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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; ${ac_c_conftest_c89_main} return ok; } " as_fn_append ac_header_c_list " stdio.h stdio_h HAVE_STDIO_H" as_fn_append ac_header_c_list " stdlib.h stdlib_h HAVE_STDLIB_H" as_fn_append ac_header_c_list " string.h string_h HAVE_STRING_H" as_fn_append ac_header_c_list " inttypes.h inttypes_h HAVE_INTTYPES_H" as_fn_append ac_header_c_list " stdint.h stdint_h HAVE_STDINT_H" as_fn_append ac_header_c_list " strings.h strings_h HAVE_STRINGS_H" as_fn_append ac_header_c_list " sys/stat.h sys_stat_h HAVE_SYS_STAT_H" as_fn_append ac_header_c_list " sys/types.h sys_types_h HAVE_SYS_TYPES_H" as_fn_append ac_header_c_list " unistd.h unistd_h HAVE_UNISTD_H" as_fn_append ac_header_c_list " wchar.h wchar_h HAVE_WCHAR_H" as_fn_append ac_header_c_list " minix/config.h minix_config_h HAVE_MINIX_CONFIG_H" # Auxiliary files required by this configure script. ac_aux_files="install-sh" # Locations in which to look for auxiliary files. ac_aux_dir_candidates="${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; IFS=$PATH_SEPARATOR as_found=false for as_dir in $ac_aux_dir_candidates do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac as_found=: printf "%s\n" "$as_me:${as_lineno-$LINENO}: trying $as_dir" >&5 ac_aux_dir_found=yes ac_install_sh= for ac_aux in $ac_aux_files do # As a special case, if "install-sh" is required, that requirement # can be satisfied by any of "install-sh", "install.sh", or "shtool", # and $ac_install_sh is set appropriately for whichever one is found. if test x"$ac_aux" = x"install-sh" then if test -f "${as_dir}install-sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install-sh found" >&5 ac_install_sh="${as_dir}install-sh -c" elif test -f "${as_dir}install.sh"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}install.sh found" >&5 ac_install_sh="${as_dir}install.sh -c" elif test -f "${as_dir}shtool"; then printf "%s\n" "$as_me:${as_lineno-$LINENO}: ${as_dir}shtool found" >&5 ac_install_sh="${as_dir}shtool install -c" else ac_aux_dir_found=no if $ac_first_candidate; then ac_missing_aux_files="${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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" >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}cc" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi fi if test -z "$CC"; then # Extract the first word of "cc", so it can be a program name with args. set dummy cc; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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" >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="$ac_tool_prefix$ac_prog" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi test -n "$CC" && break done fi if test -z "$CC"; then ac_ct_CC=$CC for ac_prog in cl.exe do # Extract the first word of "$ac_prog", so it can be a program name with args. set dummy $ac_prog; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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" >&6; } if test ${ac_cv_prog_CC+y} then : printf %s "(cached) " >&6 else $as_nop if test -n "$CC"; then ac_cv_prog_CC="$CC" # Let the user override the test. else as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_prog_CC="${ac_tool_prefix}clang" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS fi fi CC=$ac_cv_prog_CC if test -n "$CC"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CC" >&5 printf "%s\n" "$CC" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi fi if test -z "$ac_cv_prog_CC"; then ac_ct_CC=$CC # Extract the first word of "clang", so it can be a program name with args. set dummy clang; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... 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"no acceptable C compiler found in \$PATH See \`config.log' for more details" "$LINENO" 5; } # Provide some information about the compiler. printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for C compiler version" >&5 set X $ac_compile ac_compiler=$2 for ac_option in --version -v -V -qversion -version; do { { ac_try="$ac_compiler $ac_option >&5" case "(($ac_try" in *\"* | *\`* | *\\*) ac_try_echo=\$ac_try;; *) ac_try_echo=$ac_try;; esac eval ac_try_echo="\"\$as_me:${as_lineno-$LINENO}: $ac_try_echo\"" printf "%s\n" "$ac_try_echo"; } >&5 (eval "$ac_compiler $ac_option >&5") 2>conftest.err ac_status=$? if test -s conftest.err; then sed '10a\ ... rest of stderr output deleted ... 10q' conftest.err >conftest.er1 cat conftest.er1 >&5 fi rm -f conftest.er1 conftest.err printf "%s\n" "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5 test $ac_status = 0; } done cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF ac_clean_files_save=$ac_clean_files ac_clean_files="$ac_clean_files a.out a.out.dSYM a.exe b.out" # Try to create an executable without -o first, disregard a.out. # It will help us diagnose broken compilers, and finding out an intuition # of exeext. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the C compiler works" >&5 printf %s "checking whether the C compiler works... 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For instance with Cygwin, `ls conftest' will # work properly (i.e., refer to `conftest.exe'), while it won't with # `rm'. for ac_file in conftest.exe conftest conftest.*; do test -f "$ac_file" || continue case $ac_file in *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb | *.xSYM | *.bb | *.bbg | *.map | *.inf | *.dSYM | *.o | *.obj ) ;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` break;; * ) break;; esac done else $as_nop { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? 