Revision control

Line Code
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
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
#!/usr/bin/env bash
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
################################################################################
#
# This script builds NSS with gyp and ninja.
#
# This build system is still under development.  It does not yet support all
# the features or platforms that NSS supports.

set -e

cwd=$(cd $(dirname $0); pwd -P)
source "$cwd"/coreconf/nspr.sh
source "$cwd"/coreconf/sanitizers.sh
GYP=${GYP:-gyp}

# Usage info
show_help()
{
    cat "$cwd"/help.txt
}

run_verbose()
{
    if [ "$verbose" = 1 ]; then
        echo "$@"
        exec 3>&1
    else
        exec 3>/dev/null
    fi
    "$@" 1>&3 2>&3
    exec 3>&-
}

if [ -n "$CCC" ] && [ -z "$CXX" ]; then
    export CXX="$CCC"
fi

opt_build=0
build_64=0
clean=0
rebuild_gyp=0
rebuild_nspr=0
target=Debug
verbose=0
fuzz=0
fuzz_tls=0
fuzz_oss=0
no_local_nspr=0
armhf=0

gyp_params=(--depth="$cwd" --generator-output=".")
nspr_params=()
ninja_params=()

# try to guess sensible defaults
arch=$(python "$cwd"/coreconf/detect_host_arch.py)
if [ "$arch" = "x64" -o "$arch" = "aarch64" ]; then
    build_64=1
elif [ "$arch" = "arm" ]; then
    armhf=1
fi

# parse command line arguments
while [ $# -gt 0 ]; do
    case $1 in
        -c) clean=1 ;;
        --gyp|-g) rebuild_gyp=1 ;;
        --nspr) nspr_clean; rebuild_nspr=1 ;;
        -j) ninja_params+=(-j "$2"); shift ;;
        -v) ninja_params+=(-v); verbose=1 ;;
        --test) gyp_params+=(-Dtest_build=1) ;;
        --clang) export CC=clang; export CCC=clang++; export CXX=clang++ ;;
        --gcc) export CC=gcc; export CCC=g++; export CXX=g++ ;;
        --fuzz) fuzz=1 ;;
        --fuzz=oss) fuzz=1; fuzz_oss=1 ;;
        --fuzz=tls) fuzz=1; fuzz_tls=1 ;;
        --scan-build) enable_scanbuild  ;;
        --scan-build=?*) enable_scanbuild "${1#*=}" ;;
        --opt|-o) opt_build=1 ;;
        -m32|--m32) build_64=0 ;;
        --asan) enable_sanitizer asan ;;
        --msan) enable_sanitizer msan ;;
        --ubsan) enable_ubsan ;;
        --ubsan=?*) enable_ubsan "${1#*=}" ;;
        --sancov) enable_sancov ;;
        --sancov=?*) enable_sancov "${1#*=}" ;;
        --pprof) gyp_params+=(-Duse_pprof=1) ;;
        --ct-verif) gyp_params+=(-Dct_verif=1) ;;
        --disable-tests) gyp_params+=(-Ddisable_tests=1) ;;
        --no-zdefs) gyp_params+=(-Dno_zdefs=1) ;;
        --system-sqlite) gyp_params+=(-Duse_system_sqlite=1) ;;
        --with-nspr=?*) set_nspr_path "${1#*=}"; no_local_nspr=1 ;;
        --system-nspr) set_nspr_path "/usr/include/nspr/:"; no_local_nspr=1 ;;
        --enable-libpkix) gyp_params+=(-Ddisable_libpkix=0) ;;
        --enable-fips) gyp_params+=(-Ddisable_fips=0) ;;
        *) show_help; exit 2 ;;
    esac
    shift
done

if [ "$opt_build" = 1 ]; then
    target=Release
else
    target=Debug
fi
if [ "$build_64" = 1 ]; then
    nspr_params+=(--enable-64bit)
elif [ ! "$armhf" = 1 ]; then
    gyp_params+=(-Dtarget_arch=ia32)
fi
if [ "$fuzz" = 1 ]; then
    source "$cwd"/coreconf/fuzz.sh
fi

