📄 configure
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cat > conftest.$ac_ext <<EOF#line 983 "configure"#include "confdefs.h"int main() {/* Ultrix mips cc rejects this. */typedef int charset[2]; const charset x;/* SunOS 4.1.1 cc rejects this. */char const *const *ccp;char **p;/* NEC SVR4.0.2 mips cc rejects this. */struct point {int x, y;};static struct point const zero = {0,0};/* AIX XL C 1.02.0.0 rejects this. It does not let you subtract one const X* pointer from another in an arm of an if-expression whose if-part is not a constant expression */const char *g = "string";ccp = &g + (g ? g-g : 0);/* HPUX 7.0 cc rejects these. */++ccp;p = (char**) ccp;ccp = (char const *const *) p;{ /* SCO 3.2v4 cc rejects this. */ char *t; char const *s = 0 ? (char *) 0 : (char const *) 0; *t++ = 0;}{ /* Someone thinks the Sun supposedly-ANSI compiler will reject this. */ int x[] = {25, 17}; const int *foo = &x[0]; ++foo;}{ /* Sun SC1.0 ANSI compiler rejects this -- but not the above. */ typedef const int *iptr; iptr p = 0; ++p;}{ /* AIX XL C 1.02.0.0 rejects this saying "k.c", line 2.27: 1506-025 (S) Operand must be a modifiable lvalue. */ struct s { int j; const int *ap[3]; }; struct s *b; b->j = 5;}{ /* ULTRIX-32 V3.1 (Rev 9) vcc rejects this */ const int foo = 10;}; return 0; }EOFif { (eval echo configure:1032: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_c_const=yeselse echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ac_cv_c_const=nofirm -f conftest*fiecho "$ac_t""$ac_cv_c_const" 1>&6if test $ac_cv_c_const = no; then cat >> confdefs.h <<\EOF#define const EOFfiecho $ac_n "checking for size_t""... $ac_c" 1>&6echo "configure:1053: checking for size_t" >&5if eval "test \"`echo '$''{'ac_cv_type_size_t'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1058 "configure"#include "confdefs.h"#include <sys/types.h>#if STDC_HEADERS#include <stdlib.h>#include <stddef.h>#endifEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "(^|[^a-zA-Z_0-9])size_t[^a-zA-Z_0-9]" >/dev/null 2>&1; then rm -rf conftest* ac_cv_type_size_t=yeselse rm -rf conftest* ac_cv_type_size_t=nofirm -f conftest*fiecho "$ac_t""$ac_cv_type_size_t" 1>&6if test $ac_cv_type_size_t = no; then cat >> confdefs.h <<\EOF#define size_t unsignedEOFfiecho $ac_n "checking whether struct tm is in sys/time.h or time.h""... $ac_c" 1>&6echo "configure:1086: checking whether struct tm is in sys/time.h or time.h" >&5if eval "test \"`echo '$''{'ac_cv_struct_tm'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1091 "configure"#include "confdefs.h"#include <sys/types.h>#include <time.h>int main() {struct tm *tp; tp->tm_sec;; return 0; }EOFif { (eval echo configure:1099: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_struct_tm=time.helse echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ac_cv_struct_tm=sys/time.hfirm -f conftest*fiecho "$ac_t""$ac_cv_struct_tm" 1>&6if test $ac_cv_struct_tm = sys/time.h; then cat >> confdefs.h <<\EOF#define TM_IN_SYS_TIME 1EOFfi# The Ultrix 4.2 mips builtin alloca declared by alloca.h only works# for constant arguments. Useless!echo $ac_n "checking for working alloca.h""... $ac_c" 1>&6echo "configure:1123: checking for working alloca.h" >&5if eval "test \"`echo '$''{'ac_cv_header_alloca_h'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1128 "configure"#include "confdefs.h"#include <alloca.h>int main() {char *p = alloca(2 * sizeof(int));; return 0; }EOFif { (eval echo configure:1135: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* ac_cv_header_alloca_h=yeselse echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ac_cv_header_alloca_h=nofirm -f conftest*fiecho "$ac_t""$ac_cv_header_alloca_h" 1>&6if test $ac_cv_header_alloca_h = yes; then cat >> confdefs.h <<\EOF#define HAVE_ALLOCA_H 1EOFfiecho $ac_n "checking for alloca""... $ac_c" 1>&6echo "configure:1156: checking for alloca" >&5if eval "test \"`echo '$''{'ac_cv_func_alloca_works'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1161 "configure"#include "confdefs.h"#ifdef __GNUC__# define alloca __builtin_alloca#else# ifdef _MSC_VER# include <malloc.h># define alloca _alloca# else# if HAVE_ALLOCA_H# include <alloca.h># else# ifdef _AIX #pragma alloca# else# ifndef alloca /* predefined by HP cc +Olibcalls */char *alloca ();# endif# endif# endif# endif#endifint main() {char *p = (char *) alloca(1);; return 0; }EOFif { (eval echo configure:1189: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* ac_cv_func_alloca_works=yeselse echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ac_cv_func_alloca_works=nofirm -f conftest*fiecho "$ac_t""$ac_cv_func_alloca_works" 1>&6if test $ac_cv_func_alloca_works = yes; then cat >> confdefs.h <<\EOF#define HAVE_ALLOCA 1EOFfiif test $ac_cv_func_alloca_works = no; then # The SVR3 libPW and SVR4 libucb both contain incompatible functions # that cause trouble. Some versions do not even contain alloca or # contain a buggy version. If you still want to use their alloca, # use ar to extract alloca.o from them instead of compiling alloca.c. ALLOCA=alloca.${ac_objext} cat >> confdefs.h <<\EOF#define C_ALLOCA 1EOFecho $ac_n "checking whether alloca needs Cray hooks""... $ac_c" 1>&6echo "configure:1221: checking whether alloca needs Cray hooks" >&5if eval "test \"`echo '$''{'ac_cv_os_cray'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1226 "configure"#include "confdefs.h"#if defined(CRAY) && ! defined(CRAY2)webecray#elsewenotