2 #@ Please see INSTALL and make.rc instead.
9 # The feature set, to be kept in sync with make.rc
10 # If no documentation given, the option is used as such; if doc is a hyphen,
11 # entry is suppressed when configuration overview is printed, and also in the
12 # *features* string: most likely for obsolete features etc.
14 ICONV='Character set conversion using iconv(3)' \
15 SOCKETS='Network support' \
16 SSL='SSL/TLS (OpenSSL / LibreSSL)' \
17 SSL_ALL_ALGORITHMS='Support of all digest and cipher algorithms' \
18 SMTP='Simple Mail Transfer Protocol client' \
19 POP3='Post Office Protocol Version 3 client' \
20 IMAP='IMAP v4r1 client' \
21 GSSAPI='Generic Security Service authentication' \
22 NETRC='.netrc file support' \
24 MD5='MD5 message digest (APOP, CRAM-MD5)' \
25 IDNA='Internationalized Domain Names for Applications (encode only)' \
26 IMAP_SEARCH='IMAP-style search expressions' \
27 REGEX='Regular expressions' \
28 MLE='Mailx Line Editor' \
29 HISTORY='Line editor history management' \
30 KEY_BINDINGS='Configurable key bindings' \
31 TERMCAP='Terminal capability queries (termcap(5))' \
32 TERMCAP_VIA_TERMINFO='Terminal capability queries use terminfo(5)' \
33 ERRORS='Error log message ring' \
34 SPAM_SPAMC='Spam management via spamc(1) of spamassassin(1)' \
36 SPAM_FILTER='Freely configurable *spam-filter-..*s' \
37 DOCSTRINGS='Command documentation help strings' \
38 QUOTE_FOLD='Extended *quote-fold*ing' \
39 FILTER_HTML_TAGSOUP='Simple built-in HTML-to-text display filter' \
40 COLOUR='Coloured message display' \
41 DOTLOCK='Dotlock files and privilege-separated dotlock program' \
44 # Options which are automatically deduced from host environment, i.e., these
45 # need special treatment all around here to warp from/to OPT_ stuff
46 # setlocale, C90AMEND1, NL_LANGINFO, wcwidth
48 LOCALES='Locale support - printable characters etc. depend on environment' \
49 MULTIBYTE_CHARSETS='Multibyte character sets' \
50 TERMINAL_CHARSET='Automatic detection of terminal character set' \
51 WIDE_GLYPHS='Wide glyph support' \
54 # Rather special options, for custom building, or which always exist.
55 # Mostly for generating the visual overview and the *features* string
57 MIME='Multipurpose Internet Mail Extensions' \
58 SMIME='S/MIME message signing, verification, en- and decryption' \
59 CROSS_BUILD='Cross-compilation: trust any detected environment' \
60 DEBUG='Debug enabled binary, not for end-users: THANKS!' \
61 DEVEL='Computers do not blunder' \
64 # The problem is that we don't have any tools we can use right now, so
65 # encapsulate stuff in functions which get called in right order later on
81 OPT_DOTLOCK
=require OPT_ICONV
=require OPT_REGEX
=require
85 option_parse OPTIONS_DETECT
"${XOPTIONS_DETECT}"
86 option_parse OPTIONS
"${XOPTIONS}"
87 option_parse OPTIONS_XTRA
"${XOPTIONS_XTRA}"
90 # Predefined CONFIG= urations take precedence over anything else
91 if [ -n "${CONFIG}" ]; then
99 [mM
][iI
][nN
][iI
][mM
][aA
][lL
])
100 OPT_DOTLOCK
=require OPT_ICONV
=require OPT_REGEX
=require
106 OPT_HISTORY
=1 OPT_KEY_BINDINGS
=1
109 [nN
][eE
][tT
][sS
][eE
][nN
][dD
])
110 OPT_DOTLOCK
=require OPT_ICONV
=require OPT_REGEX
=require
114 OPT_GSSAPI
=1 OPT_NETRC
=1
121 OPT_HISTORY
=1 OPT_KEY_BINDINGS
=1
124 [mM
][aA
][xX
][iI
][mM
][aA
][lL
])
127 [dD
][eE
][vV
][eE
][lL
])
129 OPT_DEVEL
=1 OPT_DEBUG
=1 OPT_NYD2
=1
131 [oO
][dD
][eE
][vV
][eE
][lL
])
136 echo >&2 "Unknown CONFIG= setting: ${CONFIG}"
137 echo >&2 ' NULL, NULLI, MINIMAL, NETSEND, MAXIMAL'
141 msg_nonl
"CONFIG=${CONFIG} ... "
145 # Inter-relationships
147 if feat_no SMTP
&& feat_no POP3
&& feat_no IMAP
; then
150 if feat_no SOCKETS
; then
151 if feat_require SMTP
; then
152 msg
'ERROR: need SOCKETS for required feature SMTP'
155 if feat_require POP3
; then
156 msg
'ERROR: need SOCKETS for required feature POP3'
159 if feat_require IMAP
; then
160 msg
'ERROR: need SOCKETS for required feature IMAP'
163 OPT_SSL
=0 OPT_SSL_ALL_ALGORITHMS
=0
164 OPT_SMTP
=0 OPT_POP3
=0 OPT_IMAP
=0
165 OPT_GSSAPI
=0 OPT_NETRC
=0 OPT_AGENT
=0
167 if feat_no SMTP
&& feat_no IMAP
; then
171 if feat_no ICONV
; then
172 if feat_yes IMAP
; then
173 if feat_require IMAP
; then
174 msg
'ERROR: need ICONV for required feature IMAP'
177 msg
'ERROR: disabling IMAP due to missing ICONV'
181 if feat_yes IDNA
; then
182 if feat_require IDNA
; then
183 msg
'ERROR: need ICONV for required feature IDNA'
186 msg
'ERROR: disabling IDNA due to missing ICONV'
192 OPT_HISTORY
=0 OPT_KEY_BINDINGS
=0
195 # If we don't need MD5 leave it alone
196 if feat_no SOCKETS
; then
200 if feat_no TERMCAP
; then
201 OPT_TERMCAP_VIA_TERMINFO
=0
204 if feat_yes DEVEL
; then
212 h
=.
/mk-config.h h_name
=mk-config.h
215 newlst
=.
/mk-nconfig.lst
216 newmk
=.
/mk-nconfig.mk
217 newev
=.
/mk-nconfig.ev
223 ## -- >8 - << OPTIONS | OS/CC >> - 8< -- ##
225 # Note that potential duplicates in PATH, C_INCLUDE_PATH etc. will be cleaned
226 # via path_check() later on once possible
228 # TODO cc_maxopt is brute simple, we should compile test program and dig real
229 # compiler versions for known compilers, then be more specific
234 # We don't "have any utility": only path adjustments and such in here!
235 i
="${OS:-`uname -s`}"
237 if [ ${i} = SunOS
]; then
238 msg
'SunOS / Solaris? Applying some "early setup" rules ...'
239 _os_early_setup_sunos
243 _os_early_setup_sunos
() {
244 # According to standards(5), this is what we need to do
245 if [ -d /usr
/xpg4
]; then :; else
246 msg
'ERROR: On SunOS / Solaris we need /usr/xpg4 environment! Sorry.'
249 PATH
="/usr/xpg4/bin:/usr/ccs/bin:/usr/bin:${PATH}"
250 [ -d /usr
/xpg6
] && PATH
="/usr/xpg6/bin:${PATH}"
255 # OSENV ends up in *build-osenv*
256 # OSFULLSPEC is used to recognize changes (i.e., machine type, updates etc.)
257 : ${OS:=`uname -s | ${tr} '[A-Z]' '[a-z]'`}
258 : ${OSENV:=`uname -srm`}
259 : ${OSFULLSPEC:=`uname -a`}
260 msg
'Operating system is %s' ${OS}
262 if [ ${OS} = darwin
]; then
263 msg
' . have special Darwin environmental addons...'
264 LD_LIBRARY_PATH
=${LD_LIBRARY_PATH}:${DYLD_LIBRARY_PATH}
265 elif [ ${OS} = sunos
]; then
266 msg
' . have special SunOS / Solaris "setup" rules ...'
268 elif [ ${OS} = unixware
]; then
269 if feat_yes AUTOCC
&& command -v cc
>/dev
/null
2>&1; then
270 msg
' . have special UnixWare environmental rules ...'
272 feat_yes DEBUG
&& _CFLAGS
='-v -Xa -g' || _CFLAGS
='-Xa -O'
274 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
275 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
276 export CC CFLAGS LDFLAGS
277 OPT_AUTOCC
=0 had_want_autocc
=1 need_R_ldflags
=-R
279 elif [ -n "${VERBOSE}" ]; then
280 msg
' . no special treatment for this system necessary or known'
283 # Sledgehammer: better set _GNU_SOURCE
284 # And in general: oh, boy!
285 OS_DEFINES
="${OS_DEFINES}#define _GNU_SOURCE\n"
286 #OS_DEFINES="${OS_DEFINES}#define _POSIX_C_SOURCE 200809L\n"
287 #OS_DEFINES="${OS_DEFINES}#define _XOPEN_SOURCE 700\n"
288 #[ ${OS} = darwin ] && OS_DEFINES="${OS_DEFINES}#define _DARWIN_C_SOURCE\n"
290 # On pkgsrc(7) systems automatically add /usr/pkg/*
291 if [ -d /usr
/pkg
]; then
292 C_INCLUDE_PATH
=/usr
/pkg
/include
:${C_INCLUDE_PATH}
293 LD_LIBRARY_PATH
=/usr
/pkg
/lib
:${LD_LIBRARY_PATH}
298 C_INCLUDE_PATH
=/usr
/xpg
4/include
:${C_INCLUDE_PATH}
299 LD_LIBRARY_PATH
=/usr
/xpg
4/lib
:${LD_LIBRARY_PATH}
302 if [ -d /opt
/csw
]; then
303 C_INCLUDE_PATH
=/opt
/csw
/include
:${C_INCLUDE_PATH}
304 LD_LIBRARY_PATH
=/opt
/csw
/lib
:${LD_LIBRARY_PATH}
307 OS_DEFINES
="${OS_DEFINES}#define __EXTENSIONS__\n"
308 #OS_DEFINES="${OS_DEFINES}#define _POSIX_C_SOURCE 200112L\n"
310 [ -n "${cksum}" ] ||
cksum=/opt
/csw
/gnu
/cksum
311 if [ -x "${cksum}" ]; then :; else
312 msg
'ERROR: Not an executable program: %s' "${cksum}"
313 msg
'ERROR: We need a CRC-32 cksum(1), as specified in POSIX.'
314 msg
'ERROR: However, we do so only for tests.'
315 msg
'ERROR: If that is ok, set "cksum=/usr/bin/true", then rerun'
319 if feat_yes AUTOCC
; then
320 if command -v cc
>/dev
/null
2>&1; then
322 feat_yes DEBUG
&& _CFLAGS
="-v -Xa -g" || _CFLAGS
="-Xa -O"
324 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
325 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
326 export CC CFLAGS LDFLAGS
327 OPT_AUTOCC
=0 had_want_autocc
=1 need_R_ldflags
=-R
329 # Assume gcc(1), which supports -R for compat
330 cc_maxopt
=2 force_no_stackprot
=1 need_R_ldflags
=-Wl,-R
335 # Check out compiler ($CC) and -flags ($CFLAGS)
337 # Even though it belongs into cc_flags we will try to compile and link
338 # something, so ensure we have a clean state regarding CFLAGS/LDFLAGS or
339 # EXTRA_CFLAGS/EXTRA_LDFLAGS
340 if feat_no AUTOCC
; then
342 # Ensure those don't do any harm
343 EXTRA_CFLAGS
= EXTRA_LDFLAGS
=
344 export EXTRA_CFLAGS EXTRA_LDFLAGS
348 export CFLAGS LDFLAGS
351 [ -n "${CC}" ] && [ "${CC}" != cc ] && { _cc_default; return; }
353 msg_nonl 'Searching for a usable C compiler .. $CC='
354 if { i="`command -v clang`"; }; then
356 elif { i="`command -v gcc`"; }; then
358 elif { i="`command -v c99`"; }; then
360 elif { i="`command -v tcc`"; }; then
362 elif { i="`command -v pcc`"; }; then
365 if [ "${CC}" = cc ]; then
367 elif { i="`command -v c89`"; }; then
370 msg 'boing booom tschak'
371 msg 'ERROR: I cannot find a compiler!'
372 msg ' Neither of clang(1), gcc(1), tcc(1), pcc(1), c89(1) and c99(1).'
373 msg ' Please set ${CC} environment variable, maybe ${CFLAGS}, rerun.'
382 if [ -z "${CC}" ]; then
383 msg 'To go on like you have chosen, please set $CC, rerun.'
387 if [ -z "${VERBOSE}" ] && [ -f ${lst} ] && feat_no DEBUG; then
390 msg 'Using C compiler ${CC}=%s' "${CC}"
395 if feat_yes AUTOCC; then
396 if [ -f ${lst} ] && feat_no DEBUG && [ -z "${VERBOSE}" ]; then
398 msg 'Detecting ${CFLAGS}/${LDFLAGS} for ${CC}=%s, just a second..' \
402 msg 'Testing usable ${CFLAGS}/${LDFLAGS} for ${CC}=%s' "${CC}"
405 i
=`echo "${CC}" | ${awk} 'BEGIN{FS="/"}{print $NF}'`
406 if { echo "${i}" | ${grep} tcc; } >/dev/null 2>&1; then
407 msg ' . have special tcc(1) environmental rules ...'
410 # As of pcc CVS 2016-04-02, stack protection support is announced but
411 # will break if used on Linux
412 if { echo "${i}" | ${grep} pcc; } >/dev
/null
2>&1; then
418 feat_no DEBUG
&& _CFLAGS
="-DNDEBUG ${_CFLAGS}"
419 CFLAGS
="${_CFLAGS} ${EXTRA_CFLAGS}"
420 LDFLAGS
="${_LDFLAGS} ${EXTRA_LDFLAGS}"
422 if feat_no DEBUG
; then
423 CFLAGS
="-DNDEBUG ${CFLAGS}"
427 export CFLAGS LDFLAGS
431 __cflags
=${_CFLAGS} __ldflags
=${_LDFLAGS}
438 if feat_yes DEBUG
; then
439 # May have problems to find libtcc cc_check -b
443 if ld_check
-Wl,-rpath =.
/ no
; then
444 need_R_ldflags
=-Wl,-rpath=
445 ld_check
-Wl,--enable-new-dtags
446 ld_runtime_flags
# update!
449 _CFLAGS
="${_CFLAGS} ${__cflags}" _LDFLAGS="${_LDFLAGS} ${__ldflags}"
450 unset __cflags __ldflags
453 _cc_flags_generic
() {
454 __cflags
=${_CFLAGS} __ldflags
=${_LDFLAGS}
456 feat_yes DEVEL
&& cc_check
-std=c89 || cc_check
-std=c99
458 # E.g., valgrind does not work well with high optimization
459 if [ ${cc_maxopt} -gt 1 ] && feat_yes NOMEMDBG
&&
460 feat_no ASAN_ADDRESS
&& feat_no ASAN_MEMORY
; then
461 msg
'OP_NOMEMDBG, setting cc_maxopt=1 (-O1)'
464 # Check -g first since some others may rely upon -g / optim. level
465 if feat_yes DEBUG
; then
468 elif [ ${cc_maxopt} -gt 2 ] && cc_check
-O3; then
470 elif [ ${cc_maxopt} -gt 1 ] && cc_check
-O2; then
472 elif [ ${cc_maxopt} -gt 0 ] && cc_check
-O1; then
478 if feat_yes AMALGAMATION
; then
482 #if feat_yes DEVEL && cc_check -Weverything; then
487 cc_check
-Wbad-function-cast
488 cc_check
-Wcast-align
491 cc_check
-Wmissing-prototypes
494 cc_check
-Wwrite-strings
495 cc_check
-Wno-long-long
499 if feat_yes AMALGAMATION
&& feat_no DEVEL
; then
500 cc_check
-Wno-unused-function
502 feat_no DEVEL
&& cc_check
-Wno-unused-result # XXX do right way (pragma too)
504 cc_check
-fno-unwind-tables
505 cc_check
-fno-asynchronous-unwind-tables
506 cc_check
-fstrict-aliasing
507 if cc_check
-fstrict-overflow && feat_yes DEVEL
; then
508 cc_check
-Wstrict-overflow=5
511 if feat_yes DEBUG || feat_yes FORCED_STACKPROT
; then
512 if [ -z "${force_no_stackprot}" ]; then
513 if cc_check
-fstack-protector-strong ||
514 cc_check
-fstack-protector-all; then
515 cc_check
-D_FORTIFY_SOURCE=2
518 msg
'Not checking for -fstack-protector compiler option,'
519 msg
'since that caused errors in a "similar" configuration.'
520 msg
'You may turn off OPT_AUTOCC and use your own settings, rerun'
524 # LD (+ dependend CC)
526 if feat_yes ASAN_ADDRESS
; then
528 if cc_check
-fsanitize=address
&&
529 ld_check
-fsanitize=address
; then
532 feat_bail_required ASAN_ADDRESS
537 if feat_yes ASAN_MEMORY
; then
539 if cc_check
-fsanitize=memory
&&
540 ld_check
-fsanitize=memory
&&
541 cc_check
-fsanitize-memory-track-origins=2 &&
542 ld_check
-fsanitize-memory-track-origins=2; then
545 feat_bail_required ASAN_MEMORY
550 ld_check
-Wl,-z,relro
552 ld_check
-Wl,-z,noexecstack
553 if ld_check
-Wl,-rpath =.
/ no
; then
554 need_R_ldflags
=-Wl,-rpath=
555 # Choose DT_RUNPATH (after $LD_LIBRARY_PATH) over DT_RPATH (before)
556 ld_check
-Wl,--enable-new-dtags
557 ld_runtime_flags
# update!
558 elif ld_check
-Wl,-R .
/ no
; then
559 need_R_ldflags
=-Wl,-R
560 ld_check
-Wl,--enable-new-dtags
561 ld_runtime_flags
# update!
564 # Address randomization
566 if cc_check
-fPIE || cc_check
-fpie; then
567 ld_check
-pie || _CFLAGS
=${_ccfg}
571 _CFLAGS
="${_CFLAGS} ${__cflags}" _LDFLAGS="${_LDFLAGS} ${__ldflags}"
572 unset __cflags __ldflags
575 ## -- >8 - <<OS/CC | SUPPORT FUNS>> - 8< -- ##
578 ## - Heirloom sh(1) (and same origin) have _sometimes_ problems with ': >'
579 ## redirection, so use "printf '' >" instead
581 ## Very first: we undergo several states regarding I/O redirection etc.,
582 ## but need to deal with option updates from within all. Since all the
583 ## option stuff should be above the scissor line, define utility functions
584 ## and redefine them as necessary.
585 ## And, since we have those functions, simply use them for whatever
594 printf >&2 -- "${fmt}\\n" "${@}"
600 printf >&2 -- "${fmt}" "${@}"
603 t1
=ten10one1ten10one1
604 if ( [ ${t1##*ten10} = one1
] && [ ${t1#*ten10} = one1ten10one1
] &&
605 [ ${t1%%one1*} = ten10
] && [ ${t1%one1*} = ten10one1ten10
]
606 ) > /dev
/null
2>&1; then
613 # We need some standard utilities
616 n
=${1} i=${2} opt=${3:-0}
617 # Evaluate, just in case user comes in with shell snippets (..well..)
619 if type "${i}" >/dev
/null
2>&1; then # XXX why have i type not command -v?
620 [ -n "${VERBOSE}" ] && msg ' . ${%s} ... %s' "${n}" "${i}"
624 if [ ${opt} -eq 0 ]; then
625 msg
'ERROR: no trace of utility %s' "${n}"
631 # Our feature check environment
633 [ "x${1}" = x0
] ||
[ "x${1}" = xn
] ||
634 [ "x${1}" = xfalse ] || [ "x${1}" = xno ] || [ "x${1}" = xoff
]
638 [ "x${1}" = x1
] ||
[ "x${1}" = xy
] ||
639 [ "x${1}" = xtrue ] || [ "x${1}" = xyes ] || [ "x${1}" = xon
] ||
640 [ "x${1}" = xrequire
]
644 [ "x${1}" = xrequire
]
649 i
="`echo ${i} | ${tr} '[A-Z]' '[a-z]'`"
650 if feat_val_no
"${i}"; then
652 elif feat_val_yes
"${i}"; then
655 msg
"ERROR: %s: 0/n/false/no/off or 1/y/true/yes/on/require, got: %s" \
666 _feat_check
${1} && return 1
672 i
="`echo ${i} | ${tr} '[A-Z]' '[a-z]'`"
673 [ "x${i}" = xrequire
] ||
[ "x${i}" = xrequired
]
676 feat_bail_required
() {
677 if feat_require
${1}; then
678 msg
'ERROR: feature OPT_%s is required but not available' "${1}"
682 option_update
# XXX this is rather useless here (dependency chain..)
686 # Parse one of our XOPTIONS* in $2 and assign the sh(1) compatible list of
687 # options, without documentation, to $1
689 i
="`${awk} -v input=\"${2}\" '
692 voff = match(input, /[[:alnum:]_]+(='${j}'[^'${j}']+)?/)
695 v = substr(input, voff, RLENGTH)
696 input = substr(input, voff + RLENGTH)
699 d = substr(v, doff + 2, length(v) - doff - 1)
700 v = substr(v, 1, doff - 1)
710 # Return the "documentation string" for option $1, itself if none such
712 ${awk} -v want
="${1}" \
713 -v input
="${XOPTIONS_DETECT}${XOPTIONS}${XOPTIONS_XTRA}" '
716 voff = match(input, /[[:alnum:]_]+(='${j}'[^'${j}']+)?/)
719 v = substr(input, voff, RLENGTH)
720 input = substr(input, voff + RLENGTH)
723 d = substr(v, doff + 2, length(v) - doff - 1)
724 v = substr(v, 1, doff - 1)
738 # Join the values from make.rc into what currently is defined, not
739 # overwriting yet existing settings
741 # We want read(1) to perform reverse solidus escaping in order to be able to
742 # use multiline values in make.rc; the resulting sh(1)/sed(1) code was very
743 # slow in VMs (see [fa2e248]), Aharon Robbins suggested the following
744 < ${rc} ${awk} 'BEGIN{line = ""}{
745 gsub
(/^
[[:space
:]]+/, "", $0)
746 gsub
(/[[:space
:]]+$
/, "", $0)
747 if(gsub
(/\\$
/, "", $0)){
752 if(index
(line
, "#") == 1){
754 }else if(length
(line
)){
760 if [ -n "${good_shell}" ]; then
763 i=`${awk} -v LINE="${line}" 'BEGIN
{
764 gsub
(/=.
*$
/, "", LINE
)
768 if [ "${i}" = "${line}" ]; then
769 msg 'ERROR
: invalid syntax
in: %s
' "${line}"
773 eval j="\$${i}" jx="\${${i}+x}"
774 if [ -n "${j}" ] || [ "${jx}" = x ]; then
777 j=`${awk} -v LINE="${line}" 'BEGIN
{
778 gsub
(/^
[^
=]*=/, "", LINE
)
779 gsub
(/^
\"*/, "", LINE
)
780 gsub
(/\"*$
/, "", LINE
)
784 [ "${i}" = "DESTDIR" ] && continue
787 # Reread the mixed version right now
792 # Expand the option values, which may contain shell snippets
793 ${rm} -f ${newlst} ${newmk} ${newh}
794 exec 5<&0 6>&1 <${tmp} >${newlst}
797 if [ -n "${good_shell}" ]; then
799 [ "${i}" != "${i#OPT_}" ] && z=1
801 i=`${awk} -v LINE="${line}" 'BEGIN
{
802 gsub
(/=.
*$
/, "", LINE
);\
805 if echo "${i}" | ${grep} '^OPT_
' >/dev/null 2>&1; then
811 if [ -n "${z}" ]; then
812 j="`echo ${j} | ${tr} '[A-Z
]' '[a-z
]'`"
813 if [ -z "${j}" ] || feat_val_no "${j}"; then
815 printf " /* #undef ${i} */\n" >> ${newh}
816 elif feat_val_yes "${j}"; then
817 if feat_val_require "${j}"; then
822 printf " /* #define ${i} */\n" >> ${newh}
824 msg 'ERROR
: cannot parse
<%s
>' "${line}"
828 printf "#define ${i} \"${j}\"\n" >> ${newh}
830 printf "${i} = ${j}\n" >> ${newmk}
834 exec 0<&5 1>&6 5<&- 6<&-
838 # "path_check VARNAME" or "path_check VARNAME FLAG VARNAME"
839 varname=${1} addflag=${2} flagvarname=${3}
847 [ -z "${i}" ] && continue
848 [ -d "${i}" ] || continue
849 if [ -n "${j}" ]; then
850 if { z=${y}; echo "${z}"; } | ${grep} ":${i}:" >/dev/null 2>&1; then
855 # But do not link any fakeroot path into our binaries!
856 if [ -n "${addflag}" ]; then
857 case "${i}" in *fakeroot*) continue;; esac
858 k="${k} ${addflag}${i}"
864 # But do not link any fakeroot path into our binaries!
865 if [ -n "${addflag}" ]; then
866 case "${i}" in *fakeroot*) continue;; esac
867 k="${k} ${addflag}${i}"
871 eval "${varname}=\"${j}\""
872 [ -n "${addflag}" ] && eval "${flagvarname}=\"${k}\""
877 if [ -n "${need_R_ldflags}" ]; then
880 set -- ${LD_LIBRARY_PATH}
884 # But do not link any fakeroot path into our binaries!
885 case "${i}" in *fakeroot*) continue;; esac
886 LDFLAGS="${LDFLAGS} ${need_R_ldflags}${i}"
887 _LDFLAGS="${_LDFLAGS} ${need_R_ldflags}${i}"
891 # Disable it for a possible second run.
896 [ -n "${cc_check_silent}" ] || msg_nonl ' . CC
%s ..
' "${1}"
898 ${_CFLAGS} ${1} ${EXTRA_CFLAGS} ${_LDFLAGS} ${EXTRA_LDFLAGS} \
899 -o ${tmp2} ${tmp}.c ${LIBS} >/dev/null 2>&1; then
900 _CFLAGS="${_CFLAGS} ${1}"
901 [ -n "${cc_check_silent}" ] || msg 'yes'
904 [ -n "${cc_check_silent}" ] || msg 'no
'
909 # $1=option [$2=option argument] [$3=if set, shall NOT be added to _LDFLAGS]
910 [ -n "${cc_check_silent}" ] || msg_nonl ' . LD
%s ..
' "${1}"
911 if "${CC}" ${INCS} ${_CFLAGS} ${_LDFLAGS} ${1}${2} ${EXTRA_LDFLAGS} \
912 -o ${tmp2} ${tmp}.c ${LIBS} >/dev/null 2>&1; then
913 [ -n "${3}" ] || _LDFLAGS="${_LDFLAGS} ${1}"
914 [ -n "${cc_check_silent}" ] || msg 'yes'
917 [ -n "${cc_check_silent}" ] || msg 'no
'
922 variable=$1 topic=$2 define=$3
925 msg_nonl ' .
%s ...
' "${topic}"
926 echo "/* checked ${topic} */" >> ${h}
927 ${rm} -f ${tmp} ${tmp}.o
928 echo '*** test program is
'
929 { echo '#include <'"${h_name}"'>'; cat; } | ${tee} ${tmp}.c
930 #echo '*** the preprocessor generates'
931 #${make} -f ${makefile} ${tmp}.x
933 echo '*** results are'
937 yesno
=$1 variable
=$2 topic
=$3 define
=$4 libs
=$5 incs
=$6
940 msg_nonl
' . %s ... ' "${topic}"
942 echo '*** enforced unchecked results are'
943 if feat_val_yes
${yesno}; then
944 if [ -n "${incs}" ] ||
[ -n "${libs}" ]; then
945 echo "*** adding INCS<${incs}> LIBS<${libs}>"
946 LIBS
="${LIBS} ${libs}"
947 echo "${libs}" >> ${lib}
948 INCS
="${INCS} ${incs}"
949 echo "${incs}" >> ${inc}
952 echo "${define}" >> ${h}
953 eval have_
${variable}=yes
956 echo "/* ${define} */" >> ${h}
958 eval unset have_
${variable}
964 variable
=$1 topic
=$2 define
=$3
966 _check_preface
"${variable}" "${topic}" "${define}"
968 if ${make} -f ${makefile} XINCS="${INCS}" \
969 CFLAGS="${CFLAGS}" LDFLAGS="${LDFLAGS}" \
971 [ -f ./${tmp}.o ]; then
973 echo "${define}" >> ${h}
974 eval have_${variable}=yes
977 echo "/* ${define} */" >> ${h}
979 eval unset have_${variable}
985 run=$1 variable=$2 topic=$3 define=$4 libs=$5 incs=$6
987 _check_preface "${variable}" "${topic}" "${define}"
989 if feat_yes CROSS_BUILD; then
990 if [ ${run} = 1 ]; then
995 if ${make} -f ${makefile} XINCS="${INCS} ${incs}" \
996 CFLAGS
="${CFLAGS}" LDFLAGS
="${LDFLAGS}" \
997 XLIBS
="${LIBS} ${libs}" \
1000 { [ ${run} -eq 0 ] || ./${tmp}; }; then
1001 echo "*** adding INCS<${incs}> LIBS<${libs}>; executed: ${run}"
1003 echo "${define}" >> ${h}
1004 LIBS
="${LIBS} ${libs}"
1005 echo "${libs}" >> ${lib}
1006 INCS
="${INCS} ${incs}"
1007 echo "${incs}" >> ${inc}
1008 eval have_
${variable}=yes
1012 echo "/* ${define} */" >> ${h}
1013 eval unset have_
${variable}
1019 _link_mayrun
0 "${1}" "${2}" "${3}" "${4}" "${5}"
1023 _link_mayrun
1 "${1}" "${2}" "${3}" "${4}" "${5}"
1027 _link_mayrun
2 "${1}" "${2}" "${3}" "${4}" "${5}"
1031 if feat_yes
${1}; then
1032 echo '#define HAVE_'${1}'' >> ${h}
1035 echo '/* OPT_'${1}'=0 */' >> ${h}
1041 < "${1}" > "${2}" ${awk} \
1042 'BEGIN {ORS = " "} /^[^#]/ {print} {next} END {ORS = ""; print "\n"}'
1045 ## -- >8 - <<SUPPORT FUNS | RUNNING>> - 8< -- ##
1047 # First of all, create new configuration and check whether it changed
1049 # Very easy checks for the operating system in order to be able to adjust paths
1050 # or similar very basic things which we need to be able to go at all
1053 # Check those tools right now that we need before including $rc
1054 msg 'Checking for basic utility set'
1055 check_tool awk "${awk:-`command -v awk`}"
1056 check_tool rm "${rm:-`command -v rm`}"
1057 check_tool tr "${tr:-`command -v tr`}"
1059 # Initialize the option set
1060 msg_nonl 'Setting up configuration options ... '
1064 # Include $rc, but only take from it what wasn't overwritten by the user from
1065 # within the command line or from a chosen fixed CONFIG=
1066 # Note we leave alone the values
1067 trap "exit 1" HUP INT TERM
1068 trap "${rm} -f ${tmp}" EXIT
1070 msg_nonl 'Joining in %s ... ' ${rc}
1074 # We need to know about that now, in order to provide utility overwrites etc.
1077 msg 'Checking for remaining set of utilities'
1078 check_tool grep "${grep:-`command -v grep`}"
1080 # Before we step ahead with the other utilities perform a path cleanup first.
1084 check_tool basename "${basename:-`command -v basename`}"
1085 check_tool cat "${cat:-`command -v cat`}"
1086 check_tool chmod "${chmod:-`command -v chmod`}"
1087 check_tool cp "${cp:-`command -v cp`}"
1088 check_tool cmp "${cmp:-`command -v cmp`}"
1090 check_tool mkdir "${mkdir:-`command -v mkdir`}"
1091 check_tool mv "${mv:-`command -v mv`}"
1093 check_tool sed "${sed:-`command -v sed`}"
1094 check_tool sort "${sort:-`command -v sort`}"
1095 check_tool tee "${tee:-`command -v tee`}"
1097 check_tool chown "${chown:-`command -v chown`}" 1 ||
1098 check_tool chown "/sbin
/chown
" 1 ||
1099 check_tool chown "/usr
/sbin
/chown
"
1101 check_tool make "${MAKE:-`command -v make`}"
1103 check_tool strip "${STRIP:-`command -v strip`}" 1 &&
1104 HAVE_STRIP=1 || HAVE_STRIP=0
1106 # For ./cc-test.sh only
1107 check_tool cksum "${cksum:-`command -v cksum`}"
1109 # Update OPT_ options now, in order to get possible inter-dependencies right
1112 # (No functions since some shells loose non-exported variables in traps)
1113 trap "trap \"\" HUP INT TERM
; exit 1" HUP INT TERM
1114 trap "trap \"\" HUP INT TERM EXIT
;\
1115 ${rm} -rf ${newlst} ${tmp0}.* ${tmp0}* ${newmk} ${newev} ${newh}" EXIT
1117 # Our configuration options may at this point still contain shell snippets,
1118 # we need to evaluate them in order to get them expanded, and we need those
1119 # evaluated values not only in our new configuration file, but also at hand..
1120 msg_nonl 'Evaluating all configuration items ... '
1124 # Add the known utility and some other variables
1125 printf "#define VAL_UAGENT \"${VAL_SID}${VAL_MAILX}\"\n" >> ${newh}
1126 printf "VAL_UAGENT = ${VAL_SID}${VAL_MAILX}\n" >> ${newmk}
1128 printf "#define VAL_PRIVSEP \"${VAL_SID}${VAL_MAILX}-privsep\"\n" >> ${newh}
1129 printf "VAL_PRIVSEP = \$(VAL_UAGENT)-privsep\n" >> ${newmk}
1130 if feat_yes DOTLOCK
; then
1131 printf "OPTIONAL_PRIVSEP = \$(VAL_PRIVSEP)\n" >> ${newmk}
1133 printf "OPTIONAL_PRIVSEP =\n" >> ${newmk}
1138 awk basename cat chmod chown
cp cmp grep mkdir
mv rm sed sort tee tr \
1139 MAKE MAKEFLAGS
make SHELL strip \
1142 printf "${i} = ${j}\n" >> ${newmk}
1143 printf "${i}=${j}\n" >> ${newlst}
1144 printf "${i}=\"${j}\";export ${i}; " >> ${newev}
1146 printf "\n" >> ${newev}
1148 # Build a basic set of INCS and LIBS according to user environment.
1149 C_INCLUDE_PATH=".
/:${SRCDIR}:${C_INCLUDE_PATH}"
1150 path_check C_INCLUDE_PATH -I _INCS
1151 INCS="${INCS} ${_INCS}"
1152 path_check LD_LIBRARY_PATH -L _LIBS
1153 LIBS="${LIBS} ${_LIBS}"
1155 export C_INCLUDE_PATH LD_LIBRARY_PATH
1157 # Some environments need runtime path flags to be able to go at all
1160 ## Detect CC, whether we can use it, and possibly which CFLAGS we can use
1164 ${cat} > ${tmp}.c << \!
1167 static void doit(char const *s);
1169 main(int argc, char **argv){
1172 doit("Hello world
");
1176 doit(char const *s){
1178 memcpy(buf, s, strlen(s) +1);
1183 if "${CC}" ${INCS} ${CFLAGS} ${EXTRA_CFLAGS} ${LDFLAGS} ${EXTRA_LDFLAGS} \
1184 -o ${tmp2} ${tmp}.c ${LIBS}; then
1187 msg
'ERROR: i cannot compile a "Hello world" via'
1189 "${CC} ${INCS} ${CFLAGS} ${EXTRA_CFLAGS} ${LDFLAGS} ${EXTRA_LDFLAGS} ${LIBS}"
1190 msg
'ERROR: Please read INSTALL, rerun'
1194 # This may also update ld_runtime_flags() (again)
1201 printf -- "${i}=${j}\n" >> ${newlst}
1207 PATH C_INCLUDE_PATH LD_LIBRARY_PATH \
1211 printf -- "${i} = ${j}\n" >> ${newmk}
1212 printf -- "${i}=${j}\n" >> ${newlst}
1215 # Now finally check whether we already have a configuration and if so, whether
1216 # all those parameters are still the same.. or something has actually changed
1217 if [ -f ${lst} ] && ${cmp} ${newlst} ${lst} >/dev/null 2>&1; then
1218 echo 'Configuration is up-to-date'
1220 elif [ -f ${lst} ]; then
1221 echo 'Configuration has been updated..'
1222 ( eval "${MAKE} -f .
/mk-config.mk clean
" )
1225 echo 'Shiny configuration..'
1228 # Time to redefine helper 1
1230 ${rm} -f ${lst} ${h} ${mk}
1234 ${mv} -f ${newlst} ${lst}
1235 ${mv} -f ${newev} ${ev}
1236 ${mv} -f ${newh} ${h}
1237 ${mv} -f ${newmk} ${mk}
1239 if [ -z "${VERBOSE}" ]; then
1240 printf -- "ECHO_CC
= @
echo ' 'CC \$
(@
);\n" >> ${mk}
1241 printf -- "ECHO_LINK
= @
echo ' 'LINK \$
(@
);\n" >> ${mk}
1242 printf -- "ECHO_GEN
= @
echo ' 'GEN \$
(@
);\n" >> ${mk}
1243 printf -- "ECHO_TEST
= @
\n" >> ${mk}
1244 printf -- "ECHO_CMD
= @
echo ' CMD';\n" >> ${mk}
1245 printf -- "ECHO_BLOCK_BEGIN
= @
( \n" >> ${mk}
1246 printf -- "ECHO_BLOCK_END
= ) >/dev
/null
\n" >> ${mk}
1249 ## Compile and link checking
1255 makefile=./${tmp0}.mk
1257 # (No function since some shells loose non-exported variables in traps)
1258 trap "trap \"\" HUP INT TERM
;\
1259 ${rm} -f ${lst} ${h} ${mk} ${lib} ${inc}; exit 1" HUP INT TERM
1260 trap "trap \"\" HUP INT TERM EXIT
;\
1261 ${rm} -rf ${tmp0}.* ${tmp0}*" EXIT
1263 # Time to redefine helper 2
1267 printf "*** ${fmt}\\n
" "${@}"
1268 printf -- "${fmt}\\n
" "${@}" >&5
1273 printf "*** ${fmt}\\n
" "${@}"
1274 printf -- "${fmt}" "${@}" >&5
1278 exec 5>&2 > ${log} 2>&1
1280 echo "${LIBS}" > ${lib}
1281 echo "${INCS}" > ${inc}
1282 ${cat} > ${makefile} << \!
1283 .SUFFIXES: .o .c .x .y
1285 $(CC) -I./ $(XINCS) $(CFLAGS) -c $(<)
1287 $(CC) -I./ $(XINCS) -E $(<) > $(@)
1289 $(CC) -I./ $(XINCS) $(CFLAGS) $(LDFLAGS) -o $(@) $(<) $(XLIBS)
1294 # May be multiline..
1296 [ -n "${OS_DEFINES}" ] && printf -- "${OS_DEFINES}" >> ${h}
1297 echo '#define VAL_BUILD_OS "'"${OS}"'"' >> ${h}
1298 echo '#define VAL_BUILD_OSENV "'"${OSENV}"'"' >> ${h}
1300 # Generate n_err_number OS mappings
1302 feat_yes DEVEL
&& NV
= || NV
=noverbose
1303 SRCDIR
="${SRCDIR}" TARGET="${h}" awk="${awk}" \
1304 ${SHELL} "${SRCDIR}"make-errors.sh ${NV} config
1306 xrun_check oserrno
'OS error mapping table generated' || config_exit
1
1308 feat_def ALWAYS_UNICODE_LOCALE
1309 feat_def AMALGAMATION
1310 feat_def CROSS_BUILD
1314 feat_def ASAN_ADDRESS
1315 feat_def ASAN_MEMORY
1321 if xrun_check inline
'inline functions' \
1322 '#define HAVE_INLINE
1323 #define n_INLINE static inline' << \
!
1324 static inline int ilf
(int i
){return ++i
;}
1325 int main
(void
){return ilf
(-1);}
1329 elif xrun_check inline
'inline functions (via __inline)' \
1330 '#define HAVE_INLINE
1331 #define n_INLINE static __inline' << \
!
1332 static __inline int ilf
(int i
){return ++i
;}
1333 int main
(void
){return ilf
(-1);}
1339 ## Test for "basic" system-calls / functionality that is used by all parts
1340 ## of our program. Once this is done fork away BASE_LIBS and other BASE_*
1341 ## macros to be used by only the subprograms (potentially).
