1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
# cmake/modules/lua.cmake
#
# Lua binding configuration
#
# Copyright (C) 2008 Werner Smekal
# Copyright (C) 2017-2018 Alan W. Irwin
#
# This file is part of PLplot.
#
# PLplot is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library General Public License as published
# by the Free Software Foundation; version 2 of the License.
#
# PLplot is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU Library General Public License
# along with the file PLplot; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# Module for determining Lua binding configuration options
# Options to enable Lua binding
if(DEFAULT_NO_BINDINGS)
option(ENABLE_lua "Enable Lua binding" OFF)
else(DEFAULT_NO_BINDINGS)
option(ENABLE_lua "Enable Lua binding" ON)
endif(DEFAULT_NO_BINDINGS)
if(ENABLE_lua AND NOT BUILD_SHARED_LIBS)
message(STATUS "WARNING: "
"Lua requires shared libraries. Disabling Lua binding")
set(ENABLE_lua OFF CACHE BOOL "Enable Lua binding" FORCE)
endif(ENABLE_lua AND NOT BUILD_SHARED_LIBS)
if(ENABLE_lua AND NOT SWIG_FOUND)
message(STATUS "WARNING: "
"swig not found. Disabling Lua binding")
set(ENABLE_lua OFF CACHE BOOL "Enable Lua binding" FORCE)
endif(ENABLE_lua AND NOT SWIG_FOUND)
if(ENABLE_lua)
if(${SWIG_VERSION} VERSION_LESS "1.3.35")
message(STATUS "WARNING: swig version too old for Lua binding. Disabling Lua binding.")
set(ENABLE_lua OFF CACHE BOOL "Enable Lua binding" FORCE)
endif(${SWIG_VERSION} VERSION_LESS "1.3.35")
endif(ENABLE_lua)
if(ENABLE_lua AND NOT PL_DOUBLE)
message(STATUS "WARNING: "
"Only single-precision floating point. Disabling Lua binding")
set(ENABLE_lua OFF CACHE BOOL "Enable Lua binding" FORCE)
endif(ENABLE_lua AND NOT PL_DOUBLE)
if(ENABLE_lua)
# Find Lua. If the user specifies REQUIRED_LUA_VERSION, only that version
# of Lua will be accepted. Otherwise, the Lua version found will be the
# highest version installed on your system.
if(REQUIRED_LUA_VERSION)
message(STATUS "Attempting to find specific Lua version = ${REQUIRED_LUA_VERSION}")
find_package(Lua ${REQUIRED_LUA_VERSION} EXACT QUIET)
else(REQUIRED_LUA_VERSION)
message(STATUS "Attempting to find any Lua version")
find_package(Lua QUIET)
endif(REQUIRED_LUA_VERSION)
message(STATUS "LUA_INCLUDE_DIR = ${LUA_INCLUDE_DIR}")
message(STATUS "LUA_LIBRARIES = ${LUA_LIBRARIES}")
if(NOT LUA_FOUND)
message(STATUS "WARNING: "
"Lua header and/or library not found. Disabling Lua binding")
set(ENABLE_lua OFF CACHE BOOL "Enable Lua binding" FORCE)
endif(NOT LUA_FOUND)
endif(ENABLE_lua)
if(ENABLE_lua)
string(SUBSTRING ${LUA_VERSION_STRING} 0 3 SHORT_LUA_VERSION_STRING)
# Look for consistently versioned LUA_EXECUTABLE and only use the
# "lua" name for that executable as a last resort because the
# generic system version may not correspond to the library that is
# found. But in order to find a locally built version (if higher
# than the system version on the search PATHs) must also use
# NAMES_PER_DIR.
find_program(LUA_EXECUTABLE NAMES lua${SHORT_LUA_VERSION_STRING} lua NAMES_PER_DIR)
message(STATUS "Found LUA_EXECUTABLE = ${LUA_EXECUTABLE}")
if(NOT LUA_EXECUTABLE)
message(STATUS "WARNING: "
"Lua executable not found under either lua${SHORT_LUA_VERSION_STRING} or lua name. Disabling Lua binding")
set(ENABLE_lua OFF CACHE BOOL "Enable Lua binding" FORCE)
endif(NOT LUA_EXECUTABLE)
endif(ENABLE_lua)
if(ENABLE_lua)
# Unless some better convention comes along, follow what Debian does for
# install location of Lua wrapper shared object.
if(LUA_VERSION MATCHES "5\\.0")
set(
LUA_DIR
${LIB_DIR}/lua/50/plplot
CACHE PATH "PLplot install location for Lua wrapper shared object"
)
else(LUA_VERSION MATCHES "5\\.0")
set(
LUA_DIR
${LIB_DIR}/lua/${LUA_VERSION}/plplot
CACHE PATH "PLplot install location for Lua wrapper shared object"
)
endif(LUA_VERSION MATCHES "5\\.0")
list(APPEND INSTALL_LOCATION_VARIABLES_LIST LUA_DIR)
endif(ENABLE_lua)
|
