Temp save for Monty.
[awesomized/libmemcached] / m4 / pandora_canonical.m4
1 dnl Copyright (C) 2009 Sun Microsystems
2 dnl This file is free software; Sun Microsystems
3 dnl gives unlimited permission to copy and/or distribute it,
4 dnl with or without modifications, as long as this notice is preserved.
5
6 dnl Which version of the canonical setup we're using
7 AC_DEFUN([PANDORA_CANONICAL_VERSION],[0.92])
8
9 AC_DEFUN([PANDORA_FORCE_DEPEND_TRACKING],[
10 AC_ARG_ENABLE([fat-binaries],
11 [AS_HELP_STRING([--enable-fat-binaries],
12 [Enable fat binary support on OSX @<:@default=off@:>@])],
13 [ac_enable_fat_binaries="$enableval"],
14 [ac_enable_fat_binaries="no"])
15
16 dnl Force dependency tracking on for Sun Studio builds
17 AS_IF([test "x${enable_dependency_tracking}" = "x"],[
18 enable_dependency_tracking=yes
19 ])
20 dnl If we're building OSX Fat Binaries, we have to turn off -M options
21 AS_IF([test "x${ac_enable_fat_binaries}" = "xyes"],[
22 enable_dependency_tracking=no
23 ])
24 ])
25
26 dnl The standard setup for how we build Pandora projects
27 AC_DEFUN([PANDORA_CANONICAL_TARGET],[
28 AC_REQUIRE([PANDORA_FORCE_DEPEND_TRACKING])
29 ifdef([m4_define],,[define([m4_define], defn([define]))])
30 ifdef([m4_undefine],,[define([m4_undefine], defn([undefine]))])
31 m4_define([PCT_ALL_ARGS],[$*])
32 m4_define([PCT_USE_GNULIB],[no])
33 m4_define([PCT_REQUIRE_CXX],[no])
34 m4_define([PCT_IGNORE_SHARED_PTR],[no])
35 m4_define([PCT_FORCE_GCC42],[no])
36 m4_define([PCT_SRC_IN_SRC],[no])
37 m4_define([PCT_VERSION_FROM_VC],[no])
38 m4_define([PCT_USE_VISIBILITY],[yes])
39 m4_foreach([pct_arg],[$*],[
40 m4_case(pct_arg,
41 [use-gnulib], [
42 m4_undefine([PCT_USE_GNULIB])
43 m4_define([PCT_USE_GNULIB],[yes])
44 ],
45 [require-cxx], [
46 m4_undefine([PCT_REQUIRE_CXX])
47 m4_define([PCT_REQUIRE_CXX],[yes])
48 ],
49 [ignore-shared-ptr], [
50 m4_undefine([PCT_IGNORE_SHARED_PTR])
51 m4_define([PCT_IGNORE_SHARED_PTR],[yes])
52 ],
53 [force-gcc42], [
54 m4_undefine([PCT_FORCE_GCC42])
55 m4_define([PCT_FORCE_GCC42],[yes])
56 ],
57 [skip-visibility], [
58 m4_undefine([PCT_USE_VISIBILITY])
59 m4_define([PCT_USE_VISIBILITY],[no])
60 ],
61 [src-in-src], [
62 m4_undefine([PCT_SRC_IN_SRC])
63 m4_define([PCT_SRC_IN_SRC],[yes])
64 ],
65 [version-from-vc], [
66 m4_undefine([PCT_VERSION_FROM_VC])
67 m4_define([PCT_VERSION_FROM_VC],[yes])
68 ])
69 ])
70
71 # We need to prevent canonical target
72 # from injecting -O2 into CFLAGS - but we won't modify anything if we have
73 # set CFLAGS on the command line, since that should take ultimate precedence
74 AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
75 [CFLAGS=""])
76 AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
77 [CXXFLAGS=""])
78
79 AC_CANONICAL_TARGET
80
81 AM_INIT_AUTOMAKE(-Wall -Werror nostdinc subdir-objects foreign)
82 m4_ifdef([AM_SILENT_RULES],[AM_SILENT_RULES([yes])])
83
84 m4_if(PCT_USE_GNULIB,yes,[ gl_EARLY ])
85
86 AC_REQUIRE([AC_PROG_CC])
87 AC_REQUIRE([PANDORA_MAC_GCC42])
88 AC_REQUIRE([PANDORA_64BIT])
89
90 m4_if(PCT_VERSION_FROM_VC,yes,[
91 PANDORA_VC_VERSION
92 ])
93 PANDORA_VERSION
94
95 dnl Once we can use a modern autoconf, we can use this
96 dnl AC_PROG_CC_C99
97 AC_REQUIRE([AC_PROG_CXX])
98 PANDORA_EXTENSIONS
99 AM_PROG_CC_C_O
100
101
102 m4_if(PCT_FORCE_GCC42, [yes], [
103 AS_IF([test "$GCC" = "yes"], PANDORA_ENSURE_GCC_VERSION)
104 ])
105
106 PANDORA_PLATFORM
107
108 PANDORA_LIBTOOL
109
110 dnl autoconf doesn't automatically provide a fail-if-no-C++ macro
111 dnl so we check c++98 features and fail if we don't have them, mainly
112 dnl for that reason
113 PANDORA_CHECK_CXX_STANDARD
114 m4_if(PCT_REQUIRE_CXX, [yes], [
115 AS_IF([test "$ac_cv_cxx_stdcxx_98" = "no"],[
116 AC_MSG_ERROR([No working C++ Compiler has been found. ${PACKAGE} requires a C++ compiler that can handle C++98])
117 ])
118
119 ])
