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#!/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
################################################################################
#
# 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 $0); pwd -P)
dist_dir="$cwd/../dist"
argsfile="$dist_dir/build_args"
source "$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 "$@"
exec 3>&1
"$@" 1>&3 2>&3
exec 3>&-
else
"$@" >/dev/null
fi
}
# The prehistoric bash on Mac doesn't support @Q quoting.
# The consequences aren't that serious, unless there are odd arrangements of spaces.
if /usr/bin/env bash -c 'x=1;echo "${x@Q}"' >/dev/null 2>&1; then
Q() { echo "${@@Q}"; }
else
Q() { echo "$@"; }
fi
if [ -n "$CCC" ] && [ -z "$CXX" ]; then
export CXX="$CCC"
fi
opt_build=0
build_64=0
clean=0
rebuild_gyp=0
rebuild_nspr=0
build_nspr_tests=0
run_nspr_tests=0
exit_after_nspr=0
target=Debug
verbose=0
fuzz=0
fuzz_tls=0
fuzz_oss=0
no_local_nspr=0
sslkeylogfile=1
gyp_params=(--depth="$cwd" --generator-output=".")
ninja_params=()
# Assume that MSVC is wanted if this is running on windows.
platform=$(uname -s)
if [ "${platform%-*}" = "MINGW32_NT" -o "${platform%-*}" = "MINGW64_NT" ]; then
msvc=1
fi
# Parse command line arguments.
all_args=("$@")
while [ $# -gt 0 ]; do
case "$1" in
--rebuild)
if [[ ! -e "$argsfile" ]]; then
echo "Unable to rebuild" 1>&2
exit 2
fi
IFS=$'\r\n' GLOBIGNORE='*' command eval 'previous_args=($(<"$argsfile"))'
exec /usr/bin/env bash -c "$(Q "$0")"' "$@"' "$0" "${previous_args[@]}"
;;
-c) clean=1 ;;
-cc) clean_only=1 ;;
-v) ninja_params+=(-v); verbose=1 ;;
-j) ninja_params+=(-j "$2"); shift ;;
--gyp|-g) rebuild_gyp=1 ;;
--opt|-o) opt_build=1 ;;
-m32|--m32) target_arch=ia32; echo 'Warning: use -t instead of -m32' 1>&2 ;;
-t|--target) target_arch="$2"; shift ;;
--target=*) target_arch="${1#*=}" ;;
--clang) export CC=clang; export CCC=clang++; export CXX=clang++; msvc=0 ;;
--gcc) export CC=gcc; export CCC=g++; export CXX=g++; msvc=0 ;;
--msvc) msvc=1 ;;
--scan-build) enable_scanbuild ;;
--scan-build=?*) enable_scanbuild "${1#*=}" ;;
--disable-tests) gyp_params+=(-Ddisable_tests=1) ;;
--pprof) gyp_params+=(-Duse_pprof=1) ;;
--asan) enable_sanitizer asan ;;
--msan) enable_sanitizer msan ;;
--tsan) enable_sanitizer tsan ;;
--sourcecov) enable_sourcecov ;;
--ubsan) enable_ubsan ;;
--ubsan=?*) enable_ubsan "${1#*=}" ;;
--fuzz) fuzz=1 ;;
--fuzz=oss) fuzz=1; fuzz_oss=1 ;;
--fuzz=tls) fuzz=1; fuzz_tls=1 ;;
--sancov) enable_sancov; gyp_params+=(-Dcoverage=1) ;;
--sancov=?*) enable_sancov "${1#*=}"; gyp_params+=(-Dcoverage=1) ;;
--emit-llvm) gyp_params+=(-Demit_llvm=1 -Dsign_libs=0) ;;
--no-zdefs) gyp_params+=(-Dno_zdefs=1) ;;
--static) gyp_params+=(-Dstatic_libs=1) ;;
--ct-verif) gyp_params+=(-Dct_verif=1) ;;
--nspr) nspr_clean; rebuild_nspr=1 ;;
--nspr-test-build) build_nspr_tests=1 ;;
--nspr-test-run) run_nspr_tests=1 ;;
--nspr-only) exit_after_nspr=1 ;;
--with-nspr=?*) set_nspr_path "${1#*=}"; no_local_nspr=1 ;;
--system-nspr) set_nspr_path "/usr/include/nspr/:"; no_local_nspr=1 ;;
--system-sqlite) gyp_params+=(-Duse_system_sqlite=1) ;;
--enable-fips) gyp_params+=(-Ddisable_fips=0) ;;
--fips-module-id) gyp_params+=(-Dfips_module_id="$2"); shift ;;