1343 if run_check clock_gettime
'clock_gettime(2)' \
1344 '#define HAVE_CLOCK_GETTIME' << \
!
1350 if(!clock_gettime
(CLOCK_REALTIME
, &ts
) || errno
!= ENOSYS
)
1357 elif run_check clock_gettime
'clock_gettime(2) (via -lrt)' \
1358 '#define HAVE_CLOCK_GETTIME' '-lrt' << \
!
1364 if(!clock_gettime
(CLOCK_REALTIME
, &ts
) || errno
!= ENOSYS
)
1371 elif run_check gettimeofday
'gettimeofday(2)' \
1372 '#define HAVE_GETTIMEOFDAY' << \
!
1373 #include <stdio.h> /* For C89 NULL */
1374 #include <sys/time.h>
1379 if(!gettimeofday
(&tv
, NULL
) || errno
!= ENOSYS
)
1387 have_no_subsecond_time
=1
1390 if run_check nanosleep
'nanosleep(2)' \
1391 '#define HAVE_NANOSLEEP' << \
!
1398 ts.tv_nsec
= 100000;
1399 if(!nanosleep
(&ts
, NULL
) || errno
!= ENOSYS
)
1406 elif run_check nanosleep
'nanosleep(2) (via -lrt)' \
1407 '#define HAVE_NANOSLEEP' '-lrt' << \
!
1414 ts.tv_nsec
= 100000;
1415 if(!nanosleep
(&ts
, NULL
) || errno
!= ENOSYS
)
1422 # link_check is enough for this, that function is so old, trust the proto
1423 elif link_check
sleep 'sleep(3)' \
1424 '#define HAVE_SLEEP' << \
!
1428 if(!sleep(1) || errno
!= ENOSYS
)
1436 msg
'ERROR: we require one of nanosleep(2) and sleep(3).'
1440 if run_check userdb
'gete?[gu]id(2), getpwuid(3), getpwnam(3)' << \
!
1449 if((gid
= getgid
()) != 0)
1451 if((uid
= getuid
()) != 0)
1453 if((pw
= getpwuid
(uid
)) == NULL
&& errno
== ENOSYS
)
1455 if((pw
= getpwnam
("root")) == NULL
&& errno
== ENOSYS
)
1463 msg
'ERROR: we require user and group info / database searches.'
1464 msg
'That much Unix we indulge ourselfs.'
1468 if link_check ftruncate
'ftruncate(2)' \
1469 '#define HAVE_FTRUNCATE' << \
!
1471 #include <sys/types.h>
1473 return (ftruncate
(0, 0) != 0);
1479 msg
'ERROR: we require the ftruncate(2) system call.'
1483 if run_check sa_restart
'SA_RESTART (for sigaction(2))' << \
!
1487 struct sigaction nact
, oact
;
1489 nact.sa_handler
= SIG_DFL
;
1490 sigemptyset
(&nact.sa_mask
);
1491 nact.sa_flags
= SA_RESTART
;
1492 return !(!sigaction
(SIGCHLD
, &nact
, &oact
) || errno
!= ENOSYS
);
1498 msg
'ERROR: we (yet) require the SA_RESTART flag for sigaction(2).'
1502 if link_check snprintf
'snprintf(3)' << \
!
1507 snprintf
(b
, sizeof b
, "%s", "string");
1514 msg
'ERROR: we require the snprintf(3) function.'
1518 if link_check environ
'environ(3)' << \
!
1519 #include <stdio.h> /* For C89 NULL */
1521 extern char
**environ
;
1523 return environ
[0] == NULL
;
1529 msg
'ERROR: we require the environ(3) array for subprocess control.'
1533 if link_check setenv
'(un)?setenv(3)' '#define HAVE_SETENV' << \
!
1536 setenv
("s-mailx", "i want to see it cute!", 1);
1537 unsetenv
("s-mailx");
1543 elif link_check setenv
'putenv(3)' '#define HAVE_PUTENV' << \
!
1546 putenv
("s-mailx=i want to see it cute!");
1553 msg
'ERROR: we require either the setenv(3) or putenv(3) functions.'
1557 if link_check termios
'termios.h and tc*(3) family' << \
!
1558 #include <termios.h>
1560 struct termios tios
;
1562 tcgetattr
(0, &tios
);
1563 tcsetattr
(0, TCSANOW | TCSADRAIN | TCSAFLUSH
, &tios
);
1570 msg
'ERROR: we require termios.h and the tc*() family of functions.'
1571 msg
'That much Unix we indulge ourselfs.'
1577 if link_check vsnprintf
'vsnprintf(3)' << \
!
1580 static void dome
(char
*buf
, size_t blen
, ...
){
1584 vsnprintf
(buf
, blen
, "%s", ap
);
1590 dome
(b
, sizeof b
, "string");
1597 feat_bail_required ERRORS
1600 if [ "${have_vsnprintf}" = yes ]; then
1602 link_check va_copy
"va_copy(3) (as ${2})" \
1603 "#define HAVE_N_VA_COPY
1604 #define n_va_copy ${2}" <<_EOT
1608 # if defined __va_copy && !defined va_copy
1609 # define va_copy __va_copy
1612 static void dome2(char *buf, size_t blen, va_list src){
1616 vsnprintf(buf, blen, "%s", ap);
1619 static void dome(char *buf, size_t blen, ...){
1623 dome2(buf, blen, ap);
1629 dome(b, sizeof b, "string");
1634 __va_copy
0 va_copy || __va_copy
1 __va_copy
1637 run_check pathconf
'f?pathconf(2)' '#define HAVE_PATHCONF' << \
!
1644 rv |
= !(pathconf
(".", _PC_NAME_MAX
) >= 0 || errno
== 0 || errno
!= ENOSYS
);
1646 rv |
= !(pathconf
(".", _PC_PATH_MAX
) >= 0 || errno
== 0 || errno
!= ENOSYS
);
1648 /* Only link check
*/
1649 fpathconf
(0, _PC_NAME_MAX
);
1655 run_check pipe2
'pipe2(2)' '#define HAVE_PIPE2' << \
!
1662 if(!pipe2
(fds
, O_CLOEXEC
) || errno
!= ENOSYS
)
1668 # We use this only then for now (need NOW+1)
1669 run_check utimensat
'utimensat(2)' '#define HAVE_UTIMENSAT' << \
!
1670 #include <fcntl.h> /* For AT_* */
1671 #include <sys/stat.h>
1674 struct timespec ts
[2];
1676 ts
[0].tv_nsec
= UTIME_NOW
;
1677 ts
[1].tv_nsec
= UTIME_OMIT
;
1678 if(!utimensat
(AT_FDCWD
, "", ts
, 0) || errno
!= ENOSYS
)
1686 # XXX Add POSIX check once standardized
1687 if link_check posix_random
'arc4random(3)' '#define HAVE_POSIX_RANDOM 0' << \
!
1696 elif link_check getrandom
'getrandom(2) (in sys/random.h)' \
1697 '#define HAVE_GETRANDOM(B,S) getrandom(B, S, 0)
1698 #define HAVE_GETRANDOM_HEADER <sys/random.h>' <<\
!
1699 #include <sys/random.h>
1702 getrandom
(buf
, sizeof buf
, 0);
1708 elif link_check getrandom
'getrandom(2) (via syscall(2))' \
1709 '#define HAVE_GETRANDOM(B,S) syscall(SYS_getrandom, B, S, 0)
1710 #define HAVE_GETRANDOM_HEADER <sys/syscall.h>' <<\
!
1711 #include <sys/syscall.h>
1714 syscall
(SYS_getrandom
, buf
, sizeof buf
, 0);
1720 elif [ -n "${have_no_subsecond_time}" ]; then
1721 msg
'ERROR: %s %s' 'without a native random' \
1722 'one of clock_gettime(2) and gettimeofday(2) is required.'
1727 link_check putc_unlocked
'putc_unlocked(3)' '#define HAVE_PUTC_UNLOCKED' <<\
!
1730 putc_unlocked
('@', stdout
);
1735 link_check fchdir
'fchdir(3)' '#define HAVE_FCHDIR' << \
!
1743 if run_check realpath
'realpath(3)' '#define HAVE_REALPATH' << \
!
1746 char x_buf
[4096], *x
= realpath
(".", x_buf
);
1748 return (x
!= NULL
) ?
0 : 1;
1752 if run_check realpath_malloc
'realpath(3) takes NULL' \
1753 '#define HAVE_REALPATH_NULL' << \
!
1756 char
*x
= realpath
(".", NULL
);
1760 return (x
!= NULL
) ?
0 : 1;
1768 ## optional and selectable
1770 if feat_yes DOTLOCK
; then
1771 if run_check readlink
'readlink(2)' << \
!
1777 if(!readlink
("here", buf
, sizeof buf
) || errno
!= ENOSYS
)
1785 feat_bail_required DOTLOCK
1789 if feat_yes DOTLOCK
; then
1790 if run_check fchown
'fchown(2)' << \
!
1794 if(!fchown
(0, 0, 0) || errno
!= ENOSYS
)
1802 feat_bail_required DOTLOCK
1806 ## Now it is the time to fork away the BASE_ series
1809 squeeze_em
${inc} ${tmp}
1811 squeeze_em
${lib} ${tmp}
1814 echo "BASE_LIBS = `${cat} ${lib}`" >> ${mk}
1815 echo "BASE_INCS
= `${cat} ${inc}`" >> ${mk}
1817 ## The remains are expected to be used only by the main MUA binary!
1820 link_check setlocale 'setlocale(3)' '#define HAVE_SETLOCALE' << \!
1823 setlocale(LC_ALL, "");
1827 [ -n "${have_setlocale}" ] && OPT_LOCALES=1
1829 OPT_MULTIBYTE_CHARSETS=0
1831 OPT_TERMINAL_CHARSET=0
1832 if [ -n "${have_setlocale}" ]; then
1833 link_check c90amend1 'ISO/IEC 9899:1990/Amendment 1:1995' \
1834 '#define HAVE_C90AMEND1' << \!
1840 char mbb[MB_LEN_MAX + 1];
1845 mbtowc(&wc, "x", 1);
1846 mbrtowc(&wc, "x", 1, NULL);
1848 return (mblen("\0", 1) == 0);
1851 [ -n "${have_c90amend1}" ] && OPT_MULTIBYTE_CHARSETS=1
1853 if [ -n "${have_c90amend1}" ]; then
1854 link_check wcwidth 'wcwidth(3)' '#define HAVE_WCWIDTH' << \!
