dnl Process this file with autoconf to produce a configure script. AC_INIT([libsrtp], [1.5.4], [https://github.com/cisco/libsrtp/issues]) dnl Must come before AC_PROG_CC if test -z "$CFLAGS"; then dnl Default value for CFLAGS if not specified. CFLAGS="-fPIC -Wall -O4 -fexpensive-optimizations -funroll-loops" fi dnl Checks for programs. AM_PROG_AR AC_PROG_RANLIB AC_PROG_CC AC_PROG_INSTALL dnl Check the byte order AC_C_BIGENDIAN AC_CANONICAL_HOST dnl check host_cpu type, set defines appropriately case $host_cpu in i*86 | x86_64 ) AC_DEFINE(CPU_CISC, 1, [Define if building for a CISC machine (e.g. Intel).]) AC_DEFINE(HAVE_X86, 1, [Define to use X86 inlined assembly code]);; * ) AC_DEFINE(CPU_RISC, 1, [Define if building for a RISC machine (assume slow byte access).]) ;; esac dnl Check if we are on a Windows platform. case $host_os in *cygwin*|*mingw* ) EXE=.exe HOST_IS_WINDOWS=yes ;; * ) EXE="" ;; esac AC_SUBST(EXE) # define executable suffix; this is needed for `make clean' AC_ARG_ENABLE(kernel-linux, [AS_HELP_STRING([--enable-kernel-linux], [build library to run in Linux kernel context])], [], enable_kernel_linux=no) AC_MSG_CHECKING(whether to build for Linux kernel context) if test "$enable_kernel_linux" = "yes"; then AC_DEFINE(SRTP_KERNEL, 1, [Define to compile for kernel contexts.]) AC_DEFINE(SRTP_KERNEL_LINUX, 1, [Define to compile for Linux kernel context.]) fi AC_MSG_RESULT($enable_kernel_linux) if test "$cross_compiling" != yes -a "$HOST_IS_WINDOWS" != yes; then dnl Check for /dev/urandom AC_CHECK_FILE(/dev/urandom, DEV_URANDOM=/dev/urandom, [AC_CHECK_FILE(/dev/random, DEV_URANDOM=/dev/random)]) fi dnl Checks for header files. AC_HEADER_STDC AC_CHECK_HEADERS(stdlib.h) AC_CHECK_HEADERS(unistd.h) AC_CHECK_HEADERS(byteswap.h) AC_CHECK_HEADERS(stdint.h) AC_CHECK_HEADERS(sys/uio.h) AC_CHECK_HEADERS(inttypes.h) AC_CHECK_HEADERS(sys/types.h) AC_CHECK_HEADERS(machine/types.h) AC_CHECK_HEADERS(sys/int_types.h) dnl socket() and friends AC_CHECK_HEADERS(sys/socket.h netinet/in.h arpa/inet.h) AC_CHECK_HEADERS(windows.h, [AC_CHECK_HEADERS(winsock2.h)]) AC_CHECK_HEADERS(syslog.h) AC_CHECK_TYPES([int8_t,uint8_t,int16_t,uint16_t,int32_t,uint32_t,uint64_t]) AC_CHECK_SIZEOF(unsigned long) AC_CHECK_SIZEOF(unsigned long long) dnl Checks for typedefs, structures, and compiler characteristics. AC_C_CONST AC_C_INLINE AC_TYPE_SIZE_T dnl Checks for library functions. AC_CHECK_FUNCS(socket inet_aton usleep sigaction) dnl Find socket function if not found yet. if test "x$ac_cv_func_socket" = "xno"; then AC_CHECK_LIB(socket, socket) AC_MSG_CHECKING([for socket in -lwsock32]) SAVELIBS="$LIBS" LIBS="$LIBS -lwsock32" AC_TRY_LINK([ #include ],[ socket(0, 0, 0); ], ac_cv_func_socket=yes AC_MSG_RESULT(yes), LIBS="$SAVELIBS" AC_MSG_RESULT(no)) fi AC_MSG_CHECKING(whether to compile in debugging) AC_ARG_ENABLE(debug, [AS_HELP_STRING([--disable-debug], [do not compile in dynamic debugging system])], [], enable_debug=yes) if test "$enable_debug" = "yes"; then AC_DEFINE(ENABLE_DEBUGGING, 1, [Define to compile in dynamic debugging system.]) fi AC_MSG_RESULT($enable_debug) AC_MSG_CHECKING(whether to use ISMAcryp code) AC_ARG_ENABLE(generic-aesicm, [AS_HELP_STRING([--enable-generic-aesicm], [compile in changes for ISMAcryp])], [], enable_generic_aesicm=no) if test "$enable_generic_aesicm" = "yes"; then AC_DEFINE(GENERIC_AESICM, 1, [Define this to use ISMAcryp code.]) fi AC_MSG_RESULT($enable_generic_aesicm) AC_MSG_CHECKING(whether to leverage OpenSSL crypto) AC_ARG_ENABLE(openssl, [AS_HELP_STRING([--enable-openssl], [compile in OpenSSL crypto engine])], [], enable_openssl=no) AC_MSG_RESULT($enable_openssl) if test "$enable_openssl" = "yes"; then LDFLAGS="$LDFLAGS $(pkg-config --libs openssl)"; CFLAGS="$CFLAGS $(pkg-config --cflags openssl)"; AC_CHECK_LIB([dl], [dlopen], [], [AC_MSG_WARN([can't find libdl])]) AC_CHECK_LIB([z], [inflate], [], [AC_MSG_WARN([can't find libz])]) AC_CHECK_LIB([crypto], [EVP_EncryptInit], [], [AC_MSG_FAILURE([can't find openssl >1.0.1 crypto lib])]) AC_CHECK_LIB([crypto], [EVP_aes_128_ctr], [], [AC_MSG_FAILURE([can't find openssl >1.0.1 crypto lib])]) AC_CHECK_LIB([crypto], [EVP_aes_128_gcm], [], [AC_MSG_FAILURE([can't find openssl >1.0.1 crypto lib])]) AC_DEFINE(OPENSSL, 1, [Define this to use OpenSSL crypto.]) AES_ICM_OBJS="crypto/cipher/aes_icm_ossl.o crypto/cipher/aes_gcm_ossl.o" RNG_OBJS=rand_source_ossl.o HMAC_OBJS=crypto/hash/hmac_ossl.o USE_OPENSSL=1 AC_SUBST(USE_OPENSSL) else AES_ICM_OBJS="crypto/cipher/aes_icm.o crypto/cipher/aes.o crypto/cipher/aes_cbc.o" AC_MSG_CHECKING(which random device to use) if test "$enable_kernel_linux" = "yes"; then RNG_OBJS=rand_linux_kernel.o AC_MSG_RESULT([Linux kernel builtin]) else RNG_OBJS=rand_source.o if test -n "$DEV_URANDOM"; then AC_DEFINE_UNQUOTED(DEV_URANDOM, "$DEV_URANDOM",[Path to random device]) AC_MSG_RESULT([$DEV_URANDOM]) else AC_MSG_RESULT([standard rand() function...]) fi fi RNG_EXTRA_OBJS="crypto/rng/prng.o crypto/rng/ctr_prng.o" HMAC_OBJS="crypto/hash/hmac.o crypto/hash/sha1.o" fi AC_SUBST(AES_ICM_OBJS) AC_SUBST(RNG_OBJS) AC_SUBST(RNG_EXTRA_OBJS) AC_SUBST(HMAC_OBJS) dnl Checking for PCAP AC_CHECK_LIB([pcap],[pcap_create], [PCAP=1 LIBS="-lpcap $LIBS" HAVE_PCAP=1 AC_DEFINE(HAVE_PCAP, 1, [Define to 1 if you have the `pcap' library (-lpcap)]) AC_SUBST(HAVE_PCAP) ]) AC_MSG_CHECKING(whether to use syslog for error reporting) AC_ARG_ENABLE(syslog, [AS_HELP_STRING([--enable-syslog], [use syslog for error reporting])], [], enable_syslog=no) if test "$enable_syslog" = "yes"; then AC_DEFINE(USE_SYSLOG, 1, [Define to use syslog logging.]) fi AC_MSG_RESULT($enable_syslog) AC_MSG_CHECKING(whether to use stdout for error reporting) AC_ARG_ENABLE(stdout, [AS_HELP_STRING([--disable-stdout], [don't use stdout for error reporting])], [], enable_stdout=yes) if test "$enable_stdout" = "yes"; then AC_DEFINE(ERR_REPORTING_STDOUT, 1, [Define to use logging to stdout.]) fi AC_MSG_RESULT($enable_stdout) AC_MSG_CHECKING(whether to use /dev/console for error reporting) AC_ARG_ENABLE(console, [AS_HELP_STRING([--enable-console], [use /dev/console for error reporting])], [], enable_console=no) if test "$enable_console" = "yes"; then AC_DEFINE(USE_ERR_REPORTING_FILE, 1, [Write errors to this file]) AC_DEFINE(ERR_REPORTING_FILE, "/dev/console", [Report errors to this file.]) fi AC_MSG_RESULT($enable_console) AC_MSG_CHECKING(whether to use GDOI key management) AC_ARG_ENABLE(gdoi, [AS_HELP_STRING([--enable-gdoi], [enable GDOI key management])], [], enable_gdoi=no) if test "$enable_gdoi" = "yes"; then AC_DEFINE(SRTP_GDOI, 1, [Define to use GDOI.]) GDOI_OBJS=gdoi/srtp+gdoi.o AC_SUBST(GDOI_OBJS) fi AC_MSG_RESULT($enable_gdoi) AC_CONFIG_HEADER(crypto/include/config.h:config_in.h) AC_CHECK_PROG(PKG_CONFIG, pkg-config, yes) if test "x$PKG_CONFIG" != "x"; then HAVE_PKG_CONFIG=1 AC_CONFIG_FILES([libsrtp.pc]) else HAVE_PKG_CONFIG=0 fi AC_SUBST(HAVE_PKG_CONFIG) AC_CONFIG_FILES([Makefile crypto/Makefile doc/Makefile]) AC_OUTPUT # This is needed when building outside the source dir. AS_MKDIR_P(crypto/ae_xfm) AS_MKDIR_P(crypto/cipher) AS_MKDIR_P(crypto/hash) AS_MKDIR_P(crypto/kernel) AS_MKDIR_P(crypto/math) AS_MKDIR_P(crypto/replay) AS_MKDIR_P(crypto/rng) AS_MKDIR_P(crypto/test) AS_MKDIR_P(doc) AS_MKDIR_P(srtp) AS_MKDIR_P(tables) AS_MKDIR_P(test)