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# file : libexpat/buildfile
# license : MIT; see accompanying COPYING file
lib{expat}: libul{expat}
# xmltok_{impl,nc}.c files are included into xmltok.c, so exclude them from
# the compilation.
#
{libul libue}{expat}: h{*} c{* -xmltok_impl -xmltok_ns}
{libul libue}{expat}: c{xmltok_impl xmltok_ns}: include = false
tclass = $c.target.class
msvc_runtime = ($c.target.system == 'win32-msvc')
# Symbol exporting for MSVC and Clang targeting MSVC is done via the .def
# file.
#
# Note that for MinGW it's done the same way as for POSIX via the visibility
# function attribute.
#
libs{expat}: def{libexpat}: include = $msvc_runtime
def{libexpat}: in{libexpat}
{
in.symbol = '@'
# @@ TMP Use the in.substitutions variable instead when build2 0.16.0 is
# released (see README-DEV for details).
#
in.substitution = lax
EXPAT_COMMENT_ATTR_INFO = ';'
EXPAT_COMMENT_DTD = ' '
}
# Build options.
#
c.poptions += -DHAVE_EXPAT_CONFIG_H -DXML_BUILDING_EXPAT
if! $msvc_runtime
c.poptions += -DXML_ENABLE_VISIBILITY=1
c.poptions =+ "-I$src_base"
if ($c.class == 'gcc')
{
c.coptions += -fexceptions -fno-strict-aliasing
if! $msvc_runtime
c.coptions += -fvisibility=hidden
# Disable warnings that pop up with -Wall -Wextra.
#
# Note that -Wno-implicit-fallthrough is only supported starting from GCC 7
# and Clang 3.9. However, we don't check for the compiler version since the
# earlier compiler versions do not complain about unknown -Wno-* options,
# unless some other diagnostics is issued.
#
# Also note that these warnings can be build2-specific due to the
# intermediate translation unit pre-processing phase, which wipes the `fall
# through` comments from the macro definitions.
#
c.coptions += -Wno-implicit-fallthrough
}
switch $tclass
{
case 'linux' | 'bsd'
{
# Make sure all symbols are resolvable.
#
c.loptions += -Wl,--no-undefined
}
}
# Export options.
#
lib{expat}: cc.export.poptions = "-I$src_base"
liba{expat}: cc.export.poptions += -DXML_STATIC
# See bootstrap.build for details.
#
if $version.pre_release
lib{expat}: bin.lib.version = @"-$version.project_id"
else
lib{expat}: bin.lib.version = @"-$abi_version_major" linux@"$abi_version"
# Install the bare minimum of headers (note: not recreating subdirectories).
#
h{*}: install = false
for h: expat expat_external expat_config
h{$h}@./: install = include/
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