~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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
dnl  Copyright (C) 2009 Sun Microsystems
dnl This file is free software; Sun Microsystems
dnl gives unlimited permission to copy and/or distribute it,
dnl with or without modifications, as long as this notice is preserved.

dnl Which version of the canonical setup we're using
AC_DEFUN([PANDORA_CANONICAL_VERSION],[0.73])

AC_DEFUN([PANDORA_FORCE_DEPEND_TRACKING],[
  dnl Force dependency tracking on for Sun Studio builds
  AS_IF([test "x${enable_dependency_tracking}" = "x"],[
    enable_dependency_tracking=yes
  ])
])

dnl The standard setup for how we build Pandora projects
AC_DEFUN([PANDORA_CANONICAL_TARGET],[
  AC_REQUIRE([PANDORA_FORCE_DEPEND_TRACKING])
  ifdef([m4_define],,[define([m4_define],   defn([define]))])
  ifdef([m4_undefine],,[define([m4_undefine],   defn([undefine]))])
  m4_define([PCT_ALL_ARGS],[$*])
  m4_define([PCT_USE_GNULIB],[no])
  m4_define([PCT_REQUIRE_CXX],[no])
  m4_define([PCT_IGNORE_SHARED_PTR],[no])
  m4_define([PCT_FORCE_GCC42],[no])
  m4_define([PCT_SRC_IN_SRC],[no])
  m4_foreach([pct_arg],[$*],[
    m4_case(pct_arg,
      [use-gnulib], [
        m4_undefine([PCT_USE_GNULIB])
        m4_define([PCT_USE_GNULIB],[yes])
      ],
      [require-cxx], [
        m4_undefine([PCT_REQUIRE_CXX])
        m4_define([PCT_REQUIRE_CXX],[yes])
      ],
      [ignore-shared-ptr], [
        m4_undefine([PCT_IGNORE_SHARED_PTR])
        m4_define([PCT_IGNORE_SHARED_PTR],[yes])
      ],
      [force-gcc42], [
        m4_undefine([PCT_FORCE_GCC42])
        m4_define([PCT_FORCE_GCC42],[yes])
      ],
      [src-in-src], [
        m4_undefine([PCT_SRC_IN_SRC])
        m4_define([PCT_SRC_IN_SRC],[yes])
    ])
  ])

  # We need to prevent canonical target
  # from injecting -O2 into CFLAGS - but we won't modify anything if we have
  # set CFLAGS on the command line, since that should take ultimate precedence
  AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
        [CFLAGS=""])
  AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
        [CXXFLAGS=""])
  
  AC_CANONICAL_TARGET
  
  AM_INIT_AUTOMAKE(-Wall -Werror nostdinc subdir-objects foreign)
  m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])

  m4_if(PCT_USE_GNULIB,yes,[ gl_EARLY ])
  
  AC_REQUIRE([AC_PROG_CC])
  AC_REQUIRE([PANDORA_MAC_GCC42])
  AC_REQUIRE([PANDORA_64BIT])

  dnl Once we can use a modern autoconf, we can use this
  dnl AC_PROG_CC_C99
  AC_REQUIRE([AC_PROG_CXX])
  PANDORA_EXTENSIONS
  AM_PROG_CC_C_O


  m4_if(PCT_FORCE_GCC42, [yes], [
    AS_IF([test "$GCC" = "yes"], PANDORA_ENSURE_GCC_VERSION)
  ])

  PANDORA_PLATFORM

  PANDORA_LIBTOOL

  dnl autoconf doesn't automatically provide a fail-if-no-C++ macro
  dnl so we check c++98 features and fail if we don't have them, mainly
  dnl for that reason
  PANDORA_CHECK_CXX_STANDARD
  m4_if(PCT_REQUIRE_CXX, [yes], [
    AS_IF([test "$ac_cv_cxx_stdcxx_98" = "no"],[
      AC_MSG_ERROR([No working C++ Compiler has been found. ${PACKAGE} requires a C++ compiler that can handle C++98])
    ])

  ])
  
  PANDORA_SHARED_PTR
  m4_if(PCT_IGNORE_SHARED_PTR, [no], [
    AS_IF([test "$ac_cv_shared_ptr_namespace" = "missing"],[
      AC_MSG_WARN([a usable shared_ptr implementation was not found. Let someone know what your platform is.])
    ])
  ])
  
  m4_if(PCT_USE_GNULIB, [yes], [
    gl_INIT
    AC_CONFIG_LIBOBJ_DIR([gnulib])
  ])

