roy.marples.name Git - dhcpcd-ui/blob - configure

   1 #!/bin/sh
   2 # Try and be like autotools configure, but without autotools
   3
   4 # Ensure that we do not inherit these from env
   5 DEBUG=
   6 LIBDHCPCD=no
   7 WITH_GTK=
   8 NOTIFY=yes
   9 INCLUDEDIR=
  10
  11 for x; do
  12         opt=${x%%=*}
  13         var=${x#*=}
  14         [ "$var" = "$opt" ] && var=
  15         case "$opt" in
  16         --os|OS) OS=$var;;
  17         --with-cc|CC) CC=$var;;
  18         --debug) DEBUG=$var;;
  19         --disable-debug) DEBUG=no;;
  20         --enable-debug) DEBUG=yes;;
  21         --prefix) prefix=$var;;
  22         --sysconfdir) SYSCONFDIR=$var;;
  23         --bindir) BINDIR=$var;;
  24         --libexecdir) LIBEXECDIR=$var;;
  25         --statedir|--localstatedir) STATEDIR=$var;;
  26         --rundir) RUNDIR=$var;;
  27         --mandir) MANDIR=$var;;
  28         --with-ccopts|CFLAGS) CFLAGS=$var;;
  29         CPPFLAGS) CPPFLAGS=$var;;
  30         --build) BUILD=$var;;
  31         --host) HOST=$var;;
  32         --target) TARGET=$var;;
  33         --libdir) LIBDIR=$var;;
  34         --includedir) eval INCLUDEDIR="$INCLUDEDIR${INCLUDEDIR:+ }$var";;
  35         --datadir|--infodir) ;; # ignore autotools
  36         --disable-maintainer-mode|--disable-dependency-tracking) ;;
  37         --icondir) ICONDIR=$var;;
  38         --with-gtk|--with-gtk+) WITH_GTK=${var:-yes};;
  39         --without-gtk|--without-gtk+) WITH_GTK=no;;
  40         --enable-notification) NOTIFY=yes;;
  41         --disable-notification) NOTIFY=no;;
  42         --help) echo "See the README file for available options"; exit 0;;
  43         *) echo "$0: WARNING: unknown option $opt" >&2;;
  44         esac
  45 done
  46
  47 : ${INSTALL:=install}
  48 : ${SED:=sed}
  49
  50 : ${PREFIX:=${prefix:=/usr/local}}
  51 : ${SYSCONFDIR:=$PREFIX/etc}
  52 : ${BINDIR:=$PREFIX/bin}
  53 : ${LIBEXECDIR:=$PREFIX/libexec}
  54 : ${STATEDIR:=/var}
  55 : ${MANDIR:=${PREFIX:-/usr}/share/man}
  56
  57 : ${ICONDIR:=$PREFIX/share/dhcpcd/icons}
  58
  59 eval SYSCONFDIR="$SYSCONFDIR"
  60 eval LIBDIR="$LIBDIR"
  61 eval LIBEXECDIR="$LIBEXECDIR"
  62 eval STATEDIR="$STATEDIR"
  63 eval DBDIR="$DBDIR"
  64 eval RUNDIR="$RUNDIR"
  65 eval MANDIR="$MANDIR"
  66
  67 _which()
  68 {
  69         x="$(which "$1" 2>/dev/null)"
  70         if [ -n "$x" ]; then
  71                 echo "$x"
  72                 return 0
  73         fi
  74         for x in /sbin/"$1" /usr/sbin/"$1" \
  75                 /usr/pkg/sbin/"$1" /usr/local/sbin/"$1"
  76         do
  77                 if [ -e "$x" ]; then
  78                         echo "$x"
  79                         return 0
  80                 fi
  81         done
  82         return 1
  83 }
  84
  85 CONFIG_H=config.h
  86 CONFIG_MK=config.mk
  87
  88 if [ -z "$BUILD" ]; then
  89         # autoconf target triplet: cpu-vendor-os
  90         BUILD=$(uname -m)-unknown-$(uname -s | tr '[:upper:]' '[:lower:]')
  91 fi
  92 : ${HOST:=$BUILD}
  93
  94 if [ -z "$OS" ]; then
  95         echo "Deriving operating system from ... $HOST"
  96         # Derive OS from cpu-vendor-[kernel-]os
  97         CPU=${HOST%%-*}
  98         REST=${HOST#*-}
  99         if [ "$CPU" != "$REST" ]; then
 100                 VENDOR=${REST%%-*}
 101                 REST=${REST#*-}
 102                 if [ "$VENDOR" != "$REST" ]; then
 103                         # Use kernel if given, otherwise os
 104                         OS=${REST%%-*}
 105                 else
 106                         # 2 tupple
 107                         OS=$VENDOR
 108                         VENDOR=
 109                 fi
 110         fi
 111
 112         # Work with cpu-kernel-os, ie Debian
 113         case "$VENDOR" in
 114         linux*|kfreebsd*) OS=$VENDOR; VENDOR= ;;
 115         esac
 116         # Special case
 117         case "$OS" in
 118         gnu*) OS=hurd;; # No HURD support as yet
 119         esac
 120 fi
 121
 122 echo "Configuring dhcpcd for ... $OS"
 123 rm -f $CONFIG_H $CONFIG_MK
 124 echo "# $OS" >$CONFIG_MK
 125 echo "/* $OS */" >$CONFIG_H
 126
 127 VERSION=$($SED -ne 's/VERSION=  //p' Makefile)
 128 echo "#define VERSION \"$VERSION\"" >>$CONFIG_H
 129
 130 for x in PREFIX SYSCONFDIR BINDIR ICONDIR; do
 131         eval v=\$$x
 132         # Make files look nice for import
 133         l=$((10 - ${#x}))
 134         unset t
 135         [ $l -gt 3 ] && t="     "
 136         echo "$x=$t     $v" >>$CONFIG_MK
 137         unset t
 138         [ $l -gt 2 ] && t="     "
 139         echo "#define $x$t      \"$v\"" >>$CONFIG_H
 140 done
 141 echo "MANDIR=           ${MANDIR}" >>$CONFIG_MK
 142
 143 # Always obey CC.
