util/msrtool/configure

   1 #!/usr/bin/env sh
   2 #
   3 #
   4 # This program is free software; you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License version 2 as
   6 # published by the Free Software Foundation.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13
  14 # If this is left unset, try to set the version string from the highest
  15 # revision number of the checked out files.
  16 VERSION=""
  17
  18 REV="`git describe --always 2>/dev/null`"
  19 VERSION="${VERSION:-$REV}"
  20
  21 findprog() {
  22         NPARMS=$#
  23         WHAT="${1}"
  24         shift
  25         FROMENV="${1}"
  26         shift
  27         printf "searching for ${WHAT} (${*})..." 1>&2
  28         test -n "${FROMENV}" && {
  29                 echo "  using environment: ${FROMENV}" 1>&2
  30                 echo "${FROMENV}"
  31                 exit 0
  32         }
  33         i=2
  34         while test $i -lt $NPARMS; do
  35                 test -z "${1}" && {
  36                         shift
  37                         i=$(($i+1))
  38                         continue
  39                 }
  40                 FILE="`which "${1}" 2>/dev/null`"
  41                 test $? -eq 0 && {
  42                         echo "${1}"
  43                         break
  44                 }
  45                 shift
  46                 i=$(($i+1))
  47         done
  48         test -z "${1}" && {
  49                 echo "  not found!" 1>&2
  50                 echo 1>&2
  51                 echo "This is a fatal error, configure is exiting!" 1>&2
  52                 exit 1
  53         }
  54         echo "  using ${FILE} in PATH" 1>&2
  55         exit 0
  56 }
  57
  58 trycompile() {
  59         NPARMS=$#
  60         WHAT="${1}"
  61         shift
  62         printf "finding CFLAGS for ${WHAT}... " 1>&2
  63         OUT="${OUT}\n${CC} ${CFLAGS} -o .config.o -c .config.c"
  64         OUT="${OUT}\n`echo "${CC} ${CFLAGS} -o .config.o -c .config.c"|sh 2>&1`"
  65         test $? -eq 0 && {
  66                 echo " using: ${CFLAGS}" 1>&2
  67                 echo "${CFLAGS}"
  68                 exit 0
  69         }
  70         i=1
  71         while test $i -lt $NPARMS; do
  72                 OUT="${OUT}\n${CC} ${CFLAGS} ${1} -o .config.o -c .config.c 2>&1"
  73                 OUT="${OUT}\n`echo "${CC} ${CFLAGS} ${1} -o .config.o -c .config.c"|sh 2>&1`"
  74                 test $? -eq 0 && {
  75                         echo " using: ${CFLAGS} ${1}" 1>&2
  76                         echo "${CFLAGS} ${1}"
  77                         exit 0
  78                 }
  79                 shift
  80                 i=$(($i+1))
  81         done
  82         echo "failed!" 1>&2
  83         echo 1>&2
  84         printf "The following compiler commands were executed:" 1>&2
  85         echo -e "${OUT}\n" 1>&2
  86         echo "This is a fatal error, configure is exiting!" 1>&2
  87         echo 1>&2
  88         echo "You can try to fix this by manually setting CFLAGS in the environment before" 1>&2
  89         echo "running configure. E.g.:" 1>&2
  90         echo "CFLAGS=-I/opt/somedir/include ./configure" 1>&2
  91         echo 1>&2
  92         exit 1
  93 }
  94
  95 trylink() {
  96         NPARMS=$#
  97         WHAT="${1}"
  98         shift
  99         printf "finding LDFLAGS for ${WHAT}... " 1>&2
 100         OUT="${OUT}\n${CC} -o .config .config.o ${LDFLAGS} 2>&1"
 101         OUT="${OUT}\n`echo "${CC} -o .config .config.o ${LDFLAGS}"|sh 2>&1`"
 102         test $? -eq 0 && {
 103                 echo " using: ${LDFLAGS}" 1>&2
 104                 echo "${LDFLAGS}"
 105                 exit 0
 106         }
 107         i=1
 108         while test $i -lt $NPARMS; do
 109                 OUT="${OUT}\n${CC} -o .config .config.o ${LDFLAGS} ${1} 2>&1"
 110                 OUT="${OUT}\n`echo "${CC} -o .config .config.o ${LDFLAGS} ${1}"|sh 2>&1`"
 111                 test $? -eq 0 && {
 112                         echo " using: ${LDFLAGS} ${1}" 1>&2
 113                         echo "${LDFLAGS} ${1}"
 114                         exit 0
 115                 }
 116                 shift
 117                 i=$(($i+1))
 118         done
 119         echo "failed!" 1>&2
 120         echo 1>&2
 121         printf "The following linker commands were executed:" 1>&2
 122         echo -e "${OUT}\n" 1>&2
 123         echo "This is a fatal error, configure is exiting!" 1>&2
 124         echo 1>&2
 125         echo "You can try to fix this by manually setting LDFLAGS in the environment before" 1>&2
 126         echo "running configure. E.g.:" 1>&2
 127         echo "LDFLAGS=-L/opt/somedir/lib ./configure" 1>&2
 128         echo 1>&2
 129         exit 1
 130 }
 131
 132 CC=`findprog "compiler" "${CC}" clang gcc cc icc` || exit
 133 INSTALL=`findprog "install" "${INSTALL}" install ginstall` || exit
 134
 135 test -n "$DEBUG" && myCFLAGS="-O2 -g" || myCFLAGS="-Os"
 136 CFLAGS="${CFLAGS} ${myCFLAGS} -Wall -Werror"
 137
 138 cat > .config.c << EOF
 139 #include <pci/pci.h>
 140 struct pci_access *pacc;
 141 int main(int argc, char *argv[])
 142 { pacc = pci_alloc(); return 0; }
 143 EOF
 144
 145 pc_CFLAGS="`pkg-config libpci --cflags 2>/dev/null`"
 146 pc_LDFLAGS="`pkg-config libpci --libs 2>/dev/null`"
 147 CFLAGS=`trycompile "libpci (from pciutils)" "${pc_CFLAGS}" "-I/usr/local/include"` || {
 148         rm -f .config.c
 149         exit 1
 150 }
 151 LDFLAGS=`trylink "libpci (from pciutils)" "${pc_LDFLAGS}" "-lpci -lz" "-L/usr/local/lib -lpci -lz" "-framework DirectHW -lpci -lz"` || {
 152         rm -f .config.c .config.o
 153         exit 1
 154 }
 155 rm -f .config.c .config.o .config
 156
 157 PREFIX="${PREFIX:-/usr/local}"
 158
 159 echo
 160 echo "configured using the following settings:"
 161 echo
 162 echo "VERSION=${VERSION}"
 163 echo "CC=${CC}"
 164 echo "CFLAGS=${CFLAGS}"
 165 echo "LDFLAGS=${LDFLAGS}"
 166 echo "INSTALL=${INSTALL}"
 167 echo "PREFIX=${PREFIX}"
 168 echo
 169 printf "creating Makefile..."
 170 echo "# This file was automatically generated by configure" > Makefile
 171 sed -e "s#@VERSION@#${VERSION}#g" \
 172         -e "s#@CC@#${CC}#g" \
 173         -e "s#@CFLAGS@#${CFLAGS}#g" \
 174         -e "s#@LDFLAGS@#${LDFLAGS}#g" \
 175         -e "s#@INSTALL@#${INSTALL}#g" \
 176         -e "s#@PREFIX@#${PREFIX}#g" \
 177         Makefile.in >> Makefile
 178 echo "  done"
 179 echo