michael@0: dnl Process this file with autoconf to produce a configure script.
michael@0: AC_INIT(srtp)
michael@0: 
michael@0: dnl Must come before AC_PROG_CC
michael@0: if test -z "$CFLAGS"; then
michael@0:    dnl Default value for CFLAGS if not specified.
michael@0:    CFLAGS="-Wall -O4 -fexpensive-optimizations -funroll-loops"
michael@0: fi
michael@0: 
michael@0: dnl Checks for programs.
michael@0: AC_PROG_RANLIB
michael@0: AC_PROG_CC
michael@0: AC_PROG_INSTALL
michael@0: 
michael@0: dnl Check the byte order
michael@0: AC_C_BIGENDIAN
michael@0: 
michael@0: AC_CANONICAL_HOST
michael@0: 
michael@0: dnl check host_cpu type, set defines appropriately
michael@0: case $host_cpu in
michael@0:      i*86 | x86_64 )
michael@0: 	AC_DEFINE(CPU_CISC, 1,
michael@0: 	   [Define if building for a CISC machine (e.g. Intel).])
michael@0:         AC_DEFINE(HAVE_X86, 1,
michael@0: 	   [Define to use X86 inlined assembly code]);; 
michael@0: 	* )
michael@0: 	# CPU_RISC is only supported for big endian machines.
michael@0: 	if test "$ac_cv_c_bigendian" = "yes"; then
michael@0: 	   AC_DEFINE(CPU_RISC, 1,
michael@0: 	    [Define if building for a RISC machine (assume slow byte access).])
michael@0: 	else
michael@0: 	   AC_DEFINE(CPU_CISC, 1)
michael@0: 	fi
michael@0: 	;;
michael@0: esac	
michael@0: 
michael@0: dnl Check if we are on a Windows platform.
michael@0: case $host_os in
michael@0:     *cygwin*|*mingw* ) 
michael@0: 	EXE=.exe
michael@0: 	HOST_IS_WINDOWS=yes
michael@0: 	;;
michael@0:     * )
michael@0: 	EXE=""
michael@0: 	;;
michael@0: esac
michael@0: AC_SUBST(EXE)   # define executable suffix; this is needed for `make clean'
michael@0: 
michael@0: 
michael@0: AC_ARG_ENABLE(kernel-linux,
michael@0:   [AS_HELP_STRING([--enable-kernel-linux],
michael@0: 		  [build library to run in Linux kernel context])],
michael@0:   [], enable_kernel_linux=no)
michael@0: AC_MSG_CHECKING(whether to build for Linux kernel context)
michael@0: if test "$enable_kernel_linux" = "yes"; then
michael@0:    AC_DEFINE(SRTP_KERNEL, 1,
michael@0: 	[Define to compile for kernel contexts.])
michael@0:    AC_DEFINE(SRTP_KERNEL_LINUX, 1,
michael@0: 	[Define to compile for Linux kernel context.])
michael@0: fi
michael@0: AC_MSG_RESULT($enable_kernel_linux)
michael@0: 
michael@0: if test "$cross_compiling" != yes -a "$HOST_IS_WINDOWS" != yes; then
michael@0:    dnl Check for /dev/urandom
michael@0:    AC_CHECK_FILE(/dev/urandom, DEV_URANDOM=/dev/urandom,
michael@0:       [AC_CHECK_FILE(/dev/random, DEV_URANDOM=/dev/random)])
michael@0: fi
michael@0: 
michael@0: AC_MSG_CHECKING(which random device to use)
michael@0: if test "$enable_kernel_linux" = "yes"; then
michael@0:    RNG_OBJS=rand_linux_kernel.o
michael@0:    AC_MSG_RESULT([Linux kernel builtin])
michael@0: else
michael@0:    RNG_OBJS=rand_source.o
michael@0:    if test -n "$DEV_URANDOM"; then
michael@0:       AC_DEFINE_UNQUOTED(DEV_URANDOM, "$DEV_URANDOM",[Path to random device])
michael@0:       AC_MSG_RESULT([$DEV_URANDOM])
michael@0:    else
michael@0:       AC_MSG_RESULT([standard rand() function...])
michael@0:    fi
michael@0: fi
michael@0: AC_SUBST(RNG_OBJS)
michael@0: 
michael@0: 
michael@0: dnl Checks for header files.
michael@0: AC_HEADER_STDC
michael@0: AC_CHECK_HEADERS(stdlib.h)
michael@0: AC_CHECK_HEADERS(unistd.h)
michael@0: AC_CHECK_HEADERS(byteswap.h)
michael@0: AC_CHECK_HEADERS(stdint.h)
michael@0: AC_CHECK_HEADERS(sys/uio.h)
michael@0: AC_CHECK_HEADERS(inttypes.h)
michael@0: AC_CHECK_HEADERS(sys/types.h)
michael@0: AC_CHECK_HEADERS(machine/types.h)
michael@0: AC_CHECK_HEADERS(sys/int_types.h)
michael@0: 
michael@0: dnl socket() and friends
michael@0: AC_CHECK_HEADERS(sys/socket.h netinet/in.h arpa/inet.h)
michael@0: AC_CHECK_HEADERS(windows.h, [AC_CHECK_HEADERS(winsock2.h)])
michael@0: 
michael@0: AC_CHECK_HEADERS(syslog.h)
michael@0: 
michael@0: AC_CHECK_TYPES([int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,uint64_t])
michael@0: AC_CHECK_SIZEOF(unsigned long)
michael@0: AC_CHECK_SIZEOF(unsigned long long)
michael@0: 
michael@0: dnl Checks for typedefs, structures, and compiler characteristics.
