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Compiling with BoringSSL on Ubuntu fails with undefined reference to `__gxx_personality_v0' (minimal reproducible example included) #3465

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Compiling with BoringSSL on Ubuntu fails with undefined reference to `__gxx_personality_v0' (minimal reproducible example included)#3465
@maddouri

Description

@maddouri
maddouri
opened on Sep 17, 2025

Compiling libwebsockets on Ubuntu 24.04 x64 with BoringSSL and LWS_WITH_SECURE_STREAMS_CPP=OFF fails with the following errors:

...
[207/316] Linking C executable bin/lws-minimal-ss-hello_world
FAILED: bin/lws-minimal-ss-hello_world
: && /usr/bin/cc -Wno-deprecated-declarations -Wno-deprecated -Wall -Wextra -Wno-unused-parameter -Wconversion -Wsign-compare -Wstrict-aliasing -fvisibility=hidden -Wundef  -Wuninitialized -Wtype-limits -Wignored-qualifiers   -Werror -pthread -g  minimal-examples/client/hello_world/CMakeFiles/lws-minimal-ss-hello_world.dir/main.c.o minimal-examples/client/hello_world/CMakeFiles/lws-minimal-ss-hello_world.dir/hello_world-ss.c.o -o bin/lws-minimal-ss-hello_world  -lpthread  -lm  -ldl  lib/libwebsockets.a  -lpthread  -lm  -ldl  /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a  /path/to/my/workdir/boringssl-install-Debug/lib/libcrypto.a  -lpthread && :
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_asn1.cc.o):(.data.rel.local.DW.ref.__gxx_personality_v0[DW.ref.__gxx_personality_v0]+0x0): undefined reference to `__gxx_personality_v0'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_cert.cc.o): in function `std::unique_ptr<ssl_credential_st, bssl::internal::Deleter>* std::__do_uninit_copy<std::move_iterator<std::unique_ptr<ssl_credential_st, bssl::internal::Deleter>*>, std::unique_ptr<ssl_credential_st, bssl::internal::Deleter>*>(std::move_iterator<std::unique_ptr<ssl_credential_st, bssl::internal::Deleter>*>, std::move_iterator<std::unique_ptr<ssl_credential_st, bssl::internal::Deleter>*>, std::unique_ptr<ssl_credential_st, bssl::internal::Deleter>*)':
/usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrI17ssl_credential_stN4bssl8internal7DeleterEEES7_ET0_T_SA_S9_[_ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrI17ssl_credential_stN4bssl8internal7DeleterEEES7_ET0_T_SA_S9_]+0x7f): undefined reference to `__cxa_begin_catch'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:126:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrI17ssl_credential_stN4bssl8internal7DeleterEEES7_ET0_T_SA_S9_[_ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrI17ssl_credential_stN4bssl8internal7DeleterEEES7_ET0_T_SA_S9_]+0x97): undefined reference to `__cxa_rethrow'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrI17ssl_credential_stN4bssl8internal7DeleterEEES7_ET0_T_SA_S9_[_ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrI17ssl_credential_stN4bssl8internal7DeleterEEES7_ET0_T_SA_S9_]+0xa3): undefined reference to `__cxa_end_catch'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_credential.cc.o): in function `std::exception::exception()':
/usr/include/c++/13/bits/exception.h:62:(.text._ZNSt9exceptionC2Ev[_ZNSt9exceptionC5Ev]+0xf): undefined reference to `vtable for std::exception'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_credential.cc.o): in function `std::bad_optional_access::~bad_optional_access()':
