diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 590 |
1 files changed, 590 insertions, 0 deletions
diff --git a/configure b/configure new file mode 100755 index 0000000..7b86bb4 --- /dev/null +++ b/configure @@ -0,0 +1,590 @@ +#!/bin/sh + +usage () { + cat <<EOF +Usage: $0 [OPTION]... [VAR=VALUE]... [TARGET] + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +System types: + --target=TARGET configure to run on target TARGET [detected] + --host=TARGET same as --target + +Installation directories: + --prefix=PREFIX main installation prefix [/] + +Fine tuning of the installation directories: + --dynlibdir=DIR shared library files [PREFIX/lib] + --libdir=DIR static library files [PREFIX/usr/lib/skalibs] + --includedir=DIR include files for the C compiler [PREFIX/usr/include] + --datadir=DIR global configuration files [PREFIX/etc] + --sysdepdir=DIR sysdeps directory [PREFIX/usr/lib/skalibs/sysdeps] + +Dependencies: + --with-sysdeps=DIR use provided sysdeps in DIR [autodetected] + --with-include=DIR add DIR to the list of searched directories for headers + --with-lib=DIR add DIR to the list of searched directories for static libraries + --with-dynlib=DIR add DIR to the list of searched directories for shared libraries + +Optional features: + --disable-shared do not build shared libraries [enabled] + --disable-static do not build static libraries [enabled] + --enable-slashpackage[=ROOT] assume /package installation at ROOT [disabled] + --enable-cross=PREFIX prefix toolchain executable names with PREFIX [none] + +skalibs options: + --enable-libc-replacements use independent low-level primitives [disabled] + --enable-egd=PATH support an EGD daemon listening on PATH as RNG [disabled] + --disable-ipv6 do not build IPv6 support [enabled] + --enable-iopause-select prefer select() over poll() for iopause implementation [disabled] + --enable-tai-clock assume the system clock is TAI-10 instead of UTC [disabled] + --enable-right-tz assume the timezone is Olson's right/ instead of posix/ [disabled] + --enable-clock use clock_gettime() instead of gettimeofday() [disabled] + --enable-monotonic count time with CLOCK_MONOTONIC instead of CLOCK_REALTIME + --enable-force-devr assume /dev/random exists and is valid [autodetection takes time] + --with-default-path=PATH default executable search path [/usr/bin:/bin] + +EOF + exit 0 +} + + +# Helper functions + +# If your system does not have printf, you can comment this, but it is +# generally not a good idea to use echo. +# See http://www.etalabs.net/sh_tricks.html +echo () { + IFS=" " + printf %s\\n "$*" +} + +quote () { + tr '\n' ' ' <<EOF | grep '^[-[:alnum:]_=,./:]* $' >/dev/null 2>&1 && { echo "$1" ; return 0 ; } +$1 +EOF + echo "$1" | sed -e "s/'/'\\\\''/g" -e "1s/^/'/" -e "\$s/\$/'/" -e "s#^'\([-[:alnum:]_,./:]*\)=\(.