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
|
##
# Check for ANTLR's runantlr script. Will set ANTLR to the location of the
# runantlr script
##
AC_DEFUN([AC_PROG_ANTLR], [
# Get the location of the runantlr script
AC_ARG_WITH(
[antlr],
AC_HELP_STRING(
[--with-antlr=RUNANTLR],
[location of the ANTLR's `runantlr` script]
),
ANTLR="$withval",
ANTLR="runantlr"
)
# Check the existance of the runantlr script
AC_CHECK_PROG(ANTLR, "$ANTLR", "$ANTLR", [])
if test no$ANTLR = "no";
then
AC_MSG_WARN(
[Couldn't find the runantlr script, make sure that the parser code has
been generated already. To obtain ANTLR see <http://www.antlr.org/>.]
)
AC_MSG_RESULT(no)
fi
# Define the ANTL related variables
AC_SUBST(ANTLR)
])
##
# Check the existnace of the ANTLR C++ runtime library and headers
# Will set ANTLR_CPPFLAGS and ANTLR_LIBS to the location of the ANTLR headers
# and library respectively
##
AC_DEFUN([AC_LIB_ANTLR],[
# Get the location of the ANTLR c++ includes and libraries
AC_ARG_WITH(
[antlr-prefix],
AC_HELP_STRING(
[--with-antlr-prefix=PATH],
[set the search path for ANTLR headers and libraries to `PATH/include`
and `PATH/lib`. By default we look in /usr, /usr/local, /opt and
/opt/local.
]
),
ANTLR_PREFIXES="$withval",
ANTLR_PREFIXES="/usr/local /usr /opt/local /opt"
)
AC_MSG_CHECKING(for antlr C++ runtime library)
# Use C++ and remember the variables we are changing
AC_LANG_PUSH(C++)
OLD_CPPFLAGS="$CPPFLAGS"
OLD_LIBS="$LIBS"
# Try all the includes/libs set in ANTLR_PREFIXES
for antlr_prefix in $ANTLR_PREFIXES
do
CPPFLAGS="$OLD_CPPFLAGS -I$antlr_prefix/include"
LIBS="$OLD_LIBS -L$antlr_prefix/lib -lantlr"
AC_LINK_IFELSE(
[
#include <antlr/CommonAST.hpp>
class MyAST : public ANTLR_USE_NAMESPACE(antlr)CommonAST {
};
int main() {
MyAST ast;
}
],
[
AC_MSG_RESULT(found in $antlr_prefix)
ANTLR_INCLUDES="-I$antlr_prefix/include"
ANTLR_LDFLAGS="-L$antlr_prefix/lib -lantlr-pic"
break
],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([ANTLR C++ runtime not found, see <http://www.antlr.org/>])
]
)
done
# Return the old compile variables and pop the language.
LIBS="$OLD_LIBS"
CPPFLAGS="$OLD_CPPFLAGS"
AC_LANG_POP()
# Define the ANTLR include/libs variables
AC_SUBST(ANTLR_INCLUDES)
AC_SUBST(ANTLR_LDFLAGS)
])
|
