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AC_INIT([tp], [0.1], [the_jk@yahoo.com])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([dist-bzip2 foreign])
AM_SILENT_RULES([yes])
AC_PROG_CXX
AC_PROG_RANLIB
AM_PROG_CC_C_O
AC_LANG([C++])
DEFINES=
# Test c++11
OLDCXXFLAGS="$CXXFLAGS"
# Check if it just works with -std=c++11
# The code below was choosen because if you mix a compiler that is C++11
# compatible with a libc++ that isn't fully (like clang 3.3 with gcc 4.6
# libstdcxx) you get errors because of a missing copy constructor for
# std::shared_ptr. Add more tests as we find them.
CXXFLAGS="-std=c++11 $CXXFLAGS"
AC_MSG_CHECKING([for C++11 using (-std=c++11)])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <memory>
]],[[
std::shared_ptr<int> i(new int(5));
std::shared_ptr<int> j(i);
]])],
[AC_MSG_RESULT([yes])
DEFINES="$DEFINES -std=c++11"],
[AC_MSG_RESULT([no])
CXXFLAGS="-std=c++11 -stdlib=libc++ $CXXFLAGS"
AC_MSG_CHECKING([for C++11 using (-std=c++11 -stdlib=libc++)])
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <memory>
]],[[
std::shared_ptr<int> i(new int(5));
std::shared_ptr<int> j(i);
]])],
[AC_MSG_RESULT([yes])
DEFINES="$DEFINES -std=c++11 -stdlib=libc++"],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([No working C++11 support])])])
CXXFLAGS="$OLDCXXFLAGS"
AX_CXXFLAGS_WARN_ALL([DEFINES])
AX_APPEND_COMPILE_FLAGS([-fno-rtti -fno-exceptions],DEFINES)
AX_APPEND_COMPILE_FLAGS([-Wextra -Wno-unused-parameter -Wno-missing-field-initializers],DEFINES)
AC_ARG_ENABLE([debug], AC_HELP_STRING([compile with debug options]),
if test "x$enableval" = "xyes"; then
DEFINES="$DEFINES -g -O0 -DDEBUG"
else
DEFINES="$DEFINES -DNDEBUG"
fi)
AC_SUBST([DEFINES])
AX_GCC_VAR_ATTRIBUTE([unused])
AX_GCC_FUNC_ATTRIBUTE([format])
AC_CHECK_HEADERS([sys/ioctl.h])
# Thread
THREAD_CFLAGS=-pthread
THREAD_LIBS=
AC_SUBST([THREAD_CFLAGS])
AC_SUBST([THREAD_LIBS])
# Finish up
AC_CONFIG_HEADERS([src/config.h])
AC_OUTPUT([Makefile src/Makefile test/Makefile])
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