#!/bin/sh # # $Id: configure,v 1.67 2018/08/15 02:15:52 schwarze Exp $ # # Copyright (c) 2014,2015,2016,2017,2018 Ingo Schwarze # # Permission to use, copy, modify, and distribute this software for any # purpose with or without fee is hereby granted, provided that the above # copyright notice and this permission notice appear in all copies. # # THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES # WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF # MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR # ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES # WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN # ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF # OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. set -e [ -w config.log ] && mv config.log config.log.old [ -w config.h ] && mv config.h config.h.old # Output file descriptor usage: # 1 (stdout): config.h, Makefile.local # 2 (stderr): original stderr, usually to the console # 3: config.log exec 3> config.log echo "file config.log: writing..." # --- default settings ------------------------------------------------- # Initialize all variables here, # such that nothing can leak in from the environment. SOURCEDIR=`dirname "$0"` MANPATH_BASE="/usr/share/man:/usr/X11R6/man" MANPATH_DEFAULT="/usr/share/man:/usr/X11R6/man:/usr/local/man" OSNAME= UTF8_LOCALE= CC=`printf "all:\\n\\t@echo \\\$(CC)\\n" | env -i make -sf -` CFLAGS= LDADD= LDFLAGS= LD_NANOSLEEP= LD_OHASH= LD_RECVMSG= STATIC= BUILD_CGI=0 BUILD_CATMAN=0 INSTALL_LIBMANDOC=0 HAVE_CMSG= HAVE_CMSG_XPG42=0 HAVE_DIRENT_NAMLEN= HAVE_EFTYPE= HAVE_ENDIAN= HAVE_ERR= HAVE_FTS= HAVE_FTS_COMPARE_CONST= HAVE_GETLINE= HAVE_GETSUBOPT= HAVE_ISBLANK= HAVE_MKDTEMP= HAVE_NANOSLEEP= HAVE_NTOHL= HAVE_O_DIRECTORY= HAVE_OHASH= HAVE_PATH_MAX= HAVE_PLEDGE= HAVE_PROGNAME= HAVE_REALLOCARRAY= HAVE_RECALLOCARRAY= HAVE_RECVMSG= HAVE_REWB_BSD= HAVE_REWB_SYSV= HAVE_SANDBOX_INIT= HAVE_STRCASESTR= HAVE_STRINGLIST= HAVE_STRLCAT= HAVE_STRLCPY= HAVE_STRNDUP= HAVE_STRPTIME= HAVE_STRSEP= HAVE_STRTONUM= HAVE_SYS_ENDIAN= HAVE_VASPRINTF= HAVE_WCHAR= NEED_GNU_SOURCE=0 NEED_OPENBSD_SOURCE=0 PREFIX="/usr/local" BINDIR= SBINDIR= BIN_FROM_SBIN= INCLUDEDIR= LIBDIR= MANDIR= HOMEBREWDIR= WWWPREFIX="/var/www" HTDOCDIR= CGIBINDIR= BINM_APROPOS="apropos" BINM_CATMAN="catman" BINM_MAKEWHATIS="makewhatis" BINM_MAN="man" BINM_SOELIM="soelim" BINM_WHATIS="whatis" MANM_MAN="man" MANM_MANCONF="man.conf" MANM_MDOC="mdoc" MANM_ROFF="roff" MANM_EQN="eqn" MANM_TBL="tbl" INSTALL="install" INSTALL_PROGRAM= INSTALL_LIB= INSTALL_MAN= INSTALL_DATA= LN="ln -f" # --- manual settings from configure.local ----------------------------- if [ -r ./configure.local ]; then echo "file configure.local: reading..." 