2 #@ Please see INSTALL and make.rc instead.
7 # The feature set, to be kept in sync with make.rc
8 # If no documentation given, the option is used as such; if doc is a hyphen,
9 # entry is suppressed when configuration overview is printed: most likely for
10 # obsolete features etc.
12 ICONV='Character set conversion using iconv(3)' \
13 SOCKETS='Network support' \
14 SSL='SSL/TLS (OpenSSL)' \
15 SSL_ALL_ALGORITHMS='Support of all digest and cipher algorithms' \
16 SMTP='Simple Mail Transfer Protocol client' \
17 POP3='Post Office Protocol Version 3 client' \
18 GSSAPI='Generic Security Service authentication' \
19 NETRC='.netrc file support' \
21 MD5='MD5 message digest (APOP, CRAM-MD5)' \
22 IDNA='Internationalized Domain Names for Applications (encode only)' \
23 IMAP_SEARCH='IMAP-style search expressions' \
24 REGEX='Regular expressions' \
25 MLE='Mailx Line Editor' \
26 HISTORY='Line editor history management' \
27 KEY_BINDINGS='Configurable key bindings' \
28 TERMCAP='Terminal capability queries (termcap(5))' \
29 TERMCAP_VIA_TERMINFO='Terminal capability queries use terminfo(5)' \
30 ERRORS='Error log message ring' \
31 SPAM_SPAMC='Spam management via spamc(1) of spamassassin(1)' \
33 SPAM_FILTER='Freely configurable *spam-filter-..*s' \
34 DOCSTRINGS='Command documentation help strings' \
35 QUOTE_FOLD='Extended *quote-fold*ing' \
36 FILTER_HTML_TAGSOUP='Simple builtin HTML-to-text display filter' \
37 COLOUR='Coloured message display' \
38 DOTLOCK='Dotlock files and privilege-separated dotlock program' \
41 # Options which are automatically deduced from host environment, i.e., these
42 # need special treatment all around here to warp from/to OPT_ stuff
43 # setlocale, C90AMEND1, NL_LANGINFO, wcwidth
45 LOCALES='Locale support - printable characters etc. depend on environment' \
46 MBYTE_CHARSETS='Multibyte character sets' \
47 TERMINAL_CHARSET='Automatic detection of terminal character set' \
48 WIDE_GLYPHS='Wide glyph support' \
51 # Rather special options, for custom building, or which always exist.
52 # Mostly for generating the visual overview and the *feature* string
54 MIME='Multipurpose Internet Mail Extensions' \
55 SMIME='S/MIME message signing, verification, en- and decryption' \
56 CROSS_BUILD='Cross-compilation: trust any detected environment' \
57 DEBUG='Debug enabled binary, not for end-users: THANKS!' \
58 DEVEL='Computers do not blunder' \
61 # The problem is that we don't have any tools we can use right now, so
62 # encapsulate stuff in functions which get called in right order later on
84 option_parse OPTIONS_DETECT
"${XOPTIONS_DETECT}"
85 option_parse OPTIONS
"${XOPTIONS}"
86 option_parse OPTIONS_XTRA
"${XOPTIONS_XTRA}"
89 # Predefined CONFIG= urations take precedence over anything else
90 if [ -n "${CONFIG}" ]; then
99 [mM
][iI
][nN
][iI
][mM
][aA
][lL
])
105 [mM
][eE
][dD
][iI
][uU
][mM
])
111 OPT_HISTORY
=1 OPT_KEY_BINDINGS
=1
118 [nN
][eE
][tT
][sS
][eE
][nN
][dD
])
124 OPT_GSSAPI
=1 OPT_NETRC
=1 OPT_AGENT
=1
128 OPT_HISTORY
=1 OPT_KEY_BINDINGS
=1
133 [mM
][aA
][xX
][iI
][mM
][aA
][lL
])
137 [dD
][eE
][vV
][eE
][lL
])
138 OPT_DEVEL
=1 OPT_DEBUG
=1 OPT_NYD2
=1
141 [oO
][dD
][eE
][vV
][eE
][lL
])
146 echo >&2 "Unknown CONFIG= setting: ${CONFIG}"
147 echo >&2 ' NULL, NULLI, MINIMAL, MEDIUM, NETSEND, MAXIMAL'
154 # Inter-relationships
156 if feat_no SMTP
&& feat_no POP3
; then
159 if feat_no SOCKETS
; then
160 if feat_require SMTP
; then
161 msg
'ERROR: need SOCKETS for required feature SMTP'
164 if feat_require POP3
; then
165 msg
'ERROR: need SOCKETS for required feature POP3'
168 OPT_SSL
=0 OPT_SSL_ALL_ALGORITHMS
=0
169 OPT_SMTP
=0 OPT_POP3
=0
170 OPT_GSSAPI
=0 OPT_NETRC
=0 OPT_AGENT
=0
172 if feat_no SMTP
; then
177 OPT_HISTORY
=0 OPT_KEY_BINDINGS
=0
180 # If we don't need MD5 leave it alone
181 if feat_no SOCKETS
; then
185 if feat_yes DEVEL
; then
188 if feat_yes DEBUG
; then
189 OPT_NOALLOCA
=1 OPT_DEVEL
=1
196 h
=.
/config.h h_name
=config.h
199 newlst
=.
/config.lst-new
200 newmk
=.
/config.mk-new
201 newev
=.
/config.ev-new
207 ## -- >8 - << OPTIONS | OS/CC >> - 8< -- ##
209 # Note that potential duplicates in PATH, C_INCLUDE_PATH etc. will be cleaned
210 # via path_check() later on once possible
212 # TODO cc_maxopt is brute simple, we should compile test program and dig real
213 # compiler versions for known compilers, then be more specific
218 # We don't "have any utility": only path adjustments and such in here!
219 i
="${OS:-`uname -s`}"
221 if [ ${i} = SunOS
]; then
222 msg
'SunOS / Solaris? Applying some "early setup" rules ...'
223 _os_early_setup_sunos
227 _os_early_setup_sunos
() {
228 # According to standards(5), this is what we need to do
229 if [ -d /usr
/xpg4
]; then :; else
230 msg
'ERROR: On SunOS / Solaris we need /usr/xpg4 environment! Sorry.'
233 PATH
="/usr/xpg4/bin:/usr/ccs/bin:/usr/bin:${PATH}"
234 [ -d /usr
/xpg6
] && PATH
="/usr/xpg6/bin:${PATH}"
239 # OSFULLSPEC is used to recognize changes (i.e., machine type, updates etc.)
240 OSFULLSPEC
="${OS:-`uname -a | ${tr} '[A-Z]' '[a-z]'`}"
241 OS
="${OS:-`uname -s | ${tr} '[A-Z]' '[a-z]'`}"
242 msg
'Operating system is %s' ${OS}
244 if [ ${OS} = sunos
]; then
245 msg
' . have special SunOS / Solaris "setup" rules ...'
247 elif [ ${OS} = unixware
]; then
248 msg
' . have special UnixWare environmental rules ...'
249 if feat_yes AUTOCC
&& command -v cc
>/dev
/null
2>&1; then
251 feat_yes DEBUG
&& _CFLAGS
='-v -Xa -g' || _CFLAGS
='-Xa -O'
253 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
254 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
255 export CC CFLAGS LDFLAGS
256 OPT_AUTOCC
=0 had_want_autocc
=1 need_R_ldflags
=-R
258 elif [ -n "${VERBOSE}" ]; then
259 msg
' . no special treatment for this system necessary or known'
262 # Sledgehammer: better set _GNU_SOURCE
263 # And in general: oh, boy!
264 OS_DEFINES
="${OS_DEFINES}#define _GNU_SOURCE\n"
265 #OS_DEFINES="${OS_DEFINES}#define _POSIX_C_SOURCE 200809L\n"
266 #OS_DEFINES="${OS_DEFINES}#define _XOPEN_SOURCE 700\n"
267 #[ ${OS} = darwin ] && OS_DEFINES="${OS_DEFINES}#define _DARWIN_C_SOURCE\n"
269 # On pkgsrc(7) systems automatically add /usr/pkg/*
270 if [ -d /usr
/pkg
]; then
271 C_INCLUDE_PATH
="${C_INCLUDE_PATH}:/usr/pkg/include"
272 LD_LIBRARY_PATH
="${LD_LIBRARY_PATH}:/usr/pkg/lib"
277 C_INCLUDE_PATH
="/usr/xpg4/include:${C_INCLUDE_PATH}"
278 LD_LIBRARY_PATH
="/usr/xpg4/lib:${LD_LIBRARY_PATH}"
281 if [ -d /opt
/csw
]; then
282 C_INCLUDE_PATH
="${C_INCLUDE_PATH}:/opt/csw/include"
283 LD_LIBRARY_PATH
="${LD_LIBRARY_PATH}:/opt/csw/lib"
286 OS_DEFINES
="${OS_DEFINES}#define __EXTENSIONS__\n"
287 #OS_DEFINES="${OS_DEFINES}#define _POSIX_C_SOURCE 200112L\n"
289 [ -n "${cksum}" ] ||
cksum=/opt
/csw
/gnu
/cksum
290 if [ -x "${cksum}" ]; then :; else
291 msg
'ERROR: Not an executable program: %s' "${cksum}"
292 msg
'ERROR: We need a CRC-32 cksum(1), as specified in POSIX.'
293 msg
'ERROR: However, we do so only for tests.'