*\)\$#\1='\2#" -e "s|\*/|* /|g" +} + +fail () { + echo "$*" + exit 1 +} + +fnmatch () { + eval "case \"\$2\" in $1) return 0 ;; *) return 1 ;; esac" +} + +cmdexists () { + type "$1" >/dev/null 2>&1 +} + +trycc () { + test -z "$CC_AUTO" && cmdexists "$1" && CC_AUTO=$1 +} + +stripdir () { + while eval "fnmatch '*/' \"\${$1}\"" ; do + eval "$1=\${$1%/}" + done +} + +tryflag () { + echo "Checking whether compiler accepts $2 ..." + echo "typedef int x;" > "$tmpc" + if $CC_AUTO "$2" -c -o /dev/null "$tmpc" >/dev/null 2>&1 ; then + echo " ... yes" + eval "$1=\"\${$1} \$2\"" + eval "$1=\${$1# }" + return 0 + else + echo " ... no" + return 1 + fi +} + +tryldflag () { + echo "Checking whether linker accepts $2 ..." + echo "typedef int x;" > "$tmpc" + if $CC_AUTO -nostdlib "$2" -o /dev/null "$tmpc" >/dev/null 2>&1 ; then + echo " ... yes" + eval "$1=\"\${$1} \$2\"" + eval "$1=\${$1# }" + return 0 + else + echo " ... no" + return 1 + fi +} + +choose () { + echo "Checking whether system has $4..." + r=true + case "$1" in + *c*) $CC_AUTO $CPPFLAGS_AUTO $CFLAGS_AUTO -o try$2.o -c src/sysdeps/try$2.c 2>/dev/null || r=false ;; + esac + if $r ; then + case "$1" in + *l*) $CC_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o try$2 try$2.o $5 2>/dev/null || r=false ;; + esac + fi + if $r ; then + case "$1" in + *r*) ./try$2 >/dev/null 2>&1 || r=false ;; + esac + fi + rm -f try$2.o try$2 + if $r ; then + echo "$2: yes" >> $sysdeps/sysdeps + echo "#define ${package_macro_name}_HAS$3" >> $sysdeps/sysdeps.h + echo " ... yes" + else + echo "$2: no" >> $sysdeps/sysdeps + echo "#undef ${package_macro_name}_HAS$3" >> $sysdeps/sysdeps.h + echo " ... no" + fi +} + +trytypesize() { + echo "Checking size of $3..." + $CC_AUTO $CPPFLAGS_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o trysizeof$1 src/sysdeps/trysizeof$1.c + type_size=$(./trysizeof$1) || fail "$0: unable to determine size of $3" + type_bits=$(expr 8 \* $type_size) + rm -f trysizeof$1 + echo "sizeof$1: $type_size" >> $sysdeps/sysdeps + echo "#define ${package_macro_name}_SIZEOF$2 $type_size" >> $sysdeps/sysdeps.h + echo "#define ${package_macro_name}_$2_BITS $type_bits" >> $sysdeps/sysdeps.h + echo " ... $type_size" +} + +# Actual script + +CC_AUTO="$CC" +CFLAGS_AUTO="$CFLAGS" +CPPFLAGS_AUTO="-D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=600 $CPPFLAGS" +LDFLAGS_AUTO="$LDFLAGS" +LDFLAGS_NOSHARED= +prefix= +dynlibdir='$prefix/lib' +libdir='$prefix/usr/lib/skalibs' +includedir='$prefix/usr/include' +datadir='$prefix/etc' +sysdepdir='$prefix/usr/lib/$package/sysdeps' +sysdeps= +shared=true +static=true +slashpackage=false +replacements=false +egd= +ipv6=true +select=false +taiclock=false +righttz=false +clockrt=false +clockmon=false +forcedevr=false +defaultpath=/usr/bin:/bin +sproot= +home= +exthome= +addincpath='' +addlibspath='' +addlibdpath='' +vpaths='' +vpathd='' +cross="$CROSS_COMPILE" + +. package/info + +for arg ; do + case "$arg" in + --help) usage ;; + --prefix=*) prefix=${arg#*=} ;; + --dynlibdir=*) dynlibdir=${arg#*=} ;; + --libdir=*) libdir=${arg#*=} ;; + --includedir=*) includedir=${arg#*=} ;; + --datadir=*) datadir=${arg#*=} ;; + --sysdepdir=*) sysdepdir=${arg#*=} ;; + --with-sysdeps=*) sysdeps=${arg#*=} ;; + --with-include=*) var=${arg#*=} ; stripdir var ; addincpath="$addincpath -I$var" ;; + --with-lib=*) var=${arg#*=} ; stripdir var ; addlibspath="$addlibspath -L$var" ; vpaths="$vpaths $var" ;; + --with-dynlib=*) var=${arg#*=} ; stripdir