120
121 PANDORA_SHARED_PTR
122 m4_if(PCT_IGNORE_SHARED_PTR, [no], [
123 AS_IF([test "$ac_cv_shared_ptr_namespace" = "missing"],[
124 AC_MSG_WARN([a usable shared_ptr implementation was not found. Let someone know what your platform is.])
125 ])
126 ])
127
128 m4_if(PCT_USE_GNULIB, [yes], [
129 gl_INIT
130 AC_CONFIG_LIBOBJ_DIR([gnulib])
131 ])
132
133 PANDORA_CHECK_C_VERSION
134 PANDORA_CHECK_CXX_VERSION
135
136 AC_C_BIGENDIAN
137 AC_C_CONST
138 AC_C_INLINE
139 AC_C_VOLATILE
140 AC_C_RESTRICT
141
142 AC_HEADER_TIME
143 AC_TYPE_SIZE_T
144 AC_SYS_LARGEFILE
145
146 # off_t is not a builtin type
147 AC_CHECK_SIZEOF(off_t, 4)
148 AS_IF([test "$ac_cv_sizeof_off_t" -eq 0],[
149 AC_MSG_ERROR("${PACKAGE} needs an off_t type.")
150 ])
151
152 AC_CHECK_SIZEOF(size_t)
153 AS_IF([test "$ac_cv_sizeof_size_t" -eq 0],[
154 AC_MSG_ERROR("${PACKAGE} needs an size_t type.")
155 ])
156
157 AC_DEFINE_UNQUOTED([SIZEOF_SIZE_T],[$ac_cv_sizeof_size_t],[Size of size_t as computed by sizeof()])
158 AC_CHECK_SIZEOF(long long)
159 AC_DEFINE_UNQUOTED([SIZEOF_LONG_LONG],[$ac_cv_sizeof_long_long],[Size of long long as computed by sizeof()])
160 AC_CACHE_CHECK([if time_t is unsigned], [ac_cv_time_t_unsigned],[
161 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
162 [[
163 #include <time.h>
164 ]],
165 [[
166 int array[(((time_t)-1) > 0) ? 1 : -1];
167 ]])
168 ],[
169 ac_cv_time_t_unsigned=yes
170 ],[
171 ac_cv_time_t_unsigned=no
172 ])
173 ])
174 AS_IF([test "$ac_cv_time_t_unsigned" = "yes"],[
175 AC_DEFINE([TIME_T_UNSIGNED], 1, [Define to 1 if time_t is unsigned])
176 ])
177
178 dnl AC_FUNC_ALLOCA would test for stack direction if we didn't have a working
179 dnl alloca - but we need to know it anyway for check_stack_overrun.
180 PANDORA_STACK_DIRECTION
181
182 AC_CHECK_LIBM
183
184 AC_CHECK_FUNC(setsockopt, [], [AC_CHECK_LIB(socket, setsockopt)])
185 AC_CHECK_FUNC(bind, [], [AC_CHECK_LIB(bind, bind)])
186
187
188
189 PANDORA_OPTIMIZE
190
191 AC_LANG_PUSH(C++)
192 # Test whether madvise() is declared in C++ code -- it is not on some
193 # systems, such as Solaris
194 AC_CHECK_DECLS([madvise], [], [], [AC_INCLUDES_DEFAULT[
195 #if HAVE_SYS_MMAN_H
196 #include <sys/types.h>
197 #include <sys/mman.h>
198 #endif
199 ]])
200 AC_LANG_POP()
201
202 PANDORA_HAVE_GCC_ATOMICS
203
204 m4_if(PCT_USE_VISIBILITY,[yes],[
205 dnl We need to inject error into the cflags to test if visibility works or not
206 save_CFLAGS="${CFLAGS}"
207 CFLAGS="${CFLAGS} -Werror"
208 PANDORA_VISIBILITY
209 CFLAGS="${save_CFLAGS}"
210 ])
211
212 PANDORA_HEADER_ASSERT
213
214 PANDORA_WARNINGS(PCT_ALL_ARGS)
215
216 PANDORA_ENABLE_DTRACE
217
218 AC_LIB_PREFIX
219 PANDORA_HAVE_BETTER_MALLOC
220
221 AC_CHECK_PROGS([DOXYGEN], [doxygen])
222 AC_CHECK_PROGS([PERL], [perl])
223
224 AS_IF([test "x${gl_LIBOBJS}" != "x"],[
225 AS_IF([test "$GCC" = "yes"],[
226 AM_CPPFLAGS="-isystem \$(top_srcdir)/gnulib -isystem \$(top_builddir)/gnulib ${AM_CPPFLAGS}"
227 ],[
228 AM_CPPFLAGS="-I\$(top_srcdir)/gnulib -I\$(top_builddir)/gnulib ${AM_CPPFLAGS}"
229 ])
230 ])
231 AS_IF([test "PCT_SRC_IN_SRC" = "yes"],[
232 AM_CPPFLAGS="-I\$(top_srcdir)/src -I\$(top_builddir)/src ${AM_CPPFLAGS}"
233 ])
234
235 PANDORA_USE_PIPE
236
237
238 AM_CPPFLAGS="-I\${top_srcdir} -I\${top_builddir} ${AM_CPPFLAGS}"
239 AM_CFLAGS="${AM_CFLAGS} ${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
240 AM_CXXFLAGS="${AM_CXXFLAGS} ${CXX_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
241
242 AC_SUBST([AM_CFLAGS])
243 AC_SUBST([AM_CXXFLAGS])
244 AC_SUBST([AM_CPPFLAGS])
245 AC_SUBST([AM_LDFLAGS])
246
247 ])