diff options
Diffstat (limited to 'configure')
| -rwxr-xr-x | configure | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/configure b/configure new file mode 100755 index 0000000..552373d --- /dev/null +++ b/configure @@ -0,0 +1,383 @@ +#!/bin/sh + +usage () { +cat <<EOF +Usage: $0 [OPTION]... [VAR=VALUE]... [TARGET] + +To assign environment variables (e.g., CC, CFLAGS...), specify them as +VAR=VALUE. See below for descriptions of some of the useful variables. + +Defaults for the options are specified in brackets. + +System types: + --target=TARGET configure to run on target TARGET [detected] + --host=TARGET same as --target + +Installation directories: + --prefix=PREFIX main installation prefix [/] + --exec-prefix=EPREFIX installation prefix for executable files [PREFIX] + +Fine tuning of the installation directories: + --dynlibdir=DIR shared library files [PREFIX/lib] + --bindir=DIR user executables [EPREFIX/bin] + --sbindir=DIR admin executables [EPREFIX/sbin] + --libexecdir=DIR package-scoped executables [EPREFIX/libexec] + --libdir=DIR static library files [PREFIX/lib] + --includedir=DIR include files for the C compiler [PREFIX/include] + +Dependencies: + --with-sysdeps=DIR use sysdeps in DIR [/usr/lib/skalibs/sysdeps] + --with-include=DIR add DIR to the list of searched directories for headers + --with-lib=DIR add DIR to the list of searched directories for static libraries + --with-dynlib=DIR add DIR to the list of searched directories for shared libraries + +Optional features: + --disable-allstatic do not prefer linking against static libraries [enabled] + --enable-static-libc make entirely static binaries [disabled] + --enable-slashpackage[=ROOT] assume /package installation at ROOT [disabled] + --enable-cross=PREFIX prefix toolchain executable names with PREFIX [none] + +EOF +exit 0 +} + + +# Helper functions + +# If your system does not have printf, you can comment this, but it is +# generally not a good idea to use echo. +# See http://www.etalabs.net/sh_tricks.html +echo () { + IFS=" " + printf %s\\n "$*" +} + +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 $CPPFLAGS_AUTO $CFLAGS_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 $CFLAGS_AUTO $LDFLAGS_AUTO -nostdlib "$2" -o /dev/null "$tmpc" >/dev/null 2>&1 ; then + echo " ... yes" + eval "$1=\"\${$1} \$2\"" + eval "$1=\${$1# }" + return 0 + else + echo " ... no" + return 1 + fi +} + + +# Actual script + +. package/info + +CC_AUTO="$CC" +CFLAGS_AUTO="$CFLAGS" +CPPFLAGS_AUTO="-D_POSIX_C_SOURCE=200809L -D_XOPEN_SOURCE=600 $CPPFLAGS" +LDFLAGS_AUTO="$LDFLAGS" +LDFLAGS_NOSHARED= +prefix= +exec_prefix='$prefix' +dynlibdir='$prefix/lib' +libexecdir='$exec_prefix/libexec' +bindir='$exec_prefix/bin' +sbindir='$exec_prefix/sbin' +libdir='$prefix/usr/lib/'$package +includedir='$prefix/usr/include' +sysdeps='$prefix/usr/lib/skalibs/sysdeps' +manualsysdeps=false +shared=false +static=true +slashpackage=false +sproot= +home= +exthome= +allstatic=true +evenmorestatic=false +addincpath='' +addlibspath='' +addlibdpath='' +vpaths='' +vpathd='' +cross="$CROSS_COMPILE" + +for arg ; do + case "$arg" in + --help) usage ;; + --prefix=*) prefix=${arg#*=} ;; + --exec-prefix=*) exec_prefix=${arg#*=} ;; + --dynlibdir=*) dynlibdir=${arg#*=} ;; + --libexecdir=*) libexecdir=${arg#*=} ;; + --bindir=*) bindir=${arg#*=} ;; + --sbindir=*) sbindir=${arg#*=} ;; + --libdir=*) libdir=${arg#*=} ;; + --includedir=*) includedir=${arg#*=} ;; + --with-sysdeps=*) sysdeps=${arg#*=} manualsysdeps=true ;; + --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 $var" ;; + --enable-shared|--enable-shared=yes) shared=true ;; + --disable-shared|--enable-shared=no) shared=false ;; + --enable-static|--enable-static=yes) static=true ;; + --disable-static|--enable-static=no) static=false ;; + --enable-allstatic|--enable-allstatic=yes) allstatic=true ;; + --disable-allstatic|--enable-allstatic=no) allstatic=false ;; + --enable-static-libc|--enable-static-libc=yes) evenmorestatic=true ;; + --disable-static-libc|--enable-static-libc=no) evenmorestatic=false ;; + --enable-slashpackage=*) sproot=${arg#*=} ; slashpackage=true ; ;; + --enable-slashpackage) sproot= ; slashpackage=true ;; + --disable-slashpackage) sproot= ; slashpackage=false ;; + --enable-cross=*) cross=${arg#*=} ;; + --enable-cross) cross= ;; + --disable-cross) cross= ;; + --enable-*|--disable-*|--with-*|--without-*|--*dir=*|--build=*) ;; + --host=*|--target=*) target=${arg#*=} ;; + -* ) echo "$0: unknown option $arg" ;; + *=*) ;; + *) target=$arg ;; + esac +done + +for i in prefix exec_prefix dynlibdir libexecdir bindir sbindir libdir includedir linkdynlibdir linkbindir linksbindir sysdeps sproot skalibs ; 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} + if $manualsysdeps ; then + : + else + sysdeps=${sproot}/package/prog/skalibs/sysdeps + fi + binprefix=${home}/command + extbinprefix=${exthome}/command + dynlibdir=${home}/library.so + libexecdir=$binprefix + bindir=$binprefix + sbindir=$binprefix + libdir=${home}/library + includedir=${home}/include + while read dep ; do + addincpath="$addincpath -I${sproot}${dep}/include" + vpaths="$vpaths ${sproot}${dep}/library" + addlibspath="$addlibspath -L${sproot}${dep}/library" + if $allstatic ; then : ; else + vpathd="$vpathd ${sproot}${dep}/library.so" + addlibdpath="$addlibdpath -L${sproot}${dep}/library.so" + fi + done < package/deps-build +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" +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 $sysdeps/target" + exit 1 +fi + +rt_lib=$(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) + +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 $evenmorestatic ; then + LDFLAGS_NOSHARED=-static +fi + +if $shared ; then + tryldflag LDFLAGS_AUTO -Wl,--hash-style=both +fi + +if test -z "$vpaths" ; then + while read dep ; do + base=$(basename $dep) ; + vpaths="$vpaths /usr/lib/$base" + addlibspath="$addlibspath -L/usr/lib/$base" + done < package/deps-build +fi + +CPPFLAGS_AUTO="$CPPFLAGS_AUTO $addincpath" +LDFLAGS_AUTO="$LDFLAGS_AUTO $addlibspath" +$allstatic || LDFLAGS_AUTO="$LDFLAGS_AUTO $addlibdpath" + +echo "creating config.mak..." +cmdline=$(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 +exec_prefix := $exec_prefix +dynlibdir := $dynlibdir +libexecdir := $libexecdir +bindir := $bindir +sbindir := $sbindir +libdir := $libdir +includedir := $includedir +sysdeps := $sysdeps +slashpackage := $slashpackage +sp_root := $sproot +version := $version +home := $home +exthome := $exthome +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 := $cross + +vpath lib%a$vpaths +EOF +if $allstatic ; then + echo ".LIBPATTERNS := lib%.a" + vpathd= +fi + echo "vpath lib%.so$vpathd" +echo +$static || echo "STATIC_LIBS :=" +$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" +EOF +if $slashpackage ; then + echo "#define ${package_macro_name}_BINPREFIX \"$binprefix\"" + echo "#define ${package_macro_name}_EXTBINPREFIX \"$extbinprefix\"" + echo "#define ${package_macro_name}_LIBEXECPREFIX \"$binprefix\"" +else + echo "#define ${package_macro_name}_BINPREFIX \"\"" + echo "#define ${package_macro_name}_EXTBINPREFIX \"\"" + echo "#define ${package_macro_name}_LIBEXECPREFIX \"$libexecdir\"" +fi +echo +echo "#endif" +exec 1>&3 3>&- +echo " ... done." |