1861 [ -n "${have_wcwidth}" ] && OPT_WIDE_GLYPHS=1
1864 link_check nl_langinfo 'nl_langinfo(3)' '#define HAVE_NL_LANGINFO' << \!
1865 #include <langinfo.h>
1869 return (nl_langinfo(CODESET) == NULL);
1872 [ -n "${have_nl_langinfo}" ] && OPT_TERMINAL_CHARSET=1
1875 link_check fnmatch 'fnmatch(3)' '#define HAVE_FNMATCH' << \!
1876 #include <fnmatch.h>
1878 return (fnmatch("*", ".", FNM_PATHNAME | FNM_PERIOD) == FNM_NOMATCH);
1882 link_check dirent_d_type 'struct dirent.d_type' '#define HAVE_DIRENT_TYPE' << \!
1886 return !(de.d_type == DT_UNKNOWN ||
1887 de.d_type == DT_DIR || de.d_type == DT_LNK);
1891 ## optional and selectable
1893 if feat_yes ICONV; then
1894 ${cat} > ${tmp2}.c << \!
1895 #include <stdio.h> /* For C89 NULL */
1900 id = iconv_open("foo", "bar");
1901 iconv(id, NULL, NULL, NULL, NULL);
1906 < ${tmp2}.c link_check iconv 'iconv(3) functionality' \
1907 '#define HAVE_ICONV' ||
1908 < ${tmp2}.c link_check iconv 'iconv(3) functionality (via -liconv)' \
1909 '#define HAVE_ICONV' '-liconv' ||
1910 feat_bail_required ICONV
1912 echo '/* OPT_ICONV=0 */' >> ${h}
1915 if feat_yes SOCKETS || feat_yes SPAM_SPAMD; then
1916 ${cat} > ${tmp2}.c << \!
1917 #include <sys/types.h>
1918 #include <sys/socket.h>
1922 struct sockaddr_un soun;
1924 if(socket(AF_UNIX, SOCK_STREAM, 0) == -1 && errno == ENOSYS)
1926 if(connect(0, (struct sockaddr*)&soun, 0) == -1 && errno == ENOSYS)
1928 if(shutdown(0, SHUT_RD | SHUT_WR | SHUT_RDWR) == -1 && errno == ENOSYS)
1934 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets' \
1935 '#define HAVE_UNIX_SOCKETS' ||
1936 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets (via -lnsl)' \
1937 '#define HAVE_UNIX_SOCKETS' '-lnsl' ||
1938 < ${tmp2}.c run_check af_unix 'AF_UNIX sockets (via -lsocket -lnsl)' \
1939 '#define HAVE_UNIX_SOCKETS' '-lsocket -lnsl'
1942 if feat_yes SOCKETS; then
1943 ${cat} > ${tmp2}.c << \!
1944 #include <sys/types.h>
1945 #include <sys/socket.h>
1946 #include <netinet/in.h>
1951 if(socket(AF_INET, SOCK_STREAM, 0) == -1 && errno == ENOSYS)
1953 if(connect(0, &s, 0) == -1 && errno == ENOSYS)
1959 < ${tmp2}.c run_check sockets 'sockets' \
1960 '#define HAVE_SOCKETS' ||
1961 < ${tmp2}.c run_check sockets 'sockets (via -lnsl)' \
1962 '#define HAVE_SOCKETS' '-lnsl' ||
1963 < ${tmp2}.c run_check sockets 'sockets (via -lsocket -lnsl)' \
1964 '#define HAVE_SOCKETS' '-lsocket -lnsl' ||
1965 feat_bail_required SOCKETS
1967 echo '/* OPT_SOCKETS=0 */' >> ${h}
1968 fi # feat_yes SOCKETS
1970 if feat_yes SOCKETS; then
1971 link_check getaddrinfo 'getaddrinfo(3)' \
1972 '#define HAVE_GETADDRINFO' << \!
1973 #include <sys/types.h>
1974 #include <sys/socket.h>
1978 struct addrinfo a, *ap;
1981 switch((lrv = getaddrinfo("foo", "0", &a, &ap))){
1985 fprintf(stderr, "%s\n", gai_strerror(lrv));
1994 if feat_yes SOCKETS && [ -z "${have_getaddrinfo}" ]; then
1995 compile_check arpa_inet_h '<arpa/inet.h>' \
1996 '#define HAVE_ARPA_INET_H' << \!
1997 #include <sys/types.h>
1998 #include <sys/socket.h>
2000 #include <netinet/in.h>
2001 #include <arpa/inet.h>
2004 ${cat} > ${tmp2}.c << \!
2005 #include <sys/types.h>
2006 #include <sys/socket.h>
2010 #include <netinet/in.h>
2011 #ifdef HAVE_ARPA_INET_H
2012 #include <arpa/inet.h>
2015 struct sockaddr_in servaddr;
2016 unsigned short portno;
2019 struct in_addr **pptr;
2022 if((ep = getservbyname("POPPY-PORT", "tcp")) != NULL)
2023 portno = (unsigned short)ep->s_port;
2025 if((hp = gethostbyname("POPPY-HOST")) != NULL){
2026 pptr = (struct in_addr**)hp->h_addr_list;
2027 if(hp->h_addrtype != AF_INET)
2028 fprintf(stderr, "au\n");
2031 case HOST_NOT_FOUND:
2037 fprintf(stderr, "au\n");
2042 memset(&servaddr, 0, sizeof servaddr);
2043 servaddr.sin_family = AF_INET;
2044 servaddr.sin_port = htons(portno);
2045 memcpy(&servaddr.sin_addr, *pptr, sizeof(struct in_addr));
2046 fprintf(stderr, "Would connect to %s:%d ...\n",
2047 inet_ntoa(**pptr), (int)portno);
2052 < ${tmp2}.c link_check gethostbyname 'get(serv|host)byname(3)' ||
2053 < ${tmp2}.c link_check gethostbyname \
2054 'get(serv|host)byname(3) (via -nsl)' '' '-lnsl' ||
2055 < ${tmp2}.c link_check gethostbyname \
2056 'get(serv|host)byname(3) (via -lsocket -nsl)' \
2057 '' '-lsocket -lnsl' ||
2058 feat_bail_required SOCKETS
2062 run_check setsockopt 'setsockopt(2)' '#define HAVE_SETSOCKOPT' << \!
2063 #include <sys/socket.h>
2069 if(setsockopt(sockfd, SOL_SOCKET, SO_KEEPALIVE, NULL, 0) == -1 &&
2076 feat_yes SOCKETS && [ -n "${have_setsockopt}" ] &&
2077 link_check so_sndtimeo 'SO_SNDTIMEO' '#define HAVE_SO_SNDTIMEO' << \!
2078 #include <sys/socket.h>
2086 setsockopt(sockfd, SOL_SOCKET, SO_SNDTIMEO, &tv, sizeof tv);
2087 setsockopt(sockfd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof tv);
2092 feat_yes SOCKETS && [ -n "${have_setsockopt}" ] &&
2093 link_check so_linger 'SO_LINGER' '#define HAVE_SO_LINGER' << \!
2094 #include <sys/socket.h>
2102 setsockopt(sockfd, SOL_SOCKET, SO_LINGER, &li, sizeof li);
2107 if feat_yes SSL; then # {{{
2108 # {{{ LibreSSL decided to define OPENSSL_VERSION_NUMBER with a useless value
2109 # instead of keeping it at the one that corresponds to the OpenSSL at fork
2110 # time: we need to test it first in order to get things right
2111 if compile_check _xssl 'TLS/SSL (LibreSSL)' \
2114 #define HAVE_XSSL_RESSL
2115 #define HAVE_XSSL_OPENSSL 0' << \!
2116 #include <openssl/opensslv.h>
2117 #ifdef LIBRESSL_VERSION_NUMBER
2124 # TODO OPENSSL_IS_BORINGSSL, but never tried that one!
2125 elif compile_check _xssl 'TLS/SSL (OpenSSL >= v1.1.0)' \
2128 #define HAVE_XSSL_OPENSSL 0x10100' << \!
2129 #include <openssl/opensslv.h>
2130 #if OPENSSL_VERSION_NUMBER + 0 >= 0x10100000L
2137 elif compile_check _xssl 'TLS/SSL (OpenSSL)' \
2140 #define HAVE_XSSL_OPENSSL 0x10000' << \!
2141 #include <openssl/opensslv.h>
2142 #ifdef OPENSSL_VERSION_NUMBER
2150 feat_bail_required SSL
2153 if feat_yes SSL; then # {{{
2154 if [ -n "${ossl_v1_1}" ]; then
2155 without_check yes xssl 'TLS/SSL (new style *_client_method(3ssl))' \
2156 '#define n_XSSL_CLIENT_METHOD TLS_client_method' \
2158 elif link_check xssl 'TLS/SSL (new style *_client_method(3ssl))' \
2159 '#define n_XSSL_CLIENT_METHOD TLS_client_method' \
2160 '-lssl -lcrypto' << \!
2161 #include <openssl/ssl.h>
2162 #include <openssl/err.h>
2163 #include <openssl/x509v3.h>
2164 #include <openssl/x509.h>
2165 #include <openssl/rand.h>
2166 #ifdef OPENSSL_NO_TLS1 /* TODO only deduced from OPENSSL_NO_SSL[23]! */
2167 # error We need TLSv1.
2170 SSL_CTX *ctx = SSL_CTX_new(TLS_client_method());
2173 PEM_read_PrivateKey(0, 0, 0, 0);
2179 elif link_check xssl 'TLS/SSL (old style *_client_method(3ssl))' \
2180 '#define n_XSSL_CLIENT_METHOD SSLv23_client_method' \
2181 '-lssl -lcrypto' << \!
2182 #include <openssl/ssl.h>
2183 #include <openssl/err.h>
2184 #include <openssl/x509v3.h>
2185 #include <openssl/x509.h>
2186 #include <openssl/rand.h>
2187 #if defined OPENSSL_NO_SSL3 &&\
2188 defined OPENSSL_NO_TLS1 /* TODO only deduced from OPENSSL_NO_SSL[23]! */
2189 # error We need one of SSLv3 and TLSv1.
