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3b61581bcdfa046a5b15de356a9f8ad8b748ff9c
mosh/configure.ac
T
Keegan McAllister 3b61581bcd Make aligned allocation without posix_memalign more robust 
Instead of guessing the right function to use, we malloc() 15 bytes more than
we need, and compute the aligned offset within.  The AlignedBuffer class takes
care of passing the original pointer to free().
2012-04-06 23:43:41 -04:00

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ([2.61])
AC_INIT([mosh], [1.1.3], [mosh-devel@mit.edu])
AM_INIT_AUTOMAKE([-Wall -Werror foreign])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_SRCDIR([src/frontend/mosh-client.cc])
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_HEADERS([config.h])
# Checks for programs.
AC_PROG_CC
AC_PROG_CXX
AC_PROG_RANLIB
AC_PATH_PROG([PROTOC], [protoc], [AC_MSG_ERROR([protoc is not found])])
WARNING_CXXFLAGS=""
PICKY_CXXFLAGS=""
AC_ARG_ENABLE([compile-warnings],
[AS_HELP_STRING([--enable-compile-warnings@<:@=no/yes/maximum/error@:>@],
[Turn on compiler warnings])],
[case "$enableval" in
no)
;;
'' | yes)
WARNING_CXXFLAGS="-Wall"
;;
maximum)
WARNING_CXXFLAGS="-Wall"
PICKY_CXXFLAGS="-Wextra -pedantic -Wno-long-long -Weffc++"
;;
error)
WARNING_CXXFLAGS="-Wall -Werror"
PICKY_CXXFLAGS="-Wextra -pedantic -Wno-long-long -Weffc++"
;;
*)
AC_MSG_ERROR([Unknown argument '$enableval' to --enable-compile-warnings])
;;
esac],
[WARNING_CXXFLAGS="-Wall"])
AC_SUBST([WARNING_CXXFLAGS])
AC_SUBST([PICKY_CXXFLAGS])
AC_ARG_ENABLE([client],
[AS_HELP_STRING([--enable-client], [Build the mosh-client program @<:@yes@:>@])],
[build_client="$enableval"],
[build_client="yes"])
AM_CONDITIONAL([BUILD_CLIENT], [test x"$build_client" != xno])
AC_ARG_ENABLE([server],
[AS_HELP_STRING([--enable-server], [Build the mosh-server program @<:@yes@:>@])],
[build_server="$enableval"],
[build_server="yes"])
AM_CONDITIONAL([BUILD_SERVER], [test x"$build_server" != xno])
AC_ARG_ENABLE([examples],
[AS_HELP_STRING([--enable-examples], [Build the miscellaneous programs in src/examples @<:@no@:>@])],
[build_examples="$enableval"],
[build_examples="no"])
AM_CONDITIONAL([BUILD_EXAMPLES], [test x"$build_examples" != xno])
# Checks for libraries.
AC_ARG_WITH([utempter],
[AS_HELP_STRING([--with-utempter], [write utmp entries using libutempter @<:@check@:>@])],
[with_utempter="$withval"],
[with_utempter="check"])
AS_IF([test x"$with_utempter" != xno],
[AC_SEARCH_LIBS([utempter_remove_added_record], [utempter],
[AC_DEFINE([HAVE_UTEMPTER], [1], [Define if libutempter is available.])],
[AS_IF([test x"$with_utempter" = xcheck],
[AC_MSG_WARN([Unable to find libutempter; utmp entries will not be made.])],
[AC_MSG_ERROR([--with-utempter was given but libutempter was not found.])])])])
AC_SEARCH_LIBS([compress], [z], , [AC_MSG_ERROR([Unable to find zlib.])])
AX_BOOST_BASE(, , [AC_MSG_ERROR([Unable to find boost libraries.])])
AC_ARG_WITH([skalibs],
[AS_HELP_STRING([--with-skalibs[=DIR]],
[root directory of skalibs installation])],
[with_skalibs=$withval
AS_IF([test x"$withval" != xyes],
[SKALIBS_CPPFLAGS="-I$withval/include"
SKALIBS_LDFLAGS="-L$withval/lib"])],
[with_skalibs=no])
AC_ARG_WITH([skalibs-include],
[AS_HELP_STRING([--with-skalibs-include=DIR],
[specify exact include dir for skalibs headers])],
[SKALIBS_CPPFLAGS="-I$withval"])
AC_ARG_WITH([skalibs-libdir],
[AS_HELP_STRING([--with-skalibs-libdir=DIR],
[specify exact library dir for skalibs libraries])],
[SKALIBS_LDFLAGS="-L$withval"])
AM_CONDITIONAL([COND_THIRD_LIBSTDDJB], [test x"$with_skalibs" = xno])
AS_IF([test x"$with_skalibs" != xno],
[AX_CHECK_LIBRARY([SKALIBS], [selfpipe.h], [stddjb], [],
[AC_MSG_ERROR([Unable to find skalibs.])])
