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"./$cache_file";; esac fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: creating cache $cache_file" >&5 printf "%s\n" "$as_me: creating cache $cache_file" >&6;} >$cache_file fi # Test code for whether the C compiler supports C89 (global declarations) ac_c_conftest_c89_globals=' /* Does the compiler advertise C89 conformance? Do not test the value of __STDC__, because some compilers set it to 0 while being otherwise adequately conformant. */ #if !defined __STDC__ # error "Compiler does not advertise C89 conformance" #endif #include #include struct stat; /* Most of the following tests are stolen from RCS 5.7 src/conf.sh. */ struct buf { int x; }; struct buf * (*rcsopen) (struct buf *, struct stat *, int); static char *e (p, i) char **p; int i; { return p[i]; } static char *f (char * (*g) (char **, int), char **p, ...) { char *s; va_list v; va_start (v,p); s = g (p, va_arg (v,int)); va_end (v); return s; } /* OSF 4.0 Compaq cc is some sort of almost-ANSI by default. It has function prototypes and stuff, but not \xHH hex character constants. These do not provoke an error unfortunately, instead are silently treated as an "x". The following induces an error, until -std is added to get proper ANSI mode. Curiously \x00 != x always comes out true, for an array size at least. It is necessary to write \x00 == 0 to get something that is true only with -std. */ int osf4_cc_array ['\''\x00'\'' == 0 ? 1 : -1]; /* IBM C 6 for AIX is almost-ANSI by default, but it replaces macro parameters inside strings and character constants. */ #define FOO(x) '\''x'\'' int xlc6_cc_array[FOO(a) == '\''x'\'' ? 1 : -1]; int test (int i, double x); struct s1 {int (*f) (int a);}; struct s2 {int (*f) (double a);}; int pairnames (int, char **, int *(*)(struct buf *, struct stat *, int), int, int);' # Test code for whether the C compiler supports C89 (body of main). ac_c_conftest_c89_main=' ok |= (argc == 0 || f (e, argv, 0) != argv[0] || f (e, argv, 1) != argv[1]); ' # Test code for whether the C compiler supports C99 (global declarations) ac_c_conftest_c99_globals=' // Does the compiler advertise C99 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 199901L # error "Compiler does not advertise C99 conformance" #endif #include extern int puts (const char *); extern int printf (const char *, ...); extern int dprintf (int, const char *, ...); extern void *malloc (size_t); // Check varargs macros. These examples are taken from C99 6.10.3.5. // dprintf is used instead of fprintf to avoid needing to declare // FILE and stderr. #define debug(...) dprintf (2, __VA_ARGS__) #define showlist(...) puts (#__VA_ARGS__) #define report(test,...) ((test) ? puts (#test) : printf (__VA_ARGS__)) static void test_varargs_macros (void) { int x = 1234; int y = 5678; debug ("Flag"); debug ("X = %d\n", x); showlist (The first, second, and third items.); report (x>y, "x is %d but y is %d", x, y); } // Check long long types. #define BIG64 18446744073709551615ull #define BIG32 4294967295ul #define BIG_OK (BIG64 / BIG32 == 4294967297ull && BIG64 % BIG32 == 0) #if !BIG_OK #error "your preprocessor is broken" #endif #if BIG_OK #else #error "your preprocessor is broken" #endif static long long int bignum = -9223372036854775807LL; static unsigned long long int ubignum = BIG64; struct incomplete_array { int datasize; double data[]; }; struct named_init { int number; const wchar_t *name; double average; }; typedef const char *ccp; static inline int test_restrict (ccp restrict text) { // See if C++-style comments work. // Iterate through items via the restricted pointer. // Also check for declarations in for loops. for (unsigned int i = 0; *(text+i) != '\''\0'\''; ++i) continue; return 0; } // Check varargs and va_copy. static bool test_varargs (const char *format, ...) { va_list args; va_start (args, format); va_list args_copy; va_copy (args_copy, args); const char *str = ""; int number = 0; float fnumber = 0; while (*format) { switch (*format++) { case '\''s'\'': // string str = va_arg (args_copy, const char *); break; case '\''d'\'': // int number = va_arg (args_copy, int); break; case '\''f'\'': // float fnumber = va_arg (args_copy, double); break; default: break; } } va_end (args_copy); va_end (args); return *str && number && fnumber; } ' # Test code for whether the C compiler supports C99 (body of main). ac_c_conftest_c99_main=' // Check bool. _Bool success = false; success |= (argc != 0); // Check restrict. if (test_restrict ("String literal") == 0) success = true; char *restrict newvar = "Another string"; // Check varargs. success &= test_varargs ("s, d'\'' f .", "string", 65, 34.234); test_varargs_macros (); // Check flexible array members. struct incomplete_array *ia = malloc (sizeof (struct incomplete_array) + (sizeof (double) * 10)); ia->datasize = 10; for (int i = 0; i < ia->datasize; ++i) ia->data[i] = i * 1.234; // Check named initializers. struct named_init ni = { .number = 34, .name = L"Test wide string", .average = 543.34343, }; ni.number = 58; int dynamic_array[ni.number]; dynamic_array[0] = argv[0][0]; dynamic_array[ni.number - 1] = 543; // work around unused variable warnings ok |= (!success || bignum == 0LL || ubignum == 0uLL || newvar[0] == '\''x'\'' || dynamic_array[ni.number - 1] != 543); ' # Test code for whether the C compiler supports C11 (global declarations) ac_c_conftest_c11_globals=' // Does the compiler advertise C11 conformance? #if !defined __STDC_VERSION__ || __STDC_VERSION__ < 201112L # error "Compiler does not advertise C11 conformance" #endif // Check _Alignas. char _Alignas (double) aligned_as_double; char _Alignas (0) no_special_alignment; extern char aligned_as_int; char _Alignas (0) _Alignas (int) aligned_as_int; // Check _Alignof. enum { int_alignment = _Alignof (int), int_array_alignment = _Alignof (int[100]), char_alignment = _Alignof (char) }; _Static_assert (0 < -_Alignof (int), "_Alignof is signed"); // Check _Noreturn. int _Noreturn does_not_return (void) { for (;;) continue; } // Check _Static_assert. struct test_static_assert { int x; _Static_assert (sizeof (int) <= sizeof (long int), "_Static_assert does not work in struct"); long int y; }; // Check UTF-8 literals. #define u8 syntax error! char const utf8_literal[] = u8"happens to be ASCII" "another string"; // Check duplicate typedefs. typedef long *long_ptr; typedef long int *long_ptr; typedef long_ptr long_ptr; // Anonymous structures and unions -- taken from C11 6.7.2.1 Example 1. struct anonymous { union { struct { int i; int j; }; struct { int k; long int l; } w; }; int m; } v1; ' # Test code for whether the C compiler supports C11 (body of main). ac_c_conftest_c11_main=' _Static_assert ((offsetof (struct anonymous, i) == offsetof (struct anonymous, w.k)), "Anonymous union alignment botch"); v1.i = 2; v1.w.k = 5; ok |= v1.i != 5; ' # Test code for whether the C compiler supports C11 (complete). ac_c_conftest_c11_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} ${ac_c_conftest_c11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} ${ac_c_conftest_c11_main} return ok; } " # Test code for whether the C compiler supports C99 (complete). ac_c_conftest_c99_program="${ac_c_conftest_c89_globals} ${ac_c_conftest_c99_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} ${ac_c_conftest_c99_main} return ok; } " # Test code for whether the C compiler supports C89 (complete). ac_c_conftest_c89_program="${ac_c_conftest_c89_globals} int main (int argc, char **argv) { int ok = 0; ${ac_c_conftest_c89_main} return ok; } " # Test code for whether the C++ compiler supports C++98 (global declarations) ac_cxx_conftest_cxx98_globals=' // Does the compiler advertise C++98 conformance? #if !defined __cplusplus || __cplusplus < 199711L # error "Compiler does not advertise C++98 conformance" #endif // These inclusions are to reject old compilers that // lack the unsuffixed header files. #include #include // and are *not* freestanding headers in C++98. extern void assert (int); namespace std { extern int strcmp (const char *, const char *); } // Namespaces, exceptions, and templates were all added after "C++ 2.0". using std::exception; using std::strcmp; namespace { void test_exception_syntax() { try { throw "test"; } catch (const char *s) { // Extra parentheses suppress a warning when building autoconf itself, // due to lint rules shared with more typical C programs. assert (!