xref: /freebsd/tools/build/depend-cleanup.sh (revision 4d3fc8b0)
1#!/bin/sh
2#
3# $FreeBSD$
4#
5# Our current make(1)-based approach to dependency tracking cannot cope with
6# certain source tree changes, including:
7# - removing source files
8# - replacing generated files with files committed to the tree
9# - changing file extensions (e.g. a C source file rewritten in C++)
10#
11# We handle those cases here in an ad-hoc fashion by looking for the known-
12# bad case in the main .depend file, and if found deleting all of the related
13# .depend files (including for example the lib32 version).
14#
15# These tests increase the build time (albeit by a small amount), so they
16# should be removed once enough time has passed and it is extremely unlikely
17# anyone would try a NO_CLEAN build against an object tree from before the
18# related change.  One year should be sufficient.
19
20OBJTOP=$1
21if [ ! -d "$OBJTOP" ]; then
22	echo "usage: $(basename $0) objtop" >&2
23	exit 1
24fi
25
26# $1 directory
27# $2 source filename w/o extension
28# $3 source extension
29clean_dep()
30{
31	if egrep -qw "$2\.$3" "$OBJTOP"/$1/.depend.$2.*o 2>/dev/null; then
32		echo "Removing stale dependencies and objects for $2.$3"
33		rm -f \
34		    "$OBJTOP"/$1/.depend.$2.* \
35		    "$OBJTOP"/$1/$2.*o \
36		    "$OBJTOP"/obj-lib32/$1/.depend.$2.* \
37		    "$OBJTOP"/obj-lib32/$1/$2.*o
38	fi
39}
40
41# Date      Rev      Description
42# 20200310  r358851  rename of openmp's ittnotify_static.c to .cpp
43clean_dep lib/libomp ittnotify_static c
44# 20200414  r359930  closefrom
45clean_dep lib/libc   closefrom S
46
47# 20200826  r364746  OpenZFS merge, apply a big hammer (remove whole tree)
48if [ -e "$OBJTOP"/cddl/lib/libzfs/.depend.libzfs_changelist.o ] && \
49    egrep -qw "cddl/contrib/opensolaris/lib/libzfs/common/libzfs_changelist.c" \
50    "$OBJTOP"/cddl/lib/libzfs/.depend.libzfs_changelist.o; then
51	echo "Removing old ZFS tree"
52	rm -rf "$OBJTOP"/cddl "$OBJTOP"/obj-lib32/cddl
53fi
54
55# 20200916  WARNS bumped, need bootstrapped crunchgen stubs
56if [ -e "$OBJTOP"/rescue/rescue/rescue.c ] && \
57    ! grep -q 'crunched_stub_t' "$OBJTOP"/rescue/rescue/rescue.c; then
58	echo "Removing old rescue(8) tree"
59	rm -rf "$OBJTOP"/rescue/rescue
60fi
61
62# 20210105  fda7daf06301   pfctl gained its own version of pf_ruleset.c
63if [ -e "$OBJTOP"/sbin/pfctl/.depend.pf_ruleset.o ] && \
64    egrep -qw "sys/netpfil/pf/pf_ruleset.c" \
65    "$OBJTOP"/sbin/pfctl/.depend.pf_ruleset.o; then
66	echo "Removing old pf_ruleset dependecy file"
67	rm -rf "$OBJTOP"/sbin/pfctl/.depend.pf_ruleset.o
68fi
69
70# 20210108  821aa63a0940   non-widechar version of ncurses removed
71if [ -e "$OBJTOP"/lib/ncurses/ncursesw ]; then
72	echo "Removing stale ncurses objects"
73	rm -rf "$OBJTOP"/lib/ncurses "$OBJTOP"/obj-lib32/lib/ncurses
74fi
75
76# 20210608  f20893853e8e    move from atomic.S to atomic.c
77clean_dep   cddl/lib/libspl atomic S
78# 20211207  cbdec8db18b5    switch to libthr-friendly pdfork
79clean_dep   lib/libc        pdfork S
80
81# 20211230  5e6a2d6eb220    libc++.so.1 path changed in ldscript
82if [ -e "$OBJTOP"/lib/libc++/libc++.ld ] && \
83    fgrep -q "/usr/lib/libc++.so" "$OBJTOP"/lib/libc++/libc++.ld; then
84	echo "Removing old libc++ linker script"
85	rm -f "$OBJTOP"/lib/libc++/libc++.ld
86fi
87
88# 20220326  fbc002cb72d2    move from bcmp.c to bcmp.S
89if [ "$MACHINE_ARCH" = "amd64" ]; then
90    clean_dep lib/libc bcmp c
91fi
92
93# 20220524  68fe988a40ca    kqueue_test binary replaced shell script
94if stat "$OBJTOP"/tests/sys/kqueue/libkqueue/*kqtest* \
95    "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.kqtest* >/dev/null 2>&1; then
96	echo "Removing old kqtest"
97	rm -f "$OBJTOP"/tests/sys/kqueue/libkqueue/.depend.* \
98	   "$OBJTOP"/tests/sys/kqueue/libkqueue/*
99fi
100
101# 20221115  42d10b1b56f2    move from rs.c to rs.cc
102clean_dep   usr.bin/rs      rs c
103
104# 20230110  bc42155199b5    usr.sbin/zic/zic -> usr.sbin/zic
105if [ -d "$OBJTOP"/usr.sbin/zic/zic ] ; then
106	echo "Removing old zic directory"
107	rm -rf "$OBJTOP"/usr.sbin/zic/zic
108fi
109
110# 20230208  29c5f8bf9a01    move from mkmakefile.c to mkmakefile.cc
111clean_dep   usr.sbin/config  mkmakefile c
112# 20230209  83d7ed8af3d9    convert to main.cc and mkoptions.cc
113clean_dep   usr.sbin/config  main c
114clean_dep   usr.sbin/config  mkoptions c
115