294 msg
'ERROR: If that is ok, set "cksum=/usr/bin/true", then rerun'
298 if feat_yes AUTOCC
; then
299 if command -v cc
>/dev
/null
2>&1; then
301 feat_yes DEBUG
&& _CFLAGS
="-v -Xa -g" || _CFLAGS
="-Xa -O"
303 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
304 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
305 export CC CFLAGS LDFLAGS
306 OPT_AUTOCC
=0 had_want_autocc
=1 need_R_ldflags
=-R
308 # Assume gcc(1), which supports -R for compat
309 cc_maxopt
=2 force_no_stackprot
=1 need_R_ldflags
=-Wl,-R
314 # Check out compiler ($CC) and -flags ($CFLAGS)
316 # Even though it belongs into cc_flags we will try to compile and link
317 # something, so ensure we have a clean state regarding CFLAGS/LDFLAGS or
318 # EXTRA_CFLAGS/EXTRA_LDFLAGS
319 if feat_no AUTOCC
; then
321 # Ensure those don't do any harm
322 EXTRA_CFLAGS
= EXTRA_LDFLAGS
=
323 export EXTRA_CFLAGS EXTRA_LDFLAGS
327 export CFLAGS LDFLAGS
330 [ -n "${CC}" ] && [ "${CC}" != cc ] && { _cc_default; return; }
332 msg_nonl 'Searching for a usable C compiler .. $CC='
333 if { i="`command -v clang`"; }; then
335 elif { i="`command -v gcc`"; }; then
337 elif { i="`command -v c99`"; }; then
339 elif { i="`command -v tcc`"; }; then
341 elif { i="`command -v pcc`"; }; then
344 if [ "${CC}" = cc ]; then
346 elif { i="`command -v c89`"; }; then
349 msg 'boing booom tschak'
350 msg 'ERROR: I cannot find a compiler!'
351 msg ' Neither of clang(1), gcc(1), tcc(1), pcc(1), c89(1) and c99(1).'
352 msg ' Please set ${CC} environment variable, maybe ${CFLAGS}, rerun.'
361 if [ -z "${CC}" ]; then
362 msg 'To go on like you have chosen, please set $CC, rerun.'
366 if [ -z "${VERBOSE}" ] && [ -f ${lst} ] && feat_no DEBUG; then
369 msg 'Using C compiler ${CC}=%s' "${CC}"
374 if feat_yes AUTOCC; then
375 if [ -f ${lst} ] && feat_no DEBUG && [ -z "${VERBOSE}" ]; then
377 msg 'Detecting ${CFLAGS}/${LDFLAGS} for ${CC}=%s, just a second..' \
381 msg 'Testing usable ${CFLAGS}/${LDFLAGS} for ${CC}=%s' "${CC}"
384 i
=`echo "${CC}" | ${awk} 'BEGIN{FS="/"}{print $NF}'`
385 if { echo "${i}" | ${grep} tcc; } >/dev/null 2>&1; then
386 msg ' . have special tcc(1) environmental rules ...'
389 # As of pcc CVS 2016-04-02, stack protection support is announced but
390 # will break if used on Linux
391 if { echo "${i}" | ${grep} pcc; } >/dev
/null
2>&1; then
397 feat_no DEBUG
&& _CFLAGS
="-DNDEBUG ${_CFLAGS}"
398 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
399 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
401 if feat_no DEBUG
; then
402 CFLAGS
="-DNDEBUG ${CFLAGS}"
406 export CFLAGS LDFLAGS
410 __cflags
=${_CFLAGS} __ldflags
=${_LDFLAGS}
417 if feat_yes DEBUG
; then
418 # May have problems to find libtcc cc_check -b
422 if ld_check
-Wl,-rpath =.
/ no
; then
423 need_R_ldflags
=-Wl,-rpath=
424 ld_runtime_flags
# update!
427 _CFLAGS
="${_CFLAGS} ${__cflags}" _LDFLAGS="${_LDFLAGS} ${__ldflags}"
428 unset __cflags __ldflags
431 _cc_flags_generic
() {
432 __cflags
=${_CFLAGS} __ldflags
=${_LDFLAGS}
434 feat_yes DEVEL
&& cc_check
-std=c89 || cc_check
-std=c99
436 # Check -g first since some others may rely upon -g / optim. level
437 if feat_yes DEBUG
; then
440 elif [ ${cc_maxopt} -gt 2 ] && cc_check
-O3; then
442 elif [ ${cc_maxopt} -gt 1 ] && cc_check
-O2; then
444 elif [ ${cc_maxopt} -gt 0 ] && cc_check
-O1; then
450 if feat_yes DEVEL
&& cc_check
-Weverything; then
455 cc_check
-Wbad-function-cast
456 cc_check
-Wcast-align
459 cc_check
-Wmissing-prototypes
462 cc_check
-Wwrite-strings
463 cc_check
-Wno-long-long
467 if feat_yes AMALGAMATION
&& feat_no DEVEL
; then
468 cc_check
-Wno-unused-function
470 feat_no DEVEL
&& cc_check
-Wno-unused-result # XXX do right way (pragma too)
472 cc_check
-fno-unwind-tables
473 cc_check
-fno-asynchronous-unwind-tables
474 cc_check
-fstrict-aliasing
475 if cc_check
-fstrict-overflow && feat_yes DEVEL
; then
476 cc_check
-Wstrict-overflow=5
479 if feat_yes DEBUG || feat_yes FORCED_STACKPROT
; then
480 if [ -z "${force_no_stackprot}" ]; then
481 if cc_check
-fstack-protector-strong ||
482 cc_check
-fstack-protector-all; then
483 cc_check
-D_FORTIFY_SOURCE=2
486 msg
'Not checking for -fstack-protector compiler option,'
487 msg
'since that caused errors in a "similar" configuration.'
488 msg
'You may turn off OPT_AUTOCC and use your own settings, rerun'
492 if feat_yes AMALGAMATION
; then
496 # LD (+ dependend CC)
498 if feat_yes DEVEL
; then
501 #if cc_check -fsanitize=memory &&
502 # ld_check -fsanitize=memory &&
503 # cc_check -fsanitize-memory-track-origins=2 &&
504 # ld_check -fsanitize-memory-track-origins=2; then
511 ld_check
-Wl,-z,relro
513 ld_check
-Wl,-z,noexecstack
514 if ld_check
-Wl,-rpath =.
/ no
; then
515 need_R_ldflags
=-Wl,-rpath=
516 ld_runtime_flags
# update!
517 elif ld_check
-Wl,-R .
/ no
; then
518 need_R_ldflags
=-Wl,-R
519 ld_runtime_flags
# update!
522 # Address randomization
524 if cc_check
-fPIE || cc_check
-fpie; then
525 ld_check
-pie || _CFLAGS
=${_ccfg}
529 _CFLAGS
="${_CFLAGS} ${__cflags}" _LDFLAGS="${_LDFLAGS} ${__ldflags}"
530 unset __cflags __ldflags
533 ## -- >8 - <<OS/CC | SUPPORT FUNS>> - 8< -- ##
536 ## - Heirloom sh(1) (and same origin) have _sometimes_ problems with ': >'
537 ## redirection, so use "printf '' >" instead
539 ## Very first: we undergo several states regarding I/O redirection etc.,
540 ## but need to deal with option updates from within all. Since all the
541 ## option stuff should be above the scissor line, define utility functions
542 ## and redefine them as necessary.
543 ## And, since we have those functions, simply use them for whatever
552 printf >&2 -- "${fmt}\\n" "${@}"
558 printf >&2 -- "${fmt}" "${@}"
561 t1
=ten10one1ten10one1
562 if ( [ ${t1##*ten10} = one1
] && [ ${t1#*ten10} = one1ten10one1
] &&
563 [ ${t1%%one1*} = ten10
] && [ ${t1%one1*} = ten10one1ten10
]
564 ) > /dev
/null
2>&1; then
571 # We need some standard utilities
574 n
=${1} i=${2} opt=${3:-0}
575 # Evaluate, just in case user comes in with shell snippets (..well..)
577 if type "${i}" >/dev
/null
2>&1; then # XXX why have i type not command -v?
578 [ -n "${VERBOSE}" ] && msg ' . ${%s} ... %s' "${n}" "${i}"
582 if [ ${opt} -eq 0 ]; then
583 msg
'ERROR: no trace of utility %s' "${n}"
589 # Our feature check environment
591 [ "x${1}" = x0
] ||
[ "x${1}" = xn
] ||
592 [ "x${1}" = xfalse ] || [ "x${1}" = xno ] || [ "x${1}" = xoff
]
596 [ "x${1}" = x1
] ||
[ "x${1}" = xy
] ||
597 [ "x${1}" = xtrue ] || [ "x${1}" = xyes ] || [ "x${1}" = xon
] ||
598 [ "x${1}" = xrequire
]
602 [ "x${1}" = xrequire
]
607 i
="`echo ${i} | ${tr} '[A-Z]' '[a-z]'`"
608 if feat_val_no
"${i}"; then
610 elif feat_val_yes
"${i}"; then
613 msg
"ERROR: %s: 0/n/false/no/off or 1/y/true/yes/on/require, got: %s" \
624 _feat_check
${1} && return 1
630 i
="`echo ${i} | ${tr} '[A-Z]' '[a-z]'`"
631 [ "x${i}" = xrequire
] ||
[ "x${i}" = xrequired
]
634 feat_bail_required
() {
635 if feat_require
${1}; then
636 msg
'ERROR: feature OPT_%s is required but not available' "${1}"
640 option_update
# XXX this is rather useless here (dependency chain..)
644 # Parse one of our XOPTIONS* in $2 and assign the sh(1) compatible list of
645 # options, without documentation, to $1
646 i
="`${awk} -v input=\"${2}\" '
649 voff = match(input, /[[:alnum:]_]+(='"'"'[^
'"'"']+)?/)
652 v = substr(input, voff, RLENGTH)
653 input = substr(input, voff + RLENGTH)
656 d = substr(v, doff + 2, length(v) - doff - 1)
657 v = substr(v, 1, doff - 1)
667 # Return the "documentation string" for option $1, itself if none such
668 ${awk} -v want
="${1}" \
669 -v input
="${XOPTIONS_DETECT}${XOPTIONS}${XOPTIONS_XTRA}" '
672 voff = match(input, /[[:alnum:]_]+(='"'"'[^'"'"']+)?/)
675 v = substr(input, voff, RLENGTH)
676 input = substr(input, voff + RLENGTH)
679 d = substr(v, doff + 2, length(v) - doff - 1)
680 v = substr(v, 1, doff - 1)
694 # Join the values from make.rc into what currently is defined, not
695 # overwriting yet existing settings
697 # We want read(1) to perform backslash escaping in order to be able to use
698 # multiline values in make.rc; the resulting sh(1)/sed(1) code was very slow
699 # in VMs (see [fa2e248]), Aharon Robbins suggested the following
700 < ${rc} ${awk} 'BEGIN{line = ""}{
701 gsub
(/^
[[:space
:]]+/, "", $0)
702 gsub
(/[[:space
:]]+$
/, "", $0)
703 if(gsub
(/\\$
/, "", $0)){
708 if(index
(line
, "#") == 1){
710 }else if(length
(line
)){
716 if [ -n "${good_shell}" ]; then
719 i=`${awk} -v LINE="${line}" 'BEGIN
{
720 gsub
(/=.
*$
/, "", LINE
)
724 if [ "${i}" = "${line}" ]; then
725 msg 'ERROR
: invalid syntax
in: %s
' "${line}"
729 eval j="\$${i}" jx="\${${i}+x}"
730 if [ -n "${j}" ] || [ "${jx}" = x ]; then
733 j=`${awk} -v LINE="${line}" 'BEGIN
{
734 gsub
(/^
[^
=]*=/, "", LINE
)
735 gsub
(/^
\"*/, "", LINE
)
736 gsub
(/\"*$
/, "", LINE
)
740 [ "${i}" = "DESTDIR" ] && continue
743 # Reread the mixed version right now
748 # Expand the option values, which may contain shell snippets
749 ${rm} -f ${newlst} ${newmk} ${newh}
750 exec 5<&0 6>&1 <${tmp} >${newlst}
753 if [ -n "${good_shell}" ]; then
755 [ "${i}" != "${i#OPT_}" ] && z=1
757 i=`${awk} -v LINE="${line}" 'BEGIN
{
758 gsub
(/=.
*$
/, "", LINE
);\
761 if echo "${i}" | ${grep} '^OPT_
' >/dev/null 2>&1; then
767 if [ -n "${z}" ]; then
768 j="`echo ${j} | ${tr} '[A-Z
]' '[a-z
]'`"
769 if [ -z "${j}" ] || feat_val_no "${j}"; then
771 printf " /* #undef ${i} */\n" >> ${newh}
772 elif feat_val_yes "${j}"; then
773 if feat_val_require "${j}"; then
778 printf " /* #define ${i} */\n" >> ${newh}
780 msg 'ERROR
: cannot parse
<%s
>' "${line}"
784 printf "#define ${i} \"${j}\"\n" >> ${newh}
786 printf "${i} = ${j}\n" >> ${newmk}
790 exec 0<&5 1>&6 5<&- 6<&-
794 # "path_check VARNAME" or "path_check VARNAME FLAG VARNAME"
795 varname=${1} addflag=${2} flagvarname=${3}
803 [ -z "${i}" ] && continue
804 [ -d "${i}" ] || continue
805 # Skip any fakeroot packager environment
806 case "${i}" in *fakeroot*) continue;; esac
807 if [ -n "${j}" ]; then
808 if { z=${y}; echo "${z}"; } | ${grep} ":${i}:" >/dev/null 2>&1; then
813 [ -n "${addflag}" ] && k="${k} ${addflag}${i}"
818 [ -n "${addflag}" ] && k="${addflag}${i}"
821 eval "${varname}=\"${j}\""
822 [ -n "${addflag}" ] && eval "${flagvarname}=\"${k}\""
827 if [ -n "${need_R_ldflags}" ]; then
830 set -- ${LD_LIBRARY_PATH}
834 LDFLAGS="${LDFLAGS} ${need_R_ldflags}${i}"
835 _LDFLAGS="${_LDFLAGS} ${need_R_ldflags}${i}"
839 # Disable it for a possible second run.
844 [ -n "${cc_check_silent}" ] || msg_nonl ' . CC
%s ..
' "${1}"
846 ${_CFLAGS} ${1} ${EXTRA_CFLAGS} ${_LDFLAGS} ${EXTRA_LDFLAGS} \
847 -o ${tmp2} ${tmp}.c ${LIBS} >/dev/null 2>&1; then
848 _CFLAGS="${_CFLAGS} ${1}"
849 [ -n "${cc_check_silent}" ] || msg 'yes'
852 [ -n "${cc_check_silent}" ] || msg 'no
'
857 # $1=option [$2=option argument] [$3=if set, shall NOT be added to _LDFLAGS]
858 [ -n "${cc_check_silent}" ] || msg_nonl ' . LD
%s ..
' "${1}"
859 if "${CC}" ${INCS} ${_CFLAGS} ${_LDFLAGS} ${1}${2} ${EXTRA_LDFLAGS} \
860 -o ${tmp2} ${tmp}.c ${LIBS} >/dev/null 2>&1; then
861 [ -n "${3}" ] || _LDFLAGS="${_LDFLAGS} ${1}"
862 [ -n "${cc_check_silent}" ] || msg 'yes'
865 [ -n "${cc_check_silent}" ] || msg 'no
'
870 variable=$1 topic=$2 define=$3
873 msg_nonl ' .
%s ...
' "${topic}"
874 echo "/* checked ${topic} */" >> ${h}
875 ${rm} -f ${tmp} ${tmp}.o
876 echo '*** test program is
'
877 { echo '#include <'"${h_name}"'>'; cat; } | ${tee} ${tmp}.c
878 #echo '*** the preprocessor generates'
879 #${make} -f ${makefile} ${tmp}.x
881 echo '*** results are'
885 variable
=$1 topic
=$2 define
=$3
887 _check_preface
"${variable}" "${topic}" "${define}"
889 if ${make} -f ${makefile} XINCS="${INCS}" ./${tmp}.o
&&
890 [ -f .
/${tmp}.o
]; then
892 echo "${define}" >> ${h}
893 eval have_
${variable}=yes
896 echo "/* ${define} */" >> ${h}
898 eval unset have_
${variable}
904 run
=$1 variable
=$2 topic
=$3 define
=$4 libs
=$5 incs
=$6
906 _check_preface
"${variable}" "${topic}" "${define}"
908 feat_yes CROSS_BUILD
&& run
=0
910 if ${make} -f ${makefile} XINCS="${INCS} ${incs}" \
911 XLIBS="${LIBS} ${libs}" ./${tmp} &&
913 { [ ${run} -eq 0 ] || ./${tmp}; }; then
914 echo "*** adding INCS<${incs}> LIBS<${libs}>; executed: ${run}"
916 echo "${define}" >> ${h}
917 LIBS
="${LIBS} ${libs}"
918 echo "${libs}" >> ${lib}
919 INCS
="${INCS} ${incs}"
920 echo "${incs}" >> ${inc}
921 eval have_
${variable}=yes
925 echo "/* ${define} */" >> ${h}
926 eval unset have_
${variable}
932 _link_mayrun
0 "${1}" "${2}" "${3}" "${4}" "${5}"
936 _link_mayrun
1 "${1}" "${2}" "${3}" "${4}" "${5}"
940 if feat_yes
${1}; then
941 echo '#define HAVE_'${1}'' >> ${h}
943 echo '/* OPT_'${1}'=0 */' >> ${h}
948 < "${1}" > "${2}" ${awk} \
949 'BEGIN {ORS = " "} /^[^#]/ {print} {next} END {ORS = ""; print "\n"}'
952 ## -- >8 - <<SUPPORT FUNS | RUNNING>> - 8< -- ##
954 # First of all, create new configuration and check whether it changed
956 # Very easy checks for the operating system in order to be able to adjust paths
957 # or similar very basic things which we need to be able to go at all
960 # Check those tools right now that we need before including $rc
961 msg 'Checking for basic utility set'
962 check_tool awk "${awk:-`command -v awk`}"
963 check_tool rm "${rm:-`command -v rm`}"
964 check_tool tr "${tr:-`command -v tr`}"
966 # Initialize the option set
967 msg_nonl 'Setting up configuration options ... '
971 # Include $rc, but only take from it what wasn't overwritten by the user from
972 # within the command line or from a chosen fixed CONFIG=
973 # Note we leave alone the values
974 trap "exit 1" HUP INT TERM
975 trap "${rm} -f ${tmp}" EXIT
977 msg_nonl 'Joining in %s ... ' ${rc}
981 # We need to know about that now, in order to provide utility overwrites etc.
