diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac new file mode 100644 index 0000000..b9c437f --- /dev/null +++ b/configure.ac @@ -0,0 +1,133 @@ +AC_PREREQ(2.69) +AC_INIT([ptunnel-ng], [1.0.0], [], [], []) +AC_CONFIG_SRCDIR([src/config.h.in]) +AC_CONFIG_FILES([Makefile src/Makefile]) + +AC_CANONICAL_BUILD +AC_CANONICAL_HOST +if test x"$cross_compiling" != x"no"; then + HOST_PREFIX="${host_alias}-" + HOST_SUFFIX="-$host_alias" + if test x"${build_alias}" = x; then + AC_MSG_ERROR([Cross compile enabled but no --build *explicitly* specified. For example: --build=$(gcc -dumpmachine)]) + fi +else + HOST_PREFIX= + HOST_SUFFIX= +fi +case x"${host}" in + x*-*-cygwin* | x*-*-mingw32*) + dnl Some Windows includes required by third-party modules. + use_msw=yes + PROGRAM_EXT=".exe" + ;; +esac + +AM_SILENT_RULES([yes]) +AM_INIT_AUTOMAKE +AC_PROG_INSTALL +AC_C_CONST +AC_C_INLINE +AC_TYPE_SIZE_T +AC_CHECK_HEADER_STDBOOL +AC_FUNC_VPRINTF +AC_FUNC_MEMCMP + +dnl Check for std includes. +AC_CHECK_HEADERS([stdarg.h stdio.h unistd.h stdlib.h string.h stdint.h time.h signal.h assert.h],, + [AC_MSG_ERROR([Missing essential std headers.])]) +if test x"${use_msw}" != x"yes"; then + AC_CHECK_HEADERS([sys/unistd.h sys/types.h sys/socket.h netinet/in.h arpa/inet.h netdb.h pthread.h errno.h net/ethernet.h syslog.h pwd.h grp.h],, + [AC_MSG_ERROR([Missing essential non-Windows std headers.])]) + AC_SEARCH_LIBS([pthread_create], [pthread],, + [AC_MSG_ERROR([Missing pthread library.])],) + AC_CHECK_FUNCS([pthread_mutex_init pthread_mutex_lock pthread_mutex_unlock],, + [AC_MSG_ERROR([Missing essential pthread functions.])]) +else + AC_CHECK_HEADERS([winsock2.h windows.h ws2tcpip.h],, + [AC_MSG_ERROR([Missing essential Windows std headers.])]) +fi + +dnl Check timeval struct members. +AC_CHECK_MEMBER([struct timeval.tv_sec], [], + [AC_MSG_ERROR([Invalid \`struct timeval\` structure.])], + [[#include <sys/time.h>]]) +AC_CHECK_MEMBER([struct timeval.tv_usec], [], + [AC_MSG_ERROR([Invalid \`struct timeval\` structure.])], + [[#include <sys/time.h>]]) + +dnl Check size +AC_CHECK_SIZEOF(char) +AC_CHECK_SIZEOF(uint8_t) +AC_CHECK_SIZEOF(uint16_t) +AC_CHECK_SIZEOF(uint32_t) +AC_CHECK_SIZEOF(int) +if test $ac_cv_sizeof_char != "1" -o \ + $ac_cv_sizeof_uint8_t != "1" -o \ + $ac_cv_sizeof_uint16_t != "2" -o \ + $ac_cv_sizeof_uint32_t != "4" -o \ + $ac_cv_sizeof_int != "4"; then + AC_MSG_ERROR([Invalid type size.]) +fi + +AC_MSG_CHECKING([for __attribute__ ((packed))]) +AC_COMPILE_IFELSE( +[AC_LANG_PROGRAM([[ +#include <stdlib.h> +struct foo { + int num; + char *str; + void *ptr; +} __attribute__ ((packed)); +]], [])] +,[AC_MSG_RESULT([yes])] +,[AC_MSG_ERROR([Your compiler does not support \`__attribute__ ((packed))\`.])]) + +dnl Check for std functions. +AC_CHECK_FUNCS([malloc calloc free memcpy memset signal printf sprintf vsnprintf strerror strlen strncmp strstr strtol strtoul fopen fprintf gettimeofday close fclose exit],, + [AC_MSG_ERROR([Missing essential std functions.])]) + +dnl `--disable-pcap`: Enabled if found. +AC_ARG_ENABLE([pcap], + [AS_HELP_STRING([--disable-pcap], [Disable pcap support. (default: enabled if found)])],,[pcap_enabled=yes]) +pcap_enabled=$(echo ${pcap_enabled}) +case ${pcap_enabled} in + 1|y|yes) pcap_enabled=yes ;; + ''|0|n|no) pcap_enabled= ;; + *) AC_MSG_ERROR([Unknown option \`${pcap_enabled}\` for --disable-pcap]) ;; +esac + +dnl `--disable-selinux`: Enabled if found. +AC_ARG_ENABLE([selinux], + [AS_HELP_STRING([--disable-selinux], [Disable SELINUX support. (default: enabled if found)])],,[selinux_enabled=yes]) +selinux_enabled=$(echo ${selinux_enabled}) +case ${selinux_enabled} in + 1|y|yes) selinux_enabled=yes ;; + ''|0|n|no) selinux_enabled= ;; + *) AC_MSG_ERROR([Unknown option \`${selinux_enabled}\` for --disable-selinux]) ;; +esac + +dnl Check libcap headers/functions. +if test x"${pcap_enabled}" != x; then + AC_CHECK_HEADERS([pcap.h],, + [pcap_enabled=]) + AC_SEARCH_LIBS([pcap_lookupnet], [pcap],, + [pcap_enabled=],) + AC_CHECK_FUNCS([pcap_compile pcap_close pcap_setfilter pcap_dispatch],, + [pcap_enabled=]) +fi + +dnl Check for SELINUX +if test x"${selinux_enabled}" != x; then + AC_CHECK_HEADERS([selinux/selinux.h],, + [selinux_enabled=]) + AC_SEARCH_LIBS([setcon], [selinux],,[selinux_enabled=],) +fi + +dnl Set automake conf vars +AM_CONDITIONAL([HAVE_PCAP], [test x"${pcap_enabled}" = xyes]) +AM_CONDITIONAL([HAVE_SELINUX], [test x"${selinux_enabled}" = xyes]) + +dnl output config headers +AC_CONFIG_HEADERS([src/config.h:src/config.h.in]) +AC_OUTPUT |