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
|
## Process this file with autoconf to produce configure.
## In general, the safest way to proceed is to run ./autogen.sh
AC_PREREQ(2.59)
# Note: If you change the version, you must also update it in:
# * java/pom.xml
# * python/setup.py
# * src/google/protobuf/stubs/common.h
# * src/Makefile.am (Update -version-info for LDFLAGS if needed)
#
# In the SVN trunk, the version should always be the next anticipated release
# version with the "-pre" suffix. (We used to use "-SNAPSHOT" but this pushed
# the size of one file name in the dist tarfile over the 99-char limit.)
AC_INIT([Protocol Buffers],[3.0.0-alpha-4-pre],[protobuf@googlegroups.com],[protobuf])
AM_MAINTAINER_MODE([enable])
AC_CONFIG_SRCDIR(src/google/protobuf/message.cc)
# The config file is generated but not used by the source code, since we only
# need very few of them, e.g. HAVE_PTHREAD and HAVE_ZLIB. Those macros are
# passed down in CXXFLAGS manually in src/Makefile.am
AC_CONFIG_HEADERS([config.h])
AC_CONFIG_MACRO_DIR([m4])
AC_ARG_VAR(DIST_LANG, [language to include in the distribution package (i.e., make dist)])
case "$DIST_LANG" in
"") DIST_LANG=all ;;
all | cpp | csharp | java | python | javanano | objectivec | ruby) ;;
*) AC_MSG_FAILURE([unknown language: $DIST_LANG]) ;;
esac
AC_SUBST(DIST_LANG)
# autoconf's default CXXFLAGS are usually "-g -O2". These aren't necessarily
# the best choice for libprotobuf.
AS_IF([test "x${ac_cv_env_CFLAGS_set}" = "x"],
[CFLAGS=""])
AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],
[CXXFLAGS=""])
AC_CANONICAL_TARGET
AM_INIT_AUTOMAKE([1.9 tar-ustar subdir-objects])
AC_ARG_WITH([zlib],
[AS_HELP_STRING([--with-zlib],
[include classes for streaming compressed data in and out @<:@default=check@:>@])],
[],[with_zlib=check])
AC_ARG_WITH([protoc],
[AS_HELP_STRING([--with-protoc=COMMAND],
[use the given protoc command instead of building a new one when building tests (useful for cross-compiling)])],
[],[with_protoc=no])
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_LANG([C++])
ACX_USE_SYSTEM_EXTENSIONS
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
AM_CONDITIONAL(GCC, test "$GCC" = yes) # let the Makefile know if we're gcc
# test_util.cc takes forever to compile with GCC and optimization turned on.
AC_MSG_CHECKING([C++ compiler flags...])
AS_IF([test "x${ac_cv_env_CXXFLAGS_set}" = "x"],[
AS_IF([test "$GCC" = "yes"],[
PROTOBUF_OPT_FLAG="-O2"
CXXFLAGS="${CXXFLAGS} -g"
])
# Protocol Buffers contains several checks that are intended to be used only
# for debugging and which might hurt performance. Most users are probably
# end users who don't want these checks, so add -DNDEBUG by default.
CXXFLAGS="$CXXFLAGS -DNDEBUG"
AC_MSG_RESULT([use default: $PROTOBUF_OPT_FLAG $CXXFLAGS])
],[
AC_MSG_RESULT([use user-supplied: $CXXFLAGS])
])
AC_SUBST(PROTOBUF_OPT_FLAG)
ACX_CHECK_SUNCC
# Have to do libtool after SUNCC, other wise it "helpfully" adds Crun Cstd
# to the link
AC_PROG_LIBTOOL
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h inttypes.h limits.h stdlib.h unistd.h])
# Checks for library functions.
AC_FUNC_MEMCMP
AC_FUNC_STRTOD
AC_CHECK_FUNCS([ftruncate memset mkdir strchr strerror strtol])
# Check for zlib.
HAVE_ZLIB=0
AS_IF([test "$with_zlib" != no], [
AC_MSG_CHECKING([zlib version])
# First check the zlib header version.
AC_COMPILE_IFELSE(
[AC_LANG_PROGRAM([[
#include <zlib.h>
#if !defined(ZLIB_VERNUM) || (ZLIB_VERNUM < 0x1204)
# error zlib version too old
#endif
]], [])], [
AC_MSG_RESULT([ok (1.2.0.4 or later)])
# Also need to add -lz to the linker flags and make sure this succeeds.
AC_SEARCH_LIBS([zlibVersion], [z], [
AC_DEFINE([HAVE_ZLIB], [1], [Enable classes using zlib compression.])
HAVE_ZLIB=1
], [
AS_IF([test "$with_zlib" != check], [
AC_MSG_FAILURE([--with-zlib was given, but no working zlib library was found])
])
])
], [
AS_IF([test "$with_zlib" = check], [
AC_MSG_RESULT([headers missing or too old (requires 1.2.0.4)])
], [
AC_MSG_FAILURE([--with-zlib was given, but zlib headers were not present or were too old (requires 1.2.0.4)])
])
])
])
AM_CONDITIONAL([HAVE_ZLIB], [test $HAVE_ZLIB = 1])
AS_IF([test "$with_protoc" != "no"], [
PROTOC=$with_protoc
AS_IF([test "$with_protoc" = "yes"], [
# No argument given. Use system protoc.
PROTOC=protoc
])
AS_IF([echo "$PROTOC" | grep -q '^@<:@^/@:>@.*/'], [
# Does not start with a slash, but contains a slash. So, it's a relative
# path (as opposed to an absolute path or an executable in $PATH).
# Since it will actually be executed from the src directory, prefix with
# the current directory. We also insert $ac_top_build_prefix in case this
# is a nested package and --with-protoc was actually given on the outer
# package's configure script.
PROTOC=`pwd`/${ac_top_build_prefix}$PROTOC
])
AC_SUBST([PROTOC])
])
AM_CONDITIONAL([USE_EXTERNAL_PROTOC], [test "$with_protoc" != "no"])
ACX_PTHREAD
AM_CONDITIONAL([HAVE_PTHREAD], [test "x$acx_pthread_ok" = "xyes"])
# We still keep this for improving pbconfig.h for unsupported platforms.
AC_CXX_STL_HASH
case "$target_os" in
mingw* | cygwin* | win*)
;;
*)
# Need to link against rt on Solaris
AC_SEARCH_LIBS([sched_yield], [rt], [], [AC_MSG_FAILURE([sched_yield was not found on your system])])
;;
esac
# HACK: Make gmock's configure script pick up our copy of CFLAGS and CXXFLAGS,
# since the flags added by ACX_CHECK_SUNCC must be used when compiling gmock
# too.
export CFLAGS
export CXXFLAGS
AC_CONFIG_SUBDIRS([gmock])
AC_CONFIG_FILES([Makefile src/Makefile conformance/Makefile protobuf.pc protobuf-lite.pc])
AC_OUTPUT
|
