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man-db/configure.ac
Daniel Baumann 1fa764a8d3
Adding upstream version 2.13.1. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-21 08:13:55 +02:00

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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], [2.13.1], [cjwatson@debian.org])
AC_CONFIG_AUX_DIR([build-aux])
AM_INIT_AUTOMAKE([1.14 -Wall -Wno-override -Werror foreign dist-xz no-dist-gzip parallel-tests])
AM_SILENT_RULES([yes])
AC_PREREQ([2.64])
AC_CONFIG_SRCDIR([src/man.c])
AC_USE_SYSTEM_EXTENSIONS
MAN_TAR_SORT_NAME
AC_CONFIG_HEADERS([config.h])
AC_CANONICAL_HOST
# Define below date and version information to be put into man pages etc.
date=2025-05-02
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
MAN_ARG_SNAPDIR
# 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
AC_ARG_ENABLE([gcc-warnings],
[AS_HELP_STRING([--enable-gcc-warnings=TYPE],
[control generation of GCC warnings. The TYPE 'no' disables
warnings; 'yes' generates cheap warnings if available (default);
'expensive' in addition generates expensive-to-compute warnings
if available])],
[case $enableval in
no|yes|expensive) ;;
*) AC_MSG_ERROR([bad value $enableval for gcc-warnings option]) ;;
esac
man_gcc_warnings=$enableval],
[man_gcc_warnings=yes]
)
if test "$man_gcc_warnings" != no; then
# Enable all reasonable GCC warnings.
gl_MANYWARN_ALL_GCC([warnings])
nw=
nw="$nw -Wsystem-headers"
nw="$nw -Wmissing-field-initializers"
nw="$nw -Winline"
if test "$man_gcc_warnings" != expensive; then
nw="$nw -fanalyzer"
fi
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.])
fi
AC_PROG_INSTALL
AC_PROG_LN_S
AM_PROG_AR
LT_INIT([disable-static])
libman_export_ldflags=
if test "$with_gnu_ld" = yes; then
case $host_os in
cygwin*|mingw*|pw32*|cegcc*)
libman_export_ldflags='-Wl,--export-all-symbols'
;;
esac
fi
AC_SUBST([LIBMAN_EXPORT_LDFLAGS], [$libman_export_ldflags])
AC_CHECK_PROGS([cat], [cat])
AC_DEFINE_UNQUOTED([PROG_CAT], ["$cat"], [Program to use as cat.])
MAN_CHECK_PROGS([browser], [BROWSER], [use BROWSER as default web browser], [www-browser lynx elinks w3m])
test -n "$browser" && browser="exec $browser"
AC_DEFINE_UNQUOTED([PROG_BROWSER], ["$browser"], [Program to use as browser.])
AC_CHECK_PROGS([tr], [tr])
AC_DEFINE_UNQUOTED([PROG_TR], ["$tr"], [Program to use as tr.])
AC_CHECK_PROGS([grep], [grep])
AC_DEFINE_UNQUOTED([PROG_GREP], ["$grep"], [Program to use as grep.])
MAN_CHECK_PROGS([pager], [PAGER], [use PAGER as default pager], [pager less more])
AC_DEFINE_UNQUOTED([PROG_PAGER], ["$pager"], [Program to use as pager.])
# Define below (in list of preference) *roff macros to check for.
macros="andoc an doc"
# We have problems here, as different systems have different *roff
# formatters and they accept different options and do different things :(
MAN_CHECK_PROGS([nroff], [NROFF], [use NROFF as roff formatter for character devices], [nroff gnroff groff])
if test -n "$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([$man_cv_prog_nroff_macro])
else
AC_MSG_RESULT([ambiguous])
AC_MSG_WARN([please edit config.h and add nroff definition])
fi
else
AC_MSG_WARN([Cannot find an nroff-like program, formatting of manual page source will not be supported.])
nroff="(nroff not installed)"
AC_DEFINE([NROFF_MISSING], [1], [Define if you don't have nroff.])
fi
AC_DEFINE_UNQUOTED([PROG_NROFF], ["$nroff"], [Program to use as nroff.])
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 "$troff"
then
troff_is_groff=yes
AC_DEFINE([TROFF_IS_GROFF], [1], [Define if you are using groff as troff.])
TROFF=groff
else
troff_is_groff=no
AC_CHECK_PROGS([troff], [troff gtroff])
TROFF=troff
fi
AC_SUBST([troff_is_groff])
AC_SUBST([TROFF])
if test -n "$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 config.h and add troff definition])
fi
else
troff="(troff not installed)"
fi
AC_DEFINE_UNQUOTED([PROG_TROFF], ["$troff"], [Program to use as troff.])
dnl We want to end up with "-" written as "\-" in manual pages. This
dnl requires additional \-escaping corresponding to the following quote
dnl removal steps:
dnl 1) the following sed command
dnl 2) the following assignment
dnl 2) sed running on the substituted version of man/replace.sin.in
troff_as_troff_input=`echo "$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$man_cv_prog_nroff_warnings" = xyes; then
AC_DEFINE([NROFF_WARNINGS], [1],
[Define if nroff supports warning control.])
fi
fi
MAN_CHECK_PROGS([eqn], [EQN], [use EQN to preprocess equations], [eqn geqn])
AC_DEFINE_UNQUOTED([PROG_EQN], ["$eqn"], [Program to use as eqn.])
