Added a configure script to emulate GNU autoconf and related changes.
Changes included in this set: * Added strlcat() and strlcpy() from OpenBSD, always use them if the system does not have them built in. * Changed an array of PATH_MAX size allocated in the stack, to a dynamically allocated buffer from heap. This should reduce memory usage a bit. * Simplify code that implemented a homegrown realpath(3) implementation, simply use realpath(3). * If compiler supports -fstack-protector, build all code with -D_FORTIFY_SOURCE=2 and --param ssp-buffer-size=1 so that all buffers are protected.
This commit is contained in:
Juan RP
418
configure
vendored
Executable file
418
configure
vendored
Executable file
@@ -0,0 +1,418 @@
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#!/bin/sh
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# Try and be like autotools configure, but without autotools
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# Ensure that we do not inherit these from env
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STRLCPY=
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STRLCAT=
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OS=
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BUILD=
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HOST=
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TARGET=
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DEBUG=
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BUILD_API_DOCS=
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BUILD_PIE=
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EXTERNAL_PROPLIB=
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usage()
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{
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cat <<_EOF
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\`configure' configures XBPS to adapt to many kinds of systems.
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By default, \`make install' will install all the files in
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\`/usr/local/sbin', \`/usr/local/lib' etc. You can specify
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an installation prefix other than \`/usr/local' using \`--prefix',
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for instance \`--prefix=\$HOME'.
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--prefix=DIR install architecture-independent files in PREFIX
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--sbindir=DIR system admin executables [PREFIX/sbin]
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--libdir=DIR object code libraries [PREFIX/lib]
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--includedir=DIR C header files [PREFIX/include]
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--mandir=DIR man documentation [PREFIX/share/man]
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--datadir=DIR read-only architecture-independent data [PREFIX/share]
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--debug Build with debugging code and symbols
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--with-pie Build XBPS programs as PIE (default disabled)
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--with-api-docs install XBPS API Library documentation (default disabled)
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--with-external-proplib Use external proplib [default disabled]
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_EOF
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exit 1
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}
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for x; do
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opt=${x%%=*}
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var=${x#*=}
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case "$opt" in
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--debug) DEBUG=yes;;
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--prefix) PREFIX=$var;;
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--sbindir) SBINDIR=$var;;
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--mandir) MANDIR=$var;;
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--datadir) SHAREDIR=$var;;
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--build) BUILD=$var;;
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--host) HOST=$var;;
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--target) TARGET=$var;;
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--includedir) INCLUDEDIR=$var;;
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--libdir) LIBDIR=$var;;
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--datadir|--infodir) ;; # ignore autotools
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--with-api-docs) BUILD_API_DOCS=$var;;
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--with-pie) BUILD_PIE=$var;;
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--with-external-proplib) EXTERNAL_PROPLIB=$var;;
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--help) usage;;
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*) echo "$0: WARNING: unknown option $opt" >&2;;
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esac
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done
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: ${SED:=sed}
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: ${PREFIX:=/usr/local}
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: ${SYSCONFDIR:=${PREFIX}/etc}
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: ${SBINDIR:=${PREFIX}/sbin}
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: ${LIBDIR:=${PREFIX}/lib}
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: ${SHAREDIR:=${PREFIX}/share}
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: ${MANDIR:=${PREFIX}/share/man}
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: ${INCLUDEDIR:=${PREFIX}/include}
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: ${TOPDIR:=..}
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_which()
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{
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x="$(which "$1" 2>/dev/null)"
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if [ -n "$x" ]; then
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echo "$x"
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return 0
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fi
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for x in /sbin/"$1" /usr/sbin/"$1" \
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/usr/pkg/sbin/"$1" /usr/local/sbin/"$1"
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do
