Holas , he estado revisando por necesidad el updater de fpc FREE PASCAL COMPILER , me he dado cuenta de que tenia algun problemilla, el desktop no se generaba.
Estaba "intentando" , compilar lazarus , que depende de fpc , y no tenia mas que errores y problemas, y es por que el updater actual , solo metia lo basico , y necesiitaba las sources y alguna cosa mas en el paquete.
mirando en slackbuilds , veo que estan
fpc + fpc-source
asi que he bajado los dos , y he unido TODO , en uno solo , aprovechando el que hizo en su dia vk496 y cambiando lo que necesitaba a cada momento.
espero no se moleste

como digo , ahora fpc , crea la entrada a menu , y las sources en /usr/src/fpc , necesarias para compilar lazarus
fpc_updater
#!/bin/sh
# Script by www.seguridadwireless.net
SCRIPT_VERSION=20150804
############################################################
## Funciones comunes. Su nombre empieza por f_ ##
############################################################
f_variables(){
. /opt/wifislax-updaters/Funciones/funciones_updater
}
############################################################
## Funciones propias del script. Su nombre empieza por F_ ##
############################################################
# Definicion de variables
F_variables() {
PRGNAM=fpc
echo -ne "\033]2;${PRGNAM}_updater\007"
WEB=http://sourceforge.net/projects/freepascal/files/Linux/
VERSION=$(curl -s $WEB/ | grep -m1 "class=\"folder" | awk '{print $2}' | cut -d "\"" -f 2)
DOWNLOAD=$(curl -s $WEB/$VERSION/ | grep "class=\"file " | awk '{print $2}' | cut -d "\"" -f 2 | awk '{print $1}' | grep "i386")
DOWNLOAD2=http://downloads.sourceforge.net/freepascal/${PRGNAM}build-$VERSION.tar.gz
DOWNLOAD3=http://downloads.sourceforge.net/project/freepascal/Source/$VERSION/$PRGNAM-$VERSION.source.tar.gz
}
# Si el paquete no existe se descargara de internet
F_download(){
if [ ! -f $DOWNLOAD ]; then
echo
echo "$CYAN"Descargando sources de $PRGNAM-$VERSION"$CIERRE"
sleep 2
aria2c -x 3 $WEB/$VERSION/$DOWNLOAD
fi
if [ ! -f ${PRGNAM}build-$VERSION.tar.gz ]; then
echo
echo "$CYAN"Descargando sources de ${PRGNAM}build-$VERSION"$CIERRE"
sleep 2
aria2c -x 3 $DOWNLOAD2
fi
if [ ! -f $PRGNAM-$VERSION.source.tar.gz ]; then
echo
echo "$CYAN"Descargando sources de $PRGNAM-$VERSION.source"$CIERRE"
sleep 2
aria2c -x 3 $DOWNLOAD3
fi
}
# Descomprimimos el fichero descargado y compilamos
F_compilar(){
echo
echo "$VERDE"Descomprimiendo ..."$CIERRE"
