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
|
AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_START,
[
echo "LIBREPLACE_CC_CHECKS: START"
])
AC_DEFUN_ONCE(AC__LIBREPLACE_ONLY_CC_CHECKS_END,
[
echo "LIBREPLACE_CC_CHECKS: END"
])
dnl
dnl
dnl AC_LIBREPLACE_CC_CHECKS
dnl
dnl Note: we need to use m4_define instead of AC_DEFUN because
dnl of the ordering of tests
dnl
dnl
m4_define(AC_LIBREPLACE_CC_CHECKS,
[
AC__LIBREPLACE_ONLY_CC_CHECKS_START
dnl stop the C89 attempt by autoconf - if autoconf detects -Ae it will enable it
dnl which conflicts with C99 on HPUX
ac_cv_prog_cc_Ae=no
savedCFLAGS=$CFLAGS
AC_PROG_CC
CFLAGS=$savedCFLAGS
dnl don't try for C99 if we are using gcc, as otherwise we
dnl lose immediate structure constants
if test x"$GCC" = x"no" ; then
AC_PROG_CC_C99
fi
if test x"$GCC" = x"yes" ; then
AC_MSG_CHECKING([for version of gcc])
GCC_VERSION=`$CC -dumpversion`
AC_MSG_RESULT(${GCC_VERSION})
fi
AC_USE_SYSTEM_EXTENSIONS
AC_C_BIGENDIAN
AC_C_INLINE
LIBREPLACE_C99_STRUCT_INIT([],[AC_MSG_WARN([c99 structure initializer are not supported])])
AC_PROG_INSTALL
AC_ISC_POSIX
AC_EXTENSION_FLAG(_XOPEN_SOURCE_EXTENDED)
AC_EXTENSION_FLAG(_OSF_SOURCE)
AC_SYS_LARGEFILE
dnl Add #include for broken IRIX header files
case "$host_os" in
*irix6*) AC_ADD_INCLUDE(<standards.h>)
;;
*hpux*)
# mmap on HPUX is completely broken...
AC_DEFINE(MMAP_BLACKLIST, 1, [Whether MMAP is broken])
if test "`uname -r`" = "B.11.11"; then
AC_MSG_WARN([Enabling HPUX 11.11 header bug workaround])
CFLAGS="$CFLAGS -D_LARGEFILE64_SUPPORT -D__LP64__ -DO_LARGEFILE=04000"
fi
;;
*aix*)
AC_DEFINE(BROKEN_STRNDUP, 1, [Whether strndup is broken])
AC_DEFINE(BROKEN_STRNLEN, 1, [Whether strnlen is broken])
if test "${GCC}" != "yes"; then
## for funky AIX compiler using strncpy()
CFLAGS="$CFLAGS -D_LINUX_SOURCE_COMPAT -qmaxmem=32000"
fi
;;
#
# VOS may need to have POSIX support and System V compatibility enabled.
#
*vos*)
case "$CFLAGS" in
*-D_POSIX_C_SOURCE*);;
*)
CFLAGS="$CFLAGS -D_POSIX_C_SOURCE=200112L"
AC_DEFINE(_POSIX_C_SOURCE, 200112L, [Whether to enable POSIX support])
;;
esac
case "$CFLAGS" in
*-D_SYSV*|*-D_SVID_SOURCE*);;
*)
CFLAGS="$CFLAGS -D_SYSV"
AC_DEFINE(_SYSV, 1, [Whether to enable System V compatibility])
;;
esac
;;
esac
AC_CHECK_HEADERS([standards.h])
# Solaris needs HAVE_LONG_LONG defined
AC_CHECK_TYPES(long long)
AC_CHECK_TYPE(uint_t, unsigned int)
AC_CHECK_TYPE(int8_t, char)
AC_CHECK_TYPE(uint8_t, unsigned char)
AC_CHECK_TYPE(int16_t, short)
AC_CHECK_TYPE(uint16_t, unsigned short)
AC_CHECK_TYPE(int32_t, long)
AC_CHECK_TYPE(uint32_t, unsigned long)
AC_CHECK_TYPE(int64_t, long long)
AC_CHECK_TYPE(uint64_t, unsigned long long)
AC_CHECK_TYPE(size_t, unsigned int)
AC_CHECK_TYPE(ssize_t, int)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(ssize_t)
AC_CHECK_TYPE(intptr_t, unsigned long long)
AC_CHECK_TYPE(ptrdiff_t, unsigned long long)
if test x"$ac_cv_type_long_long" != x"yes";then
AC_MSG_ERROR([LIBREPLACE needs type 'long long'])
fi
if test $ac_cv_sizeof_long_long -lt 8;then
AC_MSG_ERROR([LIBREPLACE needs sizeof(long long) >= 8])
fi
############################################
# check if the compiler can do immediate structures
AC_CACHE_CHECK([for immediate structures],samba_cv_immediate_structures, [
AC_TRY_COMPILE([
#include <stdio.h>],
[
typedef struct {unsigned x;} FOOBAR;
#define X_FOOBAR(x) ((FOOBAR) { x })
#define FOO_ONE X_FOOBAR(1)
FOOBAR f = FOO_ONE;
static const struct {
FOOBAR y;
} f2[] = {
{FOO_ONE}
};
],
samba_cv_immediate_structures=yes,samba_cv_immediate_structures=no)])
if test x"$samba_cv_immediate_structures" = x"yes"; then
AC_DEFINE(HAVE_IMMEDIATE_STRUCTURES,1,[Whether the compiler supports immediate structures])
fi
AC__LIBREPLACE_ONLY_CC_CHECKS_END
]) dnl end AC_LIBREPLACE_CC_CHECKS
|