 144 # However, if CC is not specified and we are given GNU style
 145 # --host or --build targets the expectation is we try and match that
 146 # to a compiler.
 147 if [ -n "$CC" ]; then
 148         HOSTCC=
 149 else
 150         CC=cc
 151         _COMPILERS="cc clang gcc pcc icc"
 152 fi
 153 if [ -n "$HOSTCC" ]; then
 154         for _CC in $_COMPILERS; do
 155                 _CC=$(_which "$HOSTCC$_CC")
 156                 if [ -x "$_CC" ]; then
 157                         CC=$_CC
 158                         break
 159                 fi
 160         done
 161 fi
 162 if ! type "$CC" >/dev/null 2>&1; then
 163         for _CC in $_COMPILERS; do
 164                 _CC=$(_which "$_CC")
 165                 if [ -x "$_CC" ]; then
 166                         CC=$_CC
 167                         break
 168                 fi
 169         done
 170 fi
 171
 172 echo "Using compiler .. $CC"
 173 if ! type "$CC" >/dev/null 2>&1; then
 174         echo "$CC is not an executable"
 175         exit 1
 176 fi
 177 [ "$CC" != cc ] && echo "CC=    $CC" >>$CONFIG_MK
 178 $CC --version | $SED -e '1!d'
 179
 180 # Set to blank, then append user config
 181 # We do this so our SED call to append to XCC remains portable
 182 if [ -n "$CFLAGS" ]; then
 183         echo "CFLAGS=" >>$CONFIG_MK
 184         echo "CFLAGS+=  $CFLAGS" >>$CONFIG_MK
 185 fi
 186 if [ -n "$CPPFLAGS" ]; then
 187         echo "CPPFLAGS=" >>$CONFIG_MK
 188         echo "CPPFLAGS+=        $CPPFLAGS" >>$CONFIG_MK
 189 fi
 190 if [ -n "$LDFLAGS" ]; then
 191         echo "LDFLAGS=" >>$CONFIG_MK
 192         echo "LDFLAGS+= $LDFLAGS" >>$CONFIG_MK
 193 fi
 194
 195 for x in $INCLUDEDIR; do
 196         echo "CPPFLAGS+=        -I$x" >>$CONFIG_MK
 197 done
 198
 199 if [ -z "$DEBUG" -a -f .fslckout ]; then
 200         printf "Found fossil checkout ... "
 201         DEBUG=yes
 202 else
 203         DEBUG=no
 204 fi
 205 if [ "$DEBUG" != no -a "$DEBUG" != false ]; then
 206         echo "Adding debugging CFLAGS"
 207         cat <<EOF >>$CONFIG_MK
 208 CFLAGS+=        -g -Wall -Wextra -Wshadow -Wformat=2
 209 CFLAGS+=        -Wmissing-prototypes -Wmissing-declarations
 210 CFLAGS+=        -Wmissing-noreturn -Wmissing-format-attribute
 211 CFLAGS+=        -Wnested-externs
 212 CFLAGS+=        -Winline -Wwrite-strings -Wcast-align -Wcast-qual
 213 CFLAGS+=        -Wpointer-arith -Wstrict-overflow
 214 CFLAGS+=        -Wdeclaration-after-statement
 215 CFLAGS+=        -Wconversion
 216 EOF
 217         case "$OS" in
 218         mirbsd*|openbsd*);; # OpenBSD has many redundant decs in system headers
 219         *)              echo "CFLAGS+=  -Wredundant-decls" >>$CONFIG_MK;;
 220         esac
 221 fi
 222
 223 # Add CPPFLAGS and CFLAGS to CC for testing features
 224 XCC="$CC `$SED -n -e 's/CPPLAGS+=*\(.*\)/\1/p' $CONFIG_MK`"
 225 XCC="$XCC `$SED -n -e 's/CFLAGS+=*\(.*\)/\1/p' $CONFIG_MK`"
 226
 227 if [ -z "$STRLCPY" ]; then
 228         printf "Testing for strlcpy ... "
 229         cat <<EOF >_strlcpy.c
 230 #include <string.h>
 231 int main(void) {
 232         const char s1[] = "foo";
 233         char s2[10];
 234         strlcpy(s2, s1, sizeof(s2));
 235         return 0;
 236 }
 237 EOF
 238         if $XCC _strlcpy.c -o _strlcpy 2>/dev/null; then
 239                 STRLCPY=yes
 240         else
 241                 STRLCPY=no
