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|
#! /usr/bin/perl
# --- GDIS install script (redirect errors -> install.log)
open(STDERR, ">install.log");
# pre-checks os / files (eg pkg-config) / libs
$osmakefile = &check_os();
# TODO - print help on where to get if not installed?
&check_program("pkg-config") || die;
print ("Checking pre-requisite packages.\n");
# TODO - print help on where to get if not installed?
&check_library("gtk+-2.0") || die;
&check_library("gtkglext-1.0") || die;
# print current options + any warnings etc
do
{
print "Enter Install location: ";
$_ = <>;
chomp;
}
while (&check_install($_));
$dest = $_."/";
# allow editing of make/install options
# TODO - if cant open - attempt to open in current directory
&build_makefile($osmakefile);
# perform make
if (system("make -f makefile.gdis") != 0)
{
print "GDIS compile failed - check install.log\n";
close(STDERR);
exit;
}
else
{
print "GDIS compile successful.\n";
}
# perform install / strip
# copy gdis exec + manual etc etc to install location
# dont install if dest is ./
if (length($dest) > 2)
{
print "Installing GDIS in: [$dest]\n";
system("strip gdis");
system("cp gdis $dest");
system("cp gdis.elements $dest");
system("cp gdis.library $dest");
system("cp gdis.manual $dest");
}
print "done.\n";
close(STDERR);
exit;
# --- subroutines
# --- returns the os specific makefile
sub check_os
{
$os = "makefile.linux";
open(OUT, "uname -a |");
while (<OUT>)
{
if (/Linux/)
{
$os = "makefile.linux";
}
if (/Darwin Kernel/)
{
$os = "makefile.osx";
}
}
close(OUT);
return $os;
}
# -- checks is directory is a valid install location
sub check_install
{
print "$_[0] : ";
stat($_[0]);
if (!-e _)
{
print "does not exist.\n";
return(1);
}
if (!-d _)
{
print "is not a directory.\n";
return(1);
}
if (!-w _)
{
print "is not writable by you.\n";
return(1);
}
print " [ok]\n";
return(0);
}
# -- checks if argument string is a valid executable
sub check_program
{
$ret = system($_[0]);
if ($ret == -1)
{
print "Missing program: $_[0]\n";
return(0);
}
return(1);
}
# -- primitive for pkg-config checking
sub check_library
{
print "$_[0] ";
if (system("pkg-config --exists $_[0]"))
{
print "[not found]\n";
return(0);
}
else
{
print "[ok]\n";
}
return(1);
}
# CURRENT - create a minimal makefile
# NB: can effect a make clean etc etc through perl script
sub build_makefile
{
open(OUT, ">makefile.gdis") || die;
print OUT "# --- auto generated GDIS makefile\n\n";
# TODO - pass OS as argument
print OUT "include $_[0]\n";
print OUT "include makefile.src\n\n";
print OUT "OBJ = \$(SRC:.c=.o)\n\n";
print OUT "gdis: \$(OBJ)\n";
print OUT "\t\$(CC) \$(OBJ) \$(LDFLAGS) -o gdis \$(LIBS)\n";
print OUT ".c.o:\n";
print OUT "\t\$(CC) \$(CFLAGS) -c \$< \$(INCS)\n";
close(OUT);
}
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