1 #!/bin/bash
2 # Copyright 2020 The Go Authors. All rights reserved.
3 # Use of this source code is governed by a BSD-style
4 # license that can be found in the LICENSE file.
5
6 # Do not run directly; run build.sh, which runs this in Docker.
7 # This script builds boringssl, which has already been unpacked in /boring/boringssl.
8
9 set -e
10 id
11 date
12 cd /boring
13
14 # Go requires -fPIC for linux/amd64 cgo builds.
15 # Setting -fPIC only affects the compilation of the non-module code in libcrypto.a,
16 # because the FIPS module itself is already built with -fPIC.
17 echo '#!/bin/bash
18 exec clang-'$ClangV' -DGOBORING -fPIC "$@"
19 ' >/usr/local/bin/clang
20 echo '#!/bin/bash
21 exec clang++-'$ClangV' -DGOBORING -fPIC "$@"
22 ' >/usr/local/bin/clang++
23 chmod +x /usr/local/bin/clang /usr/local/bin/clang++
24
25 # The BoringSSL tests use Go, and cgo would look for gcc.
26 export CGO_ENABLED=0
27
28 # Modify the support code crypto/mem.c (outside the FIPS module)
29 # to not try to use weak symbols, because they don't work with some
30 # Go toolchain / clang toolchain combinations.
31 perl -p -i -e 's/defined.*ELF.*defined.*GNUC.*/$0 \&\& !defined(GOBORING)/' boringssl/crypto/mem.c
32
33 # Verbatim instructions from BoringCrypto build docs.
34 printf "set(CMAKE_C_COMPILER \"clang\")\nset(CMAKE_CXX_COMPILER \"clang++\")\n" >${HOME}/toolchain
35 cd boringssl
36 mkdir build && cd build && cmake -GNinja -DCMAKE_TOOLCHAIN_FILE=${HOME}/toolchain -DFIPS=1 -DCMAKE_BUILD_TYPE=Release ..
37 ninja
38 ./crypto/crypto_test
39 cd ../..
40
41 if [ "$(./boringssl/build/tool/bssl isfips)" != 1 ]; then
42 echo "NOT FIPS"
43 exit 2
44 fi
45
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