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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" # Check that the precious variables saved in the cache have kept the same # value. ac_cache_corrupted=false for ac_var in $ac_precious_vars; do eval ac_old_set=\$ac_cv_env_${ac_var}_set eval ac_new_set=\$ac_env_${ac_var}_set eval ac_old_val=\$ac_cv_env_${ac_var}_value eval ac_new_val=\$ac_env_${ac_var}_value case $ac_old_set,$ac_new_set in set,) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was set to \`$ac_old_val' in the previous run" >&2;} ac_cache_corrupted=: ;; ,set) { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' was not set in the previous run" >&5 printf "%s\n" "$as_me: error: \`$ac_var' was not set in the previous run" >&2;} ac_cache_corrupted=: ;; ,);; *) if test "x$ac_old_val" != "x$ac_new_val"; then # differences in whitespace do not lead to failure. ac_old_val_w=`echo x $ac_old_val` ac_new_val_w=`echo x $ac_new_val` if test "$ac_old_val_w" != "$ac_new_val_w"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: \`$ac_var' has changed since the previous run:" >&5 printf "%s\n" "$as_me: error: \`$ac_var' has changed since the previous run:" >&2;} ac_cache_corrupted=: else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&5 printf "%s\n" "$as_me: warning: ignoring whitespace changes in \`$ac_var' since the previous run:" >&2;} eval $ac_var=\$ac_old_val fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: former value: \`$ac_old_val'" >&5 printf "%s\n" "$as_me: former value: \`$ac_old_val'" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: current value: \`$ac_new_val'" >&5 printf "%s\n" "$as_me: current value: \`$ac_new_val'" >&2;} fi;; esac # Pass precious variables to config.status. if test "$ac_new_set" = set; then case $ac_new_val in *\'*) ac_arg=$ac_var=`printf "%s\n" "$ac_new_val" | sed "s/'/'\\\\\\\\''/g"` ;; *) ac_arg=$ac_var=$ac_new_val ;; esac case " $ac_configure_args " in *" '$ac_arg' "*) ;; # Avoid dups. Use of quotes ensures accuracy. *) as_fn_append ac_configure_args " '$ac_arg'" ;; esac fi done if $ac_cache_corrupted; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: in \`$ac_pwd':" >&5 printf "%s\n" "$as_me: error: in \`$ac_pwd':" >&2;} { printf "%s\n" "$as_me:${as_lineno-$LINENO}: error: changes in the environment can compromise the build" >&5 printf "%s\n" "$as_me: error: changes in the environment can compromise the build" >&2;} as_fn_error $? "run \`${MAKE-make} distclean' and/or \`rm $cache_file' and start over" "$LINENO" 5 fi ## -------------------- ## ## Main body of script. ## ## -------------------- ## ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu config_file=config.mak.autogen config_in=config.mak.in config_appended_defs=; newline=' ' ac_config_commands="$ac_config_commands $config_file" config_appended_defs="$config_appended_defs${newline}AUTOCONFIGURED=YesPlease" # Directories holding "saner" versions of common or POSIX binaries. # Check whether --with-sane-tool-path was given. if test ${with_sane_tool_path+y} then : withval=$with_sane_tool_path; if test "$withval" = "no"; then withval='' else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting SANE_TOOL_PATH to '$withval'" >&5 printf "%s\n" "$as_me: Setting SANE_TOOL_PATH to '$withval'" >&6;} fi config_appended_defs="$config_appended_defs${newline}SANE_TOOL_PATH=$withval" else $as_nop # If the "--with-sane-tool-path" option was not given, don't touch # SANE_TOOL_PATH here, but let defaults in Makefile take care of it. # This should minimize spurious differences in the behaviour of the # Git build system when configure is used w.r.t. when it is not. : fi ## Site configuration related to programs (before tests) ## --with-PACKAGE[=ARG] and --without-PACKAGE # # Set lib to alternative name of lib directory (e.g. lib64) # Check whether --with-lib was given. if test ${with_lib+y} then : withval=$with_lib; if test "$withval" = "no" || test "$withval" = "yes"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: WARNING: You should provide name for --with-lib=ARG" >&5 printf "%s\n" "$as_me: WARNING: You should provide name for --with-lib=ARG" >&2;} else lib=$withval { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting lib to '$lib'" >&5 printf "%s\n" "$as_me: Setting lib to '$lib'" >&6;} config_appended_defs="$config_appended_defs${newline}lib=${lib}" fi fi if test -z "$lib"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting lib to 'lib' (the default)" >&5 printf "%s\n" "$as_me: Setting lib to 'lib' (the default)" >&6;} lib=lib fi # Check whether --enable-pthreads was given. if test ${enable_pthreads+y} then : enableval=$enable_pthreads; if test "x$enableval" = "xyes"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Will try -pthread then -lpthread to enable POSIX Threads" >&5 printf "%s\n" "$as_me: Will try -pthread then -lpthread to enable POSIX Threads" >&6;} elif test "x$enableval" != "xno"; then PTHREAD_CFLAGS=$enableval { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads" >&5 printf "%s\n" "$as_me: Setting '$PTHREAD_CFLAGS' as the FLAGS to enable POSIX Threads" >&6;} else { printf "%s\n" "$as_me:${as_lineno-$LINENO}: POSIX Threads will be disabled." >&5 printf "%s\n" "$as_me: POSIX Threads will be disabled." >&6;} NO_PTHREADS=YesPlease USER_NOPTHREAD=1 fi else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Will try -pthread then -lpthread to enable POSIX Threads." >&5 printf "%s\n" "$as_me: Will try -pthread then -lpthread to enable POSIX Threads." >&6;} fi # Define option to enable JavaScript minification # Check whether --enable-jsmin was given. if test ${enable_jsmin+y} then : enableval=$enable_jsmin; JSMIN=$enableval; { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting JSMIN to '$JSMIN' to enable JavaScript minifying" >&5 printf "%s\n" "$as_me: Setting JSMIN to '$JSMIN' to enable JavaScript minifying" >&6;} config_appended_defs="$config_appended_defs${newline}JSMIN=${JSMIN}" fi # Define option to enable CSS minification # Check whether --enable-cssmin was given. if test ${enable_cssmin+y} then : enableval=$enable_cssmin; CSSMIN=$enableval; { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting CSSMIN to '$CSSMIN' to enable CSS minifying" >&5 printf "%s\n" "$as_me: Setting CSSMIN to '$CSSMIN' to enable CSS minifying" >&6;} config_appended_defs="$config_appended_defs${newline}CSSMIN=${CSSMIN}" fi ## Site configuration (override autodetection) ## --with-PACKAGE[=ARG] and --without-PACKAGE { printf "%s\n" "$as_me:${as_lineno-$LINENO}: CHECKS for site configuration" >&5 printf "%s\n" "$as_me: CHECKS for site configuration" >&6;} # # Define NO_SVN_TESTS if you want to skip time-consuming SVN interoperability # tests. These tests take up a significant amount of the total test time # but are not needed unless you plan to talk to SVN repos. # # Define NO_OPENSSL environment variable if you do not have OpenSSL. # # Define OPENSSLDIR=/foo/bar if your openssl header and library files are in # /foo/bar/include and /foo/bar/lib directories. # Check whether --with-openssl was given. if test ${with_openssl+y} then : withval=$with_openssl; if test "$withval" = "no"; then NO_OPENSSL=YesPlease elif test "$withval" = "yes"; then NO_OPENSSL= else NO_OPENSSL= OPENSSLDIR=$withval { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting OPENSSLDIR to $withval" >&5 printf "%s\n" "$as_me: Setting OPENSSLDIR to $withval" >&6;} config_appended_defs="$config_appended_defs${newline}OPENSSLDIR=$withval" fi fi # Define USE_LIBPCRE if you have and want to use libpcre. Various # commands such as log and grep offer runtime options to use # Perl-compatible regular expressions instead of standard or extended # POSIX regular expressions. Only libpcre version 2 is supported. # # Define LIBPCREDIR=/foo/bar if your PCRE header and library files are in # /foo/bar/include and /foo/bar/lib directories. # # Check whether --with-libpcre1 was given. if test ${with_libpcre1+y} then : withval=$with_libpcre1; as_fn_error $? "support for --with-libpcre1 has been removed. Use --with-libpcre2!" "$LINENO" 5 fi # Check whether --with-libpcre was given. if test ${with_libpcre+y} then : withval=$with_libpcre; if test "$withval" = "no"; then USE_LIBPCRE2= elif test "$withval" = "yes"; then USE_LIBPCRE2=YesPlease else USE_LIBPCRE2=YesPlease LIBPCREDIR=$withval { printf "%s\n" "$as_me:${as_lineno-$LINENO}: Setting LIBPCREDIR to $LIBPCREDIR" >&5 printf "%s\n" "$as_me: Setting LIBPCREDIR to $LIBPCREDIR" >&6;} config_appended_defs="$config_appended_defs${newline}LIBPCREDIR=${LIBPCREDIR}" fi fi # Check whether --with-libpcre2 was given. if test ${with_libpcre2+y} then : withval=$with_libpcre2; if test -n "$USE_LIBPCRE2"; then as_fn_error $? "Only supply one of --with-libpcre or its synonym --with-libpcre2!" 