984 msg 'Checking for remaining set of utilities'
985 check_tool grep "${grep:-`command -v grep`}"
987 # Before we step ahead with the other utilities perform a path cleanup first.
991 check_tool cat "${cat:-`command -v cat`}"
992 check_tool chmod "${chmod:-`command -v chmod`}"
993 check_tool cp "${cp:-`command -v cp`}"
994 check_tool cmp "${cmp:-`command -v cmp`}"
996 check_tool mkdir "${mkdir:-`command -v mkdir`}"
997 check_tool mv "${mv:-`command -v mv`}"
999 check_tool sed "${sed:-`command -v sed`}"
1000 check_tool sort "${sort:-`command -v sort`}"
1001 check_tool tee "${tee:-`command -v tee`}"
1003 check_tool chown "${chown:-`command -v chown`}" 1 ||
1004 check_tool chown "/sbin
/chown
" 1 ||
1005 check_tool chown "/usr
/sbin
/chown
"
1007 check_tool make "${MAKE:-`command -v make`}"
1009 check_tool strip "${STRIP:-`command -v strip`}" 1 &&
1010 HAVE_STRIP=1 || HAVE_STRIP=0
1012 # For ./cc-test.sh only
1013 check_tool cksum "${cksum:-`command -v cksum`}"
1015 # Update OPT_ options now, in order to get possible inter-dependencies right
1018 # (No functions since some shells loose non-exported variables in traps)
1019 trap "trap \"\" HUP INT TERM
; exit 1" HUP INT TERM
1020 trap "trap \"\" HUP INT TERM EXIT
;\
1021 ${rm} -rf ${newlst} ${tmp0}.* ${tmp0}* ${newmk} ${newev} ${newh}" EXIT
1023 # Our configuration options may at this point still contain shell snippets,
1024 # we need to evaluate them in order to get them expanded, and we need those
1025 # evaluated values not only in our new configuration file, but also at hand..
1026 msg_nonl 'Evaluating all configuration items ... '
1030 # Add the known utility and some other variables
1031 printf "#define VAL_UAGENT \"${VAL_SID}${VAL_NAIL}\"\n" >> ${newh}
1032 printf "VAL_UAGENT = ${VAL_SID}${VAL_NAIL}\n" >> ${newmk}
1034 printf "#define VAL_PRIVSEP \"${VAL_SID}${VAL_NAIL}-privsep\"\n" >> ${newh}
1035 printf "VAL_PRIVSEP = \$(VAL_UAGENT)-privsep\n" >> ${newmk}
1036 if feat_yes DOTLOCK
; then
1037 printf "OPTIONAL_PRIVSEP = \$(VAL_PRIVSEP)\n" >> ${newmk}
1039 printf "OPTIONAL_PRIVSEP =\n" >> ${newmk}
1043 awk cat chmod chown
cp cmp grep mkdir
mv rm sed sort tee tr \
1044 MAKE MAKEFLAGS
make SHELL strip \
1047 printf "${i} = ${j}\n" >> ${newmk}
1048 printf "${i}=${j}\n" >> ${newlst}
1049 printf "${i}=\"${j}\";export ${i}; " >> ${newev}
1051 printf "\n" >> ${newev}
1053 # Build a basic set of INCS and LIBS according to user environment.
1054 path_check C_INCLUDE_PATH -I _INCS
1055 INCS="${INCS} ${_INCS}"
1056 path_check LD_LIBRARY_PATH -L _LIBS
1057 LIBS="${LIBS} ${_LIBS}"
1059 export C_INCLUDE_PATH LD_LIBRARY_PATH
1061 # Some environments need runtime path flags to be able to go at all
1064 ## Detect CC, whether we can use it, and possibly which CFLAGS we can use
1068 ${cat} > ${tmp}.c << \!
1071 static void doit(char const *s);
1073 main(int argc, char **argv){
1076 doit("Hello world
");
1080 doit(char const *s){
1082 memcpy(buf, s, strlen(s) +1);
1087 if "${CC}" ${INCS} ${CFLAGS} ${EXTRA_CFLAGS} ${LDFLAGS} ${EXTRA_LDFLAGS} \
1088 -o ${tmp2} ${tmp}.c ${LIBS}; then
1091 msg
'ERROR: i cannot compile a "Hello world" via'
1093 "${CC} ${INCS} ${CFLAGS} ${EXTRA_CFLAGS} ${LDFLAGS} ${EXTRA_LDFLAGS} ${LIBS}"
1094 msg
'ERROR: Please read INSTALL, rerun'
1098 # This may also update ld_runtime_flags() (again)
1105 printf -- "${i}=${j}\n" >> ${newlst}
1111 PATH C_INCLUDE_PATH LD_LIBRARY_PATH \
1115 printf -- "${i} = ${j}\n" >> ${newmk}
1116 printf -- "${i}=${j}\n" >> ${newlst}
1119 # Now finally check whether we already have a configuration and if so, whether
1120 # all those parameters are still the same.. or something has actually changed
1121 if [ -f ${lst} ] && ${cmp} ${newlst} ${lst} >/dev/null 2>&1; then
1122 echo 'Configuration is up-to-date'
1124 elif [ -f ${lst} ]; then
1125 echo 'Configuration has been updated..'
1126 ( eval "${MAKE} -f .
/mk.mk clean
" )
1129 echo 'Shiny configuration..'
1132 # Time to redefine helper 1
1134 ${rm} -f ${lst} ${h} ${mk}
1138 ${mv} -f ${newlst} ${lst}
1139 ${mv} -f ${newev} ${ev}
1140 ${mv} -f ${newh} ${h}
1141 ${mv} -f ${newmk} ${mk}
1143 if [ -z "${VERBOSE}" ]; then
1144 printf -- "ECHO_CC
= @
echo ' 'CC \$
(@
);\n" >> ${mk}
1145 printf -- "ECHO_LINK
= @
echo ' 'LINK \$
(@
);\n" >> ${mk}
1146 printf -- "ECHO_GEN
= @
echo ' 'GEN \$
(@
);\n" >> ${mk}
1147 printf -- "ECHO_TEST
= @
\n" >> ${mk}
1148 printf -- "ECHO_CMD
= @
echo ' CMD';\n" >> ${mk}
1149 printf -- "ECHO_BLOCK_BEGIN
= @
( \n" >> ${mk}
1150 printf -- "ECHO_BLOCK_END
= ) >/dev
/null
\n" >> ${mk}
1153 ## Compile and link checking
1159 makefile=./config.mk
1161 # (No function since some shells loose non-exported variables in traps)
1162 trap "trap \"\" HUP INT TERM
;\
1163 ${rm} -f ${lst} ${h} ${mk} ${lib} ${inc}; exit 1" HUP INT TERM
1164 trap "trap \"\" HUP INT TERM EXIT
;\
1165 ${rm} -rf ${tmp0}.* ${tmp0}* ${makefile}" EXIT
1167 # Time to redefine helper 2
1171 printf "*** ${fmt}\\n
" "${@}"
1172 printf -- "${fmt}\\n
" "${@}" >&5
1177 printf "*** ${fmt}\\n
" "${@}"
1178 printf -- "${fmt}" "${@}" >&5
1182 exec 5>&2 > ${log} 2>&1
1184 echo "${LIBS}" > ${lib}
1185 echo "${INCS}" > ${inc}
1186 ${cat} > ${makefile} << \!
1187 .SUFFIXES: .o .c .x .y
1189 $(CC) -I./ $(XINCS) $(CFLAGS) -c $(<)
1191 $(CC) -I./ $(XINCS) -E $(<) > $(@)
1193 $(CC) -I./ $(XINCS) $(CFLAGS) $(LDFLAGS) -o $(@) $(<) $(XLIBS)
1198 # May be multiline..
1199 [ -n "${OS_DEFINES}" ] && printf -- "${OS_DEFINES}" >> ${h}
1201 feat_def AMALGAMATION
1202 feat_def CROSS_BUILD
1210 if run_check inline
'"inline" functions' \
1211 '#define HAVE_INLINE
1212 #define n_INLINE static inline' << \
!
1213 static inline int ilf
(int i
){return ++i
;}
1214 int main
(void
){return ilf
(-1);}
1218 elif run_check inline
'"__inline" functions' \
1219 '#define HAVE_INLINE
1220 #define n_INLINE static __inline' << \
!
1221 static __inline int ilf
(int i
){return ++i
;}
1222 int main
(void
){return ilf
(-1);}
1228 if run_check endian
'Little endian byteorder' \
1229 '#define HAVE_BYTE_ORDER_LITTLE' << \
!
1231 enum
{vBig
= 1, vLittle
= 0};
1232 union
{unsigned short bom
; unsigned char buf
[2];} u
;
1234 return((u.buf
[1] == 0xFE) ? vLittle
: vBig
);
1241 ## Test for "basic" system-calls / functionality that is used by all parts
1242 ## of our program. Once this is done fork away BASE_LIBS and other BASE_*
1243 ## macros to be used by only the subprograms (potentially).
1245 if run_check clock_gettime
'clock_gettime(2)' \
1246 '#define HAVE_CLOCK_GETTIME' << \
!
