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[libpng16] Bump version to 1.6.1beta05

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This commit is contained in:
Glenn Randers-Pehrson
2013-03-02 14:58:22 -06:00
parent f3af706c2a
commit 871b1d0fab
186 changed files with 20681 additions and 8559 deletions
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217
scripts/options.awk
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@@ -30,22 +30,33 @@
# are copied to the preprocessed file).
BEGIN{
out="/dev/null" # intermediate, preprocessed, file
out="" # intermediate, preprocessed, file
pre=-1 # preprocess (first line)
version="libpng version unknown" # version information
version_file="" # where to find the version
err=0 # in-line exit sets this
start="PNG_DEFN_MAGIC-" # Arbitrary start
end="-PNG_DEFN_END" # Arbitrary end
ct="PNG_JOIN" # Join two tokens
cx= "/" ct "*" # Open C comment for output file
comment=start cx # Comment start
# The following definitions prevent the C preprocessor noticing the lines
# that will be in the final output file. Some C preprocessors tokenise
# the lines, for example by inserting spaces around operators, and all
# C preprocessors notice lines that start with '#', most remove comments.
# The technique adopted here is to make the final output lines into
# C strings (enclosed in double quotes), preceeded by PNG_DFN. As a
# consequence the output cannot contain a 'raw' double quote - instead put
# @' in, this will be replaced by a single " afterward. See the parser
# script dfn.awk for more capabilities (not required here). Note that if
# you need a " in a 'setting' in pnglibconf.dfa it must also be @'!
dq="@'" # For a single double quote
start=" PNG_DFN \"" # Start stuff to output (can't contain a "!)
end="\" " # End stuff to output
subs="@\" " # Substitute start (substitute a C macro)
sube=" \"@" # Substitute end
comment=start "/*" # Comment start
cend="*/" end # Comment end
def=start "#define PNG_" ct # Arbitrary define
sup=ct "_SUPPORTED" end # end supported option
und=comment "#undef PNG_" ct # Unsupported option
une=ct "_SUPPORTED" cend # end unsupported option
error=start "ERROR:" # error message
def=start "#define PNG_" # Arbitrary define
sup="_SUPPORTED" end # end supported option
und=comment "#undef PNG_" # Unsupported option
une="_SUPPORTED" cend # end unsupported option
error=start "ERROR:" # error message, terminate with 'end'
# Variables
deb=0 # debug - set on command line
@@ -68,7 +79,7 @@ BEGIN{
}
# The output file must be specified before any input:
out == "/dev/null" {
out == "" {
print "out=output.file must be given on the command line"
err = 1
exit 1
@@ -241,95 +252,146 @@ $1 == "file" && NF >= 2{
# be later) entry may turn an option on or off explicitly.
$1 == "option" && NF >= 2{
onoff = option[$2] # records current (and the default is "", enabled)
opt = $2
sub(/,$/,"",opt)
onoff = option[opt] # records current (and the default is "", enabled)
key = ""
for (i=3; i<=NF; ++i) {
if ($(i) == "on" || $(i) == "off" || $(i) == "disabled") {
key = ""
if (onoff != $(i)) {
# on or off can zap disabled or enabled:
if (onoff == "" || (onoff == "disabled" || onoff == "enabled") && ($(i) == "on" || $(i) == "off")) {
# It's easy to mis-spell the option when turning it
# on or off, so warn about it here:
if (onoff == "" && ($(i) == "on" || $(i) == "off")) {
print $2 ": ERROR: turning unrecognized option", $(i)
# For the moment error out - it is safer
err = 1 # prevent END{} running
exit 1
}
onoff = $(i)
} else {
# Print a message, otherwise the error
# below is incomprehensible
print $2 ": currently", onoff ": attempt to turn", $(i)
break
}
istart = 3
do {
if (istart == 1) { # continuation line
val = getline
if (val != 1) { # error reading it
if (val == 0)
print "option", opt ": ERROR: missing contination line"
else
print "option", opt ": ERROR: error reading continuation line"
# This is a hard error
err = 1 # prevent END{} running
exit 1
}
} else if ($(i) == "requires" || $(i) == "if" || $(i) == "enables") {
key = $(i)
} else if (key == "requires") {
requires[$2] = requires[$2] " " $(i)
} else if (key == "if") {
iffs[$2] = iffs[$2] " " $(i)
} else if (key == "enables") {
enabledby[$(i)] = enabledby[$(i)] " " $2
} else
break # bad line format
}
}
for (i=istart; i<=NF; ++i) {
val=$(i)
sub(/,$/,"",val)
if (val == "on" || val == "off" || val == "disabled") {
key = ""
if (onoff != val) {
# on or off can zap disabled or enabled:
if (onoff == "" || (onoff == "disabled" || onoff == "enabled") &&
(val == "on" || val == "off")) {
# It's easy to mis-spell the option when turning it
# on or off, so warn about it here:
if (onoff == "" && (val == "on" || val == "off")) {
print "option", opt ": ERROR: turning unrecognized option", val
# For the moment error out - it is safer
err = 1 # prevent END{} running
exit 1
}
onoff = val
} else {
# Print a message, otherwise the error
# below is incomprehensible
print "option", opt ": currently", onoff ": attempt to turn", val
break
}
}
} else if (val == "requires" || val == "if" || val == "enables") {
key = val
} else if (key == "requires") {
requires[opt] = requires[opt] " " val
} else if (key == "if") {
iffs[opt] = iffs[opt] " " val
} else if (key == "enables") {
enabledby[val] = enabledby[val] " " opt
} else
break # bad line format
}
istart = 1
} while (i > NF && $0 ~ /,$/)
if (i > NF) {
# Set the option, defaulting to 'enabled'
if (onoff == "") onoff = "enabled"