(strcmp) (s, "test")); } } template struct test_template { T const val; explicit test_template(T t) : val(t) {} template T add(U u) { return static_cast(u) + val; } }; } // anonymous namespace ' # Test code for whether the C++ compiler supports C++98 (body of main) ac_cxx_conftest_cxx98_main=' assert (argc); assert (! argv[0]); { test_exception_syntax (); test_template tt (2.0); assert (tt.add (4) == 6.0); assert (true && !false); } ' # Test code for whether the C++ compiler supports C++11 (global declarations) ac_cxx_conftest_cxx11_globals=' // Does the compiler advertise C++ 2011 conformance? #if !defined __cplusplus || __cplusplus < 201103L # error "Compiler does not advertise C++11 conformance" #endif namespace cxx11test { constexpr int get_val() { return 20; } struct testinit { int i; double d; }; class delegate { public: delegate(int n) : n(n) {} delegate(): delegate(2354) {} virtual int getval() { return this->n; }; protected: int n; }; class overridden : public delegate { public: overridden(int n): delegate(n) {} virtual int getval() override final { return this->n * 2; } }; class nocopy { public: nocopy(int i): i(i) {} nocopy() = default; nocopy(const nocopy&) = delete; nocopy & operator=(const nocopy&) = delete; private: int i; }; // for testing lambda expressions template Ret eval(Fn f, Ret v) { return f(v); } // for testing variadic templates and trailing return types template auto sum(V first) -> V { return first; } template auto sum(V first, Args... rest) -> V { return first + sum(rest...); } } ' # Test code for whether the C++ compiler supports C++11 (body of main) ac_cxx_conftest_cxx11_main=' { // Test auto and decltype auto a1 = 6538; auto a2 = 48573953.4; auto a3 = "String literal"; int total = 0; for (auto i = a3; *i; ++i) { total += *i; } decltype(a2) a4 = 34895.034; } { // Test constexpr short sa[cxx11test::get_val()] = { 0 }; } { // Test initializer lists cxx11test::testinit il = { 4323, 435234.23544 }; } { // Test range-based for int array[] = {9, 7, 13, 15, 4, 18, 12, 10, 5, 3, 14, 19, 17, 8, 6, 20, 16, 2, 11, 1}; for (auto &x : array) { x += 23; } } { // Test lambda expressions using cxx11test::eval; assert (eval ([](int x) { return x*2; }, 21) == 42); double d = 2.0; assert (eval ([&](double x) { return d += x; }, 3.0) == 5.0); assert (d == 5.0); assert (eval ([=](double x) mutable { return d += x; }, 4.0) == 9.0); assert (d == 5.0); } { // Test use of variadic templates using cxx11test::sum; auto a = sum(1); auto b = sum(1, 2); auto c = sum(1.0, 2.0, 3.0); } { // Test constructor delegation cxx11test::delegate d1; cxx11test::delegate d2(); cxx11test::delegate d3(45); } { // Test override and final cxx11test::overridden o1(55464); } { // Test nullptr char *c = nullptr; } { // Test template brackets test_template<::test_template> v(test_template(12)); } { // Unicode literals char const *utf8 = u8"UTF-8 string \u2500"; char16_t const *utf16 = u"UTF-8 string \u2500"; char32_t const *utf32 = U"UTF-32 string \u2500"; } ' # Test code for whether the C compiler supports C++11 (complete). ac_cxx_conftest_cxx11_program="${ac_cxx_conftest_cxx98_globals} ${ac_cxx_conftest_cxx11_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} ${ac_cxx_conftest_cxx11_main} return ok; } " # Test code for whether the C compiler supports C++98 (complete). ac_cxx_conftest_cxx98_program="${ac_cxx_conftest_cxx98_globals} int main (int argc, char **argv) { int ok = 0; ${ac_cxx_conftest_cxx98_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" # Auxiliary files required by this configure script. ac_aux_files="install-sh config.guess config.sub" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${srcdir}${PATH_SEPARATOR}${srcdir}/..