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" >&6; } if test ${ac_cv_lib_crypto_SHA1_Init+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcrypto $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char pcre2_config_8 (); int main (void) { return pcre2_config_8 (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_pcre2_8_pcre2_config_8=yes else $as_nop ac_cv_lib_pcre2_8_pcre2_config_8=no fi rm -f core conftest.err conftest.$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: $ac_cv_lib_pcre2_8_pcre2_config_8" >&5 printf "%s\n" "$ac_cv_lib_pcre2_8_pcre2_config_8" >&6; } if test "x$ac_cv_lib_pcre2_8_pcre2_config_8" = xyes then : USE_LIBPCRE2=YesPlease else $as_nop USE_LIBPCRE2= fi if test -n "$LIBPCREDIR"; then CPPFLAGS="$old_CPPFLAGS" LDFLAGS="$old_LDFLAGS" fi config_appended_defs="$config_appended_defs${newline}USE_LIBPCRE2=${USE_LIBPCRE2}" fi # # Define NO_CURL if you do not have libcurl installed. git-http-pull and # git-http-push are not built, and you cannot use http:// and https:// # transports. if test -n "$CURLDIR"; then old_CPPFLAGS="$CPPFLAGS" old_LDFLAGS="$LDFLAGS" CPPFLAGS="-I$CURLDIR/include $CPPFLAGS" LDFLAGS="-L$CURLDIR/$lib $LDFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for curl_global_init in -lcurl" >&5 printf %s "checking for curl_global_init in -lcurl... " >&6; } if test ${ac_cv_lib_curl_curl_global_init+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lcurl $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char XML_ParserCreate (); int main (void) { return XML_ParserCreate (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_expat_XML_ParserCreate=yes else $as_nop ac_cv_lib_expat_XML_ParserCreate=no fi rm -f core conftest.err conftest.$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: $ac_cv_lib_expat_XML_ParserCreate" >&5 printf "%s\n" "$ac_cv_lib_expat_XML_ParserCreate" >&6; } if test "x$ac_cv_lib_expat_XML_ParserCreate" = xyes then : NO_EXPAT= else $as_nop NO_EXPAT=YesPlease fi if test -n "$EXPATDIR"; then CPPFLAGS="$old_CPPFLAGS" LDFLAGS="$old_LDFLAGS" fi config_appended_defs="$config_appended_defs${newline}NO_EXPAT=${NO_EXPAT}" # # Define NEEDS_LIBICONV if linking with libc is not enough (Darwin and # some Solaris installations). # Define NO_ICONV if neither libc nor libiconv support iconv. if test -z "$NO_ICONV"; then if test -n "$ICONVDIR"; then old_CPPFLAGS="$CPPFLAGS" old_LDFLAGS="$LDFLAGS" CPPFLAGS="-I$ICONVDIR/include $CPPFLAGS" LDFLAGS="-L$ICONVDIR/$lib $LDFLAGS" fi if test -n "$ICONVDIR"; then lib_order="-liconv -lc" else lib_order="-lc -liconv" fi NO_ICONV=YesPlease for l in $lib_order; do if test "$l" = "-liconv"; then NEEDS_LIBICONV=YesPlease else NEEDS_LIBICONV= fi old_LIBS="$LIBS" LIBS="$LIBS $l" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for iconv in $l" >&5 printf %s "checking for iconv in $l... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { iconv_open("", ""); ; 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; } NO_ICONV= break 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.$ac_ext LIBS="$old_LIBS" done #in case of break LIBS="$old_LIBS" if test -n "$ICONVDIR"; then CPPFLAGS="$old_CPPFLAGS" LDFLAGS="$old_LDFLAGS" fi config_appended_defs="$config_appended_defs${newline}NEEDS_LIBICONV=${NEEDS_LIBICONV}" config_appended_defs="$config_appended_defs${newline}NO_ICONV=${NO_ICONV}" if test -n "$NO_ICONV"; then NEEDS_LIBICONV= fi fi # # Define NO_DEFLATE_BOUND if deflateBound is missing from zlib. if test -n "$ZLIB_PATH"; then old_CPPFLAGS="$CPPFLAGS" old_LDFLAGS="$LDFLAGS" CPPFLAGS="-I$ZLIB_PATH/include $CPPFLAGS" LDFLAGS="-L$ZLIB_PATH/$lib $LDFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for deflateBound in -lz" >&5 printf %s "checking for deflateBound in -lz... " >&6; } old_LIBS="$LIBS" LIBS="$LIBS -lz" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { deflateBound(0, 0); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } NO_DEFLATE_BOUND=yes fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext LIBS="$old_LIBS" if test -n "$ZLIB_PATH"; then CPPFLAGS="$old_CPPFLAGS" LDFLAGS="$old_LDFLAGS" fi config_appended_defs="$config_appended_defs${newline}NO_DEFLATE_BOUND=${NO_DEFLATE_BOUND}" # # Define NEEDS_SOCKET if linking with libc is not enough (SunOS, # Patrick Mauritz). { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socket in -lc" >&5 printf %s "checking for socket in -lc... " >&6; } if test ${ac_cv_lib_c_socket+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lc $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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NEEDS_RESOLV= # # Define NO_INET_NTOP if linking with -lresolv is not enough. # Solaris 2.7 in particular hos inet_ntop in -lresolv. NO_INET_NTOP= ac_fn_c_check_func "$LINENO" "inet_ntop" "ac_cv_func_inet_ntop" if test "x$ac_cv_func_inet_ntop" = xyes then : else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for inet_ntop in -lresolv" >&5 printf %s "checking for inet_ntop in -lresolv... " >&6; } if test ${ac_cv_lib_resolv_inet_ntop+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lresolv $LIBS" cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. 