1b10e48a1f
Solaris 11 recently introduced a builtin arc4random in libc which fails the tests in "make check". Found USE_BUILTIN_ARC4RANDOM, but could not get it to work. Apparently, there is a typo in the configure logic rendering USE_BUILTIN_ARC4RANDOM ineffective.
99 lines
3.8 KiB
Plaintext
99 lines
3.8 KiB
Plaintext
AC_DEFUN([CHECK_LIBC_COMPAT], [
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# Check for libc headers
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AC_CHECK_HEADERS([err.h readpassphrase.h])
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# Check for general libc functions
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AC_CHECK_FUNCS([asprintf inet_pton memmem readpassphrase reallocarray])
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AC_CHECK_FUNCS([strlcat strlcpy strndup strnlen strsep strtonum])
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AC_CHECK_FUNCS([timegm _mkgmtime])
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AM_CONDITIONAL([HAVE_ASPRINTF], [test "x$ac_cv_func_asprintf" = xyes])
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AM_CONDITIONAL([HAVE_INET_PTON], [test "x$ac_cv_func_inet_pton" = xyes])
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AM_CONDITIONAL([HAVE_MEMMEM], [test "x$ac_cv_func_memmem" = xyes])
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AM_CONDITIONAL([HAVE_READPASSPHRASE], [test "x$ac_cv_func_readpassphrase" = xyes])
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AM_CONDITIONAL([HAVE_REALLOCARRAY], [test "x$ac_cv_func_reallocarray" = xyes])
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AM_CONDITIONAL([HAVE_STRLCAT], [test "x$ac_cv_func_strlcat" = xyes])
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AM_CONDITIONAL([HAVE_STRLCPY], [test "x$ac_cv_func_strlcpy" = xyes])
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AM_CONDITIONAL([HAVE_STRNDUP], [test "x$ac_cv_func_strndup" = xyes])
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AM_CONDITIONAL([HAVE_STRNLEN], [test "x$ac_cv_func_strnlen" = xyes])
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AM_CONDITIONAL([HAVE_STRSEP], [test "x$ac_cv_func_strsep" = xyes])
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AM_CONDITIONAL([HAVE_STRTONUM], [test "x$ac_cv_func_strtonum" = xyes])
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AM_CONDITIONAL([HAVE_TIMEGM], [test "x$ac_cv_func_timegm" = xyes])
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])
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AC_DEFUN([CHECK_SYSCALL_COMPAT], [
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AC_CHECK_FUNCS([accept4 pledge poll])
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AM_CONDITIONAL([HAVE_ACCEPT4], [test "x$ac_cv_func_accept4" = xyes])
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AM_CONDITIONAL([HAVE_PLEDGE], [test "x$ac_cv_func_pledge" = xyes])
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AM_CONDITIONAL([HAVE_POLL], [test "x$ac_cv_func_poll" = xyes])
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])
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AC_DEFUN([CHECK_B64_NTOP], [
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AC_SEARCH_LIBS([b64_ntop],[resolv])
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AC_SEARCH_LIBS([__b64_ntop],[resolv])
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AC_CACHE_CHECK([for b64_ntop], ac_cv_have_b64_ntop_arg, [
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <resolv.h>
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]], [[ b64_ntop(NULL, 0, NULL, 0); ]])],
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[ ac_cv_have_b64_ntop_arg="yes" ],
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[ ac_cv_have_b64_ntop_arg="no"
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])
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])
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AM_CONDITIONAL([HAVE_B64_NTOP], [test "x$ac_cv_func_b64_ntop_arg" = xyes])
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])
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AC_DEFUN([CHECK_CRYPTO_COMPAT], [
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# Check crypto-related libc functions and syscalls
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AC_CHECK_FUNCS([arc4random arc4random_buf arc4random_uniform])
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AC_CHECK_FUNCS([explicit_bzero getauxval getentropy])
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AC_CHECK_FUNCS([timingsafe_bcmp timingsafe_memcmp])
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AM_CONDITIONAL([HAVE_ARC4RANDOM], [test "x$ac_cv_func_arc4random" = xyes])
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AM_CONDITIONAL([HAVE_ARC4RANDOM_BUF], [test "x$ac_cv_func_arc4random_buf" = xyes])
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AM_CONDITIONAL([HAVE_ARC4RANDOM_UNIFORM], [test "x$ac_cv_func_arc4random_uniform" = xyes])
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AM_CONDITIONAL([HAVE_EXPLICIT_BZERO], [test "x$ac_cv_func_explicit_bzero" = xyes])
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AM_CONDITIONAL([HAVE_GETENTROPY], [test "x$ac_cv_func_getentropy" = xyes])
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AM_CONDITIONAL([HAVE_TIMINGSAFE_BCMP], [test "x$ac_cv_func_timingsafe_bcmp" = xyes])
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AM_CONDITIONAL([HAVE_TIMINGSAFE_MEMCMP], [test "x$ac_cv_func_timingsafe_memcmp" = xyes])
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# Override arc4random_buf implementations with known issues
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AM_CONDITIONAL([HAVE_ARC4RANDOM_BUF],
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[test "x$USE_BUILTIN_ARC4RANDOM" != xyes \
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-a "x$ac_cv_func_arc4random_buf" = xyes])
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# Check for getentropy fallback dependencies
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AC_CHECK_FUNC([getauxval])
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AC_SEARCH_LIBS([clock_gettime],[rt posix4])
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AC_CHECK_FUNC([clock_gettime])
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AC_SEARCH_LIBS([dl_iterate_phdr],[dl])
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AC_CHECK_FUNC([dl_iterate_phdr])
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])
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AC_DEFUN([CHECK_VA_COPY], [
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AC_CACHE_CHECK([whether va_copy exists], ac_cv_have_va_copy, [
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <stdarg.h>
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va_list x,y;
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]], [[ va_copy(x,y); ]])],
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[ ac_cv_have_va_copy="yes" ],
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[ ac_cv_have_va_copy="no"
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])
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])
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if test "x$ac_cv_have_va_copy" = "xyes" ; then
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AC_DEFINE([HAVE_VA_COPY], [1], [Define if va_copy exists])
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fi
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AC_CACHE_CHECK([whether __va_copy exists], ac_cv_have___va_copy, [
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AC_LINK_IFELSE([AC_LANG_PROGRAM([[
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#include <stdarg.h>
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va_list x,y;
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]], [[ __va_copy(x,y); ]])],
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[ ac_cv_have___va_copy="yes" ], [ ac_cv_have___va_copy="no"
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])
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])
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if test "x$ac_cv_have___va_copy" = "xyes" ; then
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AC_DEFINE([HAVE___VA_COPY], [1], [Define if __va_copy exists])
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fi
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])
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