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if [ -e "$x" ]; then
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echo "$x"
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return 0
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fi
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done
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return 1
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}
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CONFIG_H=config.h
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CONFIG_MK=config.mk
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if [ -z "$BUILD" ]; then
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BUILD=`uname -m`-unknown-`uname -s | tr '[:upper:]' '[:lower:]'`
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fi
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if [ -z "$HOST" ]; then
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[ -z "$TARGET" ] && TARGET=$BUILD
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HOST=$TARGET
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fi
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if [ -z "$TARGET" ]; then
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[ -z "$HOST" ] && HOST=$BUILD
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TARGET=$HOST
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fi
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if [ -z "$OS" ]; then
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# Derive OS from cpu-manufacturer-os-kernel
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CPU=${TARGET%%-*}
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REST=${TARGET#*-}
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MANU=${REST%%-*}
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REST=${REST#*-}
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OS=${REST%%-*}
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REST=${REST#*-}
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KERNEL=${REST%%-*}
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fi
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echo "Configuring xbps for ... $OS"
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rm -f $CONFIG_H $CONFIG_MK
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echo "# Common vars used by XBPS on $OS." >$CONFIG_MK
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echo "/* $OS */" >$CONFIG_H
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echo "TOPDIR ?= $TOPDIR" >>$CONFIG_MK
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echo "PREFIX ?= $PREFIX" >>$CONFIG_MK
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echo "SBINDIR ?= $SBINDIR" >>$CONFIG_MK
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echo "INCLUDEDIR ?= $INCLUDEDIR" >>$CONFIG_MK
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echo "LIBDIR ?= $LIBDIR" >>$CONFIG_MK
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echo "MANDIR ?= $MANDIR" >>$CONFIG_MK
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echo "SHAREDIR ?= $SHAREDIR" >>$CONFIG_MK
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[ -z "$DEBUG" ] && DEBUG=no
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[ -z "$BUILD_PIE" ] && BUILD_PIE_VAL=no
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if [ -z "$CC" ]; then
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printf "Looking for compiler ... "
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for b in $TARGET- ""; do
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for cc in gcc pcc icc cc clang; do
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if type $b$cc >/dev/null 2>&1; then
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CC=$b$cc
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echo "$CC"
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break
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fi
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done
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[ -n "$CC" ] && break
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done
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if [ -z "$CC" ]; then
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echo
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echo "no suitable compiler found - aborting" >&2
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exit 1
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fi
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else
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echo "Using compiler $CC"
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fi
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echo "CC = $CC" >>$CONFIG_MK
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echo "CFLAGS = -fPIC -DPIC" >>$CONFIG_MK
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echo "LDFLAGS = -L\$(TOPDIR)/lib -L\$(LIBDIR)" >>$CONFIG_MK
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echo "CPPFLAGS = -I. -I\$(TOPDIR) -I\$(TOPDIR)/include" >>$CONFIG_MK
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echo "CPPFLAGS += -DHAVE_CONFIG_H" >>$CONFIG_MK
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if [ -n "$DEBUG" -a "$DEBUG" != no -a "$DEBUG" != false ]; then
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echo "Building with debugging symbols."
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echo "INSTALL_STRIPPED =" >>$CONFIG_MK
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echo "CFLAGS += -g" >>$CONFIG_MK
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echo "CPPFLAGS += -DDEBUG" >>$CONFIG_MK
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else
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echo "INSTALL_STRIPPED = -s" >>$CONFIG_MK
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fi
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case "$OS" in
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linux)
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echo "CPPFLAGS += -D_XOPEN_SOURCE=600 -D_GNU_SOURCE" >>$CONFIG_MK
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echo "CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE" >> $CONFIG_MK
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echo "CPPFLAGS += -D_LARGE_FILES" >> $CONFIG_MK
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;;
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*)
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;;
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esac
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#
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# Check if external proplib should be used instead.
