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# file : libssl/buildfile
# copyright : Copyright (c) 2018-2019 Code Synthesis Ltd
# license : OpenSSL and SSLeay Licenses; see accompanying LICENSE file
import int_libs = libcrypto%lib{crypto}
lib{ssl}: {h c}{**} def{libssl} file{libssl.map} $int_libs
tclass = $c.target.class
tsys = $c.target.system
# Build options.
#
# Note that libssl doesn't use zlib directly. However, it may use
# functionality that libcrypto additionally provides when zlib is enabled.
#
# Also note that upstream also passes -DNDEBUG. Let's omit it for now to
# enable assertions to gain some extra confidence that we didn't break
# anything while packaging.
#
c.poptions += -DZLIB
# Drop -DOPENSSL_PIC, -D{L|B}_ENDIAN, -DOPENSSLDIR and -DENGINESDIR as they
# are not used in the libssl source code nor in the libcrypto public headers.
#
# Note that the upstream package uses -pthread compiler/linker option on
# Linux and FreeBSD. The option is currently unsupported by build2, so we use
# -D_REENTRANT and -lpthread preprocessor/linker options instead.
#
# Also note that on FreeBSD and Mac OS the upstream package also passes
# -D_REENTRANT.
#
if ($tclass != 'windows')
c.poptions += -D_REENTRANT
else
c.poptions += -DWIN32_LEAN_AND_MEAN -DUNICODE -D_UNICODE
switch $tclass, $tsys
{
case 'linux'
c.poptions += -DOPENSSL_USE_NODELETE
case 'bsd'
c.poptions += -D_THREAD_SAFE
case 'windows', 'mingw32'
c.poptions += -D_MT
case 'windows'
{
# Note that upstream also passes -DOPENSSL_USE_APPLINK if compiled with
# VC. We drop this option (see libcrypto/buildfile) for details.
#
c.poptions += -DOPENSSL_SYS_WIN32 -D_CRT_SECURE_NO_DEPRECATE \
-D_WINSOCK_DEPRECATED_NO_WARNINGS
}
}
switch $c.class
{
case 'gcc'
{
if ($c.target.cpu == 'i686')
c.coptions += -fomit-frame-pointer
# Disable warnings that pop up with -Wall -Wextra. Upstream doesn't seem
# to care about these and it is not easy to disable specific warnings in a
# way that works across compilers/versions (some -Wno-* options are only
# recognized in newer versions). There are still some warnings left that
# appear for certain platforms/compilers. We pass them through but disable
# treating them as errors.
#
c.coptions += -Wno-all -Wno-extra -Wno-error
}
case 'msvc'
{
c.coptions += /Gs0 /GF /Gy
# Disable warnings that pop up with /W3.
#
c.coptions += /wd4090 /wd4133 /wd4244 /wd4267
}
}
c.poptions =+ "-I$src_base"
switch $tclass, $tsys
{
case 'linux'
{
c.loptions += -Wl,-znodelete -Wl,-Bsymbolic \
"-Wl,--version-script=$src_base/libssl.map"
c.libs += -ldl -lpthread
}
case 'bsd'
{
c.loptions += -Wl,-Bsymbolic \
"-Wl,--version-script=$src_base/libssl.map"
c.libs += -lpthread
}
case 'windows', 'mingw32'
{
# Note that for MinGW GCC the upstream package also passes -static-libgcc.
# We normally don't link GCC run-time statically when packaging other C
# libraries, so let's not do that here either and see how it goes.
#
c.loptions += -Wl,--enable-auto-image-base
c.libs += -lws2_32 -lgdi32 -lcrypt32
}
case 'windows'
{
c.libs += ws2_32.lib gdi32.lib crypt32.lib advapi32.lib
}
}
# Export options.
#
lib{ssl}:
{
cc.export.poptions = "-I$src_base"
cc.export.libs = $int_libs
}
# See bootstrap.build for details.
#
if $version.pre_release
lib{ssl}: bin.lib.version = @"-$version.project_id"
else
lib{ssl}: bin.lib.version = @"-$abi_version"
# Install headers from the upstream openssl/ subdirectory only.
#
h{*}: install = false
openssl/h{*}: install = include/openssl/
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