0b1f5ea45e
After the most recent round of moving old stuff to 'outdated', src/windows.c contained two references to non-existent files. That broke 'make depend'. Updating it to turn those two into comments seems risky because someone might add an include for some new interface later in the file. So comment them out in the source instead. Also, redo previous 'make depend' update from about three weeks ago to do the same thing.
181 lines
6.7 KiB
Awk
181 lines
6.7 KiB
Awk
# depend.awk -- awk script used to construct makefile dependencies
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# for nethack's source files (`make depend' support for Makefile.src).
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# $NHDT-Date: 1612127123 2021/01/31 21:05:23 $ $NHDT-Branch: NetHack-3.7 $:$NHDT-Revision: 1.13 $
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#
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# usage:
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# cd src ; nawk -f depend.awk ../include/*.h list-of-.c/.cpp-files
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#
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# This awk program scans each file in sequence, looking for lines beginning
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# with `#include "' and recording the name inside the quotes. For .h files,
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# that's all it does. For each .c file, it writes out a make rule for the
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# corresponding .o file; dependencies in nested header files are propagated
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# to the .o target.
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#
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# config.h and hack.h get special handling because of their heavy use;
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# timestamps for them allow make to avoid rechecking dates on
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# subsidiary headers for every source file;
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# extern.h gets special handling to avoid excessive recompilation
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# during development;
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# patchlev.h gets special handling because it only exists on systems
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# which consider filename patchlevel.h to be too long;
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# interp.c gets special handling because it usually doesn't exist; it's
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# assumed to be the last #include in the file where it occurs.
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# win32api.h gets special handling because it only exists for some ports;
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# it's assumed to be the last #include in the file where it occurs
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# zlib.h ditto
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#
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BEGIN { FS = "\"" #for `#include "X"', $2 is X
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special[++sp_cnt] = "../include/config.h"
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special[++sp_cnt] = "../include/hack.h"
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alt_deps["../include/extern.h"] = ""
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alt_deps["../include/patchlev.h"] = ""
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alt_deps["interp.c"] = " #interp.c" #comment it out
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alt_deps["../include/win32api.h"] = " #../include/win32api.h"
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alt_deps["../include/zlib.h"] = " #zlib.h" #comment it out
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}
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FNR == 1 { output_dep() #finish previous file
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file = FILENAME #setup for current file
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}
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/^\#[ \t]*include[ \t]+\"/ { #find `#include "X"'
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incl = $2
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#[3.4.0: gnomehack headers currently aren't in include]
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#[3.6.2: Qt4 headers aren't in include either]
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#[3.6.2: curses headers likewise]
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#[3.7.0: Qt headers have moved]
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if (incl ~ /\.h$/) {
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if (incl ~ "curses\.h")
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incl = "" # skip "curses.h"; it should be <curses.h>
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else if (incl ~ /^..\/lib\/lua-.*\/src\/l/)
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incl = "" # skip lua headers
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else if (incl ~ /^curs/) # curses special case
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incl = "../win/curses/" incl
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else if (incl ~ /^qt/) { # Qt special cases
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# qtext.h is a core header that accidentally matches...
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if (incl ~ /^qtext.h/) # ...the Qt exception
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incl = "../include/" incl
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# Qt v3 headers are in ../win/Qt3
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# Qt v4/v5 headers are in ../win/Qt
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else if (FILENAME ~ /^\.\.\/win\/Qt3\/.*/)
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incl = "../win/Qt3/" incl
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else # Qt v4
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incl = "../win/Qt/" incl
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} else if (incl ~ /^gn/) # gnomehack special case
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incl = "../win/gnome/" incl
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else
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incl = "../include/" incl
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}
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deps[file] = deps[file] " " incl
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}
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END { output_dep() } #finish the last file
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#
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# `file' has been fully scanned, so process it now; for .h files,
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# don't do anything (we've just been collecting their dependencies);
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# for .c files, output the `make' rule for corresponding .o file
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#
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function output_dep( targ)
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{
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if (file ~ /\.cp*$/) {
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#prior to very first .c|.cpp file, handle some special header file cases
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if (!c_count++)
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output_specials()
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#construct object filename from source filename
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targ = file; sub("^.+/", "", targ); sub("\\.cp*$", ".o", targ)
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#format and write the collected dependencies
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format_dep(targ, file)
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}
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}
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#
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# handle some targets (config.h, hack.h) via special timestamping rules
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#
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function output_specials( i, sp, alt_sp)
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{
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for (i = 1; i <= sp_cnt; i++) {
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sp = special[i]
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#change "../include/foo.h" first to "foo.h", then ultimately to "$(FOO_H)"
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alt_sp = sp; sub("^.+/", "", alt_sp)
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print "#", alt_sp, "timestamp" #output a `make' comment
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#- sub("\\.", "_", alt_sp); alt_sp = "$(" toupper(alt_sp) ")"
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#+ Some nawks don't have toupper(), so hardwire these instead.