1252 if(!clock_gettime
(CLOCK_REALTIME
, &ts
) || errno
!= ENOSYS
)
1259 elif run_check clock_gettime
'clock_gettime(2) (via -lrt)' \
1260 '#define HAVE_CLOCK_GETTIME' '-lrt' << \
!
1266 if(!clock_gettime
(CLOCK_REALTIME
, &ts
) || errno
!= ENOSYS
)
1273 elif run_check gettimeofday
'gettimeofday(2)' \
1274 '#define HAVE_GETTIMEOFDAY' << \
!
1275 #include <stdio.h> /* For C89 NULL */
1276 #include <sys/time.h>
1281 if(!gettimeofday
(&tv
, NULL
) || errno
!= ENOSYS
)
1289 have_no_subsecond_time
=1
1292 if run_check nanosleep
'nanosleep(2)' \
1293 '#define HAVE_NANOSLEEP' << \
!
1300 ts.tv_nsec
= 100000;
1301 if(!nanosleep
(&ts
, NULL
) || errno
!= ENOSYS
)
1308 elif run_check nanosleep
'nanosleep(2) (via -lrt)' \
1309 '#define HAVE_NANOSLEEP' '-lrt' << \
!
1316 ts.tv_nsec
= 100000;
1317 if(!nanosleep
(&ts
, NULL
) || errno
!= ENOSYS
)
1324 # link_check is enough for this, that function is so old, trust the proto
1325 elif link_check
sleep 'sleep(3)' \
1326 '#define HAVE_SLEEP' << \
!
1330 if(!sleep(1) || errno
!= ENOSYS
)
1338 msg
'ERROR: we require one of nanosleep(2) and sleep(3).'
1342 if run_check userdb
'gete?[gu]id(2), getpwuid(3), getpwnam(3)' << \
!
1351 if((gid
= getgid
()) != 0)
1353 if((uid
= getuid
()) != 0)
1355 if((pw
= getpwuid
(uid
)) == NULL
&& errno
== ENOSYS
)
1357 if((pw
= getpwnam
("root")) == NULL
&& errno
== ENOSYS
)
1365 msg
'ERROR: we require user and group info / database searches.'
1366 msg
'That much Unix we indulge ourselfs.'
1370 if link_check ftruncate
'ftruncate(2)' \
1371 '#define HAVE_FTRUNCATE' << \
!
1373 #include <sys/types.h>
1375 return (ftruncate
(0, 0) != 0);
1381 msg
'ERROR: we require the ftruncate(2) system call.'
1385 if run_check sa_restart
'SA_RESTART (for sigaction(2))' << \
!
1389 struct sigaction nact
, oact
;
1391 nact.sa_handler
= SIG_DFL
;
1392 sigemptyset
(&nact.sa_mask
);
1393 nact.sa_flags
= SA_RESTART
;
1394 return !(!sigaction
(SIGCHLD
, &nact
, &oact
) || errno
!= ENOSYS
);
1400 msg
'ERROR: we (yet) require the SA_RESTART flag for sigaction(2).'
1404 if link_check snprintf
'snprintf(3)' << \
!
1409 snprintf
(b
, sizeof b
, "%s", "string");
1416 msg
'ERROR: we require the snprintf(3) function.'
1420 if link_check environ
'environ(3)' << \
!
1421 #include <stdio.h> /* For C89 NULL */
1423 extern char
**environ
;
1425 return environ
[0] == NULL
;
1431 msg
'ERROR: we require the environ(3) array for subprocess control.'
1435 if link_check setenv
'(un)?setenv(3)' '#define HAVE_SETENV' << \
!
1438 setenv
("s-mailx", "i want to see it cute!", 1);
1439 unsetenv
("s-mailx");
1445 elif link_check setenv
'putenv(3)' '#define HAVE_PUTENV' << \
!
1448 putenv
("s-mailx=i want to see it cute!");
1455 msg
'ERROR: we require either the setenv(3) or putenv(3) functions.'
1459 if link_check termios
'termios.h and tc*(3) family' << \
!
1460 #include <termios.h>
1462 struct termios tios
;
1464 tcgetattr
(0, &tios
);
1465 tcsetattr
(0, TCSANOW | TCSADRAIN | TCSAFLUSH
, &tios
);
1472 msg
'ERROR: we require termios.h and the tc*() family of functions.'
1473 msg
'That much Unix we indulge ourselfs.'
1479 if link_check vsnprintf
'vsnprintf(3)' << \
!
1482 static void dome
(char
*buf
, size_t blen
, ...
){
1486 vsnprintf
(buf
, blen
, "%s", ap
);
1492 dome
(b
, sizeof b
, "string");
1499 feat_bail_required ERRORS
1502 if [ "${have_vsnprintf}" = yes ]; then
1503 link_check va_copy
'va_copy(3)' '#define HAVE_VA_COPY' << \
!
1506 static void dome2
(char
*buf
, size_t blen
, va_list src
){
1510 vsnprintf
(buf
, blen
, "%s", ap
);
1513 static void dome
(char
*buf
, size_t blen
, ...
){
1517 dome2
(buf
, blen
, ap
);
1523 dome
(b
, sizeof b
, "string");
1529 run_check pathconf
'f?pathconf(2)' '#define HAVE_PATHCONF' << \
!
1536 rv |
= !(pathconf
(".", _PC_NAME_MAX
) >= 0 || errno
== 0 || errno
!= ENOSYS
);
1538 rv |
= !(pathconf
(".", _PC_PATH_MAX
) >= 0 || errno
== 0 || errno
!= ENOSYS
);
1540 /* Only link check
*/
1541 fpathconf
(0, _PC_NAME_MAX
);
1547 run_check pipe2
'pipe2(2)' '#define HAVE_PIPE2' << \
!
1554 if(!pipe2
(fds
, O_CLOEXEC
) || errno
!= ENOSYS
)
1560 # We use this only then for now (need NOW+1)
1561 run_check utimensat
'utimensat(2)' '#define HAVE_UTIMENSAT' << \
!
1562 #include <fcntl.h> /* For AT_* */
1563 #include <sys/stat.h>
1566 struct timespec ts
[2];
1568 ts
[0].tv_nsec
= UTIME_NOW
;
1569 ts
[1].tv_nsec
= UTIME_OMIT
;
1570 if(!utimensat
(AT_FDCWD
, "", ts
, 0) || errno
!= ENOSYS
)
1578 # XXX Add POSIX check once standardized
1579 if link_check posix_random
'arc4random(3)' '#define HAVE_POSIX_RANDOM 0' << \
!
1588 elif [ -n "${have_no_subsecond_time}" ]; then
1589 msg
'ERROR: %s %s' 'without a native random' \
1590 'one of clock_gettime(2) and gettimeofday(2) is required.'
1594 link_check putc_unlocked
'putc_unlocked(3)' '#define HAVE_PUTC_UNLOCKED' <<\
!
1597 putc_unlocked
('@', stdout
);
1602 link_check fchdir
'fchdir(3)' '#define HAVE_FCHDIR' << \
!
1610 if run_check realpath
'realpath(3)' '#define HAVE_REALPATH' << \
!
1613 char x_buf
[4096], *x
= realpath
(".", x_buf
);
1615 return (x
!= NULL
) ?
0 : 1;
1619 if run_check realpath_malloc
'realpath(3) takes NULL' \
1620 '#define HAVE_REALPATH_NULL' << \
!
1623 char
*x
= realpath
(".", NULL
);
1627 return (x
!= NULL
) ?
0 : 1;
1635 ## optional and selectable
1637 if feat_no NOALLOCA
; then
1638 # Due to NetBSD PR lib/47120 it seems best not to use non-cc-builtin
1639 # versions of alloca(3) since modern compilers just can't be trusted
1640 # not to overoptimize and silently break some code
1641 run_check alloca
'__builtin_alloca()' \
1642 '#define HAVE_ALLOCA __builtin_alloca' << \
!
1643 #include <stdio.h> /* For C89 NULL */
1645 void
*vp
= __builtin_alloca
(1);
1647 return (vp
!= NULL
);
1652 if feat_yes DOTLOCK
; then
1653 if run_check readlink
'readlink(2)' << \
!
1659 if(!readlink
("here", buf
, sizeof buf
) || errno
!= ENOSYS
)
1667 feat_bail_required DOTLOCK
1671 if feat_yes DOTLOCK
; then
1672 if run_check fchown
'fchown(2)' << \
!
1676 if(!fchown
(0, 0, 0) || errno
!= ENOSYS
)
1684 feat_bail_required DOTLOCK
1688 ## Now it is the time to fork away the BASE_ series
1691 squeeze_em
${inc} ${tmp}
1693 squeeze_em
${lib} ${tmp}
1696 echo "BASE_LIBS = `${cat} ${lib}`" >> ${mk}
1697 echo "BASE_INCS
= `${cat} ${inc}`" >> ${mk}
1699 ## The remains are expected to be used only by the main MUA binary!
1702 link_check setlocale 'setlocale(3)' '#define HAVE_SETLOCALE' << \!
1705 setlocale(LC_ALL, "");
1709 [ -n "${have_setlocale}" ] && OPT_LOCALES=1
1711 OPT_MBYTE_CHARSETS=0
1713 OPT_TERMINAL_CHARSET=0
1714 if [ -n "${have_setlocale}" ]; then
1715 link_check c90amend1 'ISO/IEC 9899:1990/Amendment 1:1995' \
1716 '#define HAVE_C90AMEND1' << \!