${PATH_SEPARATOR}${srcdir}/../.." # Search for a directory containing all of the required auxiliary files, # $ac_aux_files, from the $PATH-style list $ac_aux_dir_candidates. # If we don't find one directory that contains all the files we need, # we report the set of missing files from the *first* directory in # $ac_aux_dir_candidates and give up. ac_missing_aux_files="" ac_first_candidate=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: looking for aux files: $ac_aux_files" >&5 as_save_IFS=$IFS; 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then ac_missing_aux_files="${ac_missing_aux_files} install-sh" else break fi fi else if test -f "${as_dir}${ac_aux}"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}${ac_aux} found" >&5 else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${ac_missing_aux_files} ${ac_aux}" else break fi fi fi done if test "$ac_aux_dir_found" = yes; then ac_aux_dir="$as_dir" break fi ac_first_candidate=false as_found=false done IFS=$as_save_IFS if $as_found then : else $as_nop as_fn_error $? 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"cannot make $CC report undeclared builtins See \`config.log' for more details" "$LINENO" 5; } ;; #( 'none needed') : ac_c_undeclared_builtin_options='' ;; #( *) : ac_c_undeclared_builtin_options=$ac_cv_c_undeclared_builtin_options ;; esac ac_fn_c_check_header_compile "$LINENO" "sys/ioccom.h" "ac_cv_header_sys_ioccom_h" "$ac_includes_default" if test "x$ac_cv_header_sys_ioccom_h" = xyes then : printf "%s\n" "#define HAVE_SYS_IOCCOM_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "sys/time.h" "ac_cv_header_sys_time_h" "$ac_includes_default" if test "x$ac_cv_header_sys_time_h" = xyes then : printf "%s\n" "#define HAVE_SYS_TIME_H 1" >>confdefs.h fi ac_fn_c_check_header_compile "$LINENO" "net/bpf.h" "ac_cv_header_net_bpf_h" "$ac_includes_default" if test "x$ac_cv_header_net_bpf_h" = xyes then : printf "%s\n" "#define HAVE_NET_BPF_H 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if libpcap is suitable" >&5 printf %s "checking if libpcap is suitable... 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"cannot run test program while cross compiling See \`config.log' for more details" "$LINENO" 5; } else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #ifdef HAVE_SYS_IOCCOM_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_NET_BPF_H #include #endif extern char pcap_version[]; int main() { int major, minor; sscanf(pcap_version,"%d.%d", &major, &minor); if ((major == 1 && minor >= 1) || major > 1) return 0; #ifdef BIOCSRTIMEOUT #ifdef IOCPARM_LEN if (IOCPARM_LEN(BIOCSRTIMEOUT) != sizeof(struct timeval)) return 1; #endif #endif return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : ac_fn_check_decl "$LINENO" "pcap_get_selectable_fd" "ac_cv_have_decl_pcap_get_selectable_fd" "#include " "$ac_c_undeclared_builtin_options" "CFLAGS" if test "x$ac_cv_have_decl_pcap_get_selectable_fd" = xyes then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; }; have_libpcap=yes else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no -- pcap_get_selectable_fd not declared" >&5 printf "%s\n" "no -- pcap_get_selectable_fd not declared" >&6; }; have_libpcap=no fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no -- BPF_TIMEOUT BIOCSRTIMEOUT bug (64-bit OS X)" >&5 printf "%s\n" "no -- BPF_TIMEOUT BIOCSRTIMEOUT bug (64-bit OS X)" >&6; }; have_libpcap=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; }; have_libpcap=no fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi LIBS="$LIBS_OLD" fi if test $have_libpcap != yes; then if test "${LIBPCAP_INC+set}" = "set"; then