2192 SSL_CTX *ctx = SSL_CTX_new(SSLv23_client_method());
2195 PEM_read_PrivateKey(0, 0, 0, 0);
2202 feat_bail_required SSL
2206 if feat_yes SSL; then # {{{
2207 if [ -n "${ossl_v1_1}" ]; then
2208 without_check yes xssl_stack_of 'TLS/SSL STACK_OF()' \
2209 '#define HAVE_XSSL_STACK_OF'
2210 elif compile_check xssl_stack_of 'TLS/SSL STACK_OF()' \
2211 '#define HAVE_XSSL_STACK_OF' << \!
2212 #include <stdio.h> /* For C89 NULL */
2213 #include <openssl/ssl.h>
2214 #include <openssl/err.h>
2215 #include <openssl/x509v3.h>
2216 #include <openssl/x509.h>
2217 #include <openssl/rand.h>
2219 STACK_OF(GENERAL_NAME) *gens = NULL;
2221 printf("%p", gens); /* to use it */
2229 if [ -n "${ossl_v1_1}" ]; then
2230 without_check yes xssl_conf 'TLS/SSL OpenSSL_modules_load_file()' \
2231 '#define HAVE_XSSL_CONFIG'
2232 elif link_check xssl_conf 'TLS/SSL OpenSSL_modules_load_file() support' \
2233 '#define HAVE_XSSL_CONFIG' << \!
2234 #include <stdio.h> /* For C89 NULL */
2235 #include <openssl/conf.h>
2237 CONF_modules_load_file(NULL, NULL, CONF_MFLAGS_IGNORE_MISSING_FILE);
2238 CONF_modules_free();
2246 if [ -n "${ossl_v1_1}" ]; then
2247 without_check yes xssl_conf_ctx 'TLS/SSL SSL_CONF_CTX support' \
2248 '#define HAVE_XSSL_CONF_CTX'
2249 elif link_check xssl_conf_ctx 'TLS/SSL SSL_CONF_CTX support' \
2250 '#define HAVE_XSSL_CONF_CTX' << \!
2251 #include <openssl/ssl.h>
2252 #include <openssl/err.h>
2254 SSL_CTX *ctx = SSL_CTX_new(n_XSSL_CLIENT_METHOD());
2255 SSL_CONF_CTX *cctx = SSL_CONF_CTX_new();
2257 SSL_CONF_CTX_set_flags(cctx,
2258 SSL_CONF_FLAG_FILE | SSL_CONF_FLAG_CLIENT |
2259 SSL_CONF_FLAG_CERTIFICATE | SSL_CONF_FLAG_SHOW_ERRORS);
2260 SSL_CONF_CTX_set_ssl_ctx(cctx, ctx);
2261 SSL_CONF_cmd(cctx, "Protocol", "ALL");
2262 SSL_CONF_CTX_finish(cctx);
2263 SSL_CONF_CTX_free(cctx);
2272 if [ -n "${ossl_v1_1}" ]; then
2273 without_check no xssl_rand_egd 'TLS/SSL RAND_egd(3ssl)' \
2274 '#define HAVE_XSSL_RAND_EGD'
2275 elif link_check xssl_rand_egd 'TLS/SSL RAND_egd(3ssl)' \
2276 '#define HAVE_XSSL_RAND_EGD' << \!
2277 #include <openssl/rand.h>
2279 return RAND_egd("some.where") > 0;
2286 if feat_yes SSL_ALL_ALGORITHMS; then
2287 if [ -n "${ossl_v1_1}" ]; then
2288 without_check yes ssl_all_algo 'TLS/SSL all-algorithms support' \
2289 '#define HAVE_SSL_ALL_ALGORITHMS'
2290 elif link_check ssl_all_algo 'TLS/SSL all-algorithms support' \
2291 '#define HAVE_SSL_ALL_ALGORITHMS' << \!
2292 #include <openssl/evp.h>
2294 OpenSSL_add_all_algorithms();
2295 EVP_get_cipherbyname("two cents i never exist");
2303 feat_bail_required SSL_ALL_ALGORITHMS
2306 fi # feat_yes SSL }}}
2308 if feat_yes SSL && feat_yes MD5 && feat_no NOEXTMD5; then # {{{
2309 run_check ssl_md5 'MD5 digest in the used crypto library' \
2310 '#define HAVE_XSSL_MD5' << \!
2313 #include <openssl/md5.h>
2315 char const dat[] = "abrakadabrafidibus";
2316 char dig[16], hex[16 * 2];
2320 memset(dig, 0, sizeof(dig));
2321 memset(hex, 0, sizeof(hex));
2323 MD5_Update(&ctx, dat, sizeof(dat) - 1);
2324 MD5_Final(dig, &ctx);
2326 #define hexchar(n) ((n) > 9 ? (n) - 10 + 'a' : (n) + '0')
2327 for(i = 0; i < sizeof(hex) / 2; i++){
2329 hex[j] = hexchar((dig[i] & 0xf0) >> 4);
2330 hex[++j] = hexchar(dig[i] & 0x0f);
2332 return !!memcmp("6d7d0a3d949da2e96f2aa010f65d8326", hex, sizeof(hex));
2337 echo '/* OPT_SSL=0 */' >> ${h}
2338 fi # }}} feat_yes SSL
2340 if [ "${have_xssl}" = yes ]; then
2351 if feat_yes GSSAPI; then
2352 ${cat} > ${tmp2}.c << \!
2353 #include <gssapi/gssapi.h>
2355 gss_import_name(0, 0, GSS_C_NT_HOSTBASED_SERVICE, 0);
2356 gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
2360 ${sed} -e '1s/gssapi\///' < ${tmp2}.c > ${tmp3}.c
2362 if command -v krb5-config >/dev/null 2>&1; then
2363 i=`command -v krb5-config
`
2364 GSS_LIBS="`CFLAGS
= ${i} --libs gssapi
`"
2365 GSS_INCS="`CFLAGS
= ${i} --cflags`"
2366 i='GSS-API via krb5-config(1)'
2370 i='GSS-API in gssapi/gssapi.h, libgssapi'
2372 if < ${tmp2}.c link_check gss \
2373 "${i}" '#define HAVE_GSSAPI' "${GSS_LIBS}" "${GSS_INCS}" ||\
2374 < ${tmp3}.c link_check gss \
2375 'GSS-API in gssapi.h, libgssapi' \
2376 '#define HAVE_GSSAPI
2377 #define GSSAPI_REG_INCLUDE' \
2379 < ${tmp2}.c link_check gss 'GSS-API in libgssapi_krb5' \
2380 '#define HAVE_GSSAPI' \
2382 < ${tmp3}.c link_check gss \
2383 'GSS-API in libgssapi, OpenBSD-style (pre 5.3)' \
2384 '#define HAVE_GSSAPI
2385 #define GSS_REG_INCLUDE' \
2386 '-lgssapi -lkrb5 -lcrypto' \
2387 '-I/usr/include/kerberosV' ||\
2388 < ${tmp2}.c link_check gss 'GSS-API in libgss' \
2389 '#define HAVE_GSSAPI' \
2391 link_check gss 'GSS-API in libgssapi_krb5, old-style' \
2392 '#define HAVE_GSSAPI
2393 #define GSSAPI_OLD_STYLE' \
2394 '-lgssapi_krb5' << \!
2395 #include <gssapi/gssapi.h>
2396 #include <gssapi/gssapi_generic.h>
2398 gss_import_name(0, 0, gss_nt_service_name, 0);
2399 gss_init_sec_context(0,0,0,0,0,0,0,0,0,0,0,0,0);
2406 feat_bail_required GSSAPI
2409 echo '/* OPT_GSSAPI=0 */' >> ${h}
2410 fi # feat_yes GSSAPI
2415 if feat_yes IDNA; then
2416 if link_check idna 'GNU Libidn' '#define HAVE_IDNA HAVE_IDNA_LIBIDNA' \
2419 #include <idn-free.h>
2420 #include <stringprep.h>
2422 char *utf8, *idna_ascii, *idna_utf8;
2424 utf8 = stringprep_locale_to_utf8("does.this.work");
2425 if (idna_to_ascii_8z(utf8, &idna_ascii, IDNA_USE_STD3_ASCII_RULES)
2428 idn_free(idna_ascii);
2429 /* (Rather link check only here) */
2430 idna_utf8 = stringprep_convert(idna_ascii, "UTF-8", "de_DE");
2436 elif link_check idna 'idnkit' '#define HAVE_IDNA HAVE_IDNA_IDNKIT' \
2439 #include <idn/api.h>
2440 #include <idn/result.h>
2444 char local_name[256];
2446 r = idn_encodename(IDN_ENCODE_APP, "does.this.work", ace_name,
2448 if (r != idn_success) {
2449 fprintf(stderr, "idn_encodename failed: %s\n", idn_result_tostring(r));
2452 r = idn_decodename(IDN_DECODE_APP, ace_name, local_name, sizeof(local_name));
2453 if (r != idn_success) {
2454 fprintf(stderr, "idn_decodename failed: %s\n", idn_result_tostring(r));
2463 feat_bail_required IDNA
2466 if [ -n "${have_idna}" ]; then
2467 echo '#define HAVE_IDNA_LIBIDNA 0' >> ${h}
2468 echo '#define HAVE_IDNA_IDNKIT 1' >> ${h}
2471 echo '/* OPT_IDNA=0 */' >> ${h}
2474 feat_def IMAP_SEARCH
2476 if feat_yes REGEX; then
2477 if link_check regex 'regular expressions' '#define HAVE_REGEX' << \!
