1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
#!/bin/sh -e
# This script runs one build with setup environment variables: CC, CMAKE and
# REMOTE.
: "${CC:=gcc}"
: "${CMAKE:=no}"
: "${REMOTE:=no}"
: "${LIBPCAP_TAINTED:=no}"
: "${MAKE_BIN:=make}"
. ./build_common.sh
# Install directory prefix
if [ -z "$PREFIX" ]; then
PREFIX=`mktempdir libpcap_build`
echo "PREFIX set to '$PREFIX'"
DELETE_PREFIX=yes
fi
print_cc_version
# The norm is to compile without any warnings, but libpcap builds on some OSes
# are not warning-free for one or another reason. If you manage to fix one of
# these cases, please remember to remove respective exemption below to help any
# later warnings in the same matrix subset trigger an error.
# shellcheck disable=SC2221,SC2222
case `cc_id`/`os_id` in
gcc-*/Linux-*)
# This warning is a bit odd. It is steadily present in Cirrus CI, but not
# in Buildbot. On my Linux system with the same exact distribution and GCC
# as Cirrus CI it reproduces only if GCC receives the "-g" flag:
# make CFLAGS=-g -- does not reproduce
# CFLAGS=-g make -- reproduces
# make -- reproduces
#
# pcap-linux.c:947:8: warning: ignoring return value of 'write', declared
# with attribute warn_unused_result [-Wunused-result]
#
# And even this way it does not make GCC exit with an error when it has
# reported the warning and has received the "-Werror" flag. So let's keep
# this block no-op for now.
;;
clang-*/NetBSD-*)
# pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
# 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
# [-Wshorten-64-to-32]
# pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
# 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
# [-Wshorten-64-to-32]
# pcap-bpf.c:1274:39: warning: implicit conversion loses integer precision:
# 'long' to 'suseconds_t' (aka 'int') [-Wshorten-64-to-32]
LIBPCAP_TAINTED=yes
;;
clang-15.*/*)
# grammar.c:1369:14: warning: variable 'pcap_nerrs' set but not used
# [-Wunused-but-set-variable]
LIBPCAP_TAINTED=yes
;;
clang-*/SunOS-5.11)
# (Solaris 11 and OpenIndiana)
# pcap-bpf.c:1044:18: warning: implicit conversion loses integer precision:
# 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
# [-Wshorten-64-to-32]
# pcap-bpf.c:1045:18: warning: implicit conversion loses integer precision:
# 'uint64_t' (aka 'unsigned long') to 'u_int' (aka 'unsigned int')
# [-Wshorten-64-to-32]
# fad-getad.c:266:52: warning: implicit conversion loses integer precision:
# 'uint64_t'(aka 'unsigned long') to 'bpf_u_int32' (aka 'unsigned int')
# [-Wshorten-64-to-32]
# (Solaris 11)
# pcap-bpf.c:1843:22: warning: implicit conversion loses integer precision:
# 'long' to 'int' [-Wshorten-64-to-32]
# (OpenIndiana)
# rpcapd.c:393:18: warning: this function declaration is not a prototype
# [-Wstrict-prototypes]
[ "`uname -p`" = i386 ] && LIBPCAP_TAINTED=yes
;;
suncc-5.1[45]/SunOS-5.11)
# "scanner.l", line 257: warning: statement not reached
# (186 warnings for scanner.l)
#
# "./filtertest.c", line 259: warning: statement not reached
# "./filtertest.c", line 276: warning: statement not reached
# "./filtertest.c", line 281: warning: statement not reached
LIBPCAP_TAINTED=yes
;;
*/Haiku-*)
# (GCC 8.3.0 and later, Clang 9.0.1.)
# pcap-haiku.cpp:55:21: warning: unused variable 'handlep' [-Wunused-variable]
# pcap-haiku.cpp:50:37: warning: unused parameter 'maxPackets' [-Wunused-parameter]
# pcap-haiku.cpp:111:47: warning: unused parameter 'buffer' [-Wunused-parameter]
# pcap-haiku.cpp:111:59: warning: unused parameter 'size' [-Wunused-parameter]
# pcap-haiku.cpp:268:26: warning: unused parameter 'name' [-Wunused-parameter]
# pcap-haiku.cpp:274:26: warning: unused parameter 'name' [-Wunused-parameter]
# pcap-haiku.cpp:274:58: warning: unused parameter 'errbuf' [-Wunused-parameter]
#
# (The warnings below come from GCC and Clang in CMake builds after installing
# all system updates.)
# gencode.c:4143:9: warning: converting a packed 'struct in6_addr' pointer
# (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
# result in an unaligned pointer value [-Waddress-of-packed-member]
# gencode.c:4144:9: warning: converting a packed 'struct in6_addr' pointer
# (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
# result in an unaligned pointer value [-Waddress-of-packed-member]
# gencode.c:7189:9: warning: converting a packed 'struct in6_addr' pointer
# (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
# result in an unaligned pointer value [-Waddress-of-packed-member]
# gencode.c:7190:9: warning: converting a packed 'struct in6_addr' pointer
# (alignment 1) to a 'uint32_t' {aka 'unsigned int'} pointer (alignment 4) may
# result in an unaligned pointer value [-Waddress-of-packed-member]
LIBPCAP_TAINTED=yes
;;
esac
[ "$LIBPCAP_TAINTED" != yes ] && CFLAGS=`cc_werr_cflags`
if [ "$CMAKE" = no ]; then
run_after_echo ./configure --prefix="$PREFIX" --enable-remote="$REMOTE"
else
# Remove the leftovers from any earlier in-source builds, so this
# out-of-source build does not break because of that.
# https://gitlab.kitware.com/cmake/community/-/wikis/FAQ#what-is-an-out-of-source-build
# (The contents of build/ remaining after an earlier unsuccessful attempt
# can fail subsequent build attempts too, sometimes in non-obvious ways,
# so remove that directory as well.)
run_after_echo rm -rf CMakeFiles/ CMakeCache.txt build/
run_after_echo mkdir build
run_after_echo cd build
run_after_echo cmake ${CFLAGS:+-DEXTRA_CFLAGS="$CFLAGS"} \
-DCMAKE_INSTALL_PREFIX="$PREFIX" -DENABLE_REMOTE="$REMOTE" ..
fi
run_after_echo "$MAKE_BIN" -s clean
if [ "$CMAKE" = no ]; then
run_after_echo "$MAKE_BIN" -s ${CFLAGS:+CFLAGS="$CFLAGS"}
run_after_echo "$MAKE_BIN" -s testprogs ${CFLAGS:+CFLAGS="$CFLAGS"}
else
# The "-s" flag is a no-op and CFLAGS is set using -DEXTRA_CFLAGS above.
run_after_echo "$MAKE_BIN"
run_after_echo "$MAKE_BIN" testprogs
fi
run_after_echo "$MAKE_BIN" install
# VALGRIND_CMD is meant either to collapse or to expand.
# shellcheck disable=SC2086
if [ "$CMAKE" = no ]; then
run_after_echo $VALGRIND_CMD testprogs/findalldevstest
run_after_echo "$MAKE_BIN" releasetar
else
run_after_echo $VALGRIND_CMD run/findalldevstest
fi
handle_matrix_debug
if [ "$DELETE_PREFIX" = yes ]; then
run_after_echo rm -rf "$PREFIX"
fi
# vi: set tabstop=4 softtabstop=0 expandtab shiftwidth=4 smarttab autoindent :
|