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" >&6; } if test ${ac_cv_lib_c_basename+y} then : printf %s "(cached) " >&6 else $as_nop ac_check_lib_save_LIBS=$LIBS LIBS="-lc $LIBS" cat confdefs.h - <<_ACEOF >conftest.$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 basename (); int main (void) { return basename (); ; return 0; } _ACEOF if ac_fn_c_try_link "$LINENO" then : ac_cv_lib_c_basename=yes else $as_nop ac_cv_lib_c_basename=no fi rm -f core conftest.err conftest.$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: $ac_cv_lib_c_basename" >&5 printf "%s\n" "$ac_cv_lib_c_basename" >&6; } if test "x$ac_cv_lib_c_basename" = xyes then : NEEDS_LIBGEN= else $as_nop NEEDS_LIBGEN=YesPlease fi config_appended_defs="$config_appended_defs${newline}NEEDS_LIBGEN=${NEEDS_LIBGEN}" test -n "$NEEDS_LIBGEN" && LIBS="$LIBS -lgen" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking if libc contains libintl" >&5 printf %s "checking if libc contains libintl... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include int main (void) { char *msg = gettext("test"); ; 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; } LIBC_CONTAINS_LIBINTL=YesPlease else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } LIBC_CONTAINS_LIBINTL= fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext conftest.$ac_ext config_appended_defs="$config_appended_defs${newline}LIBC_CONTAINS_LIBINTL=${LIBC_CONTAINS_LIBINTL}" # # Define NO_GETTEXT if you don't want Git output to be translated. # A translated Git requires GNU libintl or another gettext implementation ac_fn_c_check_header_compile "$LINENO" "libintl.h" "ac_cv_header_libintl_h" "$ac_includes_default" if test "x$ac_cv_header_libintl_h" = xyes then : NO_GETTEXT= else $as_nop NO_GETTEXT=YesPlease fi config_appended_defs="$config_appended_defs${newline}NO_GETTEXT=${NO_GETTEXT}" if test -z "$NO_GETTEXT"; then test -n "$LIBC_CONTAINS_LIBINTL" || LIBS="$LIBS -lintl" fi ## Checks for header files. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: CHECKS for header files" >&5 printf "%s\n" "$as_me: CHECKS for header files" >&6;} # # Define NO_SYS_SELECT_H if you don't have sys/select.h. ac_fn_c_check_header_compile "$LINENO" "sys/select.h" "ac_cv_header_sys_select_h" "$ac_includes_default" if test "x$ac_cv_header_sys_select_h" = xyes then : NO_SYS_SELECT_H= else $as_nop NO_SYS_SELECT_H=UnfortunatelyYes fi config_appended_defs="$config_appended_defs${newline}NO_SYS_SELECT_H=${NO_SYS_SELECT_H}" # # Define NO_POLL_H if you don't have poll.h ac_fn_c_check_header_compile "$LINENO" "poll.h" "ac_cv_header_poll_h" "$ac_includes_default" if test "x$ac_cv_header_poll_h" = xyes then : NO_POLL_H= else $as_nop NO_POLL_H=UnfortunatelyYes fi config_appended_defs="$config_appended_defs${newline}NO_POLL_H=${NO_POLL_H}" # # Define NO_SYS_POLL_H if you don't have sys/poll.h ac_fn_c_check_header_compile "$LINENO" "sys/poll.h" "ac_cv_header_sys_poll_h" "$ac_includes_default" if test "x$ac_cv_header_sys_poll_h" = xyes then : NO_SYS_POLL_H= else $as_nop NO_SYS_POLL_H=UnfortunatelyYes fi config_appended_defs="$config_appended_defs${newline}NO_SYS_POLL_H=${NO_SYS_POLL_H}" # # Define NO_INTTYPES_H if you don't have inttypes.h ac_fn_c_check_header_compile "$LINENO" "inttypes.h" "ac_cv_header_inttypes_h" "$ac_includes_default" if test "x$ac_cv_header_inttypes_h" = xyes then : NO_INTTYPES_H= else $as_nop NO_INTTYPES_H=UnfortunatelyYes fi config_appended_defs="$config_appended_defs${newline}NO_INTTYPES_H=${NO_INTTYPES_H}" # # Define OLD_ICONV if your library has an old iconv(), where the second # (input buffer pointer) parameter is declared with type (const char **). if test -n "$ICONVDIR"; then old_CPPFLAGS="$CPPFLAGS" old_LDFLAGS="$LDFLAGS" CPPFLAGS="-I$ICONVDIR/include $CPPFLAGS" LDFLAGS="-L$ICONVDIR/$lib $LDFLAGS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for old iconv()" >&5 printf %s "checking for old iconv()... " >&6; } cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include extern size_t iconv(iconv_t cd, char **inbuf, size_t *inbytesleft, char **outbuf, size_t *outbytesleft); int main (void) { ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: no" >&5 printf "%s\n" "no" >&6; } else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: yes" >&5 printf "%s\n" "yes" >&6; } printf "%s\n" "#define HAVE_OLD_ICONV 1" >>confdefs.h OLD_ICONV=UnfortunatelyYes fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext if test -n "$ICONVDIR"; then CPPFLAGS="$old_CPPFLAGS" LDFLAGS="$old_LDFLAGS" fi config_appended_defs="$config_appended_defs${newline}OLD_ICONV=${OLD_ICONV}" # # Define ICONV_OMITS_BOM if you are on a system which # iconv omits bom for utf-{16,32} if test -z "$NO_ICONV"; then { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether iconv omits bom for utf-16 and utf-32" >&5 printf %s "checking whether iconv omits bom for utf-16 and utf-32... " >&6; } if test ${ac_cv_iconv_omits_bom+y} then : printf %s "(cached) " >&6 else $as_nop old_LIBS="$LIBS" if test -n "$NEEDS_LIBICONV"; then LIBS="$LIBS -liconv" fi 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. */ $ac_includes_default #include #ifdef HAVE_OLD_ICONV typedef const char *iconv_ibp; #else typedef char *iconv_ibp; #endif int main (void) { int v; iconv_t conv; char in[] = "a"; iconv_ibp pin = in; char out[20] = ""; char *pout = out; size_t isz = sizeof in; size_t osz = sizeof out; conv = iconv_open("UTF-16", "UTF-8"); iconv(conv, &pin, &isz, &pout, &osz); iconv_close(conv); v = (unsigned char)(out[0]) + (unsigned char)(out[1]); return v != 0xfe + 0xff; ; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : ac_cv_iconv_omits_bom=no else $as_nop ac_cv_iconv_omits_bom=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi LIBS="$old_LIBS" fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_iconv_omits_bom" >&5 printf "%s\n" "$ac_cv_iconv_omits_bom" >&6; } if test "x$ac_cv_iconv_omits_bom" = xyes; then ICONV_OMITS_BOM=Yes else ICONV_OMITS_BOM= fi config_appended_defs="$config_appended_defs${newline}ICONV_OMITS_BOM=${ICONV_OMITS_BOM}" fi ## Checks for typedefs, structures, and compiler characteristics. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: CHECKS for typedefs, structures, and compiler characteristics" >&5 printf "%s\n" "$as_me: CHECKS for typedefs, structures, and compiler characteristics" >&6;} # ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "#include #include " if test "x$ac_cv_type_socklen_t" = xyes then : else $as_nop { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for socklen_t equivalent" >&5 printf %s "checking for socklen_t equivalent... " >&6; } if test ${git_cv_socklen_t_equiv+y} then : printf %s "(cached) " >&6 else $as_nop # Systems have either "struct sockaddr *" or # "void *" as the second argument to getpeername git_cv_socklen_t_equiv= for arg2 in "struct sockaddr" void; do for t in int size_t unsigned long "unsigned long"; do cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include #include int getpeername (int, $arg2 *, $t *); int main (void) { $t len; getpeername(0,0,&len); ; return 0; } _ACEOF if ac_fn_c_try_compile "$LINENO" then : git_cv_socklen_t_equiv="$t" break 2 fi rm -f core conftest.err conftest.$ac_objext conftest.beam conftest.$ac_ext done done if test "x$git_cv_socklen_t_equiv" = x; then as_fn_error $? "Cannot find a type to use in place of socklen_t" "$LINENO" 5 fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $git_cv_socklen_t_equiv" >&5 printf "%s\n" "$git_cv_socklen_t_equiv" >&6; } printf "%s\n" "#define socklen_t $git_cv_socklen_t_equiv" >>confdefs.h fi case $ac_cv_type_socklen_t in yes) SOCKLEN_T='';; *) SOCKLEN_T=$git_cv_socklen_t_equiv;; esac config_appended_defs="$config_appended_defs${newline}SOCKLEN_T=${SOCKLEN_T}" # # Define NO_STRUCT_ITIMERVAL if you don't have struct itimerval. ac_fn_c_check_type "$LINENO" "struct itimerval" "ac_cv_type_struct_itimerval" "#include " if test "x$ac_cv_type_struct_itimerval" = xyes then : printf "%s\n" "#define HAVE_STRUCT_ITIMERVAL 1" >>confdefs.h NO_STRUCT_ITIMERVAL= else $as_nop NO_STRUCT_ITIMERVAL=UnfortunatelyYes fi config_appended_defs="$config_appended_defs${newline}NO_STRUCT_ITIMERVAL=${NO_STRUCT_ITIMERVAL}" # # Define USE_ST_TIMESPEC=YesPlease when stat.st_mtimespec.tv_nsec