~drizzle-trunk/drizzle/development

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
dnl By default, many hosts wont let programs access large files;
dnl one must use special compiler options to get large-file access to work.
dnl For more details about this brain damage please see:
dnl http://www.sas.com/standards/large.file/x_open.20Mar96.html

dnl Written by Paul Eggert <eggert@twinsun.com>.

dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_FLAGS(FLAGSNAME)
AC_DEFUN([AC_SYS_LARGEFILE_FLAGS],
  [AC_CACHE_CHECK([for $1 value to request large file support],
     ac_cv_sys_largefile_$1,
     [if ($GETCONF LFS_$1) >conftest.1 2>conftest.2 && test ! -s conftest.2
      then
        ac_cv_sys_largefile_$1=`cat conftest.1`
      else
	ac_cv_sys_largefile_$1=no
	ifelse($1, CFLAGS,
	  [case "$host_os" in
	   # HP-UX 10.20 requires -D__STDC_EXT__ with gcc 2.95.1.
changequote(, )dnl
	   hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
changequote([, ])dnl
	     if test "$GCC" = yes; then
	        case `$CC --version 2>/dev/null` in
	          2.95.*) ac_cv_sys_largefile_CFLAGS=-D__STDC_EXT__ ;;
		esac
	     fi
	     ;;
	   # IRIX 6.2 and later require cc -n32.
changequote(, )dnl
	   irix6.[2-9]* | irix6.1[0-9]* | irix[7-9].* | irix[1-9][0-9]*)
changequote([, ])dnl
	     if test "$GCC" != yes; then
	       ac_cv_sys_largefile_CFLAGS=-n32
	     fi
	   esac
	   if test "$ac_cv_sys_largefile_CFLAGS" != no; then
	     ac_save_CC="$CC"
	     CC="$CC $ac_cv_sys_largefile_CFLAGS"
	     AC_TRY_LINK(, , , ac_cv_sys_largefile_CFLAGS=no)
	     CC="$ac_save_CC"
	   fi])
      fi
      rm -f conftest*])])

dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_SPACE_APPEND(VAR, VAL)
AC_DEFUN([AC_SYS_LARGEFILE_SPACE_APPEND],
  [case $2 in
   no) ;;
   ?*)
     case "[$]$1" in
     '') $1=$2 ;;
     *) $1=[$]$1' '$2 ;;
     esac ;;
   esac])

dnl Internal subroutine of AC_SYS_LARGEFILE.
dnl AC_SYS_LARGEFILE_MACRO_VALUE(C-MACRO, CACHE-VAR, COMMENT, CODE-TO-SET-DEFAULT)
AC_DEFUN([AC_SYS_LARGEFILE_MACRO_VALUE],
  [AC_CACHE_CHECK([for $1], $2,
     [$2=no
changequote(, )dnl
      for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
	case "$ac_flag" in
	-D$1)
	  $2=1 ;;
	-D$1=*)
	  $2=`expr " $ac_flag" : '[^=]*=\(.*\)'` ;;
	esac
      done
      $4
changequote([, ])dnl
      ])
   if test "[$]$2" != no; then
     AC_DEFINE_UNQUOTED([$1], [$]$2, [$3])
   fi])

AC_DEFUN([MYSQL_SYS_LARGEFILE],
  [AC_REQUIRE([AC_CANONICAL_HOST])
      AC_ARG_ENABLE([largefile],
	  [AS_HELP_STRING([--disable-largefile],
		  [Omit support for large files])])
   if test "$enable_largefile" != no; then
     AC_CHECK_TOOL(GETCONF, getconf)
     AC_SYS_LARGEFILE_FLAGS(CFLAGS)
     AC_SYS_LARGEFILE_FLAGS(LDFLAGS)
     AC_SYS_LARGEFILE_FLAGS(LIBS)

     for ac_flag in $ac_cv_sys_largefile_CFLAGS no; do
       case "$ac_flag" in
       no) ;;
       -D_FILE_OFFSET_BITS=*) ;;
       -D_LARGEFILE_SOURCE | -D_LARGEFILE_SOURCE=*) ;;
       -D_LARGE_FILES | -D_LARGE_FILES=*) ;;
       -D?* | -I?*)
	 AC_SYS_LARGEFILE_SPACE_APPEND(CPPFLAGS, "$ac_flag") ;;
       *)
	 AC_SYS_LARGEFILE_SPACE_APPEND(CFLAGS, "$ac_flag") ;;
       esac
     done
     AC_SYS_LARGEFILE_SPACE_APPEND(LDFLAGS, "$ac_cv_sys_largefile_LDFLAGS")
     AC_SYS_LARGEFILE_SPACE_APPEND(LIBS, "$ac_cv_sys_largefile_LIBS")

     AC_SYS_LARGEFILE_MACRO_VALUE(_FILE_OFFSET_BITS,
       ac_cv_sys_file_offset_bits,
       [Number of bits in a file offset, on hosts where this is settable.],
       [case "$host_os" in
	# HP-UX 10.20 and later
	hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
	  ac_cv_sys_file_offset_bits=64 ;;
	# We can't declare _FILE_OFFSET_BITS here as this will cause
	# compile errors as AC_PROG_CC adds include files in confdefs.h
	# We solve this (until autoconf is fixed) by instead declaring it
	# as define instead
	solaris2.[8,9])
	  CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
	  CXXFLAGS="$CXXFLAGS -D_FILE_OFFSET_BITS=64"
	  ac_cv_sys_file_offset_bits=no ;;
	esac])
     AC_SYS_LARGEFILE_MACRO_VALUE(_LARGEFILE_SOURCE,
       ac_cv_sys_largefile_source,
       [makes fseeko etc. visible, on some hosts.],
       [case "$host_os" in
	# HP-UX 10.20 and later
	hpux10.[2-9][0-9]* | hpux1[1-9]* | hpux[2-9][0-9]*)
	  ac_cv_sys_largefile_source=1 ;;
	esac])

     AC_SYS_LARGEFILE_MACRO_VALUE(_LARGE_FILES,
       ac_cv_sys_large_files,
       [Large files support on AIX-style hosts.],
       [case "$host_os" in
       # Large file support on AIX is available starting from version 4.2
       # Tested only on 5.2 and up
       aix4.[2-9]* | aix4.1[0-9]* | aix[5-9].* | aix[1-9][0-9]*)
         ac_cv_sys_large_files=1 ;;
       esac])
   fi
  ])