/file.h linux/fiemap.h])
AC_CHECK_FUNCS([posix_fadvise])
# Internationalization support.
AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION([0.18.3])
AC_SUBST([LINGUAS])
AM_ICONV
MAN_PO4A
MAN_LINGUAS
# Checks for structures and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_TYPE_PID_T
AC_TYPE_UID_T
AC_TYPE_SIZE_T
# Check for pipeline library.
PKG_CHECK_MODULES([libpipeline], [libpipeline >= 1.5.0])
# Find a suitable database interface header and library.
#
# Check for GNU dbm routines.
if test "$db" = "no" || test "$db" = "gdbm"
then
AC_CHECK_HEADER([gdbm.h], [
for lib in gdbm c dbm
do
AC_CHECK_LIB([$lib], [gdbm_fetch],
test "$lib" = "c" || DBLIBS="-l$lib"
[AC_DEFINE([GDBM], [1], [Define if you have, and want to use, gdbm interface routines.])
AC_SUBST([DBTYPE], [gdbm])]
db=yes, db=no)
if test "$db" = "yes"
then
man_save_LIBS="$LIBS"
LIBS="$LIBS $DBLIBS"
AC_CHECK_FUNCS([gdbm_exists])
LIBS="$man_save_LIBS"
break
fi
done], db=no)
fi
# Check for Berkeley db routines (first version API).
MAN_CHECK_BDB([db5 db], [db5/db_185.h db_185.h], [db5 db-5])
MAN_CHECK_BDB([db4 db], [db4/db_185.h db_185.h], [db4 db-4])
MAN_CHECK_BDB([db3 db], [db3/db_185.h db_185.h], [db3])
MAN_CHECK_BDB([db2 db], [db_185.h db2/db_185.h db2_185.h], [db2 db])
MAN_CHECK_BDB([db1 db], [db/db.h db.h db1/db.h], [db db1 c])
dnl MAN_CHECK_BDB([db2], [db2_185.h], [db2 db c], [AC_DEFINE(DB_ON_LIBC)])
dnl MAN_CHECK_BDB([db2], [db2/db_185.h], [db2 db c])
# Check for UNIX ndbm routines.
if test "$db" = "no" || test "$db" = "ndbm"
then
AC_CHECK_HEADER([ndbm.h], [
for lib in ndbm c dbm
do
AC_CHECK_LIB([$lib], [dbm_fetch],
test "$lib" = "c" || DBLIBS="-l$lib"
[AC_DEFINE([NDBM], [1], [Define if you have, and want to use, ndbm interface routines.])
AC_SUBST([DBTYPE], [ndbm])]
db=yes, db=no)
test "$db" = "yes" && break
done], db=no)
if test "$db" = no
then
AC_CHECK_HEADER([gdbm-ndbm.h], [
for lib in gdbm_compat c dbm
do
AC_CHECK_LIB([$lib], [dbm_fetch],
test "$lib" = "c" || DBLIBS="-l$lib"
[AC_DEFINE([NDBM], [1], [Define if you have, and want to use, ndbm interface routines.])
AC_SUBST([DBTYPE], [ndbm])]
db=yes, db=no)
test "$db" = "yes" && break
done], db=no)
fi
fi
if test "$db" != "yes"
then
if test "$db" = "no"
then
AC_MSG_ERROR([Fatal: no supported database library/header found])
else
AC_MSG_ERROR([Fatal: $db: unsupported database library])
fi
fi
AC_SUBST([DBLIBS])
# Check for libseccomp library.
MAN_LIBSECCOMP
dnl MAN_ECHO_VAR(ENV-VARIABLE)
define([MAN_ECHO_VAR], [AC_MSG_NOTICE([default $1 = "$$1"])])dnl
dnl
MAN_ECHO_VAR([CC])
MAN_ECHO_VAR([CPP])
MAN_ECHO_VAR([CPPFLAGS])
MAN_ECHO_VAR([CFLAGS])
MAN_ECHO_VAR([LDFLAGS])
MAN_ECHO_VAR([LIBS])
MAN_ECHO_VAR([DBLIBS])
# Transformed versions of program names for use in Automake variables.
MAN_TRANS_SUBST([apropos])
MAN_TRANS_SUBST([catman])
MAN_TRANS_SUBST([lexgrog])
MAN_TRANS_SUBST([man])
MAN_TRANS_SUBST([man-recode])
MAN_TRANS_SUBST([manconv])
MAN_TRANS_SUBST([mandb])
MAN_TRANS_SUBST([manpath])
MAN_TRANS_SUBST([whatis])
MAN_TRANS_SUBST([zsoelim])
# If we're cross-compiling, tests won't work.
AM_CONDITIONAL([CROSS_COMPILING], [test "x$cross_compiling" = xyes])
# Are Gnulib translations available?
AM_CONDITIONAL([HAVE_GNULIB_PO], [test -f "$srcdir/gl/po/POTFILES.in"])
AC_CONFIG_FILES([Makefile
gl/lib/Makefile
init/Makefile
init/systemd/Makefile
lib/Makefile
src/Makefile
src/man_db.conf
src/tests/Makefile
man/Makefile
man/replace.sin
man/po4a/Makefile
man/da/Makefile
man/de/Makefile
man/es/Makefile
man/fr/Makefile
man/id/Makefile
man/it/Makefile
man/ja/Makefile
man/nl/Makefile
man/pl/Makefile
man/pt/Makefile
man/pt_BR/Makefile
man/ru/Makefile
man/sr/Makefile
man/sv/Makefile
man/tr/Makefile
man/zh_CN/Makefile
manual/Makefile
libdb/Makefile
docs/Makefile
tools/Makefile
include/comp_src.h
include/manconfig.h
po/Makefile.in])
if test -f "$srcdir/gl/po/Makefile.in.in"; then
AC_CONFIG_FILES([gl/po/Makefile.in])
fi
AC_OUTPUT
|