1722 char mbb[MB_LEN_MAX + 1];
1727 mbtowc(&wc, "x", 1);
1728 mbrtowc(&wc, "x", 1, NULL);
1730 return (mblen("\0", 1) == 0);
1733 [ -n "${have_c90amend1}" ] && OPT_MBYTE_CHARSETS=1
1735 if [ -n "${have_c90amend1}" ]; then
1736 link_check wcwidth 'wcwidth(3)' '#define HAVE_WCWIDTH' << \!
1743 [ -n "${have_wcwidth}" ] && OPT_WIDE_GLYPHS=1
1746 link_check nl_langinfo 'nl_langinfo(3)' '#define HAVE_NL_LANGINFO' << \!
1747 #include <langinfo.h>
1751 return (nl_langinfo(CODESET) == NULL);
1754 [ -n "${have_nl_langinfo}" ] && OPT_TERMINAL_CHARSET=1
1757 link_check fnmatch 'fnmatch(3)' '#define HAVE_FNMATCH' << \!
1758 #include <fnmatch.h>
1760 return (fnmatch("*", ".", FNM_PATHNAME | FNM_PERIOD) == FNM_NOMATCH);
1764 link_check dirent_d_type 'struct dirent.d_type' '#define HAVE_DIRENT_TYPE' << \!
1768 return !(de.d_type == DT_UNKNOWN ||
1769 de.d_type == DT_DIR || de.d_type == DT_LNK);
1773 ## optional and selectable
1775 if feat_yes ICONV; then
1776 ${cat} > ${tmp2}.c << \!
1777 #include <stdio.h> /* For C89 NULL */
1782 id = iconv_open("foo", "bar");
1783 iconv(id, NULL, NULL, NULL, NULL);
1788 < ${tmp2}.c link_check iconv 'iconv(3) functionality' \
1789 '#define HAVE_ICONV' ||
1790 < ${tmp2}.c link_check iconv 'iconv(3) functionality (via -liconv)' \
1791 '#define HAVE_ICONV' '-liconv' ||
1792 feat_bail_required ICONV
1794 echo '/* OPT_ICONV=0 */' >> ${h}
1797 if feat_yes SOCKETS || feat_yes SPAM_SPAMD; then
1798 ${cat} > ${tmp2}.c << \!
1799 #include <sys/types.h>
1800 #include <sys/socket.h>
1804 struct sockaddr_un soun;
1806 if(socket(AF_UNIX, SOCK_STREAM, 0) == -1 && errno == ENOSYS)
1808 if(connect(0, (struct sockaddr*)&soun, 0) == -1 && errno == ENOSYS)
1810 if(shutdown(0, SHUT_RD | SHUT_WR | SHUT_RDWR) == -1 && errno == ENOSYS)
1816 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets' \
1817 '#define HAVE_UNIX_SOCKETS' ||
1818 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets (via -lnsl)' \
1819 '#define HAVE_UNIX_SOCKETS' '-lnsl' ||
1820 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets (via -lsocket -lnsl)' \
1821 '#define HAVE_UNIX_SOCKETS' '-lsocket -lnsl'
1824 if feat_yes SOCKETS; then
1825 ${cat} > ${tmp2}.c << \!
1827 #include <sys/types.h>
1828 #include <sys/socket.h>
1829 #include <netinet/in.h>
1834 if(socket(AF_INET, SOCK_STREAM, 0) == -1 && errno == ENOSYS)
1836 if(connect(0, &s, 0) == -1 && errno == ENOSYS)
1842 < ${tmp2}.c run_check sockets 'sockets' \
1843 '#define HAVE_SOCKETS' ||
1844 < ${tmp2}.c run_check sockets 'sockets (via -lnsl)' \
1845 '#define HAVE_SOCKETS' '-lnsl' ||
1846 < ${tmp2}.c run_check sockets 'sockets (via -lsocket -lnsl)' \
1847 '#define HAVE_SOCKETS' '-lsocket -lnsl' ||
1848 feat_bail_required SOCKETS
1850 echo '/* OPT_SOCKETS=0 */' >> ${h}
1851 fi # feat_yes SOCKETS
1853 if feat_yes SOCKETS; then
1854 link_check getaddrinfo 'getaddrinfo(3)' \
1855 '#define HAVE_GETADDRINFO' << \!
1857 #include <sys/types.h>
1858 #include <sys/socket.h>
1862 struct addrinfo a, *ap;
1865 switch((lrv = getaddrinfo("foo", "0", &a, &ap))){
1869 fprintf(stderr, "%s\n", gai_strerror(lrv));
1878 if feat_yes SOCKETS && [ -z "${have_getaddrinfo}" ]; then
1879 compile_check arpa_inet_h '<arpa/inet.h>' \
1880 '#define HAVE_ARPA_INET_H' << \!
1882 #include <sys/types.h>
1883 #include <sys/socket.h>
1885 #include <netinet/in.h>
1886 #include <arpa/inet.h>
1889 ${cat} > ${tmp2}.c << \!
1891 #include <sys/types.h>
1892 #include <sys/socket.h>
1896 #include <netinet/in.h>
1897 #ifdef HAVE_ARPA_INET_H
1898 #include <arpa/inet.h>
1901 struct sockaddr_in servaddr;
1902 unsigned short portno;
1905 struct in_addr **pptr;
1908 if((ep = getservbyname("POPPY-PORT", "tcp")) != NULL)
1909 portno = (unsigned short)ep->s_port;
1911 if((hp = gethostbyname("POPPY-HOST")) != NULL){
1912 pptr = (struct in_addr**)hp->h_addr_list;
1913 if(hp->h_addrtype != AF_INET)
1914 fprintf(stderr, "au\n");
1917 case HOST_NOT_FOUND:
1923 fprintf(stderr, "au\n");
1928 memset(&servaddr, 0, sizeof servaddr);
1929 servaddr.sin_family = AF_INET;
1930 servaddr.sin_port = htons(portno);
1931 memcpy(&servaddr.sin_addr, *pptr, sizeof(struct in_addr));
1932 fprintf(stderr, "Would connect to %s:%d ...\n",
1933 inet_ntoa(**pptr), (int)portno);
1938 < ${tmp2}.c link_check gethostbyname 'get(serv|host)byname(3)' ||
1939 < ${tmp2}.c link_check gethostbyname \
1940 'get(serv|host)byname(3) (via -nsl)' '' '-lnsl' ||
1941 < ${tmp2}.c link_check gethostbyname \
1942 'get(serv|host)byname(3) (via -lsocket -nsl)' \
1943 '' '-lsocket -lnsl' ||
1944 feat_bail_required SOCKETS
1948 run_check setsockopt 'setsockopt(2)' '#define HAVE_SETSOCKOPT' << \!
1949 #include <sys/socket.h>
1955 if(setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, NULL, 0) == -1 &&
1962 feat_yes SOCKETS && [ -n "${have_setsockopt}" ] &&
1963 link_check so_sndtimeo 'SO_SNDTIMEO' '#define HAVE_SO_SNDTIMEO' << \!
1964 #include <sys/socket.h>
1972 setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof tv);
1973 setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv);
1978 feat_yes SOCKETS && [ -n "${have_setsockopt}" ] &&
1979 link_check so_linger 'SO_LINGER' '#define HAVE_SO_LINGER' << \!
1980 #include <sys/socket.h>
1988 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &li, sizeof li);
1993 if feat_yes SSL; then
1994 if link_check openssl 'OpenSSL (new style *_client_method(3ssl))' \
1996 #define HAVE_OPENSSL 10100' '-lssl -lcrypto' << \!
1997 #include <openssl/ssl.h>
1998 #include <openssl/err.h>
1999 #include <openssl/x509v3.h>
2000 #include <openssl/x509.h>
2001 #include <openssl/rand.h>
2002 #ifdef OPENSSL_NO_TLS1 /* TODO only deduced from OPENSSL_NO_SSL[23]! */
2003 # error We need TLSv1.
2006 SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
2009 PEM_read_PrivateKey(0, 0, 0, 0);
2015 elif link_check openssl 'OpenSSL (old style *_client_method(3ssl))' \
2017 #define HAVE_OPENSSL 10000' '-lssl -lcrypto' << \!
2018 #include <openssl/ssl.h>
2019 #include <openssl/err.h>
2020 #include <openssl/x509v3.h>
2021 #include <openssl/x509.h>
2022 #include <openssl/rand.h>
2023 #if defined OPENSSL_NO_SSL3 &&\
2024 defined OPENSSL_NO_TLS1 /* TODO only deduced from OPENSSL_NO_SSL[23]! */
2025 # error We need one of SSLv3 and TLSv1.
2028 SSL_CTX *ctx = SSL_CTX_new(SSLv23_client_method());
2031 PEM_read_PrivateKey(0, 0, 0, 0);
2038 feat_bail_required SSL
2041 if [ "${have_openssl}" = 'yes' ]; then
2042 compile_check stack_of 'OpenSSL STACK_OF()' \
2043 '#define HAVE_OPENSSL_STACK_OF' << \!
2044 #include <stdio.h> /* For C89 NULL */
2045 #include <openssl/ssl.h>
2046 #include <openssl/err.h>
2047 #include <openssl/x509v3.h>
2048 #include <openssl/x509.h>
2049 #include <openssl/rand.h>
2051 STACK_OF(GENERAL_NAME) *gens = NULL;
2053 printf("%p", gens); /* to use it */
2058 link_check ossl_conf 'OpenSSL_modules_load_file() support' \
2059 '#define HAVE_OPENSSL_CONFIG' << \!