1>&2 echo "file configure.local: reading..." 1>&3 cat ./configure.local 1>&3 . ./configure.local else echo "file configure.local: no (fully automatic configuration)" 1>&2 echo "file configure.local: no (fully automatic configuration)" 1>&3 fi echo 1>&3 # --- tests functions -------------------------------------------------- # Check whether this HAVE_ setting is manually overridden. # If yes, use the override, if no, do not decide anything yet. # Arguments: test file name, test var name, manual value ismanual() { [ -z "${3}" ] && return 1 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&2 echo "tested ${1}: HAVE_${2}=${3} (manual)" 1>&3 echo 1>&3 return 0 } # Run a single autoconfiguration test. # In case of success, enable the feature. # In case of failure, do not decide anything yet. # Arguments: test file name, test var name, additional CFLAGS singletest() { n=${1}${3}${4} cat 1>&3 << __HEREDOC__ testing ${n} ... ${COMP} -o test-${1} test-${1}.c ${3} ${4} __HEREDOC__ if ${COMP} -o "test-${1}" "${SOURCEDIR}/test-${1}.c" ${3} ${4} 1>&3 2>&3 then echo "partial result of ${n}: ${CC} succeeded" 1>&3 else echo "result of ${n}: ${CC} failed with exit status $?" 1>&3 echo "result of compiling ${n}: no" 1>&3 echo 1>&3 return 1 fi if ./test-${1} 1>&3 2>&3; then echo "tested ${n}: yes" 1>&2 echo "result of running ${n}: yes" 1>&3 echo 1>&3 eval HAVE_${2}=1 [ "X$3" = "X-D_GNU_SOURCE" ] && NEED_GNU_SOURCE=1 [ "X$3" = "X-D_OPENBSD_SOURCE" ] && NEED_OPENBSD_SOURCE=1 rm "test-${1}" return 0 else echo "result of ${n}: execution failed with exit status $?" 1>&3 echo "result of running ${n}: no" 1>&3 echo 1>&3 rm "test-${1}" return 1 fi } # Run a complete autoconfiguration test, including the check for # a manual override and disabling the feature on failure. # Arguments: test file name, test var name, additional CFLAGS runtest() { eval _manual=\${HAVE_${2}} ismanual "${1}" "${2}" "${_manual}" && return 0 singletest "${1}" "${2}" "${3}" "${4}" && return 0 echo "tested ${1}${3}${4}: no" 1>&2 eval HAVE_${2}=0 return 1 } # Select a UTF-8 locale. get_locale() { [ -n "${HAVE_WCHAR}" ] && [ "${HAVE_WCHAR}" -eq 0 ] && return 0 ismanual UTF8_LOCALE UTF8_LOCALE "$UTF8_LOCALE" && return 0 echo "testing UTF8_LOCALE ..." 1>&3 UTF8_LOCALE=`locale -a | grep -i '^en_US\.UTF-*8$' | head -n 1` if [ -z "${UTF8_LOCALE}" ]; then UTF8_LOCALE=`locale -a | grep -i '\.UTF-*8' | head -n 1` [ -n "${UTF8_LOCALE}" ] || return 1 fi echo "selected UTF8_LOCALE=${UTF8_LOCALE}" 1>&2 echo "selected UTF8_LOCALE=${UTF8_LOCALE}" 1>&3 echo 1>&3 return 0; } # --- compiler options ------------------------------------------------- DEFCFLAGS="-g -W -Wall -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wno-unused-parameter" if [ -n "${CFLAGS}" ]; then