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 "CPPFLAGS ?= $CPPFLAGS"
 159 [ -z "$CFLAGS" ] ||   add_config "CFLAGS ?= $CFLAGS"
 160
 161 add_cflags "-DXCHATLIBDIR=\\\"$libdir/xchat\\\""
 162 add_cflags "-DXCHATSHAREDIR=\\\"$prefix/share/xchat\\\""
 163 add_cflags "-DUSE_OPENSSL"
 164
 165 for lib in $libs ; do add_lib "$lib" ; done
 166 add_lib openssl "" "-lssl -lcrypto"
 167
 168 prog1=$(check_program "gdk-pixbuf-csource" 1)
 169 add_config "PIXMAPCONVERT = $prog1"
 170
 171 for i in libsexy gtkspell ; do
 172         eval enabled=\${feature_$i}
 173         printf "checking whether to use library $i..."
 174         if [ "$enabled" = yes ] || [ "$enabled" = auto ] ; then
 175                 local l=$i
 176                 [ $l = gtkspell ] && l=gtkspell-2.0
 177                 spell_flags=$(get_pkgconf_cflags $l)
 178                 if [ ! -z "$spell_flags" ] ; then
 179                         add_cflags "$spell_flags"
 180                         spell_flags=$(get_pkgconf_ldflags $i)
 181                         add_ldflags "$spell_flags"
 182                         [ "$i" = "libsexy" ] add_cflags "-DUSE_LIBSEXY" || add_cflags "-DUSE_GTKSPELL"
 183                         printf "yes\n"
 184                 else
 185                         printf "no\n"
 186                 fi
 187         fi
 188 done
 189
 190 # plugin stuff ...
 191
 192 use_plugin=
 193
 194 printf "checking whether to use perl plugin..."
 195 if [ "$feature_perl" = auto ] ; then
 196         perl=$(check_program "perl" 0)
 197         if [ -n "$perl" ] ; then
 198                 PERL_CFLAGS=`$perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 199                 PERL_LDFLAGS=`$perl -MExtUtils::Embed -e ldopts 2>/dev/null | sed 's/-lgdbm //'`
 200                 feature_perl=yes
 201         fi
 202 fi
 203 if [ "$feature_perl" = yes ] ; then
 204         printf "yes\n"
 205         add_config "PERL_CFLAGS = $PERL_CFLAGS"
 206         add_config "PERL_LDFLAGS = $PERL_LDFLAGS"
 207         add_config "PLUGINS += perl.so"
 208         # there are actually 2 plugins, "old" and new, but all scripts i've seen only use old
 209         add_cflags "-DOLD_PERL"
 210         use_plugin=1
 211 else
 212         printf "no\n"
 213 fi
 214 printf "checking whether to use tcl plugin..."
 215 if [ "$feature_tcl" = auto ] ; then
 216         tcl=$(check_program "tclsh" 0)
 217         if [ -n "$tcl" ] ; then
 218                 TCL_CFLAGS=$(get_pkgconf_cflags tcl)
 219                 TCL_LDFLAGS=$(get_pkgconf_ldflags tcl)
 220                 tcl_error=
 221                 # tcl 8.5 does not come with a pkgconfig file
 222                 # tcl 8.6. comes with a buggy one that fails to include its own library
 223                 # https://sourceforge.net/tracker/?func=detail&aid=3598298&group_id=10894&atid=110894
 224                 # hopefully tcl 8.7 will come with a *working* pkgconfig file ...
 225                 # until that happens, we need to fall back to its proprietary tclConfig system.
 226                 if [ -z "$TCL_LDFLAGS" ] || ! echo "$TCL_LDFLAGS" | grep "[-]ltcl" > /dev/null ; then
 227                         tcl_found=
 228                         for i in "$libdir" "$prefix"/lib/ "$prefix"/lib64/ /lib /lib64 /usr/lib /usr/lib64 ; do
 229                                 printf "searching tclConfig.sh in $i ... "
 230                                 if [ -e "$i"/tclConfig.sh ] ; then
 231                                         . "$i"/tclConfig.sh
 232                                         TCL_LDFLAGS="$TCL_LIB_SPEC $TCL_LIBS"
 233                                         tcl_found=1
 234                                         break
 235                                 fi
 236                         done
 237                         if [ -z "$tcl_found" ] ; then
 238                                 tcl_error=1
 239                         fi
 240                 fi
 241                 [ -z "$tcl_error" ] && feature_tcl=yes
 242         fi
 243 fi
 244 if [ "$feature_tcl" = yes ] ; then
 245         printf "yes\n"
 246         add_config "TCL_CFLAGS = $TCL_CFLAGS"
 247         add_config "TCL_LDFLAGS = $TCL_LDFLAGS"
 248         add_config "PLUGINS += tcl.so"
 249         use_plugin=1
 250 else
 251         printf "no\n"
 252 fi
 253 printf "checking whether to use python plugin..."
 254 if [ "$feature_python" = auto ] ; then
 255         python=$(check_program "python" 0)
 256         if [ -n "$python" ] ; then
 257                 PY_CFLAGS=$(get_pkgconf_cflags python)
 258                 [ -z "$PY_CFLAGS" ] && PY_CFLAGS=$(get_pkgconf_cflags python-2.7)
 259                 if  [ -z "$PY_CFLAGS" ] ; then
 260                         for i in "$prefix" /usr /usr/local/ ; do
 261                                 printf "searching Python.h in $i/include/python2.7 ... "
 262                                 if [ -e "$i"/include/python2.7/Python.h ] ; then
 263                                         PY_CFLAGS=-I"$i"/include/python2.7
 264                                         printf "SUCCESS\n"
 265                                         break;
 266                                 else
 267                                         printf "FAIL\n"
 268                                 fi
 269                         done
 270                 fi
 271                 PY_LDFLAGS=$(get_pkgconf_ldflags python)
 272                 [ -z "$PY_LDFLAGS" ] && PY_LDFLAGS=$(get_pkgconf_ldflags python-2.7)
 273                 [ -z "$PY_LDFLAGS" ] && PY_LDFLAGS=-lpython2.7
 274                 [ ! -z "$PY_CFLAGS" ] && feature_python=yes
 275         fi
 276 fi
 277 if [ "$feature_python" = yes ] ; then
 278         printf "yes\n"
 279         printf "WARNING: python plugin needs environment variable PYTHONHOME\n"
 280         printf "  set to python's prefix.\n"
 281         printf "  lack of that environment variable will cause ixchat exitting\n"
 282         printf "  when the plugin is loaded.\n"
 283         printf "  on sabotage linux, use \"PYTHONHOME=/ ixchat\"\n"
 284         printf "  to launch the program.\n"
 285         add_config "PY_CFLAGS = $PY_CFLAGS"
 286         add_config "PY_LDFLAGS = $PY_LDFLAGS"
 287         add_config "PLUGINS += python.so"
 288         use_plugin=1
 289 else
 290         printf "no\n"
 291 fi
 292
 293 if [ "$use_plugin" = 1 ] ; then
 294         add_cflags "-DUSE_PLUGIN"
 295 fi
 296
 297 if isbsd || ismac ; then
 298         add_config "INSTALL_FLAGS=-m"
 299 fi
 300
 301
 302 echo done, now run make \&\& make install
 303