# serial 1 AC_DEFUN([mfx_PROG_CPPFLAGS], [ AC_MSG_CHECKING([whether the C preprocessor needs special flags]) AC_LANG_CONFTEST([AC_LANG_PROGRAM( [[#include #if (32767 >= 4294967295ul) || (65535u >= 4294967295ul) # include "your C preprocessor is broken 1" #elif (0xffffu == 0xfffffffful) # include "your C preprocessor is broken 2" #elif (32767 >= ULONG_MAX) || (65535u >= ULONG_MAX) # include "your C preprocessor is broken 3" #endif ]], [[ ]] )]) mfx_save_CPPFLAGS=$CPPFLAGS mfx_tmp=ERROR for mfx_arg in "" -no-cpp-precomp do CPPFLAGS="$mfx_arg $mfx_save_CPPFLAGS" _AC_COMPILE_IFELSE([], [mfx_tmp=$mfx_arg break]) done CPPFLAGS=$mfx_save_CPPFLAGS rm -f conftest.$ac_ext conftest.$ac_objext case x$mfx_tmp in x) AC_MSG_RESULT([none needed]) ;; xERROR) AC_MSG_RESULT([ERROR]) AC_MSG_ERROR([your C preprocessor is broken - for details see config.log]) ;; *) AC_MSG_RESULT([$mfx_tmp]) CPPFLAGS="$mfx_tmp $CPPFLAGS" ;; esac ])# mfx_PROG_CPPFLAGS e>
aboutsummaryrefslogtreecommitdiffstats
path: root/doc/usage
blob: 5c60df9215f5c0d6a4cd3fbb79a6727ce12e775e (plain) 
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