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|
#!/usr/bin/perl -w
# configure script for ella
use strict 'subs';
# default location of smbase relative to this package
$SMBASE = "../smbase";
$req_smcv = 1.03; # required sm_config version number
$thisPackage = "ella";
# -------------- BEGIN common block ---------------
# do an initial argument scan to find if smbase is somewhere else
for (my $i=0; $i < @ARGV; $i++) {
my ($d) = ($ARGV[$i] =~ m/-*smbase=(.*)/);
if (defined($d)) {
$SMBASE = $d;
}
}
# try to load the sm_config module
eval {
push @INC, ($SMBASE);
require sm_config;
};
if ($@) {
die("$@" . # ends with newline, usually
"\n" .
"I looked for smbase in \"$SMBASE\".\n" .
"\n" .
"You can explicitly specify the location of smbase with the -smbase=<dir>\n" .
"command-line argument.\n");
}
# check version number
$smcv = get_sm_config_version();
if ($smcv < $req_smcv) {
die("This package requires version $req_smcv of sm_config, but found\n" .
"only version $smcv.\n");
}
# -------------- END common block ---------------
# defaults
@LDFLAGS = ("-g -Wall");
$AST = "../ast";
$ELKHOUND = "../elkhound";
$ELSA = "../elsa";
$GCOV_MODS = "";
sub usage {
standardUsage();
print(<<"EOF");
package options:
-prof enable profiling
-gcov=<mods> enable coverage testing for modules <mods>
-devel add options useful while developing (-Werror)
-ast=<dir>: specify where the ast system is [$AST]
-elkhound=<dir>: specify where the elkhound system is [$ELKHOUND]
-elsa=<dir>: specify where the elsa system is [$ELSA]
-useSerialNumbers: give serial numbers to some objects for debugging
EOF
}
# -------------- BEGIN common block 2 -------------
# global variables holding information about the current command-line
# option being processed
$option = "";
$value = "";
# process command-line arguments
foreach $optionAndValue (@ARGV) {
# ignore leading '-' characters, and split at first '=' (if any)
($option, $value) =
($optionAndValue =~ m/^-*([^-][^=]*)=?(.*)$/);
# option = value
my $arg = $option;
if (handleStandardOption()) {
# handled by sm_config.pm
}
# -------------- END common block 2 -------------
elsif ($arg eq "prof") {
push @CCFLAGS, "-pg";
push @LDFLAGS, "-pg";
}
elsif ($arg eq "gcov") {
$GCOV_MODS = getOptArg();
}
elsif ($arg eq "devel") {
push @CCFLAGS, "-Werror";
}
elsif ($arg eq "ast") {
$AST = getOptArg();
}
elsif ($arg eq "elkhound") {
$ELKHOUND = getOptArg();
}
elsif ($arg eq "elsa") {
$ELSA = getOptArg();
}
elsif ($arg eq "useSerialNumbers") {
push @CCFLAGS, "-DUSE_SERIAL_NUMBERS=1";
}
else {
die "unknown option: $arg\n";
}
}
finishedOptionProcessing();
# ------------------ check for needed components ----------------
test_smbase_presence();
test_CXX_compiler();
# ast
if (! -f "$AST/asthelp.h") {
die "I cannot find asthelp.h in `$AST'.\n" .
"The ast system is required for ella.\n" .
"If it's in a different location, use the -ast=<dir> option.\n";
}
# elkhound
if (! -f "$ELKHOUND/glr.h") {
die "I cannot find glr.h in `$ELKHOUND'.\n" .
"The elkhound system is required for ella.\n" .
"If it's in a different location, use the -elkhound=<dir> option.\n";
}
#elsa
if (! -f "$ELSA/baselexer.h") {
die "I cannot find baselexer.h in `$ELSA'.\n" .
"The elsa system is required for ella.\n" .
"If it's in a different location, use the -elsa=<dir> option.\n";
}
$PERL = get_PERL_variable();
# ------------------ config.summary -----------------
$summary = getStandardConfigSummary();
$summary .= <<"OUTER_EOF";
cat <<EOF
LDFLAGS: @LDFLAGS
SMBASE: $SMBASE
AST: $AST
ELKHOUND: $ELKHOUND
ELSA: $ELSA
EOF
OUTER_EOF
if ($GCOV_MODS) {
$summary .= "echo \" GCOV_MODS: $GCOV_MODS\"\n";
}
writeConfigSummary($summary);
# ------------------- config.status ------------------
writeConfigStatus("LDFLAGS" => "@LDFLAGS",
"SMBASE" => "$SMBASE",
"AST" => "$AST",
"ELKHOUND" => "$ELKHOUND",
"ELSA" => "$ELSA",
"PERL" => "$PERL",
"GCOV_MODS" => "$GCOV_MODS");
# ----------------- final actions -----------------
# run the output file generator
run("./config.status");
print("\nYou can now run make, usually called 'make' or 'gmake'.\n");
exit(0);
# silence warnings
pretendUsed($thisPackage);
|