LDFLAGS="-L$libpcapdir $_ldflags" CPPFLAGS="$CPPFLAGS -I$LIBPCAP_INC" else LDFLAGS="-L$libpcapdir $LDFLAGS" CPPFLAGS="$CPPFLAGS -I$libpcapdir" fi LIBPCAP_LIBS='$(LIBPCAPDIR)/libpcap.a' PCAP_DEPENDS='$(LIBPCAPDIR)/libpcap.a' PCAP_BUILD="build-pcap" PCAP_CLEAN="clean-pcap" PCAP_DIST_CLEAN="distclean-pcap" else printf "%s\n" "#define HAVE_LIBPCAP 1" >>confdefs.h LIBPCAP_LIBS="-lpcap" PCAP_DEPENDS="" PCAP_BUILD="" PCAP_CLEAN="" PCAP_DIST_CLEAN="" fi if test $have_libpcap != yes ; then subdirs="$subdirs libpcap" fi have_dnet=no requested_included_dnet=no LIBDNETDIR=../libdnet-stripped # First we test whether they specified libdnet explicitly. # Unlike the other included libraries (pcap, pcre, lua), we prefer our local # copy of libdnet. That is, with the other libraries we check for a system # version by default, whereas with dnet we use the local version unless # specifically asked to use a system version. # Check whether --with-libdnet was given. if test ${with_libdnet+y} then : withval=$with_libdnet; case "$with_libdnet" in yes) ;; included) ;; *) CPPFLAGS="-I$with_libdnet/include $CPPFLAGS" LDFLAGS="-L$with_libdnet/lib $LDFLAGS" have_dnet=yes ;; esac fi # If they didn't provide location, we use the included one if test $have_dnet != yes ; then subdirs="$subdirs libdnet-stripped" CPPFLAGS="-I$LIBDNETDIR/include $CPPFLAGS" LIBDNET_LIBS="$LIBDNETDIR/src/.libs/libdnet.a" DNET_DEPENDS="$LIBDNETDIR/src/.libs/libdnet.a" DNET_BUILD="build-dnet" DNET_CLEAN="clean-dnet" DNET_DIST_CLEAN="distclean-dnet" else LIBDNET_LIBS="-ldnet" DNET_DEPENDS="" DNET_BUILD="" DNET_CLEAN="" DNET_DIST_CLEAN="" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if sockaddr{} has sa_len member" >&5 printf %s "checking if sockaddr{} has sa_len member... " >&6; } if test ${ac_cv_sockaddr_has_sa_len+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { unsigned int i = sizeof(((struct sockaddr *)0)->sa_len) ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_sockaddr_has_sa_len=yes else $as_nop ac_cv_sockaddr_has_sa_len=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sockaddr_has_sa_len" >&5 printf "%s\n" "$ac_cv_sockaddr_has_sa_len" >&6; } if test $ac_cv_sockaddr_has_sa_len = yes ; then printf "%s\n" "#define HAVE_SOCKADDR_SA_LEN 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if sockaddr_in{} has sin_len member" >&5 printf %s "checking if sockaddr_in{} has sin_len member... " >&6; } if test ${ac_cv_sockaddr_in_has_sin_len+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main (void) { unsigned int i = sizeof(((struct sockaddr_in *)0)->sin_len) ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_sockaddr_in_has_sin_len=yes else $as_nop ac_cv_sockaddr_in_has_sin_len=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sockaddr_in_has_sin_len" >&5 printf "%s\n" "$ac_cv_sockaddr_in_has_sin_len" >&6; } if test $ac_cv_sockaddr_in_has_sin_len = yes ; then printf "%s\n" "#define HAVE_SOCKADDR_IN_SIN_LEN 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if sockaddr_in6{} has sin6_len member" >&5 printf %s "checking if sockaddr_in6{} has sin6_len member... " >&6; } if test ${ac_cv_sockaddr_in6_has_sin6_len+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main (void) { unsigned int i = sizeof(((struct sockaddr_in6 *)0)->sin6_len) ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_sockaddr_in6_has_sin6_len=yes else $as_nop ac_cv_sockaddr_in6_has_sin6_len=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sockaddr_in6_has_sin6_len" >&5 printf "%s\n" "$ac_cv_sockaddr_in6_has_sin6_len" >&6; } if test $ac_cv_sockaddr_in6_has_sin6_len = yes ; then printf "%s\n" "#define HAVE_SOCKADDR_IN6_SIN6_LEN 1" >>confdefs.h fi #dnl check endedness { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5 printf %s "checking whether byte ordering is bigendian... " >&6; } if test ${ac_cv_c_bigendian+y} then : printf %s "(cached) " >&6 else $as_nop ac_cv_c_bigendian=unknown # See if we're dealing with a universal compiler. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifndef __APPLE_CC__ not a universal capable compiler #endif typedef int dummy; _ACEOF if ac_fn_c_try_compile "$LINENO" then : # Check for potential -arch flags. It is not universal unless # there are at least two -arch flags with different values. ac_arch= ac_prev= for ac_word in $CC $CFLAGS $CPPFLAGS $LDFLAGS; do if test -n "$ac_prev"; then case $ac_word in i?86 | x86_64 | ppc | ppc64) if test -z "$ac_arch" || test "$ac_arch" = "$ac_word"; then ac_arch=$ac_word else ac_cv_c_bigendian=universal break fi ;; esac ac_prev= elif test "x$ac_word" = "x-arch"; then ac_prev=arch fi done fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test $ac_cv_c_bigendian = unknown; then # See if sys/param.h defines the BYTE_ORDER macro. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { #if ! (defined BYTE_ORDER && defined BIG_ENDIAN \ && defined LITTLE_ENDIAN && BYTE_ORDER && BIG_ENDIAN \ && LITTLE_ENDIAN) bogus endian macros #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : # It does; now see whether it defined to BIG_ENDIAN or not. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { #if BYTE_ORDER != BIG_ENDIAN not big endian #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_c_bigendian=yes else $as_nop ac_cv_c_bigendian=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi if test $ac_cv_c_bigendian = unknown; then # See if defines _LITTLE_ENDIAN or _BIG_ENDIAN (e.g., Solaris). cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { #if ! (defined _LITTLE_ENDIAN || defined _BIG_ENDIAN) bogus endian macros #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : # It does; now see whether it defined to _BIG_ENDIAN or not. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { #ifndef _BIG_ENDIAN not big endian #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_c_bigendian=yes else $as_nop ac_cv_c_bigendian=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi if test $ac_cv_c_bigendian = unknown; then # Compile a test program. if test "$cross_compiling" = yes then : # Try to guess by grepping values from an object file. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ unsigned short int ascii_mm[] = { 0x4249, 0x4765, 0x6E44, 0x6961, 0x6E53, 0x7953, 0 }; unsigned short int ascii_ii[] = { 0x694C, 0x5454, 0x656C, 0x6E45, 0x6944, 0x6E61, 0 }; int use_ascii (int i) { return ascii_mm[i] + ascii_ii[i]; } unsigned short int ebcdic_ii[] = { 0x89D3, 0xE3E3, 0x8593, 0x95C5, 0x89C4, 0x9581, 0 }; unsigned short int ebcdic_mm[] = { 0xC2C9, 0xC785, 0x95C4, 0x8981, 0x95E2, 0xA8E2, 0 }; int use_ebcdic (int i) { return ebcdic_mm[i] + ebcdic_ii[i]; } extern int foo; int main (void) { return use_ascii (foo) == use_ebcdic (foo); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : if grep BIGenDianSyS conftest.$ac_objext >/dev/null; then ac_cv_c_bigendian=yes fi if grep LiTTleEnDian conftest.$ac_objext >/dev/null ; then if test "$ac_cv_c_bigendian" = unknown; then ac_cv_c_bigendian=no else # finding both strings is unlikely to happen, but who knows? ac_cv_c_bigendian=unknown fi fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $ac_includes_default int main (void) { /* Are we little or big endian? From Harbison&Steele. */ union { long int l; char c[sizeof (long int)]; } u; u.l = 1; return u.c[sizeof (long int) - 1] == 1; ; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : ac_cv_c_bigendian=no else $as_nop ac_cv_c_bigendian=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_bigendian" >&5 printf "%s\n" "$ac_cv_c_bigendian" >&6; } case $ac_cv_c_bigendian in #( yes) printf "%s\n" "#define WORDS_BIGENDIAN 1" >>confdefs.h ;; #( no) ;; #( universal) printf "%s\n" "#define AC_APPLE_UNIVERSAL_BUILD 1" >>confdefs.h ;; #( *) as_fn_error $? "unknown endianness presetting ac_cv_c_bigendian=no (or yes) will help" "$LINENO" 5 ;; esac { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if struct in_addr is a wacky huge structure (some Sun boxes)" >&5 printf %s "checking if struct in_addr is a wacky huge structure (some Sun boxes)... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { struct in_addr i; i._S_un._S_addr; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : \ printf "%s\n" "#define IN_ADDR_DEEPSTRUCT 1" >>confdefs.h \ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop \ cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { struct in_addr i; i.S_un.S_addr; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : \ printf "%s\n" "#define IN_ADDR_DEEPSTRUCT 1" >>confdefs.h \ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop \ { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; }; fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext #AC_CACHE_CHECK(if struct icmp exists, ac_cv_struct_icmp_exists, #AC_TRY_COMPILE([ ##include ##include ##include ##include ##define __USE_BSD ##define __FAVOR_BSD ##define _BSD_SOURCE ##include ##include ], #[unsigned int i = sizeof(struct icmp)], #ac_cv_struct_icmp_exists=yes, #ac_cv_struct_icmp_exists=no)) #if test $ac_cv_struct_icmp_exists = yes ; then #AC_DEFINE(HAVE_STRUCT_ICMP) #fi #AC_CACHE_CHECK(if struct ip exists, ac_cv_struct_ip_exists, #AC_TRY_COMPILE([ ##include ##include ##include ##include ##define __USE_BSD ##define __FAVOR_BSD ##define _BSD_SOURCE ##include ], #[unsigned int i = sizeof(struct ip)], #ac_cv_struct_ip_exists=yes, #ac_cv_struct_ip_exists=no)) #if test $ac_cv_struct_ip_exists = yes ; then #AC_DEFINE(HAVE_STRUCT_IP) #fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if struct ip has ip_sum member" >&5 printf %s "checking if struct ip has ip_sum member... " >&6; } if test ${ac_cv_ip_has_ip_sum+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include #include #define __USE_BSD #define __FAVOR_BSD #define _BSD_SOURCE #include #include int main (void) { unsigned int i = sizeof(((struct ip *)0)->ip_sum) ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_ip_has_ip_sum=yes else $as_nop ac_cv_ip_has_ip_sum=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_ip_has_ip_sum" >&5 printf "%s\n" "$ac_cv_ip_has_ip_sum" >&6; } if test $ac_cv_ip_has_ip_sum = yes ; then printf "%s\n" "#define HAVE_IP_IP_SUM 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if function signal is accessible" >&5 printf %s "checking if function signal is accessible... " >&6; } if test ${ac_cv_have_signal+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { void handler(int signo){ int a=0; } int main () { ssignal(SIGINT, handler); return 0; } ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : ac_cv_have_signal=yes else $as_nop ac_cv_have_signal=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_signal" >&5 printf "%s\n" "$ac_cv_have_signal" >&6; } if test $ac_cv_have_signal = yes ; then printf "%s\n" "#define HAVE_SIGNAL 1" >>confdefs.h fi case "$host" in *alpha-dec-osf*) printf "%s\n" "#define DEC 1" >>confdefs.h ;; *-netbsd* | *-knetbsd*-gnu) printf "%s\n" "#define NETBSD 1" >>confdefs.h ;; *-openbsd*) printf "%s\n" "#define OPENBSD 1" >>confdefs.h ;; *-freebsd* | *-kfreebsd*-gnu | *-dragonfly*) printf "%s\n" "#define FREEBSD 1" >>confdefs.h ;; *-bsdi*) printf "%s\n" "#define BSDI 1" >>confdefs.h ;; *-sgi-irix5* | *-sgi-irix6*) printf "%s\n" "#define IRIX 1" >>confdefs.h ;; *-hpux*) printf "%s\n" "#define HPUX 1" >>confdefs.h # To link with libnet and NM (/usr/lib/libnm.sl) library # on HP-UX 11.11 (other versions?) Mikhail Zakharov (zmey20000@yahoo.com) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for open_mib in -lnm" >&5 printf %s "checking for open_mib in -lnm... " >&6; } if test ${ac_cv_lib_nm_open_mib+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lnm $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char open_mib (); int main (void) { return open_mib (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_nm_open_mib=yes else $as_nop