var ; addlibdpath="$addlibdpath -L$var" ; vpathd="$vpathd $var" ;; + --enable-shared|--enable-shared=yes) shared=true ;; + --disable-shared|--enable-shared=no) shared=false ;; + --enable-static|--enable-static=yes) static=true ;; + --disable-static|--enable-static=no) static=false ;; + --enable-slashpackage=*) sproot=${arg#*=} ; slashpackage=true ; ;; + --enable-slashpackage) sproot= ; slashpackage=true ;; + --disable-slashpackage) sproot= ; slashpackage=false ;; + --enable-cross=*) cross=${arg#*=} ;; + --enable-cross) cross= ;; + --disable-cross) cross= ;; + --enable-libc-replacements|--enable-libc-replacements=yes) replacements=true ;; + --disable-libc-replacements|--enable-libc-replacements=no) replacements=false ;; + --enable-egd=*) egd=${arg#*=} ;; + --disable-egd) egd= ;; + --enable-ipv6|--enable-ipv6=yes) ipv6=true ;; + --disable-ipv6|--enable-ipv6=no) ipv6=false ;; + --enable-iopause-select|--enable-iopause-select=yes) select=true ;; + --disable-iopause-select|--enable-iopause-select=no) select=false ;; + --enable-tai-clock|--enable-tai-clock=yes) taiclock=true ;; + --disable-tai-clock|--enable-tai-clock=no) taiclock=false ;; + --enable-right-tz|--enable-right-tz=yes) righttz=true ;; + --disable-right-tz|--enable-right-tz=no) righttz=false ;; + --enable-clock|--enable-clock=yes) clockrt=true ;; + --disable-clock|--enable-clock=no) clockrt=false ;; + --enable-monotonic|--enable-monotonic=yes) clockmon=true ;; + --disable-monotonic|--enable-monotonic=no) clockmon=false ;; + --enable-force-devr|--enable-force-devr=yes) forcedevr=true ;; + --disable-force-devr|--enable-force-devr=no) forcedevr=false ;; + --with-default-path=*) defaultpath=${arg#*=} ;; + --without-default-path) defaultpath=/usr/bin:/bin ;; + --enable-*|--disable-*|--with-*|--without-*|--*dir=*|--build=*) ;; + --host=*|--target=*) target=${arg#*=} ;; + -* ) echo "$0: unknown option $arg" ;; + *=*) ;; + *) target=$arg ;; + esac +done + +for i in prefix exec_prefix dynlibdir libdir includedir datadir sysdepdir sysdeps sproot ; do + eval tmp=\${$i} + eval $i=$tmp + stripdir $i +done + +# Get usable temp filenames +i=0 +set -C +while : ; do + i=$(($i+1)) + tmpc="./tmp-configure-$$-$PPID-$i.c" + tmpe="./tmp-configure-$$-$PPID-$i.tmp" + 2>|/dev/null > "$tmpc" && break + 2>|/dev/null > "$tmpe" && break + test "$i" -gt 50 && fail "$0: cannot create temporary files" +done +set +C +trap 'rm -f "$tmpc" "$tmpe"' EXIT ABRT INT QUIT TERM HUP + +# Set slashpackage values +if $slashpackage ; then + home=${sproot}/package/${category}/${package}-${version} + exthome=${sproot}/package/${category}/${package} + sysdepdir=${home}/sysdeps + binprefix=${home}/command + extbinprefix=${exthome}/command + dynlibdir=${home}/library.so + libdir=${home}/library + includedir=${home}/include +fi + +# Find a C compiler to use +echo "Checking for C compiler..." +trycc ${cross}gcc +trycc ${cross}c99 +trycc ${cross}cc +test -n "$CC_AUTO" || { echo "$0: cannot find a C compiler" ; exit 1 ; } +echo " ... $CC_AUTO" +echo "Checking whether C compiler works... " +echo "typedef int x;" > "$tmpc" +if $CC_AUTO $CPPFLAGS_AUTO $CFLAGS_AUTO -c -o /dev/null "$tmpc" 2>"$tmpe" ; then + echo " ... yes" +else + echo " ... no. Compiler output follows:" + cat < "$tmpe" + exit 1 +fi + +echo "Checking target system type..." +test -n "$target" || target=$($CC_AUTO -dumpmachine 2>/dev/null) || target=unknown +echo " ... $target" + +tryflag CFLAGS_AUTO -std=c99 +tryflag CFLAGS_AUTO -fomit-frame-pointer +tryflag CFLAGS_AUTO -fno-exceptions +tryflag CFLAGS_AUTO -fno-unwind-tables +tryflag CFLAGS_AUTO -fno-asynchronous-unwind-tables +tryflag CFLAGS_AUTO -Wa,--noexecstack +tryflag CFLAGS_AUTO -fno-stack-protector +tryflag CPPFLAGS_AUTO -Werror=implicit-function-declaration +tryflag CPPFLAGS_AUTO -Werror=implicit-int +tryflag CPPFLAGS_AUTO -Werror=pointer-sign +tryflag CPPFLAGS_AUTO -Werror=pointer-arith +tryflag CPPFLAGS_AUTO -Wno-parentheses +tryflag CPPFLAGS_AUTO -Wno-uninitialized +tryflag CPPFLAGS_AUTO -Wno-missing-braces +tryflag CPPFLAGS_AUTO -Wno-unused-value +tryflag CPPFLAGS_AUTO -Wno-unused-but-set-variable +tryflag CPPFLAGS_AUTO -Wno-unknown-pragmas +tryflag CPPFLAGS_AUTO -Wno-pointer-to-int-cast + +if $shared ; then + tryldflag LDFLAGS_AUTO -Wl,--hash-style=both +fi + +if test -n "$sysdeps" ; then + if test ! -d $sysdeps || test ! -f $sysdeps/target ; then + echo "$0: error: $sysdeps is not a valid sysdeps directory" + exit 1 + fi + if [ "x$target" != "x$(cat $sysdeps/target)" ] ; then + echo "$0: error: target $target does not match the contents of $sysdepdir/target" + exit 1 + fi + echo "Using pre-computed sysdeps in $sysdeps." + rt_lib=$(cat $sysdeps/rt.lib) + socket_lib=$(cat $sysdeps/socket.lib) + sysclock_lib=$(cat $sysdeps/sysclock.lib) + tainnow_lib=$(cat $sysdeps/tainnow.lib) + util_lib=$(cat $sysdeps/util.lib) + if test -n "$egd" ; then + egd=$(grep -F egd: $sysdeps/sysdeps | cut -d' ' -f2-) + echo "warning: --enable-egd option ignored, using sysdeps-provided value instead: $egd" + fi +else + sysdeps=sysdeps.cfg + mkdir -p $sysdeps + echo "$target" > $sysdeps/target + echo "target: $target" > $sysdeps/sysdeps + cat <<EOF > $sysdeps/sysdeps.h +/* ISC license. */ + +#ifndef SYSDEPS_H +#define SYSDEPS_H + +#define SKALIBS_TARGET "$target" +EOF + + util_lib= + echo > $sysdeps/util.lib + + echo "Checking whether socket functions need an additional library..." + $CC_AUTO $CPPFLAGS_AUTO $CFLAGS_AUTO -c -o trylsock.o src/sysdeps/trylsock.c || fail "$0: compiler cannot compile src/sysdeps/trylsock.c" + if $CC_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o /dev/null trylsock.o 2>/dev/null ; then + socket_lib= + echo " ... no" + elif $CC_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o /dev/null trylsock.o -lsocket 2>/dev/null ; then + socket_lib=-lsocket + echo " ... -lsocket" + elif $CC_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o /dev/null trylsock.o -lsocket -lnsl 2>/dev/null ; then + socket_lib="-lsocket -lnsl" + echo " ... -lsocket -lnsl" + else + fail "$0: unable to determine socket.lib sysdep" + fi + rm -f trylsock.o + echo "$socket_lib" > $sysdeps/socket.lib + + echo "Checking whether clock functions are available..." + rt_lib= + if $CC_AUTO $CPPFLAGS_AUTO $CFLAGS_AUTO -c -o tryclockrt.o src/sysdeps/tryclockrt.c 2>/dev/null ; then + if $CC_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o /dev/null tryclockrt.o 2>/dev/null ; then + hasclock=true + echo " ... yes" + elif $CC_AUTO $CFLAGS_AUTO $LDFLAGS_AUTO -o /dev/null tryclockrt.o -lrt 2>/dev/null ; then + hasclock=true + echo " ... yes, with -lrt" + rt_lib=-lrt + else + hasclock=false + fi + rm -f tryclockrt.o + else + hasclock=false + fi + echo "$rt_lib" > $sysdeps/rt.lib + if $clockrt ; then + echo "$rt_lib" > $sysdeps/sysclock.lib + echo "$rt_lib" > $sysdeps/tainnow.lib + else + echo > $sysdeps/sysclock.lib + if $clockmon ; then + echo "$rt_lib" > $sysdeps/tainnow.lib + else + echo > $sysdeps/tainnow.lib + fi + fi + if $hasclock ; then + rm -f tryclockrt + echo 'clockrt: yes' >> $sysdeps/sysdeps + echo "#define ${package_macro_name}_HASCLOCKRT" >> $sysdeps/sysdeps.h + choose cl clockmon CLOCKMON CLOCK_MONOTONIC $rt_lib + else + echo 'clockrt: no' >> $sysdeps/sysdeps + echo "#undef ${package_macro_name}_HASCLOCKRT" >> $sysdeps/sysdeps.h + echo ' ... no' + fi + + echo "Checking system endianness..." + $CC_AUTO $CPPFLAGS_AUTO $CFLAGS_AUTO -o tryendianness src/sysdeps/tryendianness.c + endianness=$(./tryendianness) || fail "$0: unable to determine endianness" + echo "endianness: $endianness" >> $sysdeps/sysdeps + echo "#define ${package_macro_name}_ENDIANNESS \"$endianness\"" >> $sysdeps/sysdeps.h + echo " ... $endianness" + rm -f tryendianness + + trytypesize ushort USHORT "unsigned short" + trytypesize uint UINT "unsigned int" + trytypesize ulong ULONG "unsigned long" + trytypesize gid GID "gid_t" + trytypesize time TIME "time_t" + choose clr accept4 ACCEPT4 'accept4()' + choose clr ancilautoclose ANCILAUTOCLOSE 'auto-close after fd-passing' + choose c cmsgcloexec CMSGCLOEXEC 'MSG_CMSG_CLOEXEC' + choose clr devurandom DEVURANDOM '/dev/urandom' + choose c eproto EPROTO EPROTO + choose cl eventfd EVENTFD 'eventfd()' + choose cl flock FLOCK 'flock()' + choose cl getpeereid GETPEEREID 'getpeereid()' + choose cl sopeercred SOPEERCRED 'SO_PEERCRED' + choose cl getpeerucred GETPEERUCRED 'getpeerucred()' + choose cl ipv6 IPV6 'IPv6 support' $socket_lib + choose clr malloc0 MALLOC0 'non-NULL malloc(0)' + choose cl openat OPENAT 'openat()' + choose cl linkat LINKAT 'linkat()' + choose clr pipe2 PIPE2 'pipe2()' + choose cl posixspawn POSIXSPAWN 'posix_spawn()' + choose clr ppoll PPOLL 'ppoll()' + choose cl revoke REVOKE 'revoke()' + choose cl sendfile SENDFILE 'sendfile()' + choose cl setgroups SETGROUPS 'setgroups()' + choose cl settimeofday SETTIMEOFDAY 'settimeofday()' + choose clr signalfd SIGNALFD 'signalfd()' + choose clr splice SPLICE 'splice()' + choose cl strcasestr STRCASESTR 'strcasestr()' + choose c uint64t UINT64T 'uint64_t' + + if $forcedevr ; then + echo "/dev/random detection override required, assuming it exists and is working." + echo "devrandom: yes" >> $sysdeps/sysdeps + echo "#define ${package_macro_name}_HASDEVRANDOM" >> $sysdeps/sysdeps.h + else + choose clr devrandom DEVRANDOM /dev/random + fi + if test -n "$egd" ; then + if echo "$egd" | grep -q '[^[:alnum:]/_-]' ; then + fail "$0: invalid EGD path: $egd" + fi + echo "egd: $egd" >> $sysdeps/sysdeps + echo "#define ${package_macro_name}_HASEGD \"$egd\"" >> $sysdeps/sysdeps.h + fi + echo '#endif' >> $sysdeps/sysdeps.h +fi + +echo "Copying $sysdeps/sysdeps.h to src/include/${package}/sysdeps.h ..." +cat < $sysdeps/sysdeps.h > src/include/${package}/sysdeps.h +echo " ... done" + +echo "Creating config.mak..." +cmdline=$(quote "$0") +for i ; do cmdline="$cmdline $(quote "$i")" ; done +exec 3>&1 1>config.mak +cat << EOF +# This file was generated by: +# $cmdline +# Any changes made here will be lost if configure is re-run. + +target := $target +package := $package +prefix := $prefix +datadir := $datadir +sysdepdir := $sysdepdir +dynlibdir := $dynlibdir +libdir := $libdir +includedir := $includedir +sysdeps := $sysdeps +version := $version +sproot := $sproot +home := $home +exthome := $exthome +ipv6 := $ipv6 +RT_LIB := ${rt_lib} +SOCKET_LIB := ${socket_lib} +SYSCLOCK_LIB := ${sysclock_lib} +TAINNOW_LIB := ${tainnow_lib} +UTIL_LIB := ${util_lib} +CC := $CC_AUTO +CFLAGS := $CFLAGS_AUTO +CPPFLAGS := $CPPFLAGS_AUTO +LDFLAGS := $LDFLAGS_AUTO +LDFLAGS_NOSHARED := $LDFLAGS_NOSHARED +CROSS_COMPILE := $cross +EOF +if test -n "$vpaths" ; then + echo "vpath lib%a$vpaths" +fi +if test -n "$vpathd" ; then + echo "vpath lib%.so$vpathd" +fi + +$static || echo "STATIC_LIBS :=" +$shared || echo "SHARED_LIBS :=" +exec 1>&3 3>&- +echo " ... done." + +echo "Creating src/include/${package}/config.h..." +mkdir -p -m 0755 src/include/${package} +exec 3>&1 1> src/include/${package}/config.h +cat <<EOF +/* ISC license. */ + +/* Generated by: $cmdline */ + +#ifndef ${package_macro_name}_CONFIG_H +#define ${package_macro_name}_CONFIG_H + +#define ${package_macro_name}_VERSION "$version" +#define ${package_macro_name}_DEFAULTPATH "$defaultpath" +#define ${package_macro_name}_ETC "$datadir" +#define ${package_macro_name}_SPROOT "$sproot" +#define ${package_macro_name}_HOME "$home" +EOF +if $replacements ; then + echo "#define ${package_macro_name}_FLAG_REPLACE_LIBC" +else + echo "#undef ${package_macro_name}_FLAG_REPLACE_LIBC" +fi +if $taiclock ; then + echo "#define ${package_macro_name}_FLAG_CLOCKISTAI" +else + echo "#undef ${package_macro_name}_FLAG_CLOCKISTAI" +fi +if $righttz ; then + echo "#define ${package_macro_name}_FLAG_TZISRIGHT" +else + echo "#undef ${package_macro_name}_FLAG_TZISRIGHT" +fi +if $clockrt ; then + echo "#define ${package_macro_name}_FLAG_USERT" +else + echo "#undef ${package_macro_name}_FLAG_USERT" +fi +if $clockmon ; then + echo "#define ${package_macro_name}_FLAG_USEMON" +else + echo "#undef ${package_macro_name}_FLAG_USEMON" +fi +if $ipv6 ; then + echo "#define ${package_macro_name}_FLAG_WANTIPV6" +else + echo "#undef ${package_macro_name}_FLAG_WANTIPV6" +fi +if $select ; then + echo "#define ${package_macro_name}_FLAG_PREFERSELECT" +else + echo "#undef ${package_macro_name}_FLAG_PREFERSELECT" +fi +if test -n "$egd" ; then + echo "#define ${package_macro_name}_EGD $egd" +else + echo "#undef ${package_macro_name}_EGD" +fi + +echo +echo "#endif" +exec 1>&3 3>&- +echo " ... done." |