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#endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "YES_IS_DEFINED" >/dev/null 2>&1 then : LIBS="$LIBS -lsocket -lnsl -lkstat" fi rm -rf conftest* { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking BSD job jontrol..." >&5 printf "%s\n" "$as_me: checking BSD job jontrol..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main (void) { #ifdef POSIX tcsetpgrp(0, 0); #else int x = TIOCSPGRP; #ifdef SYSV setpgrp(); #else int y = TIOCNOTTY; #endif #endif ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : echo "- you have jobcontrol" 1>&6 printf "%s\n" "@%:@define BSDJOBS 1" >>confdefs.h else $as_nop echo "- you don't have jobcontrol" 1>&6 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking setresuid..." >&5 printf "%s\n" "$as_me: checking setresuid..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { setresuid(0, 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define HAVE_SETRESUID 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking setreuid..." >&5 printf "%s\n" "$as_me: checking setreuid..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { setreuid(0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define HAVE_SETREUID 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking seteuid..." >&5 printf "%s\n" "$as_me: checking seteuid..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { #if defined(linux) || defined(NeXT) || defined(_AUX_SOURCE) || defined(AUX) || defined(ultrix) || (defined(sun) && defined(SVR4)) || defined(ISC) || defined(sony_news) int seteuid_is_broken(int); seteuid_is_broken(0); #else seteuid(0); #endif ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define HAVE_SETEUID 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking execvpe..." >&5 printf "%s\n" "$as_me: checking execvpe..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { execvpe(0, 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define HAVE_EXECVPE 1" >>confdefs.h CFLAGS="$CFLAGS -D_GNU_SOURCE" fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking select..." >&5 printf "%s\n" "$as_me: checking select..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { select(0, 0, 0, 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="$LIBS -lnet -lnsl" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking select with $LIBS..." >&5 printf "%s\n" "$as_me: checking select with $LIBS..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { select(0, 0, 0, 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop as_fn_error $? "!!! no select - no screen" "$LINENO" 5 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking fifos..." >&5 printf "%s\n" "$as_me: checking fifos..." >&6;} if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming fifos are usable" 1>&6 fifo=1 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* For select - According to POSIX 1003.1-2001 */ #include /* For select - According to earlier standards */ #include #include #include #include #include #include #ifndef O_NONBLOCK #define O_NONBLOCK O_NDELAY #endif #ifndef S_IFIFO #define S_IFIFO 0010000 #endif char *fin = "/tmp/conftest$$"; int main() { struct stat stb; fd_set f; (void)alarm(5); unlink(fin); #ifdef POSIX if (mkfifo(fin, 0777)) #else if (mknod(fin, S_IFIFO|0777, 0)) #endif return 1; if (stat(fin, &stb) || (stb.st_mode & S_IFIFO) != S_IFIFO) return 1; close(0); #ifdef __386BSD__ /* * The next test fails under 386BSD, but screen works using fifos. * Fifos in O_RDWR mode are only used for the BROKEN_PIPE case and for * the select() configuration test. */ return 0; #endif if (open(fin, O_RDONLY | O_NONBLOCK)) return 1; if (fork() == 0) { close(0); if (open(fin, O_WRONLY | O_NONBLOCK)) return 1; close(0); if (open(fin, O_WRONLY | O_NONBLOCK)) return 1; if (write(0, "TEST", 4) == -1) return 1; return 0; } FD_SET(0, &f); if (select(1, &f, 0, 0, 0) == -1) return 1; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : echo "- your fifos are usable" 1>&6 fifo=1 else $as_nop echo "- your fifos are not usable" 1>&6 fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f /tmp/conftest* if test -n "$fifo"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for broken fifo implementation..." >&5 printf "%s\n" "$as_me: checking for broken fifo implementation..." >&6;} if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming fifo implementation is ok" 1>&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* For select - According to POSIX 1003.1-2001 */ #include /* For select - According to earlier standards */ #include #include #include #include #include #include #ifndef O_NONBLOCK #define O_NONBLOCK O_NDELAY #endif #ifndef S_IFIFO #define S_IFIFO 0010000 #endif char *fin = "/tmp/conftest$$"; int main() { struct timeval tv; fd_set f; #ifdef POSIX if (mkfifo(fin, 0600)) #else if (mknod(fin, S_IFIFO|0600, 0)) #endif return 1; close(0); if (open(fin, O_RDONLY|O_NONBLOCK)) return 1; FD_SET(0, &f); tv.tv_sec = 1; tv.tv_usec = 0; if (select(1, &f, 0, 0, &tv)) return 1; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : echo "- your implementation is ok" 1>&6 else $as_nop echo "- you have a broken implementation" 1>&6 printf "%s\n" "@%:@define BROKEN_PIPE 1" >>confdefs.h fifobr=1 fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f /tmp/conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking sockets..." >&5 printf "%s\n" "$as_me: checking sockets..." >&6;} if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming sockets are usable" 1>&6 sock=1 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* For select - According to POSIX 1003.1-2001 */ #include /* For select - According to earlier standards */ #include #include #include #include #include #include #include #include #include #include char *son = "/tmp/conftest$$"; int main() { int s1, s2, l; struct sockaddr_un a; fd_set f; (void)alarm(5); if ((s1 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) return 1; a.sun_family = AF_UNIX; strcpy(a.sun_path, son); (void) unlink(son); if (bind(s1, (struct sockaddr *) &a, strlen(son)+2) == -1) return 1; if (listen(s1, 2)) return 1; if (fork() == 0) { if ((s2 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) kill(getppid(), 3); (void)connect(s2, (struct sockaddr *)&a, strlen(son) + 2); if (write(s2, "HELLO", 5) == -1) kill(getppid(), 3); return 0; } l = sizeof(a); close(0); if (accept(s1, &a, &l)) return 1; FD_SET(0, &f); if (select(1, &f, 0, 0, 0) == -1) return 1; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : echo "- your sockets are usable" 1>&6 sock=1 else $as_nop echo "- your sockets are not usable" 1>&6 fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f /tmp/conftest* if test -n "$sock"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking socket implementation..." >&5 printf "%s\n" "$as_me: checking socket implementation..." >&6;} if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming sockets are normal" 1>&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* For select - According to POSIX 1003.1-2001 */ #include /* For select - According to earlier standards */ #include #include #include #include #include #include #include #include char *son = "/tmp/conftest$$"; int main() { int s; struct stat stb; struct sockaddr_un a; if ((s = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) return 0; a.sun_family = AF_UNIX; strcpy(a.sun_path, son); (void) unlink(son); if (bind(s, (struct sockaddr *) &a, strlen(son)+2) == -1) return 0; if (stat(son, &stb)) return 1; close(s); return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : echo "- you are normal" 1>&6 else $as_nop echo "- unix domain sockets are not kept in the filesystem" 1>&6 printf "%s\n" "@%:@define SOCK_NOT_IN_FS 1" >>confdefs.h socknofs=1 fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f /tmp/conftest* fi if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming select is ok" 1>&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* For select - According to POSIX 1003.1-2001 */ #include /* For select - According to earlier standards */ #include #include #include #include #include #include char *nam = "/tmp/conftest$$"; #ifdef NAMEDPIPE #ifndef O_NONBLOCK #define O_NONBLOCK O_NDELAY #endif #ifndef S_IFIFO #define S_IFIFO 0010000 #endif int main() { fd_set f; #ifdef __FreeBSD__ /* From Andrew A. Chernov (ache@astral.msk.su): * opening RDWR fifo fails in BSD 4.4, but select return values are * right. */ return 0; #endif (void)alarm(5); #ifdef POSIX if (mkfifo(nam, 0777)) #else if (mknod(nam, S_IFIFO|0777, 0)) #endif return 1; close(0); if (open(nam, O_RDWR | O_NONBLOCK)) return 1; if (write(0, "TEST", 4) == -1) return 1; #else #include #include #include #include #include #include int main() { int s1, s2, l; struct sockaddr_un a; fd_set f; (void)alarm(5); if ((s1 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) return 1; a.sun_family = AF_UNIX; strcpy(a.sun_path, nam); (void) unlink(nam); if (bind(s1, (struct sockaddr *) &a, strlen(nam)+2) == -1) return 1; if (listen(s1, 2)) return 1; if (fork() == 0) { if ((s2 = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) kill(getppid(), 3); (void)connect(s2, (struct sockaddr *)&a, strlen(nam) + 2); if (write(s2, "HELLO", 5) == -1) kill(getppid(), 3); return 0; } l = sizeof(a); close(0); if (accept(s1, (struct sockaddr *)&a, &l)) return 1; #endif FD_SET(0, &f); if (select(1, &f, 0, 0, 0) == -1) return 1; if (select(1, &f, &f, 0, 0) != 2) return 1; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : echo "- select is ok" 1>&6 else $as_nop echo "- select can not count" 1>&6 printf "%s\n" "@%:@define SELECT_BROKEN 1" >>confdefs.h fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for tgetent..." >&5 printf "%s\n" "$as_me: checking for tgetent..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop olibs="$LIBS" LIBS="-lcurses $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libcurses..." >&5 printf "%s\n" "$as_me: checking libcurses..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { #ifdef __hpux __sorry_hpux_libcurses_is_totally_broken_in_10_10(); #else tgetent((char *)0, (char *)0); #endif ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="-ltermcap $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libtermcap..." >&5 printf "%s\n" "$as_me: checking libtermcap..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="-ltermlib $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libtermlib..." >&5 printf "%s\n" "$as_me: checking libtermlib..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="-lncursesw $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libncursesw..." >&5 printf "%s\n" "$as_me: checking libncursesw..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="-ltinfow $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libtinfow..." >&5 printf "%s\n" "$as_me: checking libtinfow..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="-lncurses $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libncurses..." >&5 printf "%s\n" "$as_me: checking libncurses..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="-ltinfo $olibs" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking libtinfo..." >&5 printf "%s\n" "$as_me: checking libtinfo..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { tgetent((char *)0, (char *)0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop as_fn_error $? "!!! no tgetent - no screen" "$LINENO" 5 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming terminfo database is used" 1>&6 printf "%s\n" "@%:@define TERMINFO 1" >>confdefs.h else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main() { return(strcmp(tgoto("%p1%d", 0, 1), "1") ? 0 : 1); } _ACEOF if ac_fn_c_try_run "$LINENO" then : echo "- you use the termcap database" 1>&6 else $as_nop echo "- you use the terminfo database" 1>&6 printf "%s\n" "@%:@define TERMINFO 1" >>confdefs.h fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking ospeed..." >&5 printf "%s\n" "$as_me: checking ospeed..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ extern short ospeed; int main (void) { ospeed=5; ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop printf "%s\n" "@%:@define NEED_OSPEED 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test "$cross_compiling" = no ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for /dev/ptc..." >&5 printf "%s\n" "$as_me: checking for /dev/ptc..." >&6;} if test -r /dev/ptc; then printf "%s\n" "@%:@define HAVE_DEV_PTC 1" >>confdefs.h fi fi if test "$cross_compiling" = no ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for SVR4 ptys..." >&5 printf "%s\n" "$as_me: checking for SVR4 ptys..." >&6;} sysvr4ptys= if test -c /dev/ptmx ; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { ptsname(0);grantpt(0);unlockpt(0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define HAVE_SVR4_PTYS 1" >>confdefs.h sysvr4ptys=1 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi fi ac_fn_c_check_func "$LINENO" "getpt" "ac_cv_func_getpt" if test "x$ac_cv_func_getpt" = xyes then : printf "%s\n" "@%:@define HAVE_GETPT 1" >>confdefs.h fi if test -z "$sysvr4ptys"; then for ac_func in openpty do : ac_fn_c_check_func "$LINENO" "openpty" "ac_cv_func_openpty" if test "x$ac_cv_func_openpty" = xyes then : printf "%s\n" "@%:@define HAVE_OPENPTY 1" >>confdefs.h else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for openpty in -lutil" >&5 printf %s "checking for openpty in -lutil... " >&6; } if test ${ac_cv_lib_util_openpty+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lutil $LIBS" cat confdefs.h - <<_ACEOF >conftest.$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 openpty (); int main (void) { return openpty (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_util_openpty=yes else $as_nop ac_cv_lib_util_openpty=no fi rm -f core conftest.err conftest.$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: $ac_cv_lib_util_openpty" >&5 printf "%s\n" "$ac_cv_lib_util_openpty" >&6; } if test "x$ac_cv_lib_util_openpty" = xyes then : printf "%s\n" "@%:@define HAVE_OPENPTY 1" >>confdefs.h LIBS="$LIBS -lutil" fi fi done fi if test "$cross_compiling" = no ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for ptyranges..." >&5 printf "%s\n" "$as_me: checking for ptyranges..." >&6;} if test -d /dev/ptym ; then pdir='/dev/ptym' else pdir='/dev' fi cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef M_UNIX YES_IS_DEFINED; #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "YES_IS_DEFINED" >/dev/null 2>&1 then : ptys=`echo /dev/ptyp??` else $as_nop ptys=`echo $pdir/pty??` fi rm -rf conftest* if test "$ptys" != "$pdir/pty??" ; then p0=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\).$/\1/g' | sort -u | tr -d '\012'` p1=`echo $ptys | tr ' ' '\012' | sed -e 's/^.*\(.\)$/\1/g' | sort -u | tr -d '\012'` printf "%s\n" "@%:@define PTYRANGE0 \"$p0\"" >>confdefs.h printf "%s\n" "@%:@define PTYRANGE1 \"$p1\"" >>confdefs.h fi fi @%:@ Check whether --with-pty-mode was given. if test ${with_pty_mode+y} then : withval=$with_pty_mode; ptymode="${withval}" fi @%:@ Check whether --with-pty-group was given. if test ${with_pty_group+y} then : withval=$with_pty_group; ptygrp="${withval}" fi test -n "$ptymode" || ptymode=0620 if test -n "$ptygrp" ; then printf "%s\n" "@%:@define PTYMODE $ptymode" >>confdefs.h printf "%s\n" "@%:@define PTYGROUP $ptygrp" >>confdefs.h else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking default tty permissions/group..." >&5 printf "%s\n" "$as_me: checking default tty permissions/group..." >&6;} rm -f conftest_grp if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; assuming ptys are world accessable" 1>&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include #include #include int main() { struct stat sb; char *x,*ttyname(); int om, m; FILE *fp; if (!(x = ttyname(0))) return 1; if (stat(x, &sb)) return 1; om = sb.st_mode; if (om & 002) return 0; m = system("mesg y"); if (m == -1 || m == 127) return 1; if (stat(x, &sb)) return 1; m = sb.st_mode; if (chmod(x, om)) return 1; if (m & 002) return 0; if (sb.st_gid == getgid()) return 1; if (!(fp=fopen("conftest_grp", "w"))) return 1; fprintf(fp, "%d\n", sb.st_gid); fclose(fp); return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : if test -f conftest_grp; then ptygrp=`cat conftest_grp` echo "- pty mode: $ptymode, group: $ptygrp" 1>&6 printf "%s\n" "@%:@define PTYMODE $ptymode" >>confdefs.h printf "%s\n" "@%:@define PTYGROUP $ptygrp" >>confdefs.h else echo "- ptys are world accessable" 1>&6 fi else $as_nop WRITEPATH='' XTERMPATH='' # Extract the first word of "write", so it can be a program name with args. set dummy write; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_WRITEPATH+y} then : printf %s "(cached) " >&6 else $as_nop case $WRITEPATH in [\\/]* | ?:[\\/]*) ac_cv_path_WRITEPATH="$WRITEPATH" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_WRITEPATH="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi WRITEPATH=$ac_cv_path_WRITEPATH if test -n "$WRITEPATH"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $WRITEPATH" >&5 printf "%s\n" "$WRITEPATH" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi # Extract the first word of "xterm", so