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#
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if [ -z "$EXTERNAL_PROPLIB" ]; then
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EXTERNAL_PROPLIB_VALUE=no
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echo "CPPFLAGS += -I\$(TOPDIR)/lib/portableproplib" >>$CONFIG_MK
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else
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EXTERNAL_PROPLIB_VALUE=yes
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echo "USE_EXTERNAL_PROPLIB = 1" >>$CONFIG_MK
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echo "LDFLAGS += -lprop" >>$CONFIG_MK
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echo "STATIC_PROPLIB = -lprop" >> $CONFIG_MK
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fi
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# Add CPPFLAGS and CFLAGS to CC for testing features
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XCC="$CC `$SED -n -e 's/CPPLAGS+=*\(.*\)/\1/p' $CONFIG_MK`"
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XCC="$XCC `$SED -n -e 's/CFLAGS+=*\(.*\)/\1/p' $CONFIG_MK`"
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check_compiler_flag()
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{
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local flag="$1"
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local mode="$2"
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local var="$3"
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local rv=0
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if [ -z "$var" ]; then
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var="CFLAGS"
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fi
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printf "Checking if $CC supports -${mode}${flag} ... "
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cat <<EOF >_ccflag.c
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#include <stdio.h>
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int main(void) { return 0; }
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EOF
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if $XCC -${mode}${flag} _ccflag.c -o _ccflag 2>_ccflag.err; then
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if ! test -s _ccflag.err; then
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if [ "$mode" = "W" ]; then
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echo "CPPFLAGS += -${mode}${flag}" >>$CONFIG_MK
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else
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echo "$var += -${mode}${flag}" >>$CONFIG_MK
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fi
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echo "yes."
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else
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rv=1
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echo "no."
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fi
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else
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rv=1
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echo "no."
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fi
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rm -f _ccflag.c _ccflag _ccflag.err
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return $rv
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}
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#
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# Check for some compiler warning flags.
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#
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for f in all extra error shadow "format=2" missing-prototypes \
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missing-declarations nested-externs \
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cast-align cast-qual pointer-arith comment unused-macros \
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declaration-after-statement stack-protector; do
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check_compiler_flag ${f} W
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done
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#
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# Check for some compiler flags.
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#
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check_compiler_flag stack-protector-all f
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if [ $? -ne 0 ]; then
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check_compiler_flag stack-protector f
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fi
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if [ $? -eq 0 ]; then
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check_compiler_flag "param ssp-buffer-size=1" -
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fi
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if [ $? -eq 0 ]; then
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echo "CPPFLAGS += -D_FORTIFY_SOURCE=2" >>$CONFIG_MK
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fi
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check_compiler_flag "visibility=default" f SHAREDLIB_CFLAGS
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check_compiler_flag "std=c99"
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#
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# Check if -fPIE and -pie are supported if --build-pie is set.
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#
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if [ -n "$BUILD_PIE" ]; then
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BUILD_PIE_VAL=yes
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echo "Building programs as PIE (Position Independent Executable)."
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check_compiler_flag PIE f PROG_CFLAGS
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check_compiler_flag pie "" PROG_LDFLAGS
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fi
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#
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# Check for strlcpy().
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#
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printf "Checking for strlcpy() ... "
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cat <<EOF >_strlcpy.c
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#include <string.h>
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int main(void) {
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const char s1[] = "foo";
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char s2[10];
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strlcpy(s2, s1, sizeof(s2));
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return 0;
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}
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EOF
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if $XCC _strlcpy.c -o _strlcpy 2>/dev/null; then
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STRLCPY=yes
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else
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STRLCPY=no
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fi
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echo "$STRLCPY."
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rm -f _strlcpy.c _strlcpy
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if [ "$STRLCPY" = no ]; then
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echo "COMPAT_SRCS += compat/strlcpy.o" >>$CONFIG_MK
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echo "#include \"strlcpy.h\"" >>$CONFIG_H
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echo "CPPFLAGS += -DHAVE_STRLCPY" >> $CONFIG_MK
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fi
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#
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# Check for strlcat().
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printf "Checking for strlcat() ... "
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cat <<EOF > _strlcat.c
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#include <string.h>
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int main(void) {
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const char src[] = "foo"
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char dst[10];
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strlcat(dst, src, sizeof(dst));
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return 0;
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}
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EOF
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if $XCC _strlcat.c -o _strlcat 2>/dev/null; then
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STRLCAT=yes
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else
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STRLCAT=no
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fi
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echo "$STRLCAT."