2060 #include <stdio.h> /* For C89 NULL */
2061 #include <openssl/conf.h>
2063 CONF_modules_load_file(NULL, NULL, CONF_MFLAGS_IGNORE_MISSING_FILE);
2064 CONF_modules_free();
2069 link_check ossl_conf_ctx 'OpenSSL SSL_CONF_CTX support' \
2070 '#define HAVE_OPENSSL_CONF_CTX' << \!
2072 #include <openssl/ssl.h>
2073 #include <openssl/err.h>
2075 #if HAVE_OPENSSL < 10100
2076 SSL_CTX *ctx = SSL_CTX_new(SSLv23_client_method());
2078 SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
2080 SSL_CONF_CTX *cctx = SSL_CONF_CTX_new();
2082 SSL_CONF_CTX_set_flags(cctx,
2083 SSL_CONF_FLAG_FILE | SSL_CONF_FLAG_CLIENT |
2084 SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_SHOW_ERRORS);
2085 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
2086 SSL_CONF_cmd(cctx, "Protocol", "ALL");
2087 SSL_CONF_CTX_finish(cctx);
2088 SSL_CONF_CTX_free(cctx);
2094 link_check rand_egd 'OpenSSL RAND_egd(3ssl)' \
2095 '#define HAVE_OPENSSL_RAND_EGD' << \!
2096 #include <openssl/rand.h>
2098 return RAND_egd("some.where") > 0;
2102 if feat_yes SSL_ALL_ALGORITHMS; then
2103 if link_check ssl_all_algo 'OpenSSL all-algorithms support' \
2104 '#define HAVE_SSL_ALL_ALGORITHMS' << \!
2105 #include <openssl/evp.h>
2107 OpenSSL_add_all_algorithms();
2108 EVP_get_cipherbyname("two cents i never exist");
2116 feat_bail_required SSL_ALL_ALGORITHMS
2118 fi # SSL_ALL_ALGORITHMS
2120 if feat_yes MD5 && feat_no NOEXTMD5; then
2121 run_check openssl_md5 'MD5 digest in OpenSSL' \
2122 '#define HAVE_OPENSSL_MD5' << \!
2125 #include <openssl/md5.h>
2127 char const dat[] = "abrakadabrafidibus";
2128 char dig[16], hex[16 * 2];
2132 memset(dig, 0, sizeof(dig));
2133 memset(hex, 0, sizeof(hex));
2135 MD5_Update(&ctx, dat, sizeof(dat) - 1);
2136 MD5_Final(dig, &ctx);
2138 #define hexchar(n) ((n) > 9 ? (n) - 10 + 'a' : (n) + '0')
2139 for(i = 0; i < sizeof(hex) / 2; i++){
2141 hex[j] = hexchar((dig[i] & 0xf0) >> 4);
2142 hex[++j] = hexchar(dig[i] & 0x0f);
2144 return !!memcmp("6d7d0a3d949da2e96f2aa010f65d8326", hex, sizeof(hex));
2147 fi # feat_yes MD5 && feat_no NOEXTMD5
2150 echo '/* OPT_SSL=0 */' >> ${h}
2153 if [ "${have_openssl}" = 'yes' ]; then
2159 if feat_yes SMTP; then
2160 echo '#define HAVE_SMTP' >> ${h}
2162 echo '/* OPT_SMTP=0 */' >> ${h}
2165 if feat_yes POP3; then
2166 echo '#define HAVE_POP3' >> ${h}
2168 echo '/* OPT_POP3=0 */' >> ${h}
2171 if feat_yes GSSAPI; then
2172 ${cat} > ${tmp2}.c << \!
2173 #include <gssapi/gssapi.h>
2175 gss_import_name(0, 0, GSS_C_NT_HOSTBASED_SERVICE, 0);
2176 gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
2180 ${sed} -e '1s/gssapi\///' < ${tmp2}.c > ${tmp3}.c
2182 if command -v krb5-config >/dev/null 2>&1; then
2183 i=`command -v krb5-config
`
2184 GSS_LIBS="`CFLAGS
= ${i} --libs gssapi
`"
2185 GSS_INCS="`CFLAGS
= ${i} --cflags`"
2186 i='GSS-API via krb5-config(1)'
2190 i='GSS-API in gssapi/gssapi.h, libgssapi'
2192 if < ${tmp2}.c link_check gss \
2193 "${i}" '#define HAVE_GSSAPI' "${GSS_LIBS}" "${GSS_INCS}" ||\
2194 < ${tmp3}.c link_check gss \
2195 'GSS-API in gssapi.h, libgssapi' \
2196 '#define HAVE_GSSAPI
2197 #define GSSAPI_REG_INCLUDE' \
2199 < ${tmp2}.c link_check gss 'GSS-API in libgssapi_krb5' \
2200 '#define HAVE_GSSAPI' \
2202 < ${tmp3}.c link_check gss \
2203 'GSS-API in libgssapi, OpenBSD-style (pre 5.3)' \
2204 '#define HAVE_GSSAPI
2205 #define GSS_REG_INCLUDE' \
2206 '-lgssapi -lkrb5 -lcrypto' \
2207 '-I/usr/include/kerberosV' ||\
2208 < ${tmp2}.c link_check gss 'GSS-API in libgss' \
2209 '#define HAVE_GSSAPI' \
2211 link_check gss 'GSS-API in libgssapi_krb5, old-style' \
2212 '#define HAVE_GSSAPI
2213 #define GSSAPI_OLD_STYLE' \
2214 '-lgssapi_krb5' << \!
2215 #include <gssapi/gssapi.h>
2216 #include <gssapi/gssapi_generic.h>
2218 gss_import_name(0, 0, gss_nt_service_name, 0);
2219 gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
2226 feat_bail_required GSSAPI
2229 echo '/* OPT_GSSAPI=0 */' >> ${h}
2230 fi # feat_yes GSSAPI
2232 if feat_yes NETRC; then
2233 echo '#define HAVE_NETRC' >> ${h}
2235 echo '/* OPT_NETRC=0 */' >> ${h}
2238 if feat_yes AGENT; then
2239 echo '#define HAVE_AGENT' >> ${h}
2241 echo '/* OPT_AGENT=0 */' >> ${h}
2244 if feat_yes IDNA; then
2245 if link_check idna 'GNU Libidn' '#define HAVE_IDNA HAVE_IDNA_LIBIDNA' \
2248 #include <idn-free.h>
2249 #include <stringprep.h>
2251 char *utf8, *idna_ascii, *idna_utf8;
2253 utf8 = stringprep_locale_to_utf8("does.this.work");
2254 if (idna_to_ascii_8z(utf8, &idna_ascii, IDNA_USE_STD3_ASCII_RULES)
2257 idn_free(idna_ascii);
2258 /* (Rather link check only here) */
2259 idna_utf8 = stringprep_convert(idna_ascii, "UTF-8", "de_DE");
2265 elif link_check idna 'idnkit' '#define HAVE_IDNA HAVE_IDNA_IDNKIT' \
2268 #include <idn/api.h>
2269 #include <idn/result.h>
2273 char local_name[256];
2275 r = idn_encodename(IDN_ENCODE_APP, "does.this.work", ace_name,
2277 if (r != idn_success) {
2278 fprintf(stderr, "idn_encodename failed: %s\n", idn_result_tostring(r));
2281 r = idn_decodename(IDN_DECODE_APP, ace_name, local_name, sizeof(local_name));
2282 if (r != idn_success) {
2283 fprintf(stderr, "idn_decodename failed: %s\n", idn_result_tostring(r));
2292 feat_bail_required IDNA
2295 if [ -n "${have_idna}" ]; then
2296 echo '#define HAVE_IDNA_LIBIDNA 0' >> ${h}
2297 echo '#define HAVE_IDNA_IDNKIT 1' >> ${h}
2300 echo '/* OPT_IDNA=0 */' >> ${h}
2303 if feat_yes IMAP_SEARCH; then
2304 echo '#define HAVE_IMAP_SEARCH' >> ${h}
2306 echo '/* OPT_IMAP_SEARCH=0 */' >> ${h}
2309 if feat_yes REGEX; then
2310 if link_check regex 'regular expressions' '#define HAVE_REGEX' << \!