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
AC_DEFINE_UNQUOTED([PROG_NEQN], ["$neqn"], [Program to use as neqn.])
MAN_CHECK_PROGS([tbl], [TBL], [use TBL to preprocess tables], [tbl gtbl])
AC_DEFINE_UNQUOTED([PROG_TBL], ["$tbl"], [Program to use as tbl.])
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])
AC_DEFINE_UNQUOTED([PROG_COL], ["$col"], [Program to use as col.])
MAN_CHECK_PROGS([vgrind], [VGRIND], [use VGRIND to preprocess program sources], [vgrind gvgrind])
AC_DEFINE_UNQUOTED([PROG_VGRIND], ["$vgrind"], [Program to use as vgrind.])
MAN_CHECK_PROGS([refer], [REFER], [use REFER to preprocess bibliographic references], [refer grefer])
AC_DEFINE_UNQUOTED([PROG_REFER], ["$refer"], [Program to use as refer.])
MAN_CHECK_PROGS([grap], [GRAP], [use GRAP to preprocess graphs], [grap])
AC_DEFINE_UNQUOTED([PROG_GRAP], ["$grap"], [Program to use as grap.])
MAN_CHECK_PROGS([pic], [PIC], [use PIC to preprocess pictures], [pic gpic])
test -n "$pic" && pic="$pic -S"
AC_DEFINE_UNQUOTED([PROG_PIC], ["$pic"], [Program to use as pic.])
MAN_CHECK_PROGS([gzip], [GZIP], [use GZIP as GNU compression utility], [gzip])
if test -n "$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 LZ77/entropy-coding compression utility], [zstd])
if test -n "$zstd"
then
unzstd="$zstd -dc"
fi
if test -n "$compressor"
then
AC_DEFINE([COMP_CAT], [1], [Define if you have compressors and want to support compressed cat files.])
fi
dnl Compressors are used for compressing cat pages.
AC_SUBST([compressor])
AC_DEFINE_UNQUOTED(
[PROG_COMPRESSOR], ["$compressor"],
[Default compressor, used for compressing cat pages.])
AC_DEFINE_UNQUOTED(
[COMPRESS_EXT], ["$compress_ext"],
[Default compression extension, used for compressing cat pages.])
dnl Decompressors are used for decompressing cat pages and nroff source.
dnl To add further decompressors, you will also need to edit
dnl lib/compression.c.
AC_DEFINE_UNQUOTED([PROG_GUNZIP], ["$gunzip"], [Program to use as gunzip.])
AC_DEFINE_UNQUOTED(
[PROG_UNCOMPRESS], ["$uncompress"], [Program to use as uncompress.])
AC_DEFINE_UNQUOTED([PROG_BUNZIP2], ["$bunzip2"], [Program to use as bunzip2.])
AC_DEFINE_UNQUOTED([PROG_UNLZMA], ["$unlzma"], [Program to use as unlzma.])
AC_DEFINE_UNQUOTED([PROG_UNXZ], ["$unxz"], [Program to use as unxz.])
AC_DEFINE_UNQUOTED([PROG_UNLZIP], ["$unlzip"], [Program to use as unlzip.])
AC_DEFINE_UNQUOTED([PROG_UNZSTD], ["$unzstd"], [Program to use as unzstd.])
MAN_COMPRESS_LIB([z], [gzopen])
dnl To add more decompressors just follow the scheme above.
# Check for various header files and associated libraries.
dnl The "noyywrap" argument is new in Autoconf 2.70, but this also works
dnl fine with older versions that ignore the argument.
AC_PROG_LEX([noyywrap])
if test "$LEX" = ":" && (test ! -e $srcdir/src/lexgrog.c || test ! -e $srcdir/src/zsoelim.c)
then
AC_MSG_ERROR([flex is required when building from revision control])
fi
gl_INIT
AC_CHECK_HEADERS([sys/file.h linux/fiemap.h])
AC_CHECK_FUNCS([posix_fadvise])
# Internationalization support.
AM_GNU_GETTEXT([external])
AM_GNU_GETTEXT_VERSION([0.18.3])
AC_SUBST([LINGUAS])
AM_ICONV
AC_SUBST([HAVE_ICONV], [$am_func_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
dnl _nl_msg_cat_cntr is required for GNU gettext
AC_MSG_CHECKING([for _nl_msg_cat_cntr])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[[#include <libintl.h>
extern int _nl_msg_cat_cntr;]],
[[++_nl_msg_cat_cntr;]])],
AC_MSG_RESULT([yes]); AC_DEFINE([HAVE_NL_MSG_CAT_CNTR], [], [_nl_msg_cat_cntr from GNU Gettext]),
AC_MSG_RESULT([no]))
# 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/ko/Makefile
man/nl/Makefile
man/pl/Makefile
man/pt/Makefile
man/pt_BR/Makefile
man/ro/Makefile
man/ru/Makefile
man/sr/Makefile
man/sv/Makefile
man/tr/Makefile
man/uk/Makefile
man/zh_CN/Makefile
manual/Makefile
libdb/Makefile
docs/Makefile
tools/Makefile
po/Makefile.in])
if test -f "$srcdir/gl/po/Makefile.in.in"; then
AC_CONFIG_FILES([gl/po/Makefile.in])
fi
AC_OUTPUT
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