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 config.mak
  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 usage() {
  66         echo "supported arguments"
  67         echo "--prefix=/path            default: $prefix"
  68         echo "--exec_prefix=/path       default: $prefix/bin"
  69         echo "--bindir=/path            default: $prefix/bin"
  70         echo "--libdir=/path            default: $prefix/lib"
  71         echo "--includedir=/path        default: $prefix/include"
  72         echo "--sysconfdir=/path        default: $prefix/etc"
  73         echo "--help : show this text"
  74         exit 1
  75 }
  76
  77 spliteq() {
  78         arg=$1
  79         echo "${arg#*=}"
  80         #alternatives echo "$arg" | cut -d= -f2-
  81         # or echo "$arg" | sed 's/[^=]*=//'
  82 }
  83
  84 parsearg() {
  85         case "$1" in
  86         --prefix=*) prefix=`spliteq $1`;;
  87         --exec_prefix=*) exec_prefix=`spliteq $1`;;
  88         --bindir=*) bindir=`spliteq $1`;;
  89         --libdir=*) libdir=`spliteq $1`;;
  90         --includedir=*) includedir=`spliteq $1`;;
  91         --sysconfdir=*) sysconfdir=`spliteq $1`;;
  92         --help) usage;;
  93         esac
  94 }
  95
  96 while true ; do
  97         case $1 in
  98         -*) parsearg "$1"; shift;;
  99         *) break ;;
 100         esac
 101 done
 102
 103 [ -z "$exec_prefix" ] && exec_prefix=$prefix
 104 [ -z "$libdir" ] && libdir=$prefix/lib
 105 [ -z "$includedir" ] && includedir=$prefix/include
 106 [ -z "$sysconfdir" ] && sysconfdir=$prefix/etc
 107 [ -z "$bindir" ] && bindir=$exec_prefix/bin
 108 [ -z "$CC" ] && CC=cc
 109
 110 clear_config
 111
 112 add_config "prefix = $prefix"
 113 add_config "exec_prefix = $exec_prefix"
 114 add_config "bindir = $bindir"
 115 add_config "libdir = $libdir"
 116 add_config "includedir = $includedir"
 117 add_config "sysconfdir = $sysconfdir"
 118
 119 add_config "CC ?= $CC"
 120 [ -z "$CPPFLAGS" ] || add_config "CPPFLAGS ?= $CPPFLAGS"
 121 [ -z "$CFLAGS" ] ||   add_config "CFLAGS ?= $CFLAGS"
 122
 123 add_cflags "-DXCHATLIBDIR=\\\"$libdir/xchat\\\""
 124 add_cflags "-DXCHATSHAREDIR=\\\"$prefix/share/xchat\\\""
 125 add_cflags "-DUSE_OPENSSL"
 126
 127 for lib in $libs ; do add_lib "$lib" ; done
 128 add_lib openssl "" "-lssl -lcrypto"
 129
 130 prog1=$(check_program "gdk-pixbuf-csource" 1)
 131 add_config "PIXMAPCONVERT = $prog1"
 132
 133 # plugin stuff ...
 134
 135 use_plugin=
 136
 137 perl=$(check_program "perl" 0)
 138 if [ -n "$perl" ] ; then
 139         printf "perl detected, plugin activated\n"
 140         PERL_CFLAGS=`$perl -MExtUtils::Embed -e ccopts 2>/dev/null`
 141         PERL_LDFLAGS=`$perl -MExtUtils::Embed -e ldopts 2>/dev/null | sed 's/-lgdbm //'`
 142         add_config "PERL_CFLAGS = $PERL_CFLAGS"
 143         add_config "PERL_LDFLAGS = $PERL_LDFLAGS"
 144         add_config "PLUGINS += perl.so"
 145         if [ -z "$use_plugin" ] ; then
 146                 add_cflags "-DUSE_PLUGIN"
 147                 use_plugin=1
 148         fi
 149         # there are actually 2 plugins, "old" and new, but all scripts i've seen only use old
 150         add_cflags "-DOLD_PERL"
 151 fi
 152
 153 python=$(check_program "python" 0)
 154 if [ -n "$python" ] ; then
 155         printf "python detected, plugin activated\n"
 156         printf "WARNING: python plugin needs environment variable PYTHONHOME set to python's prefix\n"
 157         printf "  lack of that environment variable will cause xchat exitting when the plugin is loaded\n"
 158         printf "  on sabotage linux, use \"PYTHONHOME=/ ixchat\" to launch the program.\n"
 159
 160         PY_CFLAGS=$(get_pkgconf_cflags python)
 161         PY_LDFLAGS=$(get_pkgconf_ldflags python)
 162         add_config "PY_CFLAGS = $PY_CFLAGS"
 163         add_config "PY_LDFLAGS = $PY_LDFLAGS"
 164         add_config "PLUGINS += python.so"
 165         if [ -z "$use_plugin" ] ; then
 166                 add_cflags "-DUSE_PLUGIN"
 167                 use_plugin=1
 168         fi
 169 fi
 170
 171 tcl=$(check_program "tclsh" 0)
 172 if [ -n "$tcl" ] ; then
 173         printf "tcl detected, plugin activated\n"
 174         TCL_CFLAGS=$(get_pkgconf_cflags tcl)
 175         TCL_LDFLAGS=$(get_pkgconf_ldflags tcl)
 176         tcl_error=
 177         # tcl 8.5 does not come with a pkgconfig file
 178         # tcl 8.6. comes with a buggy one that fails to include its own library
 179         # https://sourceforge.net/tracker/?func=detail&aid=3598298&group_id=10894&atid=110894
 180         # hopefully tcl 8.7 will come with a *working* pkgconfig file ...
 181         # until that happens, we need to fall back to its proprietary tclConfig system.
 182         if [ -z "$TCL_LDFLAGS" ] || ! echo "$TCL_LDFLAGS" | grep "[-]ltcl" > /dev/null ; then
 183                 tcl_found=
 184                 for i in "$libdir" "$prefix"/lib/ "$prefix"/lib64/ /lib /lib64 /usr/lib /usr/lib64 ; do
 185                         printf "searching tclConfig.sh in $i ... "
 186                         if [ -e "$i"/tclConfig.sh ] ; then
 187                                 . "$i"/tclConfig.sh
 188                                 TCL_LDFLAGS="$TCL_LIB_SPEC $TCL_LIBS"
 189                                 tcl_found=1
 190                                 printf "SUCCESS\n"
 191                                 break
 192                         else
 193                                 printf "FAIL\n"
 194                         fi
 195                 done
 196                 if [ -z "$tcl_found" ] ; then
 197                         echo "warning: tclConfig.sh not found and no pkgconfig entry available"
 198                         echo "disabling tcl plugin"
 199                         tcl_error=1
 200                 fi
 201         fi
 202         if [ -z "$tcl_error" ] ; then
 203                 add_config "TCL_CFLAGS = $TCL_CFLAGS"
 204                 add_config "TCL_LDFLAGS = $TCL_LDFLAGS"
 205                 add_config "PLUGINS += tcl.so"
 206                 if [ -z "$use_plugin" ] ; then
 207                         add_cflags "-DUSE_PLUGIN"
 208                         use_plugin=1
 209                 fi
 210         fi
 211 fi
 212
 213
 214 echo done, now run make \&\& make install
 215