mirror of
https://github.com/tmate-io/tmate.git
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101 lines
2.7 KiB
Plaintext
101 lines
2.7 KiB
Plaintext
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AC_INIT(src/object.cpp)
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AC_CONFIG_AUX_DIR(ac)
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AM_INIT_AUTOMAKE(msgpack, 0.5.7)
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AC_CONFIG_HEADER(config.h)
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AC_SUBST(CFLAGS)
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CFLAGS="-O3 -Wall $CFLAGS"
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AC_SUBST(CXXFLAGS)
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CXXFLAGS="-O3 -Wall $CXXFLAGS"
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AC_PROG_CC
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AC_MSG_CHECKING([if C++ API is enabled])
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AC_ARG_ENABLE(cxx,
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AS_HELP_STRING([--disable-cxx],
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[don't build C++ API]) ) #'
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AC_MSG_RESULT([$enable_cxx])
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if test "$enable_cxx" != "no"; then
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AC_PROG_CXX
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AM_PROG_CC_C_O
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fi
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AM_CONDITIONAL(ENABLE_CXX, test "$enable_cxx" != "no")
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AC_PROG_LIBTOOL
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AM_PROG_AS
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AC_MSG_CHECKING([if debug option is enabled])
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AC_ARG_ENABLE(debug,
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AS_HELP_STRING([--disable-debug],
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[disable assert macros and omit -g option]) )
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AC_MSG_RESULT([$enable_debug])
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if test "$enable_debug" != "no"; then
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CXXFLAGS="$CXXFLAGS -g"
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CFLAGS="$CFLAGS -g"
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else
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CXXFLAGS="$CXXFLAGS -DNDEBUG"
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CFLAGS="$CFLAGS -DNDEBUG"
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fi
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AC_CACHE_CHECK([for __sync_* atomic operations], msgpack_cv_atomic_ops, [
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AC_TRY_LINK([
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int atomic_sub(int i) { return __sync_sub_and_fetch(&i, 1); }
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int atomic_add(int i) { return __sync_add_and_fetch(&i, 1); }
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], [atomic_sub(1); atomic_add(1);], msgpack_cv_atomic_ops="yes")
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])
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if test "$msgpack_cv_atomic_ops" != "yes"; then
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if test "$enable_cxx" = "no"; then
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AC_MSG_ERROR([__sync_* atomic operations are not found. Try to enable C++ support.
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If you are using gcc >= 4.1 and the default target CPU architecture is "i386", try to
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add CFLAGS="-march=i686" and CXXFLAGS="-march=i686" options to ./configure as follows:
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$ ./configure CFLAGS="-march=i686" CXXFLAGS="-march=i686"
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])
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fi
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AC_LANG_PUSH([C++])
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AC_CACHE_CHECK([for __gnu_cxx::__exchange_and_add], msgpack_cv_gcc_cxx_atomic_ops, [
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AC_TRY_LINK([
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#include <bits/atomicity.h>
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int atomic_sub(int i) { return __gnu_cxx::__exchange_and_add(&i, -1) - 1; }
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int atomic_add(int i) { return __gnu_cxx::__exchange_and_add(&i, 1) + 1; }
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], [atomic_sub(1); atomic_add(1);], msgpack_cv_gcc_cxx_atomic_ops="yes")
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])
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AC_LANG_POP([C++])
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if test "$msgpack_cv_gcc_cxx_atomic_ops" != "yes"; then
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AC_MSG_ERROR([__sync_* atomic operations nor __gnu_cxx::__exchange_and_add are not found.
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If you are using gcc >= 4.1 and the default target CPU architecture is "i386", try to
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add CFLAGS="-march=i686" and CXXFLAGS="-march=i686" options to ./configure as follows:
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$ ./configure CFLAGS="-march=i686" CXXFLAGS="-march=i686"
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])
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else
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enable_gcc_cxx_atomic=yes
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fi
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fi
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AM_CONDITIONAL(ENABLE_GCC_CXX_ATOMIC, test "$enable_gcc_cxx_atomic" = "yes")
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major=`echo $VERSION | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\1/'`
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minor=`echo $VERSION | sed 's/\([[0-9]]*\)\.\([[0-9]]*\).*/\2/'`
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AC_SUBST(VERSION_MAJOR, $major)
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AC_SUBST(VERSION_MINOR, $minor)
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AC_OUTPUT([Makefile
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msgpack.pc
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src/Makefile
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src/msgpack/version.h
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test/Makefile])
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