it can be a program name with args. set dummy xterm; ac_word=$2 { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_word" >&5 printf %s "checking for $ac_word... " >&6; } if test ${ac_cv_path_XTERMPATH+y} then : printf %s "(cached) " >&6 else $as_nop case $XTERMPATH in [\\/]* | ?:[\\/]*) ac_cv_path_XTERMPATH="$XTERMPATH" # Let the user override the test with a path. ;; *) as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_exec_ext in '' $ac_executable_extensions; do if as_fn_executable_p "$as_dir$ac_word$ac_exec_ext"; then ac_cv_path_XTERMPATH="$as_dir$ac_word$ac_exec_ext" printf "%s\n" "$as_me:${as_lineno-$LINENO}: found $as_dir$ac_word$ac_exec_ext" >&5 break 2 fi done done IFS=$as_save_IFS ;; esac fi XTERMPATH=$ac_cv_path_XTERMPATH if test -n "$XTERMPATH"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $XTERMPATH" >&5 printf "%s\n" "$XTERMPATH" >&6; } else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } fi found= if test -n "$WRITEPATH$XTERMPATH"; then findfollow= lsfollow= found=`find $WRITEPATH $XTERMPATH -follow -print 2>/dev/null` if test -n "$found"; then findfollow=-follow lsfollow=L fi if test -n "$XTERMPATH"; then ptygrpn=`ls -l$lsfollow $XTERMPATH | sed -n -e 1p | $AWK '{print $4}'` if test tty != "$ptygrpn"; then XTERMPATH= fi fi fi if test -n "$WRITEPATH$XTERMPATH"; then found=`find $WRITEPATH $XTERMPATH $findfollow -perm -2000 -print` if test -n "$found"; then ptygrp=`ls -ln$lsfollow $found | sed -n -e 1p | $AWK '{print $4}'` echo "- pty mode: $ptymode, group: $ptygrp" 1>&6 printf "%s\n" "@%:@define PTYMODE $ptymode" >>confdefs.h printf "%s\n" "@%:@define PTYGROUP $ptygrp" >>confdefs.h else echo "- ptys are world accessable" 1>&6 fi else echo "- can not determine - assume ptys are world accessable" 1>&6 fi fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi rm -f conftest_grp fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking getutent..." >&5 printf "%s\n" "$as_me: checking getutent..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include /* to get time_t on SCO */ #include #if defined(SVR4) && !defined(DGUX) #include #define utmp utmpx #else #include #endif #ifdef __hpux #define pututline _pututline #endif int main (void) { int x = DEAD_PROCESS; pututline((struct utmp *)0); getutent(); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define GETUTENT 1" >>confdefs.h else $as_nop olibs="$LIBS" LIBS="$LIBS -lgen" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking getutent with -lgen..." >&5 printf "%s\n" "$as_me: checking getutent with -lgen..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #if defined(SVR4) && !defined(DGUX) #include #define utmp utmpx #else #include #endif #ifdef __hpux #define pututline _pututline #endif int main (void) { int x = DEAD_PROCESS; pututline((struct utmp *)0); getutent(); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define GETUTENT 1" >>confdefs.h else $as_nop LIBS="$olibs" fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking ut_host..." >&5 printf "%s\n" "$as_me: checking ut_host..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #if defined(SVR4) && !defined(DGUX) #include #define utmp utmpx #else #include #endif int main (void) { struct utmp u; u.ut_host[0] = 0; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : printf "%s\n" "@%:@define UTHOST 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext ac_fn_c_check_header_compile "$LINENO" "utempter.h" "ac_cv_header_utempter_h" "$ac_includes_default" if test "x$ac_cv_header_utempter_h" = xyes then : have_utempter=yes else $as_nop have_utempter=no fi if test "$have_utempter" = yes; then printf "%s\n" "@%:@define HAVE_UTEMPTER 1" >>confdefs.h LIBS="$LIBS -lutempter" fi if test "$cross_compiling" = no ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for libutil(s)..." >&5 printf "%s\n" "$as_me: checking for libutil(s)..." >&6;} test -f /usr/lib/libutils.a && LIBS="$LIBS -lutils" test -f /usr/lib/libutil.a && LIBS="$LIBS -lutil" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking getloadavg..." >&5 printf "%s\n" "$as_me: checking getloadavg..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { getloadavg((double *)0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define LOADAV_GETLOADAVG 1" >>confdefs.h load=1 else $as_nop if test "$cross_compiling" = no && test -f /usr/lib/libkvm.a ; then olibs="$LIBS" LIBS="$LIBS -lkvm" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking getloadavg with -lkvm..." >&5 printf "%s\n" "$as_me: checking getloadavg with -lkvm..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { getloadavg((double *)0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define LOADAV_GETLOADAVG 1" >>confdefs.h load=1 else $as_nop LIBS="$olibs" fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test -z "$load" ; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #if defined(NeXT) || defined(apollo) || defined(linux) YES_IS_DEFINED; #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "YES_IS_DEFINED" >/dev/null 2>&1 then : load=1 fi rm -rf conftest* fi if test -z "$load" && test "$cross_compiling" = no ; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for kernelfile..." >&5 printf "%s\n" "$as_me: checking for kernelfile..." >&6;} for core in /unix /vmunix /dynix /hp-ux /xelos /dev/ksyms /kernel/unix /kernel/genunix /unicos /mach /netbsd /386bsd /dgux /bsd /stand/vmunix; do if test -f $core || test -c $core; then break fi done if test ! -f $core && test ! -c $core ; then echo "- no kernelfile found" 1>&6 else echo "- using kernelfile '$core'" 1>&6 if test -r $core ; then printf "%s\n" "@%:@define LOADAV_UNIX \"$core\"" >>confdefs.h ac_fn_c_check_header_compile "$LINENO" "nlist.h" "ac_cv_header_nlist_h" "$ac_includes_default" if test "x$ac_cv_header_nlist_h" = xyes then : printf "%s\n" "@%:@define NLIST_STRUCT 1" >>confdefs.h { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking n_un in struct nlist..." >&5 printf "%s\n" "$as_me: checking n_un in struct nlist..