rm -rf $PRGNAM-$VERSION ${PRGNAM}build-$VERSION
mkdir $PRGNAM-$VERSION ${PRGNAM}build-$VERSION
cd $TMP/$PRGNAM-$VERSION
tar xvf $TMP/$PRGNAM-$VERSION.$ARCH-linux.tar --strip-components=1
cd $TMP/${PRGNAM}build-$VERSION
tar xvf $TMP/${PRGNAM}build-$VERSION.tar.gz
# Unpack binary files.
(
mkdir -p $TMP/$PRGNAM-$VERSION/binary
cd $TMP/$PRGNAM-$VERSION/binary
tar xvf $TMP/$PRGNAM-$VERSION/binary.$ARCH-linux.tar
cd $TMP/$PRGNAM-$VERSION
tar xvf $TMP/$PRGNAM-$VERSION/binary/base.$ARCH-linux.tar.gz
tar xvf $TMP/$PRGNAM-$VERSION/binary/utils.$ARCH-linux.tar.gz
cd $TMP/$PRGNAM-$VERSION/bin
if [ "$ARCH" = "x86_64" ]; then
ln -s ../lib/fpc/$VERSION/ppcx64
else
ln -s ../lib/fpc/$VERSION/ppc386
fi
)
export PATH="$TMP/$PRGNAM-$VERSION/bin":$PATH
echo $PATH
cd $TMP/${PRGNAM}build-$VERSION/${PRGNAM}build-$VERSION
fpcmake -Tall
make build NOGDB=1
make -j1 NOGDB=1 PREFIX=$PKG/usr install
# Fix library dir
[ "$LIBDIRSUFFIX" = "64" ] && mv $PKG/usr/lib $PKG/usr/lib${LIBDIRSUFFIX}
cd $PKG/usr/bin
if [ "$ARCH" = "x86_64" ]; then
ln -s ../lib$LIBDIRSUFFIX/fpc/$VERSION/ppcx64
else
ln -s ../lib$LIBDIRSUFFIX/fpc/$VERSION/ppc386
fi
# Create compiler config file.
mkdir -p $PKG/etc $PKG/usr/lib$LIBDIRSUFFIX/fpc/$VERSION/ide/text
$PKG/usr/lib$LIBDIRSUFFIX/fpc/$VERSION/samplecfg \
$PKG/usr/lib$LIBDIRSUFFIX/fpc/$VERSION \
$PKG/etc
# Clean up the configs by removing our package directory.
sed -i -e "s:$PKG::g" $PKG/etc/fpc.cfg
sed -i -e "s:$PKG::g" $PKG/usr/lib$LIBDIRSUFFIX/fpc/$VERSION/ide/text/fp.cfg
# Creamos las sources
mkdir -p $PKG/usr/src
cd $PKG/usr/src
tar xvf $TMP/$PRGNAM-$VERSION.source.tar.gz
ln -sf $PRGNAM-$VERSION $VERSION
# fix permissions for program docs and demos.
cd $PKG
chown -R root:root .
find -L . \
\( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
-o -perm 511 \) -exec chmod 755 {} \; -o \
\( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
-o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
mkdir -p $PKG/usr/share/applications $PKG/usr/share/pixmaps
#Desktop
echo "[Desktop Entry]
Name=Free Pascal
Comment=Free Pascal
Exec=fp
Icon=fpc
Terminal=true
X-MultipleArgs=false
Type=Application
Categories=Development;
Path=$HOME/FPC
" > $PKG/usr/share/applications/fpc.desktop
#Icono de FPC
echo "iVBORw0KGgoAAAANSUhEUgAAADIAAAAyCAIAAACRXR/mAAAACXBIWXMAAAsTAAALEwEAmpwYAAAA
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4ad4QndT1UkAAAAASUVORK5CYII=" | base64 -d >$PKG/usr/share/pixmaps/fpc.png
sleep 1
}
###################################
## BLOQUE PRINCIPAL DE EJECUCION ##
###################################
# Si se cierra el script inesperadamente, ejecutar la funcion de limpieza
trap f_exitmode SIGHUP SIGINT
#Inicializamos las variables globales
f_variables
#Comprobamos conexion a Internet
f_comprobarConexion
#Inicializamos las variables del script
F_variables
#Creamos directorio de trabajo
f_directorioTemporal
#Mostramos el mensaje de presentacion
f_presentacion
#Comprobamos updates del script
f_comprobarUpdates
#Asignamos o detectamos arquitectura
f_arquitectura i386
#Comprobamos version instalada del paquete
f_versionInstalada
#Si no existe el fichero se descargara
F_download
#Descomprimir fichero descargado y compilamos
F_compilar
#Hacemos strip sobre el paquete
f_strip
#Creamos xzm , instalamos y salimos
f_tareasFinales