urbit/meson.build

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Meson
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project('libent', 'c', 'cpp',
default_options : ['c_std=c99', 'cpp_std=c++11'],
version : '0.0.1',
license : 'MIT')
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conf_data = configuration_data()
compiler = meson.get_compiler('c')
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code = '''#include <unistd.h>
#include <sys/random.h>
int main() { return getentropy((void*)0, 0); }
'''
have_getentropy = compiler.links(code,name : 'system getentropy')
conf_data.set('USE_GETENTROPY', have_getentropy)
if not have_getentropy
code = '''#include <fcntl.h>
int main() { return -1 != open("/dev/urandom", O_RDONLY) ? 0 : 1; }
'''
use_urandom = compiler.run(code, name : 'open /dev/urandom')
conf_data.set('USE_URANDOM', use_urandom.returncode() == 0)
endif
configure_file(output : 'config.h',
configuration : conf_data)
inc = include_directories('.', 'include')
install_headers('include/ent.h')
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ent_sources = ['src/ent.c']
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libent = shared_library('ent',
ent_sources,
include_directories : inc,
install : true)
pkg_mod = import('pkgconfig')
pkg_mod.generate(libraries : libent,
version : '0.0',
name : 'libent',
filebase : 'ent',
description : 'A library to get entropy.')