COMP="${CC} ${CFLAGS} -Wno-unused -Werror" else COMP="${CC} ${DEFCFLAGS} -Wno-unused -Werror" fi echo -n "tested ${CC} -W: " 1>&2 echo -n "testing ${CC} -W: " 1>&3 runtest noop WFLAG || true if [ -n "${CFLAGS}" ]; then echo "CFLAGS specified manually:" 1>&3 elif [ ${HAVE_WFLAG} -eq 0 ]; then CFLAGS="-g" else CFLAGS="${DEFCFLAGS}" fi echo "selected CFLAGS=\"${CFLAGS}\"" 1>&2 echo "selected CFLAGS=\"${CFLAGS}\"" 1>&3 echo 1>&3 COMP="${CC} ${CFLAGS}" [ ${HAVE_WFLAG} -eq 0 ] || COMP="${COMP} -Wno-unused -Werror" if [ -n "${STATIC}" ]; then echo "selected STATIC=\"${STATIC}\" (manual)" 1>&2 echo "selected STATIC=\"${STATIC}\" (manual)" 1>&3 echo 1>&3 else runtest noop STATIC -static || true [ ${HAVE_STATIC} -eq 0 ] || STATIC="-static" echo "selected STATIC=\"${STATIC}\"" 1>&2 echo "selected STATIC=\"${STATIC}\"" 1>&3 echo 1>&3 fi # --- tests for config.h ---------------------------------------------- # --- library functions --- runtest dirent-namlen DIRENT_NAMLEN || true runtest be32toh ENDIAN || true runtest be32toh SYS_ENDIAN -DSYS_ENDIAN || true runtest EFTYPE EFTYPE || true runtest err ERR || true runtest getline GETLINE || true singletest getsubopt GETSUBOPT || \ runtest getsubopt GETSUBOPT -D_GNU_SOURCE || true runtest isblank ISBLANK || true runtest mkdtemp MKDTEMP || true runtest ntohl NTOHL || true runtest O_DIRECTORY O_DIRECTORY || true runtest PATH_MAX PATH_MAX || true runtest pledge PLEDGE || true runtest sandbox_init SANDBOX_INIT || true runtest progname PROGNAME || true singletest reallocarray REALLOCARRAY || \ runtest reallocarray REALLOCARRAY -D_OPENBSD_SOURCE || true singletest recallocarray RECALLOCARRAY || \ runtest recallocarray RECALLOCARRAY -D_OPENBSD_SOURCE || true runtest rewb-bsd REWB_BSD || true runtest rewb-sysv REWB_SYSV || true singletest strcasestr STRCASESTR || \ runtest strcasestr STRCASESTR -D_GNU_SOURCE || true runtest stringlist STRINGLIST || true runtest strlcat STRLCAT || true runtest strlcpy STRLCPY || true runtest strndup STRNDUP || true singletest strptime STRPTIME || \ runtest strptime STRPTIME -D_GNU_SOURCE || true runtest strsep STRSEP || true singletest strtonum STRTONUM || \ runtest strtonum STRTONUM -D_OPENBSD_SOURCE || true singletest vasprintf VASPRINTF || \ runtest vasprintf VASPRINTF -D_GNU_SOURCE || true if [ ${HAVE_ENDIAN} -eq 0 -a \ ${HAVE_SYS_ENDIAN} -eq 0 -a \ ${HAVE_NTOHL} -eq 0 ]; then echo "FATAL: no endian conversion functions found" 1>&2 echo "FATAL: no endian conversion functions found" 1>&3 exit 1 fi if ismanual fts FTS ${HAVE_FTS}; then HAVE_FTS_COMPARE_CONST=0 elif runtest fts FTS_COMPARE_CONST -DFTS_COMPARE_CONST; then HAVE_FTS=1 else runtest fts FTS || true fi # --- wide character and locale support --- if get_locale; then