 242         fi
 243         echo "$STRLCPY"
 244         rm -f _strlcpy.c _strlcpy
 245 fi
 246 if [ "$STRLCPY" = no ]; then
 247         echo "#define strlcpy(dst, src, n) snprintf(dst, n, \"%s\", src)" \
 248         >>$CONFIG_H
 249 fi
 250
 251 if [ -z "$LIBDIR" ]; then
 252         printf "lib directory name ... "
 253         case `readlink /lib` in
 254                 "") LIBNAME="lib";;
 255                 *) LIBNAME=$(basename `readlink /lib`);;
 256         esac
 257         echo "$LIBNAME"
 258         echo "LIBNAME=  $LIBNAME" >>$CONFIG_MK
 259         LIBDIR=${PREFIX}/${LIBNAME}
 260         echo "LIBDIR=           \${PREFIX}/\${LIBNAME}" >>$CONFIG_MK
 261 else
 262         echo "LIBDIR=   $LIBDIR" >>$CONFIG_MK
 263 fi
 264
 265 # We normally want to build in the static library
 266 if [ "$LIBDHCPCD" = yes ]; then
 267         x="-ldhcpcd"
 268         echo "LIB_DHCPCD_INSTALL=       _libinstall" >>$CONFIG_MK
 269 else
 270         x="-Wl,-Bstatic -ldhcpcd -Wl,-Bdynamic"
 271 fi
 272 echo "LIB_DHCPCD=       $x" >>$CONFIG_MK
 273
 274 # Due to our use of pkg-config, pass --as-needed to ld so we only link
 275 # what we actually need.
 276 echo "LDADD+=   -Wl,--as-needed" >>$CONFIG_MK
 277
 278 # Get DBus CFLAGS
 279 DBUS_CFLAGS=$(pkg-config --cflags dbus-1) || exit 1
 280 DBUS_LIBS=$(pkg-config --libs dbus-1) || exit 1
 281 echo "DBus CFLAGS=$DBUS_CFLAGS"
 282 echo "DBus LIBS=$DBUS_LIBS"
 283 echo "DBUS_CFLAGS=      $DBUS_CFLAGS" >>$CONFIG_MK
 284 echo "DBUS_LIBS=        $DBUS_LIBS" >>$CONFIG_MK
 285
 286 UI=
 287 if [ "$WITH_GTK" = yes -o -z "$WITH_GTK" ]; then
 288         if pkg-config --cflags gtk+-2.0 >/dev/null 2>&1; then
 289                 WITH_GTK="gtk+-2.0"
 290         elif pkg-config --cflags gtk+-3.0 >/dev/null 2>&1; then
 291                 WITH_GTK="gtk+-3.0"
 292         fi
 293 elif [ -n "$WITH_GTK" -a "$WITH_GTK" != no ]; then
 294         if ! pkg-config --cflags $WITH_GTK >/dev/null; then
 295                 echo "$0: no suitable GTK+ library has been found" >&2
 296                 exit 1
 297         fi
 298 fi
 299
 300 if [ -n "$WITH_GTK" ]; then
 301         PKG="dbus-1 $WITH_GTK"
 302         if [ "$NOTIFY" = yes ]; then
 303                 PKG="$PKG${PKG:+ }libnotify"
 304                 echo "NOTIFY=           -DNOTIFY" >>$CONFIG_MK
 305         fi
 306         GTK_CFLAGS=$(pkg-config --cflags $PKG)
 307         [ $? != 0 -a "$WITH_GTK" = yes ] && exit 1
 308         GTK_LIBS=$(pkg-config --libs $PKG)
 309         [ $? != 0 -a "$WITH_GTK" = yes ] && exit 1
 310         echo "GTK+ CFLAGS=$GTK_CFLAGS"
 311         echo "GTK+ LIBS=$GTK_LIBS"
 312         echo "GTK_CFLAGS=       $GTK_CFLAGS" >>$CONFIG_MK
 313         echo "GTK_LIBS= $GTK_LIBS" >>$CONFIG_MK
 314         UI="$UI${UI:+ }dhcpcd-gtk"
 315 fi
 316
 317 if [ -z "$UI" ]; then
 318         echo "$0: no UI is available, not building." >&2
 319         exit 1
 320 fi
 321 echo "UI=               $UI" >>config.mk
 322
 323 echo
 324 echo "   SYSCONFDIR =           $SYSCONFDIR"
 325 echo "   BINDIR =               $BINDIR"
 326 echo "   LIBDIR =               $LIBDIR"
 327 echo "   ICONDIR =              $ICONDIR"
 328 echo "   MANDIR =               $MANDIR"
 329 echo "   UI =                   $UI"
 330 echo
 331
 332 echo "MKDIR=            \${TOPDIR}/mk" >>$CONFIG_MK