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
|
dnl --enable-fast-malloc - depends on $KDE_MALLOC
dnl --disable-fast-malloc - disabled
dnl --enable-fast-malloc=full - enabled always
dnl
dnl gcc3.0 needs -finline-limit=100000 (large num)
kde_fast_malloc=
AC_ARG_ENABLE(fast-malloc,
[ --enable-fast-malloc Use own malloc implementation : yes,no,full,debug],
[
if test "$enableval" = "full"; then
kde_fast_malloc=full
elif test "$enableval" = "yes"; then
kde_fast_malloc=yes
elif test "$enableval" = "debug"; then
kde_fast_malloc=debug
else
kde_fast_malloc=no
fi
],
[
kde_fast_malloc=notgiven
])
dnl gcc needed for __inline__
if test "$kde_fast_malloc" != "no"; then
if test "$GCC" != "yes"; then
if test "$kde_fast_malloc" = "notgiven"; then
kde_fast_malloc=no
else
AC_MSG_ERROR([Fast malloc needs GCC.])
kde_fast_malloc=no
fi
fi
fi
if test "$kde_fast_malloc" != "no"; then
dnl platforms for which there's a spinlock implementation
case $target_cpu in
i?86)
AC_DEFINE(KDE_MALLOC_X86, 1, [The platform is x86])
;;
*)
if test "$kde_fast_malloc" = "notgiven"; then
kde_fast_malloc=no
else
AC_MSG_ERROR([Fast malloc is not supported on this platform (missing spinlock implementation).])
fi
;;
esac
dnl warn on untested platforms
case $target_os in
linux*) ;;
freebsd*) ;;
*)
if test "$kde_fast_malloc" = "notgiven"; then
kde_fast_malloc=no
else
AC_MSG_WARN([Fast malloc is not tested on this platform. The build may fail or the executables may crash.])
fi
;;
esac
fi
if test "$kde_fast_malloc" = "yes" -o "$kde_fast_malloc" = "notgiven" -o "$kde_fast_malloc" = "debug"; then
dnl $KDE_MALLOC needs glibc (__libc_malloc etc.)
AC_CACHE_CHECK([if the libc is glibc],kde_cv_libc_glibc,
[AC_TRY_COMPILE(
[#include<stdlib.h>],
[
#ifndef __GLIBC__
error no glibc
#endif
],
[kde_cv_libc_glibc=yes],
[kde_cv_libc_glibc=no])
])
if test "$kde_cv_libc_glibc" = "yes"; then
AC_DEFINE(KDE_MALLOC_GLIBC, 1, [The libc used is glibc])
else
if test "$kde_fast_malloc" = "notgiven"; then
kde_fast_malloc=notgiven_full
elif test "$enableval" = "debug"; then
AC_MSG_WARN([This libc is not supported for fast malloc. Runtime disabling won't work.])
kde_fast_malloc=debug_full
else
AC_MSG_ERROR([This libc is not supported for fast malloc. Either use --enable-fast-malloc=full, or don't use it at all.])
fi
fi
fi
if test "$kde_fast_malloc" = "notgiven"; then
#kde_fast_malloc=yes
kde_fast_malloc=no
fi
if test "$kde_fast_malloc" = "notgiven_full"; then
if test "$kde_use_debug_code" = "no"; then
#kde_fast_malloc=full
kde_fast_malloc=no
else
kde_fast_malloc=no
fi
fi
AC_MSG_CHECKING(whether to enable fast malloc)
if test "$kde_fast_malloc" = "yes"; then
AC_MSG_RESULT(yes)
elif test "$kde_fast_malloc" = "full"; then
AC_MSG_RESULT([yes(full)])
elif test "$kde_fast_malloc" = "debug"; then
AC_MSG_RESULT([yes(debug)])
elif test "$kde_fast_malloc" = "debug_full"; then
AC_MSG_RESULT([yes(full+debug)])
else
AC_MSG_RESULT(no)
fi
if test "$kde_fast_malloc" != "no"; then
AC_DEFINE(KDE_MALLOC, 1, [Use own malloc implementation])
fi
if test "$kde_fast_malloc" = "debug" -o "$kde_fast_malloc" = "debug_full"; then
AC_DEFINE(KDE_MALLOC_DEBUG, 1, [Enable debugging in fast malloc])
fi
if test "$kde_fast_malloc" = "full" -o "$kde_fast_malloc" = "debug_full"; then
AC_DEFINE(KDE_MALLOC_FULL, 1, [Make alloc as fast as possible])
fi
dnl -finline-limit=<large num> is needed for gcc3 in order to inline large functions
KDE_CHECK_COMPILER_FLAG(finline-limit=100000,
[KDE_FORCE_INLINE="-finline-limit=100000"],
[KDE_FORCE_INLINE= ])
AC_SUBST(KDE_FORCE_INLINE)
|
