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#!/usr/bin/perl
#
# version.pl
#
# Parse the NASM version file and produce appropriate macros
#
# The NASM version number is assumed to consist of:
#
# <major>.<minor>[.<subminor>][pl<patchlevel>]]<tail>
#
# ... where <tail> is not necessarily numeric.
#
# This defines the following macros:
#
# version.h:
# NASM_MAJOR_VER
# NASM_MINOR_VER
# NASM_SUBMINOR_VER -- this is zero if no subminor
# NASM_PATCHLEVEL_VER -- this is zero is no patchlevel
# NASM_VERSION_ID -- version number encoded
# NASM_VER -- whole version number as a string
#
# version.mac:
# __NASM_MAJOR__
# __NASM_MINOR__
# __NASM_SUBMINOR__
# __NASM_PATCHLEVEL__
# __NASM_VERSION_ID__
# __NASM_VER__
#
($what) = @ARGV;
$line = <STDIN>;
chomp $line;
undef $man, $min, $smin, $plvl, $tail;
if ( $line =~ /^([0-9]+)\.([0-9]+)/ ) {
$maj = $1;
$min = $2;
$tail = $';
if ( $tail =~ /^\.([0-9]+)/ ) {
$smin = $1;
$tail = $';
}
if ( $tail =~ /^(pl|\.)([0-9]+)/ ) {
$plvl = $2;
$tail = $';
}
} else {
die "$0: Invalid input format\n";
}
$nmaj = $maj+0; $nmin = $min+0;
$nsmin = $smin+0; $nplvl = $plvl+0;
$nasm_id = ($nmaj << 24)+($nmin << 16)+($nsmin << 8)+$nplvl;
if ( $what eq 'h' ) {
print "#ifndef NASM_VERSION_H\n";
print "#define NASM_VERSION_H\n";
printf "#define NASM_MAJOR_VER %d\n", $nmaj;
printf "#define NASM_MINOR_VER %d\n", $nmin;
printf "#define NASM_SUBMINOR_VER %d\n", $nsmin;
printf "#define NASM_PATCHLEVEL_VER %d\n", $nplvl;
printf "#define NASM_VERSION_ID 0x%08x\n", $nasm_id;
printf "#define NASM_VER \"%s\"\n", $line;
print "#endif /* NASM_VERSION_H */\n";
} elsif ( $what eq 'mac' ) {
printf "%%define __NASM_MAJOR__ %d\n", $nmaj;
printf "%%define __NASM_MINOR__ %d\n", $nmin;
printf "%%define __NASM_SUBMINOR__ %d\n", $nsmin;
printf "%%define __NASM_PATCHLEVEL__ %d\n", $nplvl;
printf "%%define __NASM_VERSION_ID__ 0%08Xh\n", $nasm_id;
printf "%%define __NASM_VER__ \"%s\"\n", $line;
} elsif ( $what eq 'id' ) {
print $nasm_id, "\n"; # Print ID in decimal
} elsif ( $what eq 'xid' ) {
printf "0x%08x\n", $nasm_id; # Print ID in hexadecimal
} else {
die "$0: Unknown output: $what\n";
}
exit 0;
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