michael@0: AC_C_CONST
michael@0: AC_C_INLINE
michael@0: AC_TYPE_SIZE_T
michael@0: 
michael@0: dnl Checks for library functions.
michael@0: AC_CHECK_FUNCS(socket inet_aton usleep sigaction)
michael@0: 
michael@0: dnl Find socket function if not found yet.
michael@0: if test "x$ac_cv_func_socket" = "xno"; then
michael@0:   AC_CHECK_LIB(socket, socket)
michael@0:   AC_MSG_CHECKING([for socket in -lwsock32])
michael@0:   SAVELIBS="$LIBS"
michael@0:   LIBS="$LIBS -lwsock32"
michael@0:   AC_TRY_LINK([
michael@0: #include <winsock2.h>
michael@0: ],[
michael@0: socket(0, 0, 0);
michael@0: ],
michael@0:     ac_cv_func_socket=yes
michael@0:     AC_MSG_RESULT(yes),
michael@0:     LIBS="$SAVELIBS"
michael@0:     AC_MSG_RESULT(no))
michael@0: fi
michael@0: 
michael@0: AC_MSG_CHECKING(whether to compile in debugging)
michael@0: AC_ARG_ENABLE(debug,
michael@0:   [AS_HELP_STRING([--disable-debug],
michael@0: 		  [do not compile in dynamic debugging system])],
michael@0:   [], enable_debug=yes)
michael@0: if test "$enable_debug" = "yes"; then
michael@0:    AC_DEFINE(ENABLE_DEBUGGING, 1,
michael@0:       [Define to compile in dynamic debugging system.])
michael@0: fi
michael@0: AC_MSG_RESULT($enable_debug)
michael@0: 
michael@0: AC_MSG_CHECKING(whether to use ISMAcryp code)
michael@0: AC_ARG_ENABLE(generic-aesicm,
michael@0:   [AS_HELP_STRING([--enable-generic-aesicm],
michael@0: 		  [compile in changes for ISMAcryp])],
michael@0:   [], enable_generic_aesicm=no)
michael@0: if test "$enable_generic_aesicm" = "yes"; then
michael@0:    AC_DEFINE(GENERIC_AESICM, 1, [Define this to use ISMAcryp code.])
michael@0: fi
michael@0: AC_MSG_RESULT($enable_generic_aesicm)
michael@0: 
michael@0: AC_MSG_CHECKING(whether to use syslog for error reporting)
michael@0: AC_ARG_ENABLE(syslog,
michael@0:   [AS_HELP_STRING([--enable-syslog], [use syslog for error reporting])],
michael@0:   [], enable_syslog=no)
michael@0: if test "$enable_syslog" = "yes"; then
michael@0:    AC_DEFINE(USE_SYSLOG, 1, [Define to use syslog logging.])
michael@0: fi
michael@0: AC_MSG_RESULT($enable_syslog)
michael@0: 
michael@0: AC_MSG_CHECKING(whether to use stdout for error reporting)
michael@0: AC_ARG_ENABLE(stdout,
michael@0:   [AS_HELP_STRING([--disable-stdout], [don't use stdout for error reporting])],
michael@0:   [], enable_stdout=yes)
michael@0: if test "$enable_stdout" = "yes"; then
michael@0:    AC_DEFINE(ERR_REPORTING_STDOUT, 1, [Define to use logging to stdout.])
michael@0: fi
michael@0: AC_MSG_RESULT($enable_stdout)
michael@0: 
michael@0: AC_MSG_CHECKING(whether to use /dev/console for error reporting)
michael@0: AC_ARG_ENABLE(console,
michael@0:   [AS_HELP_STRING([--enable-console], [use /dev/console for error reporting])],
michael@0:   [], enable_console=no)
michael@0: if test "$enable_console" = "yes"; then
michael@0:    AC_DEFINE(USE_ERR_REPORTING_FILE, 1, [Write errors to this file])
michael@0:    AC_DEFINE(ERR_REPORTING_FILE, "/dev/console", [Report errors to this file.])
michael@0: fi
michael@0: AC_MSG_RESULT($enable_console)
michael@0: 
michael@0: AC_MSG_CHECKING(whether to use GDOI key management)
michael@0: AC_ARG_ENABLE(gdoi,
michael@0:   [AS_HELP_STRING([--enable-gdoi], [enable GDOI key management])],
michael@0:   [], enable_gdoi=no)
michael@0: if test "$enable_gdoi" = "yes"; then
michael@0:    AC_DEFINE(SRTP_GDOI, 1, [Define to use GDOI.])
michael@0:    GDOI_OBJS=gdoi/srtp+gdoi.o
michael@0:    AC_SUBST(GDOI_OBJS)                              
michael@0: fi
michael@0: AC_MSG_RESULT($enable_gdoi)
michael@0: 
michael@0: AC_CONFIG_HEADER(crypto/include/config.h:config_in.h)
michael@0: 
michael@0: AC_OUTPUT(Makefile crypto/Makefile doc/Makefile)
michael@0: 
michael@0: # This is needed when building outside the source dir.
michael@0: AS_MKDIR_P(crypto/ae_xfm)
michael@0: AS_MKDIR_P(crypto/cipher)
michael@0: AS_MKDIR_P(crypto/hash)
michael@0: AS_MKDIR_P(crypto/kernel)
michael@0: AS_MKDIR_P(crypto/math)
michael@0: AS_MKDIR_P(crypto/replay)
michael@0: AS_MKDIR_P(crypto/rng)
michael@0: AS_MKDIR_P(crypto/test)
michael@0: AS_MKDIR_P(doc)
michael@0: AS_MKDIR_P(srtp)
michael@0: AS_MKDIR_P(tables)
michael@0: AS_MKDIR_P(test)