# set paths
target_dir="$cwd"/out/$target
mkdir -p "$target_dir"
dist_dir="$cwd"/../dist
dist_dir=$(mkdir -p "$dist_dir"; cd "$dist_dir"; pwd -P)
gyp_params+=(-Dnss_dist_dir="$dist_dir")

# -c = clean first
if [ "$clean" = 1 ]; then
    nspr_clean
    rm -rf "$cwd"/out
    rm -rf "$dist_dir"
fi

# This saves a canonical representation of arguments that we are passing to gyp
# or the NSPR build so that we can work out if a rebuild is needed.
# Caveat: This can fail for arguments that are position-dependent.
# e.g., "-e 2 -f 1" and "-e 1 -f 2" canonicalize the same.
check_config()
{
    local newconf="$1".new oldconf="$1"
    shift
    mkdir -p $(dirname "$newconf")
    echo CC="$CC" >"$newconf"
    echo CCC="$CCC" >>"$newconf"
    echo CXX="$CXX" >>"$newconf"
    for i in "$@"; do echo $i; done | sort >>"$newconf"

    # Note: The following diff fails if $oldconf isn't there as well, which
    # happens if we don't have a previous successful build.
    ! diff -q "$newconf" "$oldconf" >/dev/null 2>&1
}

gyp_config="$cwd"/out/gyp_config
nspr_config="$cwd"/out/$target/nspr_config

# If we don't have a build directory make sure that we rebuild.
if [ ! -d "$target_dir" ]; then
    rebuild_nspr=1
    rebuild_gyp=1
elif [ ! -d "$dist_dir"/$target ]; then
    rebuild_nspr=1
fi

# Update NSPR ${C,CXX,LD}FLAGS.
nspr_set_flags $sanitizer_flags

if check_config "$nspr_config" "${nspr_params[@]}" \
                 nspr_cflags="$nspr_cflags" \
                 nspr_cxxflags="$nspr_cxxflags" \
                 nspr_ldflags="$nspr_ldflags"; then
    rebuild_nspr=1
fi

# Forward sanitizer flags.
if [ ! -z "$sanitizer_flags" ]; then
    gyp_params+=(-Dsanitizer_flags="$sanitizer_flags")
fi

if check_config "$gyp_config" "${gyp_params[@]}"; then
    rebuild_gyp=1
fi

# save the chosen target
mkdir -p "$dist_dir"
echo $target > "$dist_dir"/latest

if [[ "$rebuild_nspr" = 1 && "$no_local_nspr" = 0 ]]; then
    nspr_build "${nspr_params[@]}"
    mv -f "$nspr_config".new "$nspr_config"
fi
if [ "$rebuild_gyp" = 1 ]; then
    if ! hash ${GYP} 2> /dev/null; then
        echo "Please install gyp" 1>&2
        exit 1
    fi
    # These extra arguments aren't used in determining whether to rebuild.
    obj_dir="$dist_dir"/$target
    gyp_params+=(-Dnss_dist_obj_dir=$obj_dir)
    if [ "$no_local_nspr" = 0 ]; then
        set_nspr_path "$obj_dir/include/nspr:$obj_dir/lib"
    fi

    run_verbose run_scanbuild ${GYP} -f ninja "${gyp_params[@]}" "$cwd"/nss.gyp

    mv -f "$gyp_config".new "$gyp_config"
fi

# Run ninja.
if hash ninja 2>/dev/null; then
    ninja=ninja
elif hash ninja-build 2>/dev/null; then
    ninja=ninja-build
else
    echo "Please install ninja" 1>&2
    exit 1
fi
run_scanbuild $ninja -C "$target_dir" "${ninja_params[@]}"