configure

   1 #!/bin/sh
   2
   3 prefix=/usr/local
   4
   5 libs=`cat << EOF
   6 glib-2.0
   7 gtk+-2.0
   8 gtk+-x11-2.0
   9 EOF
  10 `
  11 clear_config() {
  12         rm -f config.mak 2>/dev/null
  13 }
  14
  15 add_config() {
  16         printf "%s\n" "$1" >> config.mak
  17 }
  18
  19 add_cflags() {
  20         add_config "CFLAGS += $1"
  21 }
  22
  23 add_ldflags() {
  24         add_config "LDFLAGS += $1"
  25 }
  26
  27 get_pkgconf_cflags() {
  28         pkg-config --cflags "$1" 2>/dev/null
  29 }
  30
  31 get_pkgconf_ldflags() {
  32         pkg-config --libs "$1" 2>/dev/null
  33 }
  34
  35 add_pkgconf_cflags() {
  36         fallback="$2"
  37         flags=$(get_pkgconf_cflags "$1")
  38         [ -z "$flags" ] && flags="$fallback"
  39         add_cflags "$flags"
  40 }
  41
  42 add_pkgconf_ldflags() {
  43         fallback="$2"
  44         flags=$(get_pkgconf_ldflags "$1")
  45         [ -z "$flags" ] && flags="$fallback"
  46         add_ldflags "$flags"
  47 }
  48
  49 add_lib() {
  50         add_pkgconf_cflags "$1" "$2"
  51         add_pkgconf_ldflags "$1" "$3"
  52 }
  53
  54 check_program() {
  55         program="$1"
  56         needed="$2"
  57         result=$(which "$program" 2>/dev/null)
  58         if [ "$needed" = "1" ] && [ -z "$result" ] ; then
  59                 echo "error: needed program $program not found" >&2
  60                 kill -9 $$
  61         fi
  62         printf "%s\n" "$program"
  63 }
  64
  65 pdisable() {
  66         local a="$1"
  67         printf "--enable-%s[=yes/no/auto]\tenable %s %s [default: auto]\n" "$a" "$a" "$2"
  68 }
  69
  70 usage() {
  71         echo "supported arguments"
  72         echo "--help                    show this text"
  73         echo "--prefix=/path            default: $prefix"
  74         echo "--exec_prefix=/path       default: $prefix/bin"
  75         echo "--bindir=/path            default: $prefix/bin"
  76         echo "--libdir=/path            default: $prefix/lib"
  77         echo "--includedir=/path        default: $prefix/include"
  78         echo "--sysconfdir=/path        default: $prefix/etc"
  79         echo
  80         for i in libsexy gtkspell ; do pdisable $i "library usage" ; done
  81         echo
  82         for i in python tcl perl ; do pdisable $i plugin ; done
  83         echo
  84         echo "NOTE: the auto detection of the scripting language plugins"
  85         echo "works only for non-crosscompile scenarios because the authors of those languages"
  86         echo "stubbornly require you to execute the interpreter in a specific way to query"
  87         echo "the necessary flags rather than relying on standardtools like pkgconfig."
  88         echo "because of that, if set to yes, the required C/LDFLAGS for the plugins need to be passed"
  89         echo "manually to configure using PERL_CFLAGS=... PY_LDFLAGS=... TCL_CFLAGS=... /configure ..."