ac_cv_lib_nm_open_mib=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_nm_open_mib" >&5 printf "%s\n" "$ac_cv_lib_nm_open_mib" >&6; } if test "x$ac_cv_lib_nm_open_mib" = xyes then : printf "%s\n" "#define HAVE_LIBNM 1" >>confdefs.h LIBS="-lnm $LIBS" fi ;; *-aix*) # use some AIX specific libraries { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for odm_initialize in -lodm" >&5 printf %s "checking for odm_initialize in -lodm... " >&6; } if test ${ac_cv_lib_odm_odm_initialize+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lodm $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char odm_initialize (); int main (void) { return odm_initialize (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_odm_odm_initialize=yes else $as_nop ac_cv_lib_odm_odm_initialize=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_odm_odm_initialize" >&5 printf "%s\n" "$ac_cv_lib_odm_odm_initialize" >&6; } if test "x$ac_cv_lib_odm_odm_initialize" = xyes then : printf "%s\n" "#define HAVE_LIBODM 1" >>confdefs.h LIBS="-lodm $LIBS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for _system_configuration in -lcfg" >&5 printf %s "checking for _system_configuration in -lcfg... " >&6; } if test ${ac_cv_lib_cfg__system_configuration+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcfg $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char _system_configuration (); int main (void) { return _system_configuration (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_cfg__system_configuration=yes else $as_nop ac_cv_lib_cfg__system_configuration=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_cfg__system_configuration" >&5 printf "%s\n" "$ac_cv_lib_cfg__system_configuration" >&6; } if test "x$ac_cv_lib_cfg__system_configuration" = xyes then : printf "%s\n" "#define HAVE_LIBCFG 1" >>confdefs.h LIBS="-lcfg $LIBS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for crypt_r in -lcrypt" >&5 printf %s "checking for crypt_r in -lcrypt... " >&6; } if test ${ac_cv_lib_crypt_crypt_r+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcrypt $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char crypt_r (); int main (void) { return crypt_r (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_crypt_crypt_r=yes else $as_nop ac_cv_lib_crypt_crypt_r=no fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS=$ac_check_lib_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_crypt_crypt_r" >&5 printf "%s\n" "$ac_cv_lib_crypt_crypt_r" >&6; } if test "x$ac_cv_lib_crypt_crypt_r" = xyes then : printf "%s\n" "#define HAVE_LIBCRYPT 1" >>confdefs.h LIBS="-lcrypt $LIBS" fi ;; *-solaris2.0*) printf "%s\n" "#define STUPID_SOLARIS_CHECKSUM_BUG 1" >>confdefs.h printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris2.[1-9][0-9]*) printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris2.1*) printf "%s\n" "#define STUPID_SOLARIS_CHECKSUM_BUG 1" >>confdefs.h printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris2.2*) printf "%s\n" "#define STUPID_SOLARIS_CHECKSUM_BUG 1" >>confdefs.h printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris2.3*) printf "%s\n" "#define STUPID_SOLARIS_CHECKSUM_BUG 1" >>confdefs.h printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris2.4*) printf "%s\n" "#define STUPID_SOLARIS_CHECKSUM_BUG 1" >>confdefs.h printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris2.5.1) printf "%s\n" "#define STUPID_SOLARIS_CHECKSUM_BUG 1" >>confdefs.h printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-solaris*) printf "%s\n" "#define SOLARIS 1" >>confdefs.h ;; *-sunos4*) printf "%s\n" "#define SUNOS 1" >>confdefs.h printf "%s\n" "#define SPRINTF_RETURNS_STRING 1" >>confdefs.h ;; *-linux*) printf "%s\n" "#define LINUX 1" >>confdefs.h ;; *-apple-darwin*) printf "%s\n" "#define MACOSX 1" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for main in -lm" >&5 printf %s "checking for main in -lm... 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