  PANDORA_CHECK_C_VERSION
  PANDORA_CHECK_CXX_VERSION

  AC_C_BIGENDIAN
  AC_C_CONST
  AC_C_INLINE
  AC_C_VOLATILE
  AC_C_RESTRICT

  AC_HEADER_TIME
  AC_TYPE_SIZE_T
  AC_SYS_LARGEFILE

  # off_t is not a builtin type
  AC_CHECK_SIZEOF(off_t, 4)
  AS_IF([test "$ac_cv_sizeof_off_t" -eq 0],[
    AC_MSG_ERROR("${PACKAGE} needs an off_t type.")
  ])

  AC_CHECK_SIZEOF(size_t)
  AS_IF([test "$ac_cv_sizeof_size_t" -eq 0],[
    AC_MSG_ERROR("${PACKAGE} needs an size_t type.")
  ])

  AC_DEFINE_UNQUOTED([SIZEOF_SIZE_T],[$ac_cv_sizeof_size_t],[Size of size_t as computed by sizeof()])
  AC_CHECK_SIZEOF(long long)
  AC_DEFINE_UNQUOTED([SIZEOF_LONG_LONG],[$ac_cv_sizeof_long_long],[Size of long long as computed by sizeof()])
  AC_CACHE_CHECK([if time_t is unsigned], [ac_cv_time_t_unsigned],[
  AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
      [[
#include <time.h>
      ]],
      [[
      int array[(((time_t)-1) > 0) ? 1 : -1];
      ]])
    ],[
      ac_cv_time_t_unsigned=yes
    ],[
      ac_cv_time_t_unsigned=no
    ])
  ])
  AS_IF([test "$ac_cv_time_t_unsigned" = "yes"],[
    AC_DEFINE([TIME_T_UNSIGNED], 1, [Define to 1 if time_t is unsigned])
  ])

  dnl AC_FUNC_ALLOCA would test for stack direction if we didn't have a working
  dnl alloca - but we need to know it anyway for check_stack_overrun.
  PANDORA_STACK_DIRECTION

  PANDORA_OPTIMIZE

  AC_LANG_PUSH(C++)
  # Test whether madvise() is declared in C++ code -- it is not on some
  # systems, such as Solaris
  AC_CHECK_DECLS([madvise], [], [], [AC_INCLUDES_DEFAULT[
  #if HAVE_SYS_MMAN_H
  #include <sys/types.h>
  #include <sys/mman.h>
  #endif
  ]])
  AC_LANG_POP()

  PANDORA_HAVE_GCC_ATOMICS

  dnl We need to inject error into the cflags to test if visibility works or not
  dnl save_CFLAGS="${CFLAGS}"
  dnl CFLAGS="${CFLAGS} -Werror"
  dnl gl_VISIBILITY
  dnl CFLAGS="${save_CFLAGS}"

  PANDORA_HEADER_ASSERT

  PANDORA_WARNINGS(PCT_ALL_ARGS)

  PANDORA_ENABLE_DTRACE

  AC_LIB_PREFIX
  PANDORA_HAVE_BETTER_MALLOC

  AC_CHECK_PROGS([DOXYGEN], [doxygen])
  AC_CHECK_PROGS([PERL], [perl])

  AS_IF([test "x${gl_LIBOBJS}" != "x"],[
    AS_IF([test "$GCC" = "yes"],[
      AM_CPPFLAGS="-isystem \$(top_srcdir)/gnulib -isystem \$(top_builddir)/gnulib ${AM_CPPFLAGS}"
    ],[
    AM_CPPFLAGS="-I\$(top_srcdir)/gnulib -I\$(top_builddir)/gnulib ${AM_CPPFLAGS}"
    ])
  ])
  AS_IF([test "PCT_SRC_IN_SRC" = "yes"],[
    AM_CPPFLAGS="-I\$(top_srcdir)/src -I\$(top_builddir)/src ${AM_CPPFLAGS}"
  ])

  PANDORA_USE_PIPE


  AM_CPPFLAGS="-I\${top_srcdir} -I\${top_builddir} ${AM_CPPFLAGS}"
  AM_CFLAGS="${AM_CFLAGS} ${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
  AM_CXXFLAGS="${AM_CXXFLAGS} ${CXX_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"

  AC_SUBST([AM_CFLAGS])
  AC_SUBST([AM_CXXFLAGS])
  AC_SUBST([AM_CPPFLAGS])

])