exists. # Define NO_NSEC=YesPlease when neither stat.st_mtim.tv_nsec nor # stat.st_mtimespec.tv_nsec exists. ac_fn_c_check_member "$LINENO" "struct stat" "st_mtimespec.tv_nsec" "ac_cv_member_struct_stat_st_mtimespec_tv_nsec" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec" = xyes then : fi ac_fn_c_check_member "$LINENO" "struct stat" "st_mtim.tv_nsec" "ac_cv_member_struct_stat_st_mtim_tv_nsec" "$ac_includes_default" if test "x$ac_cv_member_struct_stat_st_mtim_tv_nsec" = xyes then : fi if test x$ac_cv_member_struct_stat_st_mtimespec_tv_nsec = xyes; then USE_ST_TIMESPEC=YesPlease config_appended_defs="$config_appended_defs${newline}USE_ST_TIMESPEC=${USE_ST_TIMESPEC}" elif test x$ac_cv_member_struct_stat_st_mtim_tv_nsec != xyes; then NO_NSEC=YesPlease config_appended_defs="$config_appended_defs${newline}NO_NSEC=${NO_NSEC}" fi # # Define NO_D_TYPE_IN_DIRENT if your platform defines DT_UNKNOWN but lacks # d_type in struct dirent (latest Cygwin -- will be fixed soonish). ac_fn_c_check_member "$LINENO" "struct dirent" "d_type" "ac_cv_member_struct_dirent_d_type" "#include " if test "x$ac_cv_member_struct_dirent_d_type" = xyes then : NO_D_TYPE_IN_DIRENT= else $as_nop NO_D_TYPE_IN_DIRENT=YesPlease fi config_appended_defs="$config_appended_defs${newline}NO_D_TYPE_IN_DIRENT=${NO_D_TYPE_IN_DIRENT}" # # Define NO_GECOS_IN_PWENT if you don't have pw_gecos in struct passwd # in the C library. ac_fn_c_check_member "$LINENO" "struct passwd" "pw_gecos" "ac_cv_member_struct_passwd_pw_gecos" "#include " if test "x$ac_cv_member_struct_passwd_pw_gecos" = xyes then : NO_GECOS_IN_PWENT= else $as_nop NO_GECOS_IN_PWENT=YesPlease fi config_appended_defs="$config_appended_defs${newline}NO_GECOS_IN_PWENT=${NO_GECOS_IN_PWENT}" # # Define NO_SOCKADDR_STORAGE if your platform does not have struct # sockaddr_storage. ac_fn_c_check_type "$LINENO" "struct sockaddr_storage" "ac_cv_type_struct_sockaddr_storage" " #include #include " if test "x$ac_cv_type_struct_sockaddr_storage" = xyes then : NO_SOCKADDR_STORAGE= else $as_nop NO_SOCKADDR_STORAGE=YesPlease fi config_appended_defs="$config_appended_defs${newline}NO_SOCKADDR_STORAGE=${NO_SOCKADDR_STORAGE}" # # Define NO_IPV6 if you lack IPv6 support and getaddrinfo(). ac_fn_c_check_type "$LINENO" "struct addrinfo" "ac_cv_type_struct_addrinfo" " #include #include #include " if test "x$ac_cv_type_struct_addrinfo" = xyes then : ac_fn_c_check_func "$LINENO" "getaddrinfo" "ac_cv_func_getaddrinfo" if test "x$ac_cv_func_getaddrinfo" = xyes then : { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for library containing getaddrinfo" >&5 printf %s "checking for library containing getaddrinfo... " >&6; } if test ${ac_cv_search_getaddrinfo+y} then : printf %s "(cached) " >&6 else $as_nop ac_func_search_save_LIBS=$LIBS cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ /* Override any GCC internal prototype to avoid an error. Use char because int might match the return type of a GCC builtin and then its argument prototype would still apply. */ char getaddrinfo (); int main (void) { return getaddrinfo (); ; return 0; } _ACEOF for ac_lib in '' do if test -z "$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_getaddrinfo=$ac_res fi rm -f core conftest.err conftest.$ac_objext conftest.beam \ conftest$ac_exeext if test ${ac_cv_search_getaddrinfo+y} then : break fi done if test ${ac_cv_search_getaddrinfo+y} then : else $as_nop ac_cv_search_getaddrinfo=no fi rm conftest.$ac_ext LIBS=$ac_func_search_save_LIBS fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_getaddrinfo" >&5 printf "%s\n" "$ac_cv_search_getaddrinfo" >&6; } ac_res=$ac_cv_search_getaddrinfo if test "$ac_res" != no then : test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" NO_IPV6= else $as_nop NO_IPV6=YesPlease fi else $as_nop NO_IPV6=YesPlease fi else $as_nop NO_IPV6=YesPlease fi config_appended_defs="$config_appended_defs${newline}NO_IPV6=${NO_IPV6}" # # Define NO_REGEX if your C library lacks regex support with REG_STARTEND # feature. ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5 printf %s "checking how to run the C preprocessor... " >&6; } # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= fi if test -z "$CPP"; then if test ${ac_cv_prog_CPP+y} then : printf %s "(cached) " >&6 else $as_nop # Double quotes because $CC needs to be expanded for CPP in "$CC -E" "$CC -E -traditional-cpp" cpp /lib/cpp do ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include Syntax error _ACEOF if ac_fn_c_try_cpp "$LINENO" then : else $as_nop # Broken: fails on valid input. continue fi rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if ac_fn_c_try_cpp "$LINENO" then : # Broken: success on invalid input. continue else $as_nop # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.i conftest.err conftest.