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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
|
dnl Check for LUA Libraries
dnl CHECK_LUA(ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND])
AC_DEFUN([CHECK_LUA],
[dnl
# Possible names for the lua library/package (pkg-config)
LUA_POSSIBLE_LIB_NAMES="lua54 lua5.4 lua-5.4 lua53 lua5.3 lua-5.3 lua52 lua5.2 lua-5.2 lua51 lua5.1 lua-5.1 lua"
# Possible extensions for the library
LUA_POSSIBLE_EXTENSIONS="so la sl dll dylib"
# Possible paths (if pkg-config was not found, proceed with the file lookup)
LUA_POSSIBLE_PATHS="/usr/lib /usr/local/lib /usr/local/lib64 /usr/local/lua /usr/local/liblua /usr/local /opt /usr /usr/lib64 /opt/local /usr/lib/lua5.3/liblua /usr/lib/lua5.2/liblua"
# Variables to be set by this very own script.
LUA_CFLAGS=""
LUA_LDFLAGS=""
LUA_LDADD=""
LUA_DISPLAY=""
AC_ARG_WITH(
lua,
[AS_HELP_STRING([--with-lua=PATH],[Path to lua prefix])]
)
if test "x${with_lua}" == "xno"; then
AC_DEFINE(HAVE_LUA, 0, [Support for LUA was disabled by the utilization of --without-lua or --with-lua=no])
AC_MSG_NOTICE([Support for LUA was disabled by the utilization of --without-lua or --with-lua=no])
LUA_DISABLED=yes
else
if test "x${with_lua}" == "xyes"; then
LUA_MANDATORY=yes
AC_MSG_NOTICE([LUA support was marked as mandatory by the utilization of --with-lua=yes])
else
LUA_MANDATORY=no
fi
for x in ${LUA_POSSIBLE_PATHS}; do
CHECK_FOR_LUA_AT(${x})
if test -n "${LUA_CFLAGS}"; then
break
fi
done
if test -z "${LUA_CFLAGS}"; then
#Trying to figure out the version using pkg-config...
if test -n "${PKG_CONFIG}"; then
LUA_PKG_NAME=""
for x in ${LUA_POSSIBLE_LIB_NAMES}; do
if ${PKG_CONFIG} --exists ${x}; then
LUA_PKG_NAME="$x"
LUA_PKG_VERSION="`${PKG_CONFIG} ${LUA_PKG_NAME} --modversion`"
break
fi
done
fi
if test -n "${LUA_PKG_NAME}"; then
# Package was found using the pkg-config scripts
LUA_PKG_VERSION="`${PKG_CONFIG} ${LUA_PKG_NAME} --modversion`"
LUA_CFLAGS="`${PKG_CONFIG} ${LUA_PKG_NAME} --cflags`"
LUA_LDADD="`${PKG_CONFIG} ${LUA_PKG_NAME} --libs-only-l`"
LUA_LDFLAGS="`${PKG_CONFIG} ${LUA_PKG_NAME} --libs-only-L --libs-only-other`"
LUA_DISPLAY="${LUA_LDADD}, ${LUA_CFLAGS}"
case $LUA_PKG_VERSION in
(5.1*) LUA_CFLAGS="-DWITH_LUA_5_1 ${LUA_CFLAGS}" ; lua_5_1=1 ;;
(5.2*) LUA_CFLAGS="-DWITH_LUA_5_2 ${LUA_CFLAGS}" ; lua_5_2=1 ;;
(5.3*) LUA_CFLAGS="-DWITH_LUA_5_3 ${LUA_CFLAGS}" ; lua_5_3=1 ;;
(5.4*) LUA_CFLAGS="-DWITH_LUA_5_4 ${LUA_CFLAGS}" ; lua_5_4=1 ;;
(2.0*) LUA_CFLAGS="-DWITH_LUA_5_1 ${LUA_CFLAGS}" ; lua_5_1=1 ;;
(2.1*) LUA_CFLAGS="-DWITH_LUA_5_1 -DWITH_LUA_JIT_2_1 ${LUA_CFLAGS}" ; lua_5_1=1 ;;
esac
AC_MSG_NOTICE([LUA pkg-config version: ${LUA_PKG_VERSION}])
fi
fi
fi
if test -z "${LUA_CFLAGS}"; then
if test -z "${LUA_MANDATORY}" || test "x${LUA_MANDATORY}" == "xno"; then
if test -z "${LUA_DISABLED}"; then
AC_MSG_NOTICE([LUA library was not found])
LUA_FOUND=0
else
LUA_FOUND=2
fi
else
AC_MSG_ERROR([LUA was explicitly referenced but it was not found])
LUA_FOUND=-1
fi
else
if test -z "${LUA_MANDATORY}" || test "x${LUA_MANDATORY}" == "xno"; then
LUA_FOUND=1
AC_MSG_NOTICE([using LUA ${LUA_LDADD}])
LUA_CFLAGS="-DWITH_LUA ${LUA_CFLAGS}"
LUA_DISPLAY="${LUA_LDADD} ${LUA_LDFLAGS}, ${LUA_CFLAGS}"
AC_SUBST(LUA_LDFLAGS)
AC_SUBST(LUA_LDADD)
AC_SUBST(LUA_CFLAGS)
AC_SUBST(LUA_DISPLAY)
else
LUA_FOUND=1
AC_MSG_NOTICE([using LUA ${LUA_LDADD}])
LUA_CFLAGS="-DWITH_LUA ${LUA_CFLAGS}"
LUA_DISPLAY="${LUA_LDADD} ${LUA_LDFLAGS}, ${LUA_CFLAGS}"
AC_SUBST(LUA_LDFLAGS)
AC_SUBST(LUA_LDADD)
AC_SUBST(LUA_CFLAGS)
AC_SUBST(LUA_DISPLAY)
