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| -rw-r--r-- | config/typecheck.m4 | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/config/typecheck.m4 b/config/typecheck.m4 new file mode 100644 index 0000000..a8a88b4 --- /dev/null +++ b/config/typecheck.m4 @@ -0,0 +1,103 @@ +dnl Taken from Unix Network Programming, W. Richard Stevens + +dnl ################################################################## +dnl We cannot use the AC_CHECK_TYPE macros becasue AC_CHECK_TYPE +dnl #includes only <sys/types.h>, <stdlib.h>, and <stddef.h>. +dnl Unfortunately, many implementations today hide typedefs in wierd +dnl locations: Solaris 2.5.1 has uint8_t and uint32_t in <pthread.h>. +dnl SunOS 4.1.x has int8_t in <sys/bittypes.h>. +dnl So we define our own macro AC_UNP_CHECK_TYPE that does the same +dnl #includes as "unp.h", and then looks for the typedef. +dnl +dnl This macro should be invoked after all the header checks have been +dnl performed, since we #include "confdefs.h" below, and then use the +dnl HAVE_foo_H values that is can #define. +dnl +AC_DEFUN([AC_UNP_CHECK_TYPE], + [AC_MSG_CHECKING(if $1 defined) + AC_CACHE_VAL(ac_cv_type_$1, + [AC_TRY_COMPILE( +[ +#include "confdefs.h" /* the header built by configure so far */ +#ifdef HAVE_SYS_TYPES_H +# include <sys/types.h> +#endif +#ifdef HAVE_SYS_SOCKET_H +# include <sys/socket.h> +#endif +#ifdef HAVE_SYS_TIME_H +# include <sys/time.h> +#endif +#ifdef HAVE_NETINET_IN_H +# include <netinet/in.h> +#endif +#ifdef HAVE_ARPA_INET_H +# include <arpa/inet.h> +#endif +#ifdef HAVE_ERRNO_H +# include <errno.h> +#endif +#ifdef HAVE_FCNTL_H +# include <fcntl.h> +#endif +#ifdef HAVE_NETDB_H +# include <netdb.h> +#endif +#ifdef HAVE_SIGNAL_H +# include <signal.h> +#endif +#ifdef HAVE_STDIO_H +# include <stdio.h> +#endif +#ifdef HAVE_STDLIB_H +# include <stdlib.h> +#endif +#ifdef HAVE_STRING_H +# include <string.h> +#endif +#ifdef HAVE_SYS_STAT_H +# include <sys/stat.h> +#endif +#ifdef HAVE_SYS_UIO_H +# include <sys/uio.h> +#endif +#ifdef HAVE_UNISTD_H +# include <unistd.h> +#endif +#ifdef HAVE_SYS_WAIT_H +# include <sys/wait.h> +#endif +#ifdef HAVE_SYS_UN_H +# include <sys/un.h> +#endif +#ifdef HAVE_SYS_SELECT_H +# include <sys/select.h> +#endif +#ifdef HAVE_STRINGS_H +# include <strings.h> +#endif +#ifdef HAVE_SYS_IOCTL_H +# include <sys/ioctl.h> +#endif +#ifdef HAVE_SYS_FILIO_H +# include <sys/filio.h> +#endif +#ifdef HAVE_SYS_SOCKIO_H +# include <sys/sockio.h> +#endif +#ifdef HAVE_PTHREAD_H +# include <pthread.h> +#endif +#ifdef HAVE_STDINT_H +# include <stdint.h> +#endif +], + [ $1 foo ], + [ac_cv_type_$1=yes], + [ac_cv_type_$1=no])]) + AC_MSG_RESULT([$ac_cv_type_$1]) + if test $ac_cv_type_$1 = no ; then + AH_TEMPLATE([$1], [Defined with the proper type.]) + AC_DEFINE($1, $2) + fi +])
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