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sub("config.h", "$(CONFIG_H)", alt_sp); sub("hack.h", "$(HACK_H)", alt_sp)
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format_dep(alt_sp, sp) #output the target
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print "\ttouch " alt_sp #output a build command
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alt_deps[sp] = alt_sp #alternate dependency for depend()
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}
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print "#"
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}
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#
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# write a target and its dependency list in pretty-printed format;
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# if target's primary source file has a path prefix, also write build command
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#
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function format_dep(target, source, col, n, i, list)
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{
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if (substr(target,1,1) == "$") {
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prefix = ""
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} else {
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prefix = "$(TARGETPFX)"
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}
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split("", done) #``for (x in done) delete done[x]''
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printf("%s%s:", prefix, target); col = length(target) + 1 + length(prefix)
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#- printf("\t"); col += 8 - (col % 8);
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#- if (col == 8) { printf("\t"); col += 8 }
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source = depend("", source, 0)
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n = split(source, list, " +")
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for (i = 2; i <= n; i++) { #(leading whitespace yields empty 1st element)
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if (col + length(list[i]) >= (i < n ? 78 : 80)) {
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printf(" \\\n\t\t"); col = 16 #make a backslash+newline split
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} else {
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printf(" "); col++;
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}
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printf("%s", list[i]); col += length(list[i])
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}
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printf("\n") #terminate
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#write build command if first source entry has non-include path prefix
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source = list[2]
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if (source ~ /\// && substr(source, 1, 11) != "../include/") {
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if (source ~ /\.cpp$/ )
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print "\t$(TARGET_CXX) $(TARGET_CXXFLAGS) -c -o $@ " source
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else if (source ~ /\/X11\//) # "../win/X11/foo.c"
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print "\t$(TARGET_CC) $(TARGET_CFLAGS) $(X11CFLAGS) -c -o $@ " source
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else if (source ~ /\/gnome\//) # "../win/gnome/foo.c"
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print "\t$(TARGET_CC) $(TARGET_CFLAGS) $(GNOMEINC) -c -o $@ " source
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else
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print "\t$(TARGET_CC) $(TARGET_CFLAGS) -c -o $@ " source
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}
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}
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#
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# recursively add the dependencies for file `name' to string `inout'
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# (unless `skip', in which case we're only marking files as already done)
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#
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function depend(inout, name, skip, n, i, list)
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{
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if (!done[name]++) {
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if (name in alt_deps) { #some names have non-conventional dependencies
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if (!skip) inout = inout " " alt_deps[name]
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skip = 1
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} else { #ordinary name
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if (!skip) inout = inout " " name
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}
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if (name in deps) {
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#- n = split(deps[name], list, " +")
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#- for (i = 2; i <= n; i++) #(leading whitespace yields empty 1st element)
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#- inout = depend(inout, list[i], skip)
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#+ At least one implementation of nawk handles the local array `list' wrong,
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#+ so the clumsier substitute code below is used as a workaround.
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list = deps[name]; sub("^ +", "", list)
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while (list) {
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match((list " "), " +"); i = RSTART; n = RLENGTH
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inout = depend(inout, substr(list, 1, i-1), skip)
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list = substr(list, i+n)
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}
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}
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}
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return inout
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}
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#depend.awk#
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