mirror of
https://github.com/wesnoth/wesnoth
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70 lines
2.9 KiB
Python
70 lines
2.9 KiB
Python
# vi: syntax=python:et:ts=4
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from config_check_utils import *
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from os import environ
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from os.path import join
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import SCons.Conftest
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# Based on SCons.SConf.CheckLibWithHeader()
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def CheckLibsWithSystemHeader(context, libs, header, language):
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res = SCons.Conftest.CheckLib(context, libs,
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header = "#include <%s>" % header, language = language)
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context.did_show_result = 1
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return not res
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def CheckLua(context, require_version):
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backup = backup_env(context.env, ["CPPPATH", "LIBPATH", "LIBS"])
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version = require_version.split(".")
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major_version = version[0]
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minor_version = version[1]
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include_subdirs_raw = [
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"",
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"lua" + major_version + minor_version,
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"lua" + major_version + "." + minor_version,
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"lua-" + major_version + "." + minor_version,
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]
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include_subdirs = []
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for include_subdir_raw in include_subdirs_raw:
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include_subdirs[len(include_subdirs):] = [include_subdir_raw,
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join("include", include_subdir_raw)]
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# Add new names here when found in distributions.
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# Debian since lua5.2 5.2.3-2 uses luaX.Y-c++:
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# https://salsa.debian.org/lua-team/lua5.2/-/commit/fa2dc77c
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# Arch since lua 5.4.4-4 uses lua++-X.Y:
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# https://gitlab.archlinux.org/archlinux/packaging/packages/lua/-/commit/4e97e19d
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libs = [
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"lua" + major_version + minor_version + "-c++",
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"lua" + major_version + "." + minor_version + "-c++",
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"lua-" + major_version + "." + minor_version + "-c++",
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"lua." + major_version + "." + minor_version + "-c++",
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"lua++" + major_version + minor_version,
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"lua++" + major_version + "." + minor_version,
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"lua++-" + major_version + "." + minor_version,
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"lua++." + major_version + "." + minor_version,
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]
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luadir = context.env.get("luadir", environ.get("LUA_DIR"))
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if luadir:
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for include_subdir in include_subdirs:
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includes = find_include([luadir], "lua.h",
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include_subdir=include_subdir, default_prefixes=False)
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for prefix, include in includes:
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context.env.Append(CPPPATH = [join(prefix, include_subdir)])
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if CheckLibsWithSystemHeader(context, libs, "lua.h", "CXX"):
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return True
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restore_env(context.env, backup)
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return False
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for include_subdir in include_subdirs:
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includes = find_include([context.env["prefix"]], "lua.h",
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include_subdir=include_subdir, default_prefixes=True)
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for prefix, include in includes:
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context.env.Append(CPPPATH = [join(prefix, include_subdir)])
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if CheckLibsWithSystemHeader(context, libs, "lua.h", "CXX"):
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return True
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restore_env(context.env, backup)
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return False
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config_checks = { "CheckLua" : CheckLua }
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