singletest wchar WCHAR -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || \ runtest wchar WCHAR -D_GNU_SOURCE \ -DUTF8_LOCALE=\"${UTF8_LOCALE}\" || true else HAVE_WCHAR=0 echo "tested wchar: no (no UTF8_LOCALE)" 1>&2 echo "tested wchar: no (no UTF8_LOCALE)" 1>&3 echo 1>&3 fi # --- nanosleep --- if [ -n "${LD_NANOSLEEP}" ]; then runtest nanosleep NANOSLEEP "${LD_NANOSLEEP}" || true elif singletest nanosleep NANOSLEEP; then : elif runtest nanosleep NANOSLEEP "-lrt"; then LD_NANOSLEEP="-lrt" fi if [ "${HAVE_NANOSLEEP}" -eq 0 ]; then echo "FATAL: nanosleep: no" 1>&2 echo "FATAL: nanosleep: no" 1>&3 exit 1 fi if [ ${BUILD_CATMAN} -gt 0 ]; then # --- recvmsg --- if [ -n "${LD_RECVMSG}" ]; then runtest recvmsg RECVMSG "${LD_RECVMSG}" || true elif singletest recvmsg RECVMSG; then : elif runtest recvmsg RECVMSG "-lsocket"; then LD_RECVMSG="-lsocket" fi if [ "${HAVE_RECVMSG}" -eq 0 ]; then echo "FATAL: recvmsg: no" 1>&2 echo "FATAL: recvmsg: no" 1>&3 echo "Without recvmsg(2), you cannot BUILD_CATMAN." 1>&2 exit 1 fi # --- cmsg --- if singletest cmsg CMSG; then : elif runtest cmsg CMSG "-D_XPG4_2"; then HAVE_CMSG_XPG42=1 fi if [ "${HAVE_CMSG}" -eq 0 ]; then echo "FATAL: cmsg: no" 1>&2 echo "FATAL: cmsg: no" 1>&3 echo "Without CMSG_FIRSTHDR(3), you cannot BUILD_CATMAN." 1>&2 exit 1 fi fi # --- ohash --- if ismanual ohash OHASH "${HAVE_OHASH}"; then : elif [ -n "${LD_OHASH}" ]; then runtest ohash OHASH "${LD_OHASH}" || true elif singletest ohash OHASH; then : elif runtest ohash OHASH "-lutil"; then LD_OHASH="-lutil" fi if [ "${HAVE_OHASH}" -eq 0 ]; then LD_OHASH= fi # --- LDADD --- LDADD="${LDADD} ${LD_NANOSLEEP} ${LD_RECVMSG} ${LD_OHASH} -lz" echo "selected LDADD=\"${LDADD}\"" 1>&2 echo "selected LDADD=\"${LDADD}\"" 1>&3 echo 1>&3 # --- write config.h --- exec > config.h cat << __HEREDOC__ #ifdef __cplusplus #error "Do not use C++. See the INSTALL file." #endif #if !defined(__GNUC__) || (__GNUC__ < 4) #define __attribute__(x) #endif __HEREDOC__ [ ${NEED_GNU_SOURCE} -eq 0 ] || echo "#define _GNU_SOURCE" [ ${NEED_OPENBSD_SOURCE} -eq 0 ] || echo "#define _OPENBSD_SOURCE" [ ${HAVE_GETLINE} -eq 0 -o \ ${HAVE_REALLOCARRAY} -eq 0 -o ${HAVE_RECALLOCARRAY} -eq 0 -o \ ${HAVE_STRLCAT} -eq 0 -o ${HAVE_STRLCPY} -eq 0 -o \ ${HAVE_STRNDUP} -eq 0 ] \ && echo "#include " [ ${HAVE_VASPRINTF} -eq 0 ] && echo "#include " [ ${HAVE_GETLINE} -eq 0 ] && echo "#include " echo echo "#define MAN_CONF_FILE \"/etc/${MANM_MANCONF}\"" echo "#define MANPATH_BASE \"${MANPATH_BASE}\"" echo "#define MANPATH_DEFAULT \"${MANPATH_DEFAULT}\"" [ -n "${OSNAME}" ] && echo "#define OSNAME \"${OSNAME}\"" [ -n "${UTF8_LOCALE}" ] && echo "#define UTF8_LOCALE \"${UTF8_LOCALE}\"" [ -n "${HOMEBREWDIR}" ] && echo "#define HOMEBREWDIR \"${HOMEBREWDIR}\"" [ ${HAVE_EFTYPE} -eq 0 ] && echo "#define EFTYPE EINVAL" [ ${HAVE_O_DIRECTORY} -eq 0 ] && echo "#define O_DIRECTORY 0" [ ${HAVE_PATH_MAX} -eq 0 ] && echo "#define PATH_MAX 4096" if [ ${HAVE_ENDIAN} -eq 0 -a ${HAVE_SYS_ENDIAN} -eq 0 ]; then echo "#define be32toh ntohl" echo "#define htobe32 htonl" fi cat << __HEREDOC__ #define HAVE_CMSG_XPG42 ${HAVE_CMSG_XPG42} #define HAVE_DIRENT_NAMLEN ${HAVE_DIRENT_NAMLEN} #define HAVE_ENDIAN ${HAVE_ENDIAN} #define HAVE_ERR ${HAVE_ERR} #define HAVE_FTS ${HAVE_FTS} #define HAVE_FTS_COMPARE_CONST ${HAVE_FTS_COMPARE_CONST} #define HAVE_GETLINE ${HAVE_GETLINE} #define HAVE_GETSUBOPT ${HAVE_GETSUBOPT} #define HAVE_ISBLANK ${HAVE_ISBLANK} #define HAVE_MKDTEMP ${HAVE_MKDTEMP} #define HAVE_NTOHL ${HAVE_NTOHL} #define HAVE_PLEDGE ${HAVE_PLEDGE} #define HAVE_PROGNAME ${HAVE_PROGNAME} #define HAVE_REALLOCARRAY ${HAVE_REALLOCARRAY} #define HAVE_RECALLOCARRAY ${HAVE_RECALLOCARRAY} #define HAVE_REWB_BSD ${HAVE_REWB_BSD} #define HAVE_REWB_SYSV ${HAVE_REWB_SYSV} #define HAVE_SANDBOX_INIT ${HAVE_SANDBOX_INIT} #define HAVE_STRCASESTR ${HAVE_STRCASESTR} #define HAVE_STRINGLIST ${HAVE_STRINGLIST} #define HAVE_STRLCAT ${HAVE_STRLCAT} #define HAVE_STRLCPY ${HAVE_STRLCPY} #define HAVE_STRNDUP ${HAVE_STRNDUP} #define HAVE_STRPTIME ${HAVE_STRPTIME} #define HAVE_STRSEP ${HAVE_STRSEP} #define HAVE_STRTONUM ${HAVE_STRTONUM} #define HAVE_SYS_ENDIAN ${HAVE_SYS_ENDIAN} #define HAVE_VASPRINTF ${HAVE_VASPRINTF} #define HAVE_WCHAR ${HAVE_WCHAR} #define HAVE_OHASH ${HAVE_OHASH} #define BINM_APROPOS "${BINM_APROPOS}" #define BINM_CATMAN "${BINM_CATMAN}" #define BINM_MAKEWHATIS "${BINM_MAKEWHATIS}" #define BINM_MAN "${BINM_MAN}" #define BINM_SOELIM "${BINM_SOELIM}" #define BINM_WHATIS "${BINM_WHATIS}" __HEREDOC__ if [ ${HAVE_ERR} -eq 0 ]; then echo "extern void err(int, const char *, ...);" echo "extern void errx(int, const char *, ...);" echo "extern void warn(const char *, ...);" echo "extern void warnx(const char *, ...);" fi [ ${HAVE_GETLINE} -eq 0 ] && \ echo "extern ssize_t getline(char **, size_t *, FILE *);" [ ${HAVE_GETSUBOPT} -eq 0 ] && \ echo "extern int getsubopt(char **, char * const *, char **);" [ ${HAVE_ISBLANK} -eq 0 ] && \ echo "extern int isblank(int);" [ ${HAVE_MKDTEMP} -eq 0 ] && \ echo "extern char *mkdtemp(char *);" if [ ${HAVE_PROGNAME} -eq 0 ]; then echo "extern const char *getprogname(void);" echo "extern void setprogname(const char *);" fi [ ${HAVE_REALLOCARRAY} -eq 0 ] && \ echo "extern void *reallocarray(void *, size_t, size_t);" [ ${HAVE_RECALLOCARRAY} -eq 0 ] && \ echo "extern void *recallocarray(void *, size_t, size_t, size_t);" [ ${HAVE_STRCASESTR} -eq 0 ] && \ echo "extern char *strcasestr(const char *, const char *);" [ ${HAVE_STRLCAT} -eq 0 ] && \ echo "extern size_t strlcat(char *, const char *, size_t);" [ ${HAVE_STRLCPY} -eq 0 ] && \ echo "extern size_t strlcpy(char *, const char *, size_t);" [ ${HAVE_STRNDUP} -eq 0 ] && \ echo "extern char *strndup(const char *, size_t);" [ ${HAVE_STRSEP} -eq 0 ] && \ echo "extern char *strsep(char **, const char *);" [ ${HAVE_STRTONUM} -eq 0 ] && \ echo "extern long long strtonum(const char *, long long, long long, const char **);" [ ${HAVE_VASPRINTF} -eq 0 ] && \ echo "extern int vasprintf(char **, const char *, va_list);" echo "file config.h: written" 1>&2 echo "file config.h: written" 1>&3 # --- tests for Makefile.local ----------------------------------------- exec > Makefile.local [ -z "${BINDIR}" ] && BINDIR="${PREFIX}/bin" [ -z "${SBINDIR}" ] && SBINDIR="${PREFIX}/sbin" [ -z "${BIN_FROM_SBIN}" ] && BIN_FROM_SBIN="../bin" [ -z "${INCLUDEDIR}" ] && INCLUDEDIR="${PREFIX}/include/mandoc" [ -z "${LIBDIR}" ] && LIBDIR="${PREFIX}/lib/mandoc" [ -z "${MANDIR}" ] && MANDIR="${PREFIX}/man" [ -z "${HTDOCDIR}" ] && HTDOCDIR="${WWWPREFIX}/htdocs" [ -z "${CGIBINDIR}" ] && CGIBINDIR="${WWWPREFIX}/cgi-bin" [ -z "${INSTALL_PROGRAM}" ] && INSTALL_PROGRAM="${INSTALL} -m 0555" [ -z "${INSTALL_LIB}" ] && INSTALL_LIB="${INSTALL} -m 0444" [ -z "${INSTALL_MAN}" ] && INSTALL_MAN="${INSTALL} -m 0444" [ -z "${INSTALL_DATA}" ] && INSTALL_DATA="${INSTALL} -m 0444" BUILD_TARGETS= [ ${BUILD_CGI} -gt 0 ] && BUILD_TARGETS="man.cgi" [ ${BUILD_CATMAN} -gt 0 ] && \ BUILD_TARGETS="${BUILD_TARGETS} mandocd catman" INSTALL_TARGETS= [ ${INSTALL_LIBMANDOC} -gt 0 ] && INSTALL_TARGETS="lib-install" [ ${BUILD_CGI} -gt 0 ] && INSTALL_TARGETS="${INSTALL_TARGETS} cgi-install" [ ${BUILD_CATMAN} -gt 0 ] && \ INSTALL_TARGETS="${INSTALL_TARGETS} catman-install" cat << __HEREDOC__ BUILD_TARGETS = ${BUILD_TARGETS} INSTALL_TARGETS = ${INSTALL_TARGETS} CC = ${CC} CFLAGS = ${CFLAGS} LDADD = ${LDADD} LDFLAGS = ${LDFLAGS} STATIC = ${STATIC} PREFIX = ${PREFIX} BINDIR = ${BINDIR} SBINDIR = ${SBINDIR} BIN_FROM_SBIN = ${BIN_FROM_SBIN} INCLUDEDIR = ${INCLUDEDIR} LIBDIR = ${LIBDIR} MANDIR = ${MANDIR} WWWPREFIX = ${WWWPREFIX} HTDOCDIR = ${HTDOCDIR} CGIBINDIR = ${CGIBINDIR} BINM_APROPOS = ${BINM_APROPOS} BINM_CATMAN = ${BINM_CATMAN} BINM_MAKEWHATIS = ${BINM_MAKEWHATIS} BINM_MAN = ${BINM_MAN} BINM_SOELIM = ${BINM_SOELIM} BINM_WHATIS = ${BINM_WHATIS} MANM_MAN = ${MANM_MAN} MANM_MANCONF = ${MANM_MANCONF} MANM_MDOC = ${MANM_MDOC} MANM_ROFF = ${MANM_ROFF} MANM_EQN = ${MANM_EQN} MANM_TBL = ${MANM_TBL} INSTALL = ${INSTALL} INSTALL_PROGRAM = ${INSTALL_PROGRAM} INSTALL_LIB = ${INSTALL_LIB} INSTALL_MAN = ${INSTALL_MAN} INSTALL_DATA = ${INSTALL_DATA} LN = ${LN} __HEREDOC__ echo "file Makefile.local: written" 1>&2 echo "file Makefile.local: written" 1>&3 exit 0