/usr/include/c++/13/optional:102:(.text._ZNSt19bad_optional_accessD2Ev[_ZNSt19bad_optional_accessD5Ev]+0x2a): undefined reference to `std::exception::~exception()'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_credential.cc.o): in function `std::bad_optional_access::~bad_optional_access()':
/usr/include/c++/13/optional:102:(.text._ZNSt19bad_optional_accessD0Ev[_ZNSt19bad_optional_accessD5Ev]+0x29): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_credential.cc.o): in function `std::__throw_bad_optional_access()':
/usr/include/c++/13/optional:111:(.text._ZSt27__throw_bad_optional_accessv[_ZSt27__throw_bad_optional_accessv]+0x13): undefined reference to `__cxa_allocate_exception'
/usr/bin/ld: /usr/include/c++/13/optional:111:(.text._ZSt27__throw_bad_optional_accessv[_ZSt27__throw_bad_optional_accessv]+0x41): undefined reference to `__cxa_throw'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_credential.cc.o):(.data.rel.ro._ZTISt19bad_optional_access[_ZTISt19bad_optional_access]+0x0): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_credential.cc.o):(.data.rel.ro._ZTISt19bad_optional_access[_ZTISt19bad_optional_access]+0x10): undefined reference to `typeinfo for std::exception'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o): in function `bssl::(anonymous namespace)::ECKeyShare::~ECKeyShare()':
/path/to/my/workdir/boringssl-src/ssl/ssl_key_share.cc:42:(.text+0x3057): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o): in function `bssl::(anonymous namespace)::X25519KeyShare::~X25519KeyShare()':
/path/to/my/workdir/boringssl-src/ssl/ssl_key_share.cc:139:(.text+0x313d): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o): in function `bssl::(anonymous namespace)::X25519Kyber768KeyShare::~X25519Kyber768KeyShare()':
/path/to/my/workdir/boringssl-src/ssl/ssl_key_share.cc:196:(.text+0x3223): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o): in function `bssl::(anonymous namespace)::X25519MLKEM768KeyShare::~X25519MLKEM768KeyShare()':
/path/to/my/workdir/boringssl-src/ssl/ssl_key_share.cc:285:(.text+0x3309): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o): in function `bssl::(anonymous namespace)::MLKEM1024KeyShare::~MLKEM1024KeyShare()':
/path/to/my/workdir/boringssl-src/ssl/ssl_key_share.cc:378:(.text+0x33ef): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):/path/to/my/workdir/boringssl-src/ssl/internal.h:906: more undefined references to `operator delete(void*, unsigned long)' follow
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):(.data.rel.ro+0x0): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):(.data.rel.ro+0x18): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):(.data.rel.ro+0x30): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):(.data.rel.ro+0x48): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):(.data.rel.ro+0x60): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_key_share.cc.o):(.data.rel.ro._ZTIN4bssl11SSLKeyShareE[_ZTIN4bssl11SSLKeyShareE]+0x0): undefined reference to `vtable for __cxxabiv1::__class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_lib.cc.o): in function `bssl::ALPSConfig* std::__do_uninit_copy<std::move_iterator<bssl::ALPSConfig*>, bssl::ALPSConfig*>(std::move_iterator<bssl::ALPSConfig*>, std::move_iterator<bssl::ALPSConfig*>, bssl::ALPSConfig*)':
/usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl10ALPSConfigEES3_ET0_T_S6_S5_[_ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl10ALPSConfigEES3_ET0_T_S6_S5_]+0x7f): undefined reference to `__cxa_begin_catch'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:126:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl10ALPSConfigEES3_ET0_T_S6_S5_[_ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl10ALPSConfigEES3_ET0_T_S6_S5_]+0x97): undefined reference to `__cxa_rethrow'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl10ALPSConfigEES3_ET0_T_S6_S5_[_ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl10ALPSConfigEES3_ET0_T_S6_S5_]+0xa3): undefined reference to `__cxa_end_catch'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(ssl_lib.cc.o): in function `bssl::CertCompressionAlg* std::__do_uninit_copy<std::move_iterator<bssl::CertCompressionAlg*>, bssl::CertCompressionAlg*>(std::move_iterator<bssl::CertCompressionAlg*>, std::move_iterator<bssl::CertCompressionAlg*>, bssl::CertCompressionAlg*)':
/usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl18CertCompressionAlgEES3_ET0_T_S6_S5_[_ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl18CertCompressionAlgEES3_ET0_T_S6_S5_]+0x7f): undefined reference to `__cxa_begin_catch'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:126:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl18CertCompressionAlgEES3_ET0_T_S6_S5_[_ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl18CertCompressionAlgEES3_ET0_T_S6_S5_]+0x97): undefined reference to `__cxa_rethrow'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl18CertCompressionAlgEES3_ET0_T_S6_S5_[_ZSt16__do_uninit_copyISt13move_iteratorIPN4bssl18CertCompressionAlgEES3_ET0_T_S6_S5_]+0xa3): undefined reference to `__cxa_end_catch'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o): in function `bssl::(anonymous namespace)::NullRecordNumberEncrypter::~NullRecordNumberEncrypter()':
/path/to/my/workdir/boringssl-src/ssl/tls13_enc.cc:299:(.text+0x44f7): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o): in function `bssl::(anonymous namespace)::AES128RecordNumberEncrypter::~AES128RecordNumberEncrypter()':
/path/to/my/workdir/boringssl-src/ssl/tls13_enc.cc:256:(.text+0x45dd): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o): in function `bssl::(anonymous namespace)::AES256RecordNumberEncrypter::~AES256RecordNumberEncrypter()':
/path/to/my/workdir/boringssl-src/ssl/tls13_enc.cc:261:(.text+0x46c3): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o): in function `bssl::(anonymous namespace)::ChaChaRecordNumberEncrypter::~ChaChaRecordNumberEncrypter()':
/path/to/my/workdir/boringssl-src/ssl/tls13_enc.cc:266:(.text+0x47a9): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o): in function `bssl::RecordNumberEncrypter::~RecordNumberEncrypter()':
/path/to/my/workdir/boringssl-src/ssl/internal.h:726:(.text._ZN4bssl21RecordNumberEncrypterD0Ev[_ZN4bssl21RecordNumberEncrypterD5Ev]+0x29): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o):(.data.rel.ro+0x38): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o):(.data.rel.ro+0x50): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o):(.data.rel.ro+0x68): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o):(.data.rel.ro+0x80): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o):(.data.rel.ro+0x98): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(tls13_enc.cc.o):(.data.rel.ro._ZTIN4bssl21RecordNumberEncrypterE[_ZTIN4bssl21RecordNumberEncrypterE]+0x0): undefined reference to `vtable for __cxxabiv1::__class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(encrypted_client_hello.cc.o): in function `std::unique_ptr<bssl::ECHServerConfig, bssl::internal::Deleter>* std::__do_uninit_copy<std::move_iterator<std::unique_ptr<bssl::ECHServerConfig, bssl::internal::Deleter>*>, std::unique_ptr<bssl::ECHServerConfig, bssl::internal::Deleter>*>(std::move_iterator<std::unique_ptr<bssl::ECHServerConfig, bssl::internal::Deleter>*>, std::move_iterator<std::unique_ptr<bssl::ECHServerConfig, bssl::internal::Deleter>*>, std::unique_ptr<bssl::ECHServerConfig, bssl::internal::Deleter>*)':
/usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrIN4bssl15ECHServerConfigENS2_8internal7DeleterEEES7_ET0_T_SA_S9_[_ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrIN4bssl15ECHServerConfigENS2_8internal7DeleterEEES7_ET0_T_SA_S9_]+0x7f): undefined reference to `__cxa_begin_catch'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:126:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrIN4bssl15ECHServerConfigENS2_8internal7DeleterEEES7_ET0_T_SA_S9_[_ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrIN4bssl15ECHServerConfigENS2_8internal7DeleterEEES7_ET0_T_SA_S9_]+0x97): undefined reference to `__cxa_rethrow'
/usr/bin/ld: /usr/include/c++/13/bits/stl_uninitialized.h:123:(.text._ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrIN4bssl15ECHServerConfigENS2_8internal7DeleterEEES7_ET0_T_SA_S9_[_ZSt16__do_uninit_copyISt13move_iteratorIPSt10unique_ptrIN4bssl15ECHServerConfigENS2_8internal7DeleterEEES7_ET0_T_SA_S9_]+0xa3): undefined reference to `__cxa_end_catch'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(s3_both.cc.o): in function `bssl::(anonymous namespace)::AesHwCipherScorer::~AesHwCipherScorer()':
/path/to/my/workdir/boringssl-src/ssl/s3_both.cc:569:(.text+0x264f): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(s3_both.cc.o): in function `bssl::(anonymous namespace)::CNsaCipherScorer::~CNsaCipherScorer()':
/path/to/my/workdir/boringssl-src/ssl/s3_both.cc:586:(.text+0x26ad): undefined reference to `operator delete(void*, unsigned long)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(s3_both.cc.o): in function `std::__sv_check(unsigned long, unsigned long, char const*)':
/usr/include/c++/13/string_view:73:(.text._ZSt10__sv_checkmmPKc[_ZSt10__sv_checkmmPKc]+0x41): undefined reference to `std::__throw_out_of_range_fmt(char const*, ...)'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(s3_both.cc.o):(.data.rel.ro+0x28): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(s3_both.cc.o):(.data.rel.ro+0x40): undefined reference to `vtable for __cxxabiv1::__si_class_type_info'
/usr/bin/ld: /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a(s3_both.cc.o):(.data.rel.ro+0x58): undefined reference to `vtable for __cxxabiv1::__class_type_info'
collect2: error: ld returned 1 exit status
[208/316] Linking C executable bin/lws-minimal-ss-hello_world-policy
FAILED: bin/lws-minimal-ss-hello_world-policy
: && /usr/bin/cc -Wno-deprecated-declarations -Wno-deprecated -Wall -Wextra -Wno-unused-parameter -Wconversion -Wsign-compare -Wstrict-aliasing -fvisibility=hidden -Wundef  -Wuninitialized -Wtype-limits -Wignored-qualifiers   -Werror -pthread -g  minimal-examples/client/hello_world-policy/CMakeFiles/lws-minimal-ss-hello_world-policy.dir/main.c.o minimal-examples/client/hello_world-policy/CMakeFiles/lws-minimal-ss-hello_world-policy.dir/hello_world-ss.c.o -o bin/lws-minimal-ss-hello_world-policy  -lpthread  -lm  -ldl  lib/libwebsockets.a  -lpthread  -lm  -ldl  /path/to/my/workdir/boringssl-install-Debug/lib/libssl.a  /path/to/my/workdir/boringssl-install-Debug/lib/libcrypto.a  -lpthread && :
...