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { struct nlist n; n.n_un.n_name = 0; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : printf "%s\n" "@%:@define NLIST_NAME_UNION 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for nlist declaration..." >&5 printf "%s\n" "$as_me: checking for nlist declaration..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef NLIST_STRUCT # include #else # include #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "nlist(( | )( | )*.*\(|\()" >/dev/null 2>&1 then : printf "%s\n" "@%:@define NLIST_DECLARED 1" >>confdefs.h fi rm -rf conftest* { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for avenrun symbol..." >&5 printf "%s\n" "$as_me: checking for avenrun symbol..." >&6;} nlist64= for av in avenrun _avenrun _Loadavg avenrun _avenrun _Loadavg; do if test "$cross_compiling" = yes then : { { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} as_fn_error $? "cannot run test program while cross compiling See \`config.log' for more details" "$LINENO" 5; } else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #ifdef NLIST_STRUCT #include #else #include #endif $nlist64 struct nlist nl[2]; int main() { #if !defined(_AUX_SOURCE) && !defined(AUX) # ifdef NLIST_NAME_UNION nl[0].n_un.n_name = "$av"; # else nl[0].n_name = "$av"; # endif #else strncpy(nl[0].n_name, "$av", sizeof(nl[0].n_name)); #endif nlist(LOADAV_UNIX, nl); if (nl[0].n_value == 0) return 1; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : avensym=$av;break fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi if test "$av" = _Loadavg; then nlist64='#define nlist nlist64' fi done if test -z "$avensym" ; then echo "- no avenrun symbol found" 1>&6 else echo "- using avenrun symbol '$avensym'" 1>&6 printf "%s\n" "@%:@define LOADAV_AVENRUN \"$avensym\"" >>confdefs.h if test -n "$nlist64"; then echo "- used nlist64 to find it" 1>&6 printf "%s\n" "@%:@define LOADAV_USE_NLIST64 1" >>confdefs.h fi load=1 fi else echo "Can't configure the load average display feature" 1>&6 echo "because $core is not readable by you." 1>&6 echo "To configure the load average display feature" 1>&6 echo "re-run configure as root if possible." 1>&6 echo "If you are not the system administrator then disregard" 1>&6 echo "this warning. You can still use screen without" 1>&6 echo "the load average display feature." 1>&6 fi fi fi cat > conftest.c < #include _CUT_HERE_ #if !defined(LOADAV_GETLOADAVG) && ((defined(hp300) && !defined(__hpux)) || defined(sun) || (defined(ultrix) && defined(mips)) || defined(_SEQUENT_) || defined(sgi) || (defined(SVR4) && !defined(__hpux)) || defined(sony_news) || (!defined(__osf__) && defined(__alpha)) || defined(_IBMR2) || defined(_AUX_SOURCE) || defined(AUX) || defined(m88k)) loadtype=long # if defined(apollo) || defined(_IBMR2) || defined(_AUX_SOURCE) || defined(AUX) loadscale=65536 # else # if defined(FSCALE) && !defined(__osf__) # undef FSCALE loadscale=FSCALE # else # ifdef sgi loadtype=int loadscale=1024 # else # if defined(MIPS) || defined(SVR4) || defined(m88k) loadscale=256 # else /* not MIPS */ loadscale=1000 /* our default value */ # endif /* MIPS */ # endif /* sgi */ # endif /* not FSCALE */ # endif /* not apollo */ #else loadtype=double loadscale=1 #endif #ifdef alliant loadnum=4 #else loadnum=3 #endif EOF eval "$ac_cpp conftest.c 2>&5 | sed -e '1,/_CUT_HERE_/d' -e 's/ //g' > conftest.out" . ./conftest.out rm -f conftest* if test -n "$load" ; then printf "%s\n" "@%:@define LOADAV 1" >>confdefs.h fi if test -n "$loadtype" ; then printf "%s\n" "@%:@define LOADAV_TYPE $loadtype" >>confdefs.h fi if test -n "$loadnum" ; then printf "%s\n" "@%:@define LOADAV_NUM $loadnum" >>confdefs.h fi if test -n "$loadscale" ; then printf "%s\n" "@%:@define LOADAV_SCALE $loadscale" >>confdefs.h fi if test -n "$posix" ; then echo "assuming posix signal definition" 1>&6 printf "%s\n" "@%:@define SIGVOID 1" >>confdefs.h else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking return type of signal handlers..." >&5 printf "%s\n" "$as_me: checking return type of signal handlers..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #ifdef signal #undef signal #endif extern void (*signal ()) (); int main (void) { int i; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : printf "%s\n" "@%:@define SIGVOID 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking sigset..." >&5 printf "%s\n" "$as_me: checking sigset..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { #ifdef SIGVOID sigset(0, (void (*)())0); #else sigset(0, (int (*)())0); #endif ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define USESIGSET 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking signal implementation..." >&5 printf "%s\n" "$as_me: checking signal implementation..." >&6;} if test "$cross_compiling" = yes then : : else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include #ifndef SIGCLD #define SIGCLD SIGCHLD #endif #ifdef USESIGSET #define signal sigset #endif int got; #ifdef SIGVOID void #endif hand() { got++; } int main() { /* on hpux we use sigvec to get bsd signals */ #ifdef __hpux (void)signal(SIGCLD, hand); kill(getpid(), SIGCLD); kill(getpid(), SIGCLD); if (got < 2) return 1; #endif return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : else $as_nop printf "%s\n" "@%:@define SYSVSIGS 1" >>confdefs.h fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for crypt and sec libraries..." >&5 printf "%s\n" "$as_me: checking for crypt and sec libraries..." >&6;} if test "$cross_compiling" = no ; then test -f /lib/libcrypt_d.a || test -f /usr/lib/libcrypt_d.a && LIBS="$LIBS -lcrypt_d" fi oldlibs="$LIBS" LIBS="$LIBS -lcrypt" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking crypt..." >&5 printf "%s\n" "$as_me: checking crypt..