2317 if (regcomp(&re, ".*bsd", REG_EXTENDED | REG_ICASE | REG_NOSUB) != 0)
2319 status = regexec(&re, "plan9", 0,NULL, 0);
2321 return !(status == REG_NOMATCH);
2327 feat_bail_required REGEX
2330 echo '/* OPT_REGEX=0 */' >> ${h}
2333 if feat_yes MLE && [ -n "${have_c90amend1}" ]; then
2335 echo '#define HAVE_MLE' >> ${h}
2337 feat_bail_required MLE
2338 echo '/* OPT_MLE=0 */' >> ${h}
2341 # Generic have-a-line-editor switch for those who need it below
2342 if [ -n "${have_mle}" ]; then
2346 if [ -n "${have_cle}" ] && feat_yes HISTORY; then
2347 echo '#define HAVE_HISTORY' >> ${h}
2349 echo '/* OPT_HISTORY=0 */' >> ${h}
2352 if [ -n "${have_mle}" ] && feat_yes KEY_BINDINGS; then
2353 echo '#define HAVE_KEY_BINDINGS' >> ${h}
2355 echo '/* OPT_KEY_BINDINGS=0 */' >> ${h}
2358 if feat_yes TERMCAP; then
2360 link_check termcap "termcap(5) (via ${4})" \
2361 "#define HAVE_TERMCAP${3}" "${1}" << _EOT
2366 #define UNCONST(P) ((void*)(unsigned long)(void const*)(P))
2367 static int my_putc(int c){return putchar(c);}
2369 char buf[1024+512], cmdbuf[2048], *cpb, *r1;
2370 int r2 = OK, r3 = ERR;
2372 tgetent(buf, getenv("TERM"));
2374 r1 = tgetstr(UNCONST("cm"), &cpb);
2376 r2 = tgetnum(UNCONST("Co"));
2377 r3 = tgetflag(UNCONST("ut"));
2378 tputs("cr", 1, &my_putc);
2379 return (r1 == NULL || r2 == -1 || r3 == 0);
2385 link_check terminfo "terminfo(5) (via ${2})" \
2386 '#define HAVE_TERMCAP
2387 #define HAVE_TERMCAP_CURSES
2388 #define HAVE_TERMINFO' "${1}" << _EOT
2392 #define UNCONST(P) ((void*)(unsigned long)(void const*)(P))
2393 static int my_putc(int c){return putchar(c);}
2399 r0 = setupterm(NULL, 1, &er);
2400 r1 = tigetflag(UNCONST("bce"));
2401 r2 = tigetnum(UNCONST("colors"));
2402 r3 = tigetstr(UNCONST("cr"));
2403 tp = tparm(r3, NULL);
2404 tputs(tp, 1, &my_putc);
2405 return (r0 == ERR || r1 == -1 || r2 == -2 || r2 == -1 ||
2406 r3 == (char*)-1 || r3 == NULL);
2411 if feat_yes TERMCAP_VIA_TERMINFO; then
2412 __terminfolib -ltinfo -ltinfo ||
2413 __terminfolib -lcurses -lcurses ||
2414 __terminfolib -lcursesw -lcursesw ||
2415 feat_bail_required TERMCAP_VIA_TERMINFO
2418 if [ -z "${have_terminfo}" ]; then
2419 __termcaplib -ltermcap '' '' '-ltermcap' ||
2420 __termcaplib -ltermcap '#include <curses.h>' '
2421 #define HAVE_TERMCAP_CURSES' \
2422 'curses.h / -ltermcap' ||
2423 __termcaplib -lcurses '#include <curses.h>' '
2424 #define HAVE_TERMCAP_CURSES' \
2425 'curses.h / -lcurses' ||
2426 __termcaplib -lcursesw '#include <curses.h>' '
2427 #define HAVE_TERMCAP_CURSES' \
2428 'curses.h / -lcursesw' ||
2429 feat_bail_required TERMCAP
2431 if [ -n "${have_termcap}" ]; then
2432 run_check tgetent_null \
2433 "tgetent(3) of termcap(5) takes NULL buffer" \
2434 "#define HAVE_TGETENT_NULL_BUF" << _EOT
2435 #include <stdio.h> /* For C89 NULL */
2437 #ifdef HAVE_TERMCAP_CURSES
2438 # include <curses.h>
2442 tgetent(NULL, getenv("TERM"));
2449 echo '/* OPT_TERMCAP=0 */' >> ${h}
2450 echo '/* OPT_TERMCAP_VIA_TERMINFO=0 */' >> ${h}
2453 if feat_yes SPAM_SPAMC; then
2454 echo '#define HAVE_SPAM_SPAMC' >> ${h}
2455 if command -v spamc >/dev/null 2>&1; then
2456 echo "#define SPAM_SPAMC_PATH \"`command -v spamc
`\"" >> ${h}
2459 echo '/* OPT_SPAM_SPAMC=0 */' >> ${h}
2462 if feat_yes SPAM_SPAMD && [ -n "${have_af_unix}" ]; then
2463 echo '#define HAVE_SPAM_SPAMD' >> ${h}
2465 feat_bail_required SPAM_SPAMD
2466 echo '/* OPT_SPAM_SPAMD=0 */' >> ${h}
2469 feat_def SPAM_FILTER
2471 if feat_yes SPAM_SPAMC || feat_yes SPAM_SPAMD || feat_yes SPAM_FILTER; then
2472 echo '#define HAVE_SPAM' >> ${h}
2474 echo '/* HAVE_SPAM */' >> ${h}
2477 if feat_yes QUOTE_FOLD &&\
2478 [ -n "${have_c90amend1}" ] && [ -n "${have_wcwidth}" ]; then
2479 echo '#define HAVE_QUOTE_FOLD' >> ${h}
2481 feat_bail_required QUOTE_FOLD
2482 echo '/* OPT_QUOTE_FOLD=0 */' >> ${h}
2485 feat_def FILTER_HTML_TAGSOUP
2494 squeeze_em ${inc} ${tmp}
2496 squeeze_em ${lib} ${tmp}
2501 printf '#ifndef n_CONFIG_H\n# define n_CONFIG_H 1\n' > ${h}
2502 ${cat} ${tmp} >> ${h}
2506 # Create the real mk.mk
2507 # Note we cannout use explicit ./ filename prefix for source and object
2508 # pathnames because of a bug in bmake(1)
2509 ${rm} -rf ${tmp0}.* ${tmp0}*
2510 printf 'OBJ_SRC = ' >> ${mk}
2511 if feat_no AMALGAMATION; then
2512 for i in `printf '%s\n' *.c |
${sort}`; do
2513 if [ "${i}" = privsep.c ]; then
2516 printf "${i} " >> ${mk}
2518 printf '\nAMALGAM_TARGET =\nAMALGAM_DEP =\n' >> ${mk}
2520 printf 'main.c\nAMALGAM_TARGET = main.o\nAMALGAM_DEP = ' >> ${mk}
2522 printf '\n/* HAVE_AMALGAMATION: include sources */\n' >> ${h}
2523 printf '#elif _CONFIG_H + 0 == 1\n' >> ${h}
2524 printf '# undef _CONFIG_H\n' >> ${h}
2525 printf '# define _CONFIG_H 2\n' >> ${h}
2526 for i in `printf '%s\n' *.c |
${sort}`; do
2527 if [ "${i}" = "${j}" ] || [ "${i}" = main.c ] || \
2528 [ "${i}" = privsep.c ]; then
2531 printf "${i} " >> ${mk}
2532 printf "# include \"${i}\"\n" >> ${h}
2535 # tcc(1) fails on 2015-11-13 unless this #else clause existed
2536 echo '#else' >> ${h}
2539 # Finally, create the string that is used by *feature* and `version
'.
2540 # Take this nice opportunity and generate a visual listing of included and
2541 # non-included features for the person who runs the configuration
2542 msg '\nThe following features are included
(+) or not
(-):'
2543 set -- ${OPTIONS_DETECT} ${OPTIONS} ${OPTIONS_XTRA}
2544 printf '/* The
"feature string" */\n' >> ${h}
2545 # Because + is expanded by *folder* if first in "echo $features", put something
2546 printf '#define VAL_FEATURES_CNT '${#}'\n#define VAL_FEATURES "#' >> ${h}
2550 sopt
="`echo ${opt} | ${tr} '[A-Z]_' '[a-z]-'`"
2551 feat_yes
${opt} && sign
=+ || sign
=-
2552 printf -- "${sep}${sign}${sopt}" >> ${h}
2554 i=`option_doc_of ${opt}`
2555 [ -z "${i}" ] && continue
2556 msg " %s
%s
: %s
" ${sign} ${sopt} "${i}"
2558 # TODO instead of using sh+tr+awk+printf, use awk, drop option_doc_of, inc here
2560 #${awk} -v opts="${OPTIONS_DETECT} ${OPTIONS} ${OPTIONS_XTRA}" \
2561 # -v xopts="${XOPTIONS_DETECT} ${XOPTIONS} ${XOPTIONS_XTRA}" \
2562 printf '"\n#endif /* n_CONFIG_H */\n' >> ${h}
2564 echo "LIBS = `${cat} ${lib}`" >> ${mk}
2565 echo "INCS
= `${cat} ${inc}`" >> ${mk}
2567 ${cat} ./mk-mk.in >> ${mk}
2572 msg ' . System-wide resource file: %s/%s' "${VAL_SYSCONFDIR}" "${VAL_SYSCONFRC}"
2573 msg ' . bindir: %s' "${VAL_BINDIR}"
2574 if feat_yes DOTLOCK; then
2575 msg ' . libexecdir: %s' "${VAL_LIBEXECDIR}"
2577 msg ' . mandir: %s' "${VAL_MANDIR}"
2578 msg ' . M(ail)T(ransfer)A(gent): %s (argv0 %s)' "${VAL_MTA}" "${VAL_MTA_ARGV0}"
2579 msg ' . $MAIL spool directory: %s' "${VAL_MAIL}"
2582 if [ -n "${have_fnmatch}" ] && [ -n "${have_fchdir}" ]; then
2586 if [ -z "${have_fnmatch}" ]; then
2587 msg ' . The function fnmatch(3) could not be found.'
2588 msg ' Filename patterns like wildcard are not supported on your system'
2590 if [ -z "${have_fchdir}" ]; then
2591 msg ' . The function fchdir(2) could not be found.'
2592 msg ' We will use chdir(2) instead.'
2593 msg ' This is a problem only if the current working directory is changed'
2594 msg ' while this program is inside of it'