The log as well as a few online sources seem to suggest that linking with -lstdc++ is missing, which is probably expected given that gcc (not g++) is being used.

I suppose that most, if not all, of that C++ code it is coming from BoringSSL.

Regarding the use of a C compiler instead of a C++ compiler, I think that it might be related to a combination of the following:

  • The use of enable_language(CXX) in the root CMakeLists.txt is dependent on LWS_WITH_SECURE_STREAMS_CPP being ON
  • The use of e.g. project(lws-minimal-ss-hello_world C) insted of project(lws-minimal-ss-hello_world) or project(lws-minimal-ss-hello_world C CXX) etc. in the CMakeLists.txt of the examples that don't compile.

Interestingly, if we set LWS_WITH_SECURE_STREAMS_CPP=ON then everything compiles without any problem.
Compilation seems to fail only if LWS_WITH_SECURE_STREAMS_CPP=OFF.

Could you please have a look into fixing this issue?

For reference:

  1. My setup is the following:

    • libwebsockets @ main (0835bdf3cf29f6afea24d3c9faac7b3828bc895f)
    • BoringSSL @ 0.20250818.0
    • GCC 13.3.0
    • Ubuntu 24.04 x64
    • CMake 3.28.3
    • Ninja 1.11.1
    • PowerShell 7.5.3 for Linux

  2. I use the following PowerShell script on Ubuntu 24.04 to build everything (notably, it shows the exact list of CMake variables that I set for libwebsockets and BoringSSL):

    # build_lws_with_bssl_ubuntu.ps1

param (
    [Parameter(Mandatory = $true)]
    [string] $WorkDir,
    [string] $BuildType  = "Debug",
    [string] $GoExe      = "/path/to/go-1.25.1/bin/go",
    [string] $OpensslExe = "openssl",
    [string] $CMakeExe   = "cmake",
    [string] $GitExe     = "git",
    [string] $LwsRev     = "main",
    [string] $BsslRev    = "0.20250818.0",
    [switch] $BuildTests,
    [switch] $ReuseWorkDir
)

$ErrorActionPreference = "Stop"

if ($PSVersionTable.PSVersion -lt [version]"7.5") {
    throw "This script requires PowerShell >= v7.5. Remove this test if you want to try on PowerShell 5"
}

if ((Test-Path "$WorkDir") -and (-not $ReuseWorkDir)) {
    throw "WorkDir [$WorkDir] already exists. Either add [-ReuseWorkDir], remove the existing WorkDir, remove this check or specify a new WorkDir"
}

$CMakeBuildTests = if ($BuildTests) {"ON"} else {"OFF"}

# Work Directory ###############################################################################

if (-not (Test-Path "$WorkDir")) {
    New-Item -ItemType Directory -Path "$WorkDir"
}

$WorkDir = $WorkDir | Resolve-Path
Write-Host "WorkDir: $WorkDir"

# BoringSSL ####################################################################################

$bsslSrcDir = (Join-Path "$WorkDir" "boringssl-src")  -replace "\\","/"

& "$GitExe" clone --depth 1 "--revision=$BsslRev" "https://boringssl.googlesource.com/boringssl" "$bsslSrcDir"

$bsslBuildDir   = (Join-Path "$WorkDir" "boringssl-build-$BuildType")  -replace "\\","/"
$bsslInstallDir = (Join-Path "$WorkDir" "boringssl-install-$BuildType")  -replace "\\","/"

& "$CMakeExe" `
    "-GNinja" `
    "-S$bsslSrcDir" `
    "-B$bsslBuildDir" `
    "-DCMAKE_INSTALL_PREFIX=$bsslInstallDir" `
    "-DCMAKE_BUILD_TYPE=$BuildType" `
    "-DGO_EXECUTABLE=$GoExe" `
    "-DBUILD_TESTING=$CMakeBuildTests" `
    "-DBUILD_SHARED_LIBS=OFF" `
    "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"

& "$CMakeExe" --build "$bsslBuildDir" --config "$BuildType" --target "install" --parallel

# LWS ##########################################################################################

$lwsSrcDir = (Join-Path "$WorkDir" "libwebsockets-src")  -replace "\\","/"

& "$GitExe" clone --depth 1 "--revision=$LwsRev" "https://github.com/warmcat/libwebsockets.git" "$lwsSrcDir"

$lwsBuildDir   = (Join-Path "$WorkDir" "libwebsockets-build-$BuildType")  -replace "\\","/"
$lwsInstallDir = (Join-Path "$WorkDir" "libwebsockets-install-$BuildType")  -replace "\\","/"

