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# file : libexpat/buildfile
# license : MIT; see accompanying COPYING file
# xmltok_{impl,nc}.c files are included into xmltok.c, so exclude them from
# the compilation.
#
lib{expat}: h{*} c{* -xmltok_impl -xmltok_ns}
lib{expat}: c{xmltok_impl xmltok_ns}: include = false
tclass = $c.target.class
windows = ($tclass == 'windows')
# Symbol exporting on Windows is done via the .def file.
#
libs{expat}: def{libexpat}: include = $windows
def{libexpat}: file{libexpat.def.orig}
{{
# Remove the 'LIBRARY' line from the .def file to make it acceptable for the
# MinGW linker.
#
sed -e 's/^\s*LIBRARY\s*$//' $path($<) >$path($>)
}}
# Build options.
#
c.poptions += -DHAVE_EXPAT_CONFIG_H
c.poptions =+ "-I$src_base"
if ($c.class == 'gcc')
{
# Note that it's unlikely that the code is strict aliasing-safe, given that
# the -fno-strict-aliasing option is added in the later library versions.
# Let's also add this option for good measure.
#
c.coptions += -fexceptions -fno-strict-aliasing
# 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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