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="$oldlibs" fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext if test "$cross_compiling" = no ; then test -f /lib/libsec.a || test -f /usr/lib/libsec.a && LIBS="$LIBS -lsec" test -f /lib/libshadow.a || test -f /usr/lib/libshadow.a && LIBS="$LIBS -lshadow" fi oldlibs="$LIBS" LIBS="$LIBS -lsun" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking IRIX sun library..." >&5 printf "%s\n" "$as_me: checking IRIX sun library..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop LIBS="$oldlibs" fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking syslog..." >&5 printf "%s\n" "$as_me: checking syslog..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { closelog(); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : else $as_nop oldlibs="$LIBS" LIBS="$LIBS -lbsd" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking syslog in libbsd.a..." >&5 printf "%s\n" "$as_me: checking syslog in libbsd.a..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { closelog(); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : echo "- found." 1>&6 else $as_nop LIBS="$oldlibs" echo "- bad news: syslog missing." 1>&6 printf "%s\n" "@%:@define NOSYSLOG 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #ifdef M_UNIX YES_IS_DEFINED; #endif _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "YES_IS_DEFINED" >/dev/null 2>&1 then : LIBS="$LIBS -lsocket -lcrypt_i" fi rm -rf conftest* { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking wait union..." >&5 printf "%s\n" "$as_me: checking wait union..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { union wait x; int y; #ifdef WEXITSTATUS y = WEXITSTATUS(x); #endif ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : printf "%s\n" "@%:@define BSDWAIT 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test -z "$butterfly"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for termio or termios..." >&5 printf "%s\n" "$as_me: checking for termio or termios..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if ac_fn_c_try_cpp "$LINENO" then : printf "%s\n" "@%:@define TERMIO 1" >>confdefs.h else $as_nop if test -n "$posix"; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if ac_fn_c_try_cpp "$LINENO" then : printf "%s\n" "@%:@define TERMIO 1" >>confdefs.h fi rm -f conftest.err conftest.i conftest.$ac_ext fi fi rm -f conftest.err conftest.i conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking getspnam..." >&5 printf "%s\n" "$as_me: checking getspnam..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { getspnam("x"); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define SHADOWPW 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking getttyent..." >&5 printf "%s\n" "$as_me: checking getttyent..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { getttyent(); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define GETTTYENT 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking fdwalk..." >&5 printf "%s\n" "$as_me: checking fdwalk..." >&6;} cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { fdwalk(NULL, NULL); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : printf "%s\n" "@%:@define HAVE_FDWALK 1" >>confdefs.h fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether memcpy/memmove/bcopy handles overlapping arguments..." >&5 printf "%s\n" "$as_me: checking whether memcpy/memmove/bcopy handles overlapping arguments..." >&6;} if test "$cross_compiling" = yes then : : else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #include int main() { char buf[10]; strcpy(buf, "abcdefghi"); bcopy(buf, buf + 2, 3); if (strncmp(buf, "ababcf", 6)) return 1; strcpy(buf, "abcdefghi"); bcopy(buf + 2, buf, 3); if (strncmp(buf, "cdedef", 6)) return 1; return 0; /* libc version works properly. */ } _ACEOF if ac_fn_c_try_run "$LINENO" then : printf "%s\n" "@%:@define USEBCOPY 1" >>confdefs.h fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi if test "$cross_compiling" = yes then : echo "- skipping check because we are cross compiling; use memmove" 1>&6 printf "%s\n" "@%:@define USEMEMMOVE 1" >>confdefs.h else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #define bcopy(s,d,l) memmove(d,s,l) int main() { char buf[10]; strcpy(buf, "abcdefghi"); bcopy(buf, buf + 2, 3); if (strncmp(buf, "ababcf", 6)) return 1; strcpy(buf, "abcdefghi"); bcopy(buf + 2, buf, 3); if (strncmp(buf, "cdedef", 6)) return 1; return 0; /* libc version works properly. */ } _ACEOF if ac_fn_c_try_run "$LINENO" then : printf "%s\n" "@%:@define USEMEMMOVE 1" >>confdefs.h fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi if test "$cross_compiling" = yes then : : else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include #define bcopy(s,d,l) memcpy(d,s,l) int main() { char buf[10]; strcpy(buf, "abcdefghi"); bcopy(buf, buf + 2, 3); if (strncmp(buf, "ababcf", 6)) return 1; strcpy(buf, "abcdefghi"); bcopy(buf + 2, buf, 3); if (strncmp(buf, "cdedef", 6)) return 1; return 0; /* libc version works properly. */ } _ACEOF if ac_fn_c_try_run "$LINENO" then : printf "%s\n" "@%:@define USEMEMCPY 1" >>confdefs.h fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for long file names" >&5 printf %s "checking for long file names... " >&6; } if test ${ac_cv_sys_long_file_names+y} then : printf %s "(cached) " >&6 else $as_nop ac_cv_sys_long_file_names=yes # Test for long file names in all the places we know might matter: # . the current directory, where building will happen # $prefix/lib where we will be installing things # $exec_prefix/lib likewise # $TMPDIR if set, where it might want to write temporary files # /tmp where it might want to write temporary files # /var/tmp likewise # /usr/tmp likewise for ac_dir in . "$TMPDIR" /tmp /var/tmp /usr/tmp "$prefix/lib" "$exec_prefix/lib"; do # Skip $TMPDIR if it is empty or bogus, and skip $exec_prefix/lib # in the usual case where exec_prefix is '${prefix}'. case $ac_dir in #( . | /* | ?:[\\/]*) ;; #( *) continue;; esac test -w "$ac_dir/." || continue # It is less confusing to not echo anything here. ac_xdir=$ac_dir/cf$$ (umask 077 && mkdir "$ac_xdir" 2>/dev/null) || continue ac_tf1=$ac_xdir/conftest9012345 ac_tf2=$ac_xdir/conftest9012346 touch "$ac_tf1" 2>/dev/null && test -f "$ac_tf1" && test ! -f "$ac_tf2" || ac_cv_sys_long_file_names=no rm -f -r "$ac_xdir" 2>/dev/null test $ac_cv_sys_long_file_names = no && break done fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_sys_long_file_names" >&5 printf "%s\n" "$ac_cv_sys_long_file_names" >&6; } if test $ac_cv_sys_long_file_names = yes; then printf "%s\n" "@%:@define HAVE_LONG_FILE_NAMES 1" >>confdefs.h fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for vsprintf" >&5 printf %s "checking for vsprintf... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int main (void) { va_list valist; vsprintf(0,0,valist); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; };printf "%s\n" "@%:@define USEVARARGS 1" >>confdefs.h 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_exeext conftest.$ac_ext ac_header_dirent=no for ac_hdr in dirent.h sys/ndir.h sys/dir.h ndir.h; do as_ac_Header=`printf "%s\n" "ac_cv_header_dirent_$ac_hdr" | $as_tr_sh` { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for $ac_hdr that defines DIR" >&5 printf %s "checking for $ac_hdr that defines DIR... " >&6; } if eval test \${$as_ac_Header+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include <$ac_hdr> int main (void) { if ((DIR *) 0) return 0; ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : eval "$as_ac_Header=yes" else $as_nop eval "$as_ac_Header=no" fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext fi eval ac_res=\$$as_ac_Header { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_res" >&5 printf "%s\n" "$ac_res" >&6; } if eval test \"x\$"$as_ac_Header"\" = x"yes" then : cat >>confdefs.h <<_ACEOF @%:@define `printf "%s\n" "HAVE_$ac_hdr" | $as_tr_cpp` 1 _ACEOF ac_header_dirent=$ac_hdr; break fi done # Two versions of opendir et al. are in -ldir and -lx on SCO Xenix. if test $ac_header_dirent = dirent.h; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5 printf %s "checking for library containing opendir... " >&6; } if test ${ac_cv_search_opendir+y} then : printf %s "(cached) " >&6 else $as_nop ac_func_search_save_LIBS=$LIBS cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char opendir (); int main (void) { return opendir (); ; return 0; } _ACEOF for ac_lib in '' dir do if test -z "$ac_lib"; then ac_res="none required" else ac_res=-l$ac_lib LIBS="-l$ac_lib $ac_func_search_save_LIBS" fi if ac_fn_c_try_link "$LINENO" then : ac_cv_search_opendir=$ac_res fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext if test ${ac_cv_search_opendir+y} then : break fi done if test ${ac_cv_search_opendir+y} then : else $as_nop ac_cv_search_opendir=no fi rm conftest.$ac_ext LIBS=$ac_func_search_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5 printf "%s\n" "$ac_cv_search_opendir" >&6; } ac_res=$ac_cv_search_opendir if test "$ac_res" != no then : test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing opendir" >&5 printf %s "checking for library containing opendir... " >&6; } if test ${ac_cv_search_opendir+y} then : printf %s "(cached) " >&6 else $as_nop ac_func_search_save_LIBS=$LIBS cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char opendir (); int main (void) { return opendir (); ; return 0; } _ACEOF for ac_lib in '' x do if test -z "$ac_lib"; then ac_res="none required" else ac_res=-l$ac_lib LIBS="-l$ac_lib $ac_func_search_save_LIBS" fi if ac_fn_c_try_link "$LINENO" then : ac_cv_search_opendir=$ac_res fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext if test ${ac_cv_search_opendir+y} then : break fi done if test ${ac_cv_search_opendir+y} then : else $as_nop ac_cv_search_opendir=no fi rm conftest.$ac_ext LIBS=$ac_func_search_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_opendir" >&5 printf "%s\n" "$ac_cv_search_opendir" >&6; } ac_res=$ac_cv_search_opendir if test "$ac_res" != no then : test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for setenv" >&5 printf %s "checking for setenv... " >&6; } if test -z "$ac_setenv_args"; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { setenv((char *) 0, (char *) 0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_setenv_args=3 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi if test -z "$ac_setenv_args"; then cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { setenv((char *) 0, (char *) 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_setenv_args=2 fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext fi if test -n "$ac_setenv_args"; then printf "%s\n" "@%:@define USESETENV 1" >>confdefs.h if test "$ac_setenv_args" = 3; then printf "%s\n" "@%:@define HAVE_SETENV_3 1" >>confdefs.h elif test "$ac_setenv_args" = 2; then printf "%s\n" "@%:@define HAVE_SETENV_2 1" >>confdefs.h fi else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for putenv" >&5 printf %s "checking for putenv... 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