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rm -f _strlcat.c _strlcat
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if [ "$STRLCAT" = no ]; then
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echo "COMPAT_SRCS += compat/strlcat.o" >>$CONFIG_MK
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echo "#include \"strlcat.h\"" >>$CONFIG_H
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echo "CPPFLAGS += -DHAVE_STRLCAT" >>$CONFIG_MK
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fi
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#
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# If building API library documentation, doxygen and graphviz are required.
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#
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if [ -n "$BUILD_API_DOCS" ]; then
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echo "Building API documentation via doxygen and graphviz."
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printf "Checking for doxygen ..."
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DOXYGEN_BIN=$(_which doxygen)
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if [ -z "$DOXYGEN_BIN" ]; then
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echo "not found, exiting."
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exit 1
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else
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echo yes
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fi
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printf "Checking for graphviz ... "
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DOT_BIN=$(_which dot)
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if [ -z "$DOT_BIN" ]; then
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echo "dot(1) command not found, exiting."
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exit 1
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else
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echo yes
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fi
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echo "BUILD_API_DOCS= yes" >> $CONFIG_MK
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BUILD_API_DOCS_VALUE=yes
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else
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BUILD_API_DOCS_VALUE=no
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fi
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#
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# pkg-config is required to know dependencies for static linking.
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#
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printf "Checking for pkg-config ... "
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PKGCONFIG_BIN=$(_which pkg-config)
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if [ -z "$PKGCONFIG_BIN" ]; then
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echo "not found, exiting."
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exit 1
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||||
else
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echo yes
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fi
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#
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# zlib with pkg-config support is required.
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#
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printf "Checking for zlib via pkg-config ..."
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if ! $PKGCONFIG_BIN --exists zlib; then
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echo "zlib.pc file not found, exiting."
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exit 1
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else
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echo "found version $($PKGCONFIG_BIN --modversion zlib)."
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fi
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echo "STATIC_LIBS = -lz \$(STATIC_PROPLIB) -lpthread" >>$CONFIG_MK
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#
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# OpenSSL libssl with pkg-config support is required.
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#
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printf "Checking for OpenSSL via pkg-config ..."
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if ! $PKGCONFIG_BIN --exists libssl; then
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echo "libssl.pc file not found, exiting."
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exit 1
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||||
else
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echo "found version $($PKGCONFIG_BIN --modversion libssl)."
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||||
fi
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echo "STATIC_LIBS += $($PKGCONFIG_BIN --libs --static libssl)" >>$CONFIG_MK
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#
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# libarchive >= 2.8.0 with pkg-config support is required.
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#
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printf "Checking for libarchive via pkg-config ... "
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||||
if ! $PKGCONFIG_BIN --exists libarchive; then
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echo "libarchive.pc file not found, exiting."
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exit 1
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||||
else
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||||
echo "found version $($PKGCONFIG_BIN --modversion libarchive)."
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||||
fi
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||||
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||||
echo "STATIC_LIBS += $($PKGCONFIG_BIN --libs --static libarchive)" >>$CONFIG_MK
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||||
echo
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||||
echo " XBPS has been configured with the following options:"
|
||||
echo
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||||
echo " SBINDIR = $SBINDIR"
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||||
echo " LIBDIR = $LIBDIR"
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||||
echo " INCLUDEDIR = $INCLUDEDIR"
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||||
echo " SHAREDIR = $SHAREDIR"
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||||
echo " MANDIR = $MANDIR"
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||||
echo " BUILD_API_DOCS = $BUILD_API_DOCS_VALUE"
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||||
echo " BUILD_PIE = $BUILD_PIE_VAL"
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||||
echo " DEBUG = $DEBUG"
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||||
echo " EXTERNAL PROPLIB = $EXTERNAL_PROPLIB_VALUE"
|
||||
echo
|
||||
echo " You can now run make && make install clean."
|
||||
echo
|
||||
|
||||
exit 0
|
||||
Reference in New Issue
Block a user