  90         echo
  91         exit 1
  92 }
  93
  94 ismac() {
  95         uname -s | grep Darwin >/dev/null
  96 }
  97
  98 isbsd() {
  99         uname -s | grep BSD >/dev/null
 100 }
 101
 102 spliteq() {
 103         arg=$1
 104         echo "${arg#*=}"
 105         #alternatives echo "$arg" | cut -d= -f2-
 106         # or echo "$arg" | sed 's/[^=]*=//'
 107 }
 108
 109 check_feature() {
 110         local f="$1"
 111         local res=
 112         case "$2" in
 113         --enable-$f) res=yes;;
 114         --disable-$f) res=no;;
 115         --enable-$f=*) res=`spliteq $2`;;
 116         esac
 117         [ -n "$res" ] && eval $3=$res
 118 }
 119
 120 parsearg() {
 121         for i in python perl tcl libsexy gtkspell ; do check_feature $i "$1" feature_$i ; done
 122         case "$1" in
 123         --prefix=*) prefix=`spliteq $1`;;
 124         --exec_prefix=*) exec_prefix=`spliteq $1`;;
 125         --bindir=*) bindir=`spliteq $1`;;
 126         --libdir=*) libdir=`spliteq $1`;;
 127         --includedir=*) includedir=`spliteq $1`;;
 128         --sysconfdir=*) sysconfdir=`spliteq $1`;;
 129         --help) usage;;
 130         esac
 131 }
 132
 133 for i in  python perl tcl libsexy gtkspell ; do eval feature_$i=auto ; done
 134 while true ; do
 135         case $1 in
 136         -*) parsearg "$1"; shift;;
 137         *) break ;;
 138         esac
 139 done
 140
 141 [ -z "$exec_prefix" ] && exec_prefix=$prefix
 142 [ -z "$libdir" ] && libdir=$prefix/lib
 143 [ -z "$includedir" ] && includedir=$prefix/include
 144 [ -z "$sysconfdir" ] && sysconfdir=$prefix/etc
 145 [ -z "$bindir" ] && bindir=$exec_prefix/bin
 146 [ -z "$CC" ] && CC=cc
 147
 148 clear_config
 149
 150 add_config "prefix = $prefix"
 151 add_config "exec_prefix = $exec_prefix"
 152 add_config "bindir = $bindir"
 153 add_config "libdir = $libdir"
 154 add_config "includedir = $includedir"
 155 add_config "sysconfdir = $sysconfdir"
 156
 157 add_config "CC ?= $CC"
 158 [ -z "$CPPFLAGS" ] || add_config "USER_CPPFLAGS = $CPPFLAGS"
 159 [ -z "$CFLAGS" ] ||   add_config "USER_CFLAGS = $CFLAGS"
 160 [ -z "$LDFLAGS" ] ||   add_config "USER_LDFLAGS = $LDFLAGS"
 161
 162 add_cflags "-DXCHATLIBDIR=\\\"$libdir/xchat\\\""
 163 add_cflags "-DXCHATSHAREDIR=\\\"$prefix/share/xchat\\\""
 164 add_cflags "-DUSE_OPENSSL"
 165
 166 for lib in $libs ; do add_lib "$lib" ; done
 167 add_lib openssl "" "-lssl -lcrypto"
 168
 169 prog1=$(check_program "gdk-pixbuf-csource" 1)
 170 add_config "PIXMAPCONVERT = $prog1"
 171
 172 for i in libsexy gtkspell ; do
 173         eval enabled=\${feature_$i}
 174         printf "checking whether to use library $i..."
 175         if [ "$enabled" = yes ] || [ "$enabled" = auto ] ; then
 176                 l=$i
 177                 [ $l = gtkspell ] && l=gtkspell-2.0
 178                 spell_flags=$(get_pkgconf_cflags $l)
 179                 if [ ! -z "$spell_flags" ] ; then
 180                         add_cflags "$spell_flags"
 181                         spell_flags=$(get_pkgconf_ldflags $i)
 182                         add_ldflags "$spell_flags"
 183                         if [ "$i" = "libsexy" ] ; then
 184                                 add_cflags "-DUSE_LIBSEXY"
 185                         else
 186                                 add_cflags "-DUSE_GTKSPELL"
 187                         fi
 188                         printf "yes\n"
 189                 else
 190                         printf "no\n"
 191                 fi
 192         fi
 193 done
 194
 195 # plugin stuff ...
 196
 197 use_plugin=
 198
 199 printf "checking whether to use perl plugin..."
 200 if [ "$feature_perl" = auto ] ; then
 201         perl=$(check_program "perl" 0)
 202         if [ -n "$perl" ] ; then
 203                 PERL_CFLAGS=`$perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 204                 PERL_LDFLAGS=`$perl -MExtUtils::Embed -e ldopts 2>/dev/null | sed 's/-lgdbm //'`
 205                 feature_perl=yes
 206         fi
 207 fi
 208 if [ "$feature_perl" = yes ] ; then
 209         printf "yes\n"
 210         add_config "PERL_CFLAGS = $PERL_CFLAGS"
 211         add_config "PERL_LDFLAGS = $PERL_LDFLAGS"
 212         add_config "PLUGINS += perl.so"
 213         # there are actually 2 plugins, "old" and new, but all scripts i've seen only use old
 214         add_cflags "-DOLD_PERL"
 215         use_plugin=1
 216 else
 217         printf "no\n"
 218 fi
 219 printf "checking whether to use tcl plugin..."