--fips-module-id=?*) gyp_params+=(-Dfips_module_id="${1#*=}") ;;
--enable-libpkix) gyp_params+=(-Ddisable_libpkix=0) ;;
--mozpkix-only) gyp_params+=(-Dmozpkix_only=1 -Ddisable_tests=1 -Dsign_libs=0) ;;
--disable-keylog) sslkeylogfile=0 ;;
--enable-legacy-db) gyp_params+=(-Ddisable_dbm=0) ;;
--mozilla-central) gyp_params+=(-Dmozilla_central=1) ;;
--python) python="$2"; shift ;;
--python=*) python="${1#*=}" ;;
-D*) gyp_params+=("$1") ;;
*) show_help; exit 2 ;;
esac
shift
done
if [ "$opt_build" = 1 ] && [ "$fuzz" = 1 ]; then
echo "Specifiying --opt with --fuzz is not supported." >&2
exit 1
fi
if [ -n "${sanitizers["tsan"]:-}" ] && ([ "$CC" != "clang" ] ||
[ "$CCC" != "clang++" ] ||
[ "$CXX" != "clang++" ]); then
echo "Specifying --tsan requires clang." >&2
exit 1
fi
if [ -n "$python" ]; then
gyp_params+=(-Dpython="$python")
fi
if [ -z "$target_arch" ]; then
# Assume that the target architecture is the same as the host by default.
host_arch=$(${python:-python} "$cwd/coreconf/detect_host_arch.py")
target_arch=$host_arch
fi
# Set the target architecture and build type.
gyp_params+=(-Dtarget_arch="$target_arch")
if [ "$opt_build" = 1 ]; then
target=Release
else
target=Debug
fi
gyp_params+=(-Denable_sslkeylogfile="$sslkeylogfile")
# Do special setup.
if [ "$fuzz" = 1 ]; then
source "$cwd/coreconf/fuzz.sh"
fi
nspr_set_flags $sanitizer_flags
if [ ! -z "$sanitizer_flags" ]; then
gyp_params+=(-Dsanitizer_flags="$sanitizer_flags")
fi
if [ "$msvc" = 1 ]; then
source "$cwd/coreconf/msvc.sh"
fi
# -c = clean first
if [ "$clean" = 1 -o "$clean_only" = 1 ]; then
nspr_clean
rm -rf "$cwd/out"
rm -rf "$dist_dir"
# -cc = only clean, don't build
if [ "$clean_only" = 1 ]; then
echo "Cleaned"
exit 0
fi
fi
# Setup build paths.
target_dir="$cwd/out/$target"
mkdir -p "$target_dir"
dist_dir=$(mkdir -p "$dist_dir"; cd "$dist_dir"; pwd -P)
gyp_params+=(-Dnss_dist_dir="$dist_dir")
# 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="$(Q "$CC")" >"$newconf"
echo CCC="$(Q "$CCC")" >>"$newconf"
echo CXX="$(Q "$CXX")" >>"$newconf"
echo target_arch="$(Q "$target_arch")" >>"$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"
# Now check what needs to be rebuilt.
# 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/$target" ]; then
rebuild_nspr=1
fi
if check_config "$nspr_config" \
nspr_cflags="$(Q "$nspr_cflags")" \
nspr_cxxflags="$(Q "$nspr_cxxflags")" \
nspr_ldflags="$(Q "$nspr_ldflags")"; then
rebuild_nspr=1
fi
if check_config "$gyp_config" "$(Q "${gyp_params[@]}")"; then
rebuild_gyp=1
fi
# Save the chosen target.
echo "$target" > "$dist_dir/latest"
for i in "${all_args[@]}"; do echo "$i"; done > "$argsfile"
# Build.
# NSPR.
if [[ "$rebuild_nspr" = 1 && "$no_local_nspr" = 0 ]]; then
nspr_clean
nspr_build
mv -f "$nspr_config.new" "$nspr_config"
fi
if [ "$exit_after_nspr" = 1 ]; then
exit 0
fi
# gyp.
if [ "$rebuild_gyp" = 1 ]; then
if ! hash "$GYP" 2> /dev/null; then
exit 3
fi
# These extra arguments aren't used in determining whether to rebuild.
obj_dir="$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" "$gyp_config"
fi
# ninja.
if hash ninja-build 2>/dev/null; then
ninja=ninja-build
elif hash ninja 2>/dev/null; then
ninja=ninja
else
exit 3
fi
run_scanbuild "$ninja" -C "$target_dir" "${ninja_params[@]}"