fi
fi
AC_SUBST(LUA_FOUND)
]) # AC_DEFUN [CHECK_LUA]
AC_DEFUN([CHECK_FOR_LUA_AT], [
path=$1
echo "*** LOOKING AT PATH: " ${path}
for y in ${LUA_POSSIBLE_EXTENSIONS}; do
for z in ${LUA_POSSIBLE_LIB_NAMES}; do
if test -e "${path}/${z}.${y}"; then
lua_lib_path="${path}/"
lua_lib_name="${z}"
lua_lib_file="${lua_lib_path}/${z}.${y}"
break
fi
if test -e "${path}/lib${z}.${y}"; then
lua_lib_path="${path}/"
lua_lib_name="${z}"
lua_lib_file="${lua_lib_path}/lib${z}.${y}"
break
fi
if test -e "${path}/lib/lib${z}.${y}"; then
lua_lib_path="${path}/lib/"
lua_lib_name="${z}"
lua_lib_file="${lua_lib_path}/lib${z}.${y}"
break
fi
if test -e "${path}/lib/x86_64-linux-gnu/lib${z}.${y}"; then
lua_lib_path="${path}/lib/x86_64-linux-gnu/"
lua_lib_name="${z}"
lua_lib_file="${lua_lib_path}/lib${z}.${y}"
break
fi
if test -e "${path}/lib/i386-linux-gnu/lib${z}.${y}"; then
lua_lib_path="${path}/lib/i386-linux-gnu/"
lua_lib_name="${z}"
lua_lib_file="${lua_lib_path}/lib${z}.${y}"
break
fi
done
if test -n "$lua_lib_path"; then
break
fi
done
if test -e "${path}/include/lua.h"; then
lua_inc_path="${path}/include"
elif test -e "${path}/lua.h"; then
lua_inc_path="${path}"
elif test -e "${path}/include/lua/lua.h"; then
lua_inc_path="${path}/include/lua"
elif test -e "${path}/include/lua5.4/lua.h"; then
lua_inc_path="${path}/include/lua5.4"
LUA_VERSION=504
elif test -e "${path}/include/lua5.3/lua.h"; then
lua_inc_path="${path}/include/lua5.3"
LUA_VERSION=503
elif test -e "${path}/include/lua5.2/lua.h"; then
lua_inc_path="${path}/include/lua5.2"
LUA_VERSION=502
elif test -e "${path}/include/lua5.1/lua.h"; then
lua_inc_path="${path}/include/lua5.1"
LUA_VERSION=501
elif test -e "${path}/include/luajit-2.0/lua.h"; then
lua_inc_path="${path}/include/luajit-2.0"
LUA_VERSION=501
fi
if test -n "${lua_lib_path}"; then
AC_MSG_NOTICE([LUA library found at: ${lua_lib_file}])
fi
if test -n "${lua_inc_path}"; then
AC_MSG_NOTICE([LUA headers found at: ${lua_inc_path}])
fi
if test -n "${lua_lib_path}" -a -n "${lua_inc_path}"; then
LUA_CFLAGS="-I${lua_inc_path}"
LUA_LDADD="-l${lua_lib_name}"
LUA_LDFLAGS="-L${lua_lib_path}"
LUA_DISPLAY="${lua_lib_file}, ${lua_inc_path}"
# Double checking version from lua.h...
AC_TRY_COMPILE([ #include <lua.h>> ],
[ #if (LUA_VERSION_NUM < 502)
return 0;
#else
#error Lua 5.1 not detected
#endif ],
[ LUA_VERSION=501 ], [ lua_5_1=0 ]
)
AC_TRY_COMPILE([ #include <lua.h> ],
[ #if (LUA_VERSION_NUM == 502)
return 0;
#else
#error Lua 5.2 not detected
#endif ],
[ LUA_VERSION=502 ], [ lua_5_2=0 ]
)
AC_TRY_COMPILE([ #include <lua.h> ],
[ #if (LUA_VERSION_NUM == 504)
return 0;
#else
#error Lua 5.4 not detected
#endif ],
[ LUA_VERSION=504 ], [ lua_5_4=0 ]
)
if test -z "${LUA_VERSION}" ; then
# As a last resort, try to find LUA version from $lua_inc_path
while read -r line
do
case "$line" in
(\#define\ LUA_VERSION_NUM*501*) LUA_VERSION=501 ;;
(\#define\ LUA_VERSION_NUM*502*) LUA_VERSION=502 ;;
(\#define\ LUA_VERSION_NUM*503*) LUA_VERSION=503 ;;
(\#define\ LUA_VERSION_NUM*504*) LUA_VERSION=504
esac
done <"${lua_inc_path}/lua.h"
AC_MSG_NOTICE([LUA_VERSION is ${LUA_VERSION} found at: ${lua_inc_path}])
else
AC_MSG_NOTICE([LUA version from includes: ${LUA_VERSION}])
fi
case $LUA_VERSION in
(501) LUA_CFLAGS="-DWITH_LUA_5_1 ${LUA_CFLAGS}" ; lua_5_1=1 ;;
(502) LUA_CFLAGS="-DWITH_LUA_5_2 ${LUA_CFLAGS}" ; lua_5_2=1 ;;
(503) LUA_CFLAGS="-DWITH_LUA_5_3 ${LUA_CFLAGS}" ; lua_5_3=1 ;;
(504) LUA_CFLAGS="-DWITH_LUA_5_4 ${LUA_CFLAGS}" ; lua_5_4=1 ;;
esac
fi
]) # AC_DEFUN [CHECK_FOR_LUA_AT]
|