$ac_ext if $ac_preproc_ok then : break fi done ac_cv_prog_CPP=$CPP fi CPP=$ac_cv_prog_CPP else ac_cv_prog_CPP=$CPP fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $CPP" >&5 printf "%s\n" "$CPP" >&6; } ac_preproc_ok=false for ac_c_preproc_warn_flag in '' yes do # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include Syntax error _ACEOF if ac_fn_c_try_cpp "$LINENO" then : else $as_nop # Broken: fails on valid input. continue fi rm -f conftest.err conftest.i conftest.$ac_ext # OK, works on sane cases. Now check whether nonexistent headers # can be detected and how. cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ #include _ACEOF if ac_fn_c_try_cpp "$LINENO" then : # Broken: success on invalid input. continue else $as_nop # Passes both tests. ac_preproc_ok=: break fi rm -f conftest.err conftest.i conftest.$ac_ext done # Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped. rm -f conftest.i conftest.err conftest.$ac_ext if $ac_preproc_ok then : 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 $? "C preprocessor \"$CPP\" fails sanity check See \`config.log' for more details" "$LINENO" 5; } fi ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' ac_link='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5' ac_compiler_gnu=$ac_cv_c_compiler_gnu { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for grep that handles long lines and -e" >&5 printf %s "checking for grep that handles long lines and -e... " >&6; } if test ${ac_cv_path_GREP+y} then : printf %s "(cached) " >&6 else $as_nop if test -z "$GREP"; then ac_path_GREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in grep ggrep do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_GREP="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_GREP" || continue # Check for GNU ac_path_GREP and select it if it is found. # Check for GNU $ac_path_GREP case `"$ac_path_GREP" --version 2>&1` in *GNU*) ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;; *) ac_count=0 printf %s 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" printf "%s\n" 'GREP' >> "conftest.nl" "$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break as_fn_arith $ac_count + 1 && ac_count=$as_val if test $ac_count -gt ${ac_path_GREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_GREP_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_GREP"; then as_fn_error $? "no acceptable grep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 fi else ac_cv_path_GREP=$GREP fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_GREP" >&5 printf "%s\n" "$ac_cv_path_GREP" >&6; } GREP="$ac_cv_path_GREP" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking for egrep" >&5 printf %s "checking for egrep... " >&6; } if test ${ac_cv_path_EGREP+y} then : printf %s "(cached) " >&6 else $as_nop if echo a | $GREP -E '(a|b)' >/dev/null 2>&1 then ac_cv_path_EGREP="$GREP -E" else if test -z "$EGREP"; then ac_path_EGREP_found=false # Loop through the user's path and test for each of PROGNAME-LIST as_save_IFS=$IFS; IFS=$PATH_SEPARATOR for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin do IFS=$as_save_IFS case $as_dir in #((( '') as_dir=./ ;; */) ;; *) as_dir=$as_dir/ ;; esac for ac_prog in egrep do for ac_exec_ext in '' $ac_executable_extensions; do ac_path_EGREP="$as_dir$ac_prog$ac_exec_ext" as_fn_executable_p "$ac_path_EGREP" || continue # Check for GNU ac_path_EGREP and select it if it is found. # Check for GNU $ac_path_EGREP case `"$ac_path_EGREP" --version 2>&1` in *GNU*) ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;; *) ac_count=0 printf %s 0123456789 >"conftest.in" while : do cat "conftest.in" "conftest.in" >"conftest.tmp" mv "conftest.tmp" "conftest.in" cp "conftest.in" "conftest.nl" printf "%s\n" 'EGREP' >> "conftest.nl" "$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break as_fn_arith $ac_count + 1 && ac_count=$as_val if test $ac_count -gt ${ac_path_EGREP_max-0}; then # Best one so far, save it but keep looking for a better one ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_max=$ac_count fi # 10*(2^10) chars as input seems more than enough test $ac_count -gt 10 && break done rm -f conftest.in conftest.tmp conftest.nl conftest.out;; esac $ac_path_EGREP_found && break 3 done done done IFS=$as_save_IFS if test -z "$ac_cv_path_EGREP"; then as_fn_error $? "no acceptable egrep could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" "$LINENO" 5 fi else ac_cv_path_EGREP=$EGREP fi fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_path_EGREP" >&5 printf "%s\n" "$ac_cv_path_EGREP" >&6; } EGREP="$ac_cv_path_EGREP" { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the platform regex supports REG_STARTEND" >&5 printf %s "checking whether the platform regex supports REG_STARTEND... " >&6; } if test ${ac_cv_c_regex_with_reg_startend+y} then : printf %s "(cached) " >&6 else $as_nop cat confdefs.h - <<_ACEOF >conftest.$ac_ext /* end confdefs.h. */ $ac_includes_default #include int main (void) { #ifdef REG_STARTEND yippeeyeswehaveit #endif ; return 0; } _ACEOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | $EGREP "yippeeyeswehaveit" >/dev/null 2>&1 then : ac_cv_c_regex_with_reg_startend=yes else $as_nop ac_cv_c_regex_with_reg_startend=no fi rm -rf conftest* fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_c_regex_with_reg_startend" >&5 printf "%s\n" "$ac_cv_c_regex_with_reg_startend" >&6; } if test $ac_cv_c_regex_with_reg_startend = yes; then NO_REGEX= else NO_REGEX=YesPlease fi config_appended_defs="$config_appended_defs${newline}NO_REGEX=${NO_REGEX}" # # Define FREAD_READS_DIRECTORIES if your are on a system which succeeds # when attempting to read from an fopen'ed directory. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether system succeeds to read fopen'ed directory" >&5 printf %s "checking whether system succeeds to read fopen'ed directory... " >&6; } if test ${ac_cv_fread_reads_directories+y} then : printf %s "(cached) " >&6 else $as_nop if test "$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. */ $ac_includes_default int main (void) { FILE *f = fopen(".", "r"); return f != NULL; ; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : ac_cv_fread_reads_directories=no else $as_nop ac_cv_fread_reads_directories=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_fread_reads_directories" >&5 printf "%s\n" "$ac_cv_fread_reads_directories" >&6; } if test $ac_cv_fread_reads_directories = yes; then FREAD_READS_DIRECTORIES=UnfortunatelyYes else FREAD_READS_DIRECTORIES= fi config_appended_defs="$config_appended_defs${newline}FREAD_READS_DIRECTORIES=${FREAD_READS_DIRECTORIES}" # # Define SNPRINTF_RETURNS_BOGUS if your are on a system which snprintf() # or vsnprintf() return -1 instead of number of characters which would # have been written to the final string if enough space had been available. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether snprintf() and/or vsnprintf() return bogus value" >&5 printf %s "checking whether snprintf() and/or vsnprintf() return bogus value... " >&6; } if test ${ac_cv_snprintf_returns_bogus+y} then : printf %s "(cached) " >&6 else $as_nop if test "$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. */ $ac_includes_default #include "stdarg.h" int test_vsnprintf(char *str, size_t maxsize, const char *format, ...) { int ret; va_list ap; va_start(ap, format); ret = vsnprintf(str, maxsize, format, ap); va_end(ap); return ret; } int main (void) { char buf[6]; if (test_vsnprintf(buf, 3, "%s", "12345") != 5 || strcmp(buf, "12")) return 1; if (snprintf(buf, 3, "%s", "12345") != 5 || strcmp(buf, "12")) return 1 ; return 0; } _ACEOF if ac_fn_c_try_run "$LINENO" then : ac_cv_snprintf_returns_bogus=no else $as_nop ac_cv_snprintf_returns_bogus=yes fi rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \ conftest.$ac_objext conftest.beam conftest.$ac_ext fi fi { printf "%s\n" "$as_me:${as_lineno-$LINENO}: result: $ac_cv_snprintf_returns_bogus" >&5 printf "%s\n" "$ac_cv_snprintf_returns_bogus" >&6; } if test $ac_cv_snprintf_returns_bogus = yes; then SNPRINTF_RETURNS_BOGUS=UnfortunatelyYes else SNPRINTF_RETURNS_BOGUS= fi config_appended_defs="$config_appended_defs${newline}SNPRINTF_RETURNS_BOGUS=${SNPRINTF_RETURNS_BOGUS}" # # Define NEEDS_MODE_TRANSLATION if your OS strays from the typical file type # bits in mode values. { printf "%s\n" "$as_me:${as_lineno-$LINENO}: checking whether the platform uses typical file type bits" >&5 printf %s "checking whether the platform uses typical file type bits... 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