& "$CMakeExe" `
    "-GNinja" `
    "-S$lwsSrcDir" `
    "-B$lwsBuildDir" `
    "-DCMAKE_INSTALL_PREFIX=$lwsInstallDir" `
    "-DCMAKE_BUILD_TYPE=$BuildType" `
    "-DOPENSSL_EXECUTABLE=$OpensslExe" `
    "-DLWS_WITH_SSL=ON" `
    "-DLWS_WITH_BORINGSSL=ON" `
    "-DOPENSSL_ROOT_DIR=$bsslInstallDir" `
    "-DOPENSSL_INCLUDE_DIRS=$bsslInstallDir/include" `
    "-DOPENSSL_LIBRARIES=$bsslInstallDir/lib/libssl.a;$bsslInstallDir/lib/libcrypto.a" `
    "-DLWS_WITH_MINIMAL_EXAMPLES=$CMakeBuildTests" `
    "-DBUILD_TESTING=$CMakeBuildTests" `
    "-DLWS_WITHOUT_CLIENT=OFF" `
    "-DLWS_WITHOUT_SERVER=OFF" `
    "-DLWS_WITH_HTTP2=ON" `
    "-DLWS_IPV6=ON" `
    "-DLWS_ROLE_WS=ON" `
    "-DLWS_ROLE_MQTT=OFF" `
    "-DLWS_WITH_SECURE_STREAMS=ON" `
    "-DLWS_WITH_SECURE_STREAMS_CPP=OFF" `
    "-DLWS_WITH_SHARED=OFF" `
    "-DLWS_WITH_STATIC=ON" `
    "-DLWS_STATIC_PIC=ON" `
    "-DCMAKE_POSITION_INDEPENDENT_CODE=ON"

& "$CMakeExe" --build "$lwsBuildDir" --config "$BuildType" --target "install" --parallel

  3. To reproduce the issue, you should make sure to have the prerequisite tools (see the params of the script) then run ./build_lws_with_bssl_ubuntu.ps1 someWorkDir to build without the samples or ./build_lws_with_bssl_ubuntu.ps1 someWorkDir -BuildTests to build the samples as well.

  4. When building without the samples (i.e. ./build_lws_with_bssl_ubuntu.ps1 someWorkDir), the following projects fail to compile:

    • bin/libwebsockets-test-lejp
    • bin/libwebsockets-test-client
    • bin/libwebsockets-test-server
    • bin/libwebsockets-test-server-extpoll

  5. When building without the samples (i.e. ./build_lws_with_bssl_ubuntu.ps1 someWorkDir -BuildTests), the following projects fail to compile:

    • bin/lws-api-test-dir
    • bin/lws-api-test-gunzip
    • bin/lws-api-test-jpeg
    • bin/lws-api-test-jrpc
    • bin/lws-api-test-lejp
    • bin/lws-api-test-lhp-dlo
    • bin/lws-api-test-lhp
    • bin/lws-api-test-lws_cache
    • bin/lws-api-test-lws_map
    • bin/lws-api-test-lws_smd
    • bin/lws-api-test-lws_tokenize
    • bin/lws-api-test-lwsac
    • bin/lws-api-test-secure-streams
    • bin/lws-api-test-ssjpeg
    • bin/lws-api-test-upng
    • bin/lws-minimal-http-client-attach
    • bin/lws-minimal-http-client-captive-portal
    • bin/lws-minimal-http-client-certinfo
    • bin/lws-minimal-http-client-custom-headers
    • bin/lws-minimal-http-client-h2-rxflow
    • bin/lws-minimal-http-client-hugeurl
    • bin/lws-minimal-http-client-multi
    • bin/lws-minimal-http-client-post
    • bin/lws-minimal-http-client
    • bin/lws-minimal-http-server-basicauth
    • bin/lws-minimal-http-server-custom-headers
    • bin/lws-minimal-http-server
    • bin/lws-minimal-ss-hello_world-policy
    • bin/lws-minimal-ss-hello_world
    • bin/lws-minimal-ss-http-post
    • bin/lws-minimal-ss-server-hello_world
    • bin/lws-minimal-ss-sink-hello_world
    • bin/lws-minimal-ss-ws-echo
    • bin/lws-minimal-ws-proxy

Thank you in advance 🙂

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