AC_SUBST([STDDJB_CPPFLAGS], ["$SKALIBS_CPPFLAGS"])
AC_SUBST([STDDJB_LDFLAGS], ["$SKALIBS_LDFLAGS -lstddjb"])])
# Checks for header files.
AC_CHECK_HEADERS([arpa/inet.h curses.h fcntl.h langinfo.h limits.h locale.h netinet/in.h stddef.h stdint.h stdlib.h string.h sys/ioctl.h sys/resource.h sys/socket.h sys/time.h term.h termios.h unistd.h wchar.h wctype.h], [], [AC_MSG_ERROR([Missing required header file.])])
AC_CHECK_HEADERS([pty.h util.h libutil.h])
AC_CHECK_HEADERS([endian.h sys/endian.h])
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_INLINE
AC_TYPE_INT64_T
AC_TYPE_PID_T
AC_C_RESTRICT
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_TYPE_UINT16_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
AC_TYPE_UINT8_T
AC_TYPE_UINTPTR_T
# Checks for library functions.
AC_FUNC_FORK
AC_FUNC_MBRTOWC
AC_CHECK_FUNCS([gettimeofday setrlimit inet_ntoa iswprint memchr memset nl_langinfo posix_memalign setenv setlocale sigaction socket strchr strdup strerror strtol wcwidth])
AC_SEARCH_LIBS([clock_gettime], [rt], [AC_DEFINE([HAVE_CLOCK_GETTIME], [1], [Define if clock_gettime is available.])])
AC_CHECK_LIB([ncurses], [setupterm], [], [AC_MSG_ERROR([Missing ncurses.])])
AC_ARG_VAR([poll_CFLAGS], [C compiler flags for poll])
AC_ARG_VAR([poll_LIBS], [linker flags for poll])
if test -z "$poll_LIBS"; then
AC_CHECK_LIB([poll], [poll], [poll_LIBS="-lpoll"])
fi
AC_CHECK_DECLS([__builtin_bswap64, __builtin_ctz])
AC_CHECK_DECL([mach_absolute_time],
[AC_DEFINE([HAVE_MACH_ABSOLUTE_TIME], [1],
[Define if mach_absolute_time is available.])],
, [[#include <mach/mach_time.h>]])
AC_CHECK_DECL([pipe2],
[AC_DEFINE([HAVE_PIPE2], [1],
[Define if pipe2 is available.])],
, [[#define _GNU_SOURCE
#include <unistd.h>]])
AC_CHECK_DECL([signalfd],
[AC_DEFINE([HAVE_SIGNALFD], [1],
[Define if signalfd is available.])],
, [[#include <sys/signalfd.h>]])
AC_CHECK_DECL([htobe64],
[AC_DEFINE([HAVE_HTOBE64], [1],
[Define if htobe64 and friends exist.])],
[AC_CHECK_DECL([OSSwapHostToBigInt64],
[AC_DEFINE([HAVE_OSX_SWAP], [1],
[Define if OSSwapHostToBigInt64 and friends exist.])],
[AC_MSG_ERROR([Unable to find byte swapping functions])],
[[#include <libkern/OSByteOrder.h>]])],
[[#if defined(HAVE_ENDIAN_H)
#include <endian.h>
#elif defined(HAVE_SYS_ENDIAN_H)
#include <sys/endian.h>
#endif]])
AC_CHECK_DECL([IP_MTU_DISCOVER],
[AC_DEFINE([HAVE_IP_MTU_DISCOVER], [1],
[Define if IP_MTU_DISCOVER is a valid sockopt.])],
, [[#include <netinet/ip.h>]])
AC_CHECK_DECL([__STDC_ISO_10646__],
[],
[AC_MSG_WARN([C library doesn't advertise wchar_t is Unicode (OS X works anyway with workaround).])],
[[#include <wchar.h>]])
AC_CHECK_DECL([IUTF8],
[AC_DEFINE([HAVE_IUTF8], [1],
[Define if IUTF8 is a defined termios mode.])],
[AC_MSG_WARN([No IUTF8 termios mode; character-erase of multibyte character sequence probably does not work properly in canonical mode on this platform.])],
[[#include <termios.h>]])
# Checks for protobuf
PKG_CHECK_MODULES([protobuf], [protobuf])
AC_CONFIG_FILES([
Makefile
third/Makefile
third/libstddjb/Makefile
src/Makefile
src/crypto/Makefile
src/frontend/Makefile
src/network/Makefile
src/protobufs/Makefile
src/statesync/Makefile
src/terminal/Makefile
src/util/Makefile
scripts/Makefile
src/examples/Makefile
man/Makefile
])
AC_OUTPUT
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