2485 status = regcomp(&re, ".*bsd", REG_EXTENDED | REG_ICASE | REG_NOSUB);
2486 xret = regerror(status, &re, NULL, 0);
2487 status = regexec(&re, "plan9", 0,NULL, 0);
2489 return !(status == REG_NOMATCH);
2495 feat_bail_required REGEX
2498 echo '/* OPT_REGEX=0 */' >> ${h}
2501 if feat_yes MLE && [ -n "${have_c90amend1}" ]; then
2503 echo '#define HAVE_MLE' >> ${h}
2505 feat_bail_required MLE
2506 echo '/* OPT_MLE=0 */' >> ${h}
2509 # Generic have-a-line-editor switch for those who need it below
2510 if [ -n "${have_mle}" ]; then
2514 if [ -n "${have_cle}" ] && feat_yes HISTORY; then
2515 echo '#define HAVE_HISTORY' >> ${h}
2517 echo '/* OPT_HISTORY=0 */' >> ${h}
2520 if [ -n "${have_mle}" ] && feat_yes KEY_BINDINGS; then
2521 echo '#define HAVE_KEY_BINDINGS' >> ${h}
2523 echo '/* OPT_KEY_BINDINGS=0 */' >> ${h}
2526 if feat_yes TERMCAP; then
2528 link_check termcap "termcap(5) (via ${4})" \
2529 "#define HAVE_TERMCAP${3}" "${1}" << _EOT
2534 #define UNCONST(P) ((void*)(unsigned long)(void const*)(P))
2535 static int my_putc(int c){return putchar(c);}
2537 char buf[1024+512], cmdbuf[2048], *cpb, *r1;
2538 int r2 = OK, r3 = ERR;
2540 tgetent(buf, getenv("TERM"));
2542 r1 = tgetstr(UNCONST("cm"), &cpb);
2544 r2 = tgetnum(UNCONST("Co"));
2545 r3 = tgetflag(UNCONST("ut"));
2546 tputs("cr", 1, &my_putc);
2547 return (r1 == NULL || r2 == -1 || r3 == 0);
2553 link_check terminfo "terminfo(5) (via ${2})" \
2554 '#define HAVE_TERMCAP
2555 #define HAVE_TERMCAP_CURSES
2556 #define HAVE_TERMINFO' "${1}" << _EOT
2560 #define UNCONST(P) ((void*)(unsigned long)(void const*)(P))
2561 static int my_putc(int c){return putchar(c);}
2567 r0 = setupterm(NULL, 1, &er);
2568 r1 = tigetflag(UNCONST("bce"));
2569 r2 = tigetnum(UNCONST("colors"));
2570 r3 = tigetstr(UNCONST("cr"));
2571 tp = tparm(r3, NULL, NULL, 0,0,0,0,0,0,0);
2572 tputs(tp, 1, &my_putc);
2573 return (r0 == ERR || r1 == -1 || r2 == -2 || r2 == -1 ||
2574 r3 == (char*)-1 || r3 == NULL);
2579 if feat_yes TERMCAP_VIA_TERMINFO; then
2580 __terminfolib -ltinfo -ltinfo ||
2581 __terminfolib -lcurses -lcurses ||
2582 __terminfolib -lcursesw -lcursesw ||
2583 feat_bail_required TERMCAP_VIA_TERMINFO
2586 if [ -z "${have_terminfo}" ]; then
2587 __termcaplib -ltermcap '' '' '-ltermcap' ||
2588 __termcaplib -ltermcap '#include <curses.h>' '
2589 #define HAVE_TERMCAP_CURSES' \
2590 'curses.h / -ltermcap' ||
2591 __termcaplib -lcurses '#include <curses.h>' '
2592 #define HAVE_TERMCAP_CURSES' \
2593 'curses.h / -lcurses' ||
2594 __termcaplib -lcursesw '#include <curses.h>' '
2595 #define HAVE_TERMCAP_CURSES' \
2596 'curses.h / -lcursesw' ||
2597 feat_bail_required TERMCAP
2599 if [ -n "${have_termcap}" ]; then
2600 run_check tgetent_null \
2601 "tgetent(3) of termcap(5) takes NULL buffer" \
2602 "#define HAVE_TGETENT_NULL_BUF" << _EOT
2603 #include <stdio.h> /* For C89 NULL */
2605 #ifdef HAVE_TERMCAP_CURSES
2606 # include <curses.h>
2610 tgetent(NULL, getenv("TERM"));
2617 echo '/* OPT_TERMCAP=0 */' >> ${h}
2618 echo '/* OPT_TERMCAP_VIA_TERMINFO=0 */' >> ${h}
2621 if feat_def SPAM_SPAMC; then
2622 if command -v spamc >/dev/null 2>&1; then
2623 echo "#define SPAM_SPAMC_PATH \"`command -v spamc
`\"" >> ${h}
2627 if feat_yes SPAM_SPAMD && [ -n "${have_af_unix}" ]; then
2628 echo '#define HAVE_SPAM_SPAMD' >> ${h}
2630 feat_bail_required SPAM_SPAMD
2631 echo '/* OPT_SPAM_SPAMD=0 */' >> ${h}
2634 feat_def SPAM_FILTER
2636 if feat_yes SPAM_SPAMC || feat_yes SPAM_SPAMD || feat_yes SPAM_FILTER; then
2637 echo '#define HAVE_SPAM' >> ${h}
2639 echo '/* HAVE_SPAM */' >> ${h}
2642 if feat_yes QUOTE_FOLD &&\
2643 [ -n "${have_c90amend1}" ] && [ -n "${have_wcwidth}" ]; then
2644 echo '#define HAVE_QUOTE_FOLD' >> ${h}
2646 feat_bail_required QUOTE_FOLD
2647 echo '/* OPT_QUOTE_FOLD=0 */' >> ${h}
2650 feat_def FILTER_HTML_TAGSOUP
2659 squeeze_em ${inc} ${tmp}
2661 squeeze_em ${lib} ${tmp}
2666 printf '#ifndef n_MK_CONFIG_H\n# define n_MK_CONFIG_H 1\n' > ${h}
2667 ${cat} ${tmp} >> ${h}
2671 # Create the string that is used by *features* and `version
'.
2672 # Take this nice opportunity and generate a visual listing of included and
2673 # non-included features for the person who runs the configuration
2674 msg '\nThe following features are included
(+) or not
(-):'
2675 set -- ${OPTIONS_DETECT} ${OPTIONS} ${OPTIONS_XTRA}
2676 printf '/* The
"feature string" */\n' >> ${h}
2677 # Because + is expanded by *folder* if first in "echo $features", put something
2678 printf '#define VAL_FEATURES_CNT '${#}'\n#define VAL_FEATURES "#' >> ${h}
2682 sdoc
=`option_doc_of ${opt}`
2683 [ -z "${sdoc}" ] && continue
2684 sopt
="`echo ${opt} | ${tr} '[A-Z]_' '[a-z]-'`"
2685 feat_yes
${opt} && sign
=+ || sign
=-
2686 printf -- "${sep}${sign}${sopt}" >> ${h}
2688 msg " %s
%s
: %s
" ${sign} ${sopt} "${sdoc}"
2690 # TODO instead of using sh+tr+awk+printf, use awk, drop option_doc_of, inc here
2692 #${awk} -v opts="${OPTIONS_DETECT} ${OPTIONS} ${OPTIONS_XTRA}" \
2693 # -v xopts="${XOPTIONS_DETECT} ${XOPTIONS} ${XOPTIONS_XTRA}" \
2694 printf '"\n' >> ${h}
2696 # Create the real mk-config.mk
2697 # Note we cannout use explicit ./ filename prefix for source and object
2698 # pathnames because of a bug in bmake(1)
2699 ${rm} -rf ${tmp0}.* ${tmp0}*
2701 if feat_no AMALGAMATION
; then
2702 for i
in `printf '%s\n' "${SRCDIR}"*.c | ${sort}`; do
2703 i
=`basename "${i}" .c`
2704 if [ "${i}" = privsep
]; then
2707 objlist
="${objlist} ${i}.o"
2708 srclist
="${srclist} \$(SRCDIR)${i}.c"
2709 printf '%s: %s\n\t$(ECHO_CC)$(CC) $(CFLAGS) $(INCS) -c %s\n' \
2710 "${i}.o" "\$(SRCDIR)${i}.c" "\$(SRCDIR)${i}.c" >> ${mk}
2712 printf '\nAMALGAM_TARGET =\nAMALGAM_DEP =\n' >> ${mk}
2714 printf '%s:\n\t$(ECHO_CC)$(CC) $(CFLAGS) $(INCS) -c $(SRCDIR)%s\n' \
2715 "main.o
" "main.c
" >> ${mk}
2716 srclist=main.c objlist=main.o
2717 printf '\nAMALGAM_TARGET = main.o\nAMALGAM_DEP = ' >> ${mk}
2719 printf '\n/* HAVE_AMALGAMATION: include sources */\n' >> ${h}
2720 printf '#elif n_MK_CONFIG_H + 0 == 1\n' >> ${h}
2721 printf '# undef n_MK_CONFIG_H\n' >> ${h}
2722 printf '# define n_MK_CONFIG_H 2\n' >> ${h}
2723 for i in `printf '%s\n' "${SRCDIR}"*.c | ${sort}`; do
2725 if [ "${i}" = main.c ] ||
2726 [ "${i}" = privsep.c ]; then
2729 printf '$(SRCDIR)%s ' "${i}" >> ${mk}
2730 printf '# include "%s
%s
"\n' "${SRCDIR}" "${i}" >> ${h}
2734 printf 'OBJ_SRC = %s\nOBJ = %s\n' "${srclist}" "${objlist}" >> "${mk}"
2736 printf '#endif /* n_MK_CONFIG_H */\n' >> ${h}
2738 echo "LIBS = `${cat} ${lib}`" >> ${mk}
2739 echo "INCS
= `${cat} ${inc}`" >> ${mk}
2741 ${cat} "${SRCDIR}"make-config.in >> ${mk}
2746 msg ' . System-wide resource file: %s/%s' "${VAL_SYSCONFDIR}" "${VAL_SYSCONFRC}"
2747 msg ' . bindir: %s' "${VAL_BINDIR}"
2748 if feat_yes DOTLOCK; then
2749 msg ' . libexecdir: %s' "${VAL_LIBEXECDIR}"
2751 msg ' . mandir: %s' "${VAL_MANDIR}"
2752 msg ' . M(ail)T(ransfer)A(gent): %s (argv0 %s)' "${VAL_MTA}" "${VAL_MTA_ARGV0}"
2753 msg ' . $MAIL spool directory: %s' "${VAL_MAIL}"
2756 if [ -n "${have_fnmatch}" ] && [ -n "${have_fchdir}" ]; then
2760 if [ -z "${have_fnmatch}" ]; then
2761 msg ' . The function fnmatch(3) could not be found.'
2762 msg ' Filename patterns like wildcard are not supported on your system'
2764 if [ -z "${have_fchdir}" ]; then
2765 msg ' . The function fchdir(2) could not be found.'
2766 msg ' We will use chdir(2) instead.'
2767 msg ' This is a problem only if the current working directory is changed'
2768 msg ' while this program is inside of it'