Merge Trond.
[m6w6/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],[0.22])
8
9 AC_DEFUN([PANDORA_FORCE_DEPEND_TRACKING],[
10 dnl Force dependency tracking on for Sun Studio builds
11 AS_IF([test "x${enable_dependency_tracking}" = "x"],[
12 enable_dependency_tracking=yes
13 ])
14 ])
15
16 dnl The standard setup for how we build Pandora projects
17 AC_DEFUN([PANDORA_CANONICAL_TARGET],[
18 AC_REQUIRE([PANDORA_FORCE_DEPEND_TRACKING])
19 ifdef([m4_define],,[define([m4_define], defn([define]))])
20 ifdef([m4_undefine],,[define([m4_undefine], defn([undefine]))])
21 m4_define([PCT_ALL_ARGS],[$*])
22 m4_define([PCT_USE_GNULIB],[no])
23 m4_define([PCT_REQUIRE_CXX],[no])
24 m4_define([PCT_IGNORE_SHARED_PTR],[no])
25 m4_define([PCT_FORCE_GCC42],[no])
26 m4_foreach([pct_arg],[$*],[
27 m4_case(pct_arg,
28 [use-gnulib], [
29 m4_undefine([PCT_USE_GNULIB])
30 m4_define([PCT_USE_GNULIB],[yes])
31 ],
32 [require-cxx], [
33 m4_undefine([PCT_REQUIRE_CXX])
34 m4_define([PCT_REQUIRE_CXX],[yes])
35 ],
36 [ignore-shared-ptr], [
37 m4_undefine([PCT_IGNORE_SHARED_PTR])
38 m4_define([PCT_IGNORE_SHARED_PTR],[yes])
39 ],
40 [force-gcc42], [
41 m4_undefine([PCT_FORCE_GCC42])
42 m4_define([PCT_FORCE_GCC42],[yes])
43 ])
44 ])
45
46 # We need to prevent canonical target
47 # from injecting -O2 into CFLAGS - but we won't modify anything if we have
48 # set CFLAGS on the command line, since that should take ultimate precedence
49 AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
50 [CFLAGS=""])
51 AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
52 [CXXFLAGS=""])
53
54 AC_CANONICAL_TARGET
55
56 AM_INIT_AUTOMAKE(-Wall -Werror nostdinc subdir-objects)
57
58 m4_if(PCT_USE_GNULIB,yes,[ gl_EARLY ])
59
60 AC_REQUIRE([AC_PROG_CC])
61 AC_REQUIRE([PANDORA_MAC_GCC42])
62 AC_REQUIRE([PANDORA_64BIT])
63
64 dnl Once we can use a modern autoconf, we can use this
65 dnl AC_PROG_CC_C99
66 AC_PROG_CXX
67 AC_PROG_CPP
68 AM_PROG_CC_C_O
69
70
71 gl_USE_SYSTEM_EXTENSIONS
72 m4_if(PCT_FORCE_GCC42, [yes], [
73 AS_IF([test "$GCC" = "yes"], PANDORA_ENSURE_GCC_VERSION)
74 ])
75
76 AC_CHECK_DECL([__SUNPRO_C], [SUNCC="yes"], [SUNCC="no"])
77 AC_CHECK_DECL([__ICC], [INTELCC="yes"], [INTELCC="no"])
78 AS_IF([test "x$INTELCC" = "xyes"], [enable_rpath=no])
79
80 PANDORA_LIBTOOL
81
82 dnl autoconf doesn't automatically provide a fail-if-no-C++ macro
83 dnl so we check c++98 features and fail if we don't have them, mainly
84 dnl for that reason
85 PANDORA_CHECK_CXX_STANDARD
86 m4_if(PCT_REQUIRE_CXX, [yes], [
87 AS_IF([test "$ac_cv_cxx_stdcxx_98" = "no"],[
88 AC_MSG_ERROR([No working C++ Compiler has been found. ${PACKAGE} requires a C++ compiler that can handle C++98])
89 ])
90 ])
91
92 PANDORA_SHARED_PTR
93 m4_if(PCT_IGNORE_SHARED_PTR, [no], [
94 AS_IF([test "$ac_cv_shared_ptr_namespace" = "missing"],[
95 AC_MSG_WARN([a usable shared_ptr implementation was not found. Let someone know what your platform is.])
96 ])
97 ])
98
99 m4_if(PCT_USE_GNULIB, [yes], [gl_INIT])
100
101 AC_C_BIGENDIAN
102 AC_C_CONST
103 AC_C_INLINE
104 AC_C_VOLATILE
105 AC_C_RESTRICT
106
107 AC_HEADER_TIME
108 AC_TYPE_SIZE_T
109 AC_SYS_LARGEFILE
110
111
112 PANDORA_CHECK_C_VERSION
113 PANDORA_CHECK_CXX_VERSION
114
115 PANDORA_OPTIMIZE
116
117 dnl We need to inject error into the cflags to test if visibility works or not
118 save_CFLAGS="${CFLAGS}"
119 CFLAGS="${CFLAGS} -Werror"
120 gl_VISIBILITY
121 CFLAGS="${save_CFLAGS}"
122
123 PANDORA_HEADER_ASSERT
124
125 PANDORA_WARNINGS(PCT_ALL_ARGS)
126
127 PANDORA_ENABLE_DTRACE
128
129 AC_LIB_PREFIX
130 PANDORA_HAVE_BETTER_MALLOC
131
132 AC_CHECK_PROGS([DOXYGEN], [doxygen])
133 AC_CHECK_PROGS([PERL], [perl])
134
135 AS_IF([test "x${gl_LIBOBJS}" != "x"],[
136 AS_IF([test "$GCC" = "yes"],[
137 AM_CPPFLAGS="-isystem \$(top_srcdir)/gnulib -isystem \$(top_builddir)/gnulib ${AM_CPPFLAGS}"
138 ],[
139 AM_CPPFLAGS="-I\$(top_srcdir)/gnulib -I\$(top_builddir)/gnulib ${AM_CPPFLAGS}"
140 ])
141 ])
142
143 AM_CPPFLAGS="-I\${top_srcdir} -I\${top_builddir} ${AM_CPPFLAGS}"
144 AM_CFLAGS="${AM_CFLAGS} ${CC_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
145 AM_CXXFLAGS="${AM_CXXFLAGS} ${CXX_WARNINGS} ${CC_PROFILING} ${CC_COVERAGE}"
146
147 AC_SUBST([AM_CFLAGS])
148 AC_SUBST([AM_CXXFLAGS])
149 AC_SUBST([AM_CPPFLAGS])
150
151 ])