option[$2] = onoff
option[opt] = onoff
next
}
# Else fall through to the error handler
}
# chunk NAME [requires OPT] [on|off|disabled]
# chunk NAME [requires OPT] [enables LIST] [on|off|disabled]
# Expands to the 'option' settings appropriate to the reading and
# writing of an ancilliary PNG chunk 'NAME':
#
# option READ_NAME requires READ_ANCILLARY_CHUNKS [READ_OPT]
# option READ_NAME enables NAME
# option READ_NAME enables NAME LIST
# [option READ_NAME off]
# option WRITE_NAME requires WRITE_ANCILLARY_CHUNKS [WRITE_OPT]
# option WRITE_NAME enables NAME
# option WRITE_NAME enables NAME LIST
# [option WRITE_NAME off]
pre != 0 && $1 == "chunk" && NF >= 2{
# 'chunk' is handled on the first pass by writing appropriate
# 'option' lines into the intermediate file.
opt = $2
sub(/,$/,"",opt)
onoff = ""
reqread = ""
reqwrite = ""
i = 3 # indicates format error
if (NF > 2) {
enables = ""
req = 0
istart = 3
do {
if (istart == 1) { # continuation line
val = getline
if (val != 1) { # error reading it
if (val == 0)
print "chunk", opt ": ERROR: missing contination line"
else
print "chunk", opt ": ERROR: error reading continuation line"
# This is a hard error
err = 1 # prevent END{} running
exit 1
}
}
# read the keywords/additional OPTS
req = 0
for (i=3; i<=NF; ++i) {
if ($(i) == "on" || $(i) == "off" || $(i) == "disabled") {
if (onoff != $(i)) {
for (i=istart; i<=NF; ++i) {
val = $(i)
sub(/,$/,"",val)
if (val == "on" || val == "off" || val == "disabled") {
if (onoff != val) {
if (onoff == "")
onoff = $(i)
onoff = val
else
break # on/off conflict
}
} else if ($(i) == "requires")
req = 0
} else if (val == "requires")
req = 1
else if (req != 1)
else if (val == "enables")
req = 2
else if (req == 1){
reqread = reqread " READ_" val
reqwrite = reqwrite " WRITE_" val
} else if (req == 2)
enables = enables " " val
else
break # bad line: handled below
else {
reqread = reqread " READ_" $(i)
reqwrite = reqwrite " WRITE_" $(i)
}
}
}
istart = 1
} while (i > NF && $0 ~ /,$/)
if (i > NF) {
# Output new 'option' lines to the intermediate file (out)
print "option READ_" $2, "requires READ_ANCILLARY_CHUNKS" reqread, "enables", $2, onoff >out
print "option WRITE_" $2, "requires WRITE_ANCILLARY_CHUNKS" reqwrite, "enables", $2, onoff >out
print "option READ_" opt, "requires READ_ANCILLARY_CHUNKS" reqread, "enables", opt enables , onoff >out
print "option WRITE_" opt, "requires WRITE_ANCILLARY_CHUNKS" reqwrite, "enables", opt enables, onoff >out
next
}
# Else hit the error handler below - bad line format!
@@ -467,6 +529,8 @@ END{
print "" >out
print "/* SETTINGS */" >out
print comment, "settings", cend >out
# Sort (in dfn.awk) on field 2, the setting name
print "PNG_DFN_START_SORT 2" >out
finished = 0
while (!finished) {
finished = 1
@@ -486,10 +550,17 @@ END{
# All the requirements have been processed, output
# this setting.
if (deb) print "setting", i
deflt = defaults[i]
# A leading @ means leave it unquoted so the preprocessor
# can substitute the build time value
if (deflt ~ /^ @/)
deflt = " " subs substr(deflt, 3) sube
# Remove any spurious trailing spaces
sub(/ *$/,"",deflt)
print "" >out
print "/* setting: ", i >out
print " * requires:" setting[i] >out
print " * default: ", defaults[i], "*/" >out
print " * default: ", defaults[i] defltinfo, "*/" >out
if (defaults[i] == "") { # no default, only check if defined
print "#ifdef PNG_" i >out
}
@@ -501,13 +572,14 @@ END{
if (defaults[i] != "") { # default handling
print "#ifdef PNG_" i >out
}
print def i, "PNG_" i end >out
# PNG_<i> is defined, so substitute the value:
print def i, subs "PNG_" i sube end >out
if (defaults[i] != "") {
print "#else /*default*/" >out
# And add the default definition for the benefit
# of later settings an options test:
print "# define PNG_" i defaults[i] >out
print def i defaults[i] end >out
print "# define PNG_" i deflt >out
print def i deflt end >out
}
print "#endif" >out
@@ -523,6 +595,7 @@ END{
exit 1
}
}
print "PNG_DFN_END_SORT" >out
print comment, "end of settings", cend >out
# Now do the options - somewhat more complex. The dependency
@@ -617,6 +690,9 @@ END{
}
if (err) exit 1
# Sort options too
print "PNG_DFN_START_SORT 2" >out
# option[i] is now the complete list of all the tokens we may
# need to output, go through it as above, depth first.
finished = 0
@@ -768,10 +844,11 @@ END{
exit 1
}
}
print "PNG_DFN_END_SORT" >out
print comment, "end of options", cend >out
# Regular end - everything looks ok
if (protect != "") {
print start "#endif", cx, protect, "*/" end >out
print start "#endif", "/*", protect, "*/" end >out
}
}