 220 if [ "$feature_tcl" = auto ] ; then
 221         tcl=$(check_program "tclsh" 0)
 222         if [ -n "$tcl" ] ; then
 223                 TCL_CFLAGS=$(get_pkgconf_cflags tcl)
 224                 TCL_LDFLAGS=$(get_pkgconf_ldflags tcl)
 225                 tcl_error=
 226                 # tcl 8.5 does not come with a pkgconfig file
 227                 # tcl 8.6. comes with a buggy one that fails to include its own library
 228                 # https://sourceforge.net/tracker/?func=detail&aid=3598298&group_id=10894&atid=110894
 229                 # hopefully tcl 8.7 will come with a *working* pkgconfig file ...
 230                 # until that happens, we need to fall back to its proprietary tclConfig system.
 231                 if [ -z "$TCL_LDFLAGS" ] || ! echo "$TCL_LDFLAGS" | grep "[-]ltcl" > /dev/null ; then
 232                         tcl_found=
 233                         for i in "$libdir" "$prefix"/lib/ "$prefix"/lib64/ /lib /lib64 /usr/lib /usr/lib64 ; do
 234                                 printf "searching tclConfig.sh in $i ... "
 235                                 if [ -e "$i"/tclConfig.sh ] ; then
 236                                         . "$i"/tclConfig.sh
 237                                         TCL_LDFLAGS="$TCL_LIB_SPEC $TCL_LIBS"
 238                                         tcl_found=1
 239                                         break
 240                                 fi
 241                         done
 242                         if [ -z "$tcl_found" ] ; then
 243                                 tcl_error=1
 244                         fi
 245                 fi
 246                 [ -z "$tcl_error" ] && feature_tcl=yes
 247         fi
 248 fi
 249 if [ "$feature_tcl" = yes ] ; then
 250         printf "yes\n"
 251         add_config "TCL_CFLAGS = $TCL_CFLAGS"
 252         add_config "TCL_LDFLAGS = $TCL_LDFLAGS"
 253         add_config "PLUGINS += tcl.so"
 254         use_plugin=1
 255 else
 256         printf "no\n"
 257 fi
 258 printf "checking whether to use python plugin..."
 259 if [ "$feature_python" = auto ] ; then
 260         python=$(check_program "python" 0)
 261         if [ -n "$python" ] ; then
 262                 PY_CFLAGS=$(get_pkgconf_cflags python)
 263                 [ -z "$PY_CFLAGS" ] && PY_CFLAGS=$(get_pkgconf_cflags python-2.7)
 264                 if  [ -z "$PY_CFLAGS" ] ; then
 265                         for i in "$prefix" /usr /usr/local/ ; do
 266                                 printf "searching Python.h in $i/include/python2.7 ... "
 267                                 if [ -e "$i"/include/python2.7/Python.h ] ; then
 268                                         PY_CFLAGS=-I"$i"/include/python2.7
 269                                         printf "SUCCESS\n"
 270                                         break;
 271                                 else
 272                                         printf "FAIL\n"
 273                                 fi
 274                         done
 275                 fi
 276                 PY_LDFLAGS=$(get_pkgconf_ldflags python)
 277                 [ -z "$PY_LDFLAGS" ] && PY_LDFLAGS=$(get_pkgconf_ldflags python-2.7)
 278                 [ -z "$PY_LDFLAGS" ] && PY_LDFLAGS=-lpython2.7
 279                 [ ! -z "$PY_CFLAGS" ] && feature_python=yes
 280         fi
 281 fi
 282 if [ "$feature_python" = yes ] ; then
 283         printf "yes\n"
 284         printf "WARNING: python plugin needs environment variable PYTHONHOME\n"
 285         printf "  set to python's prefix.\n"
 286         printf "  lack of that environment variable will cause ixchat exitting\n"
 287         printf "  when the plugin is loaded.\n"
 288         printf "  on sabotage linux, use \"PYTHONHOME=/ ixchat\"\n"
 289         printf "  to launch the program.\n"
 290         add_config "PY_CFLAGS = $PY_CFLAGS"
 291         add_config "PY_LDFLAGS = $PY_LDFLAGS"
 292         add_config "PLUGINS += python.so"
 293         use_plugin=1
 294 else
 295         printf "no\n"
 296 fi
 297
 298 if [ "$use_plugin" = 1 ] ; then
 299         add_cflags "-DUSE_PLUGIN"
 300 fi
 301
 302 if isbsd || ismac ; then
 303         add_config "INSTALL_FLAGS=-m"
 304 fi
 305
 306 add_cflags "\$(USER_CPPFLAGS) \$(USER_CFLAGS)"
 307 add_ldflags "\$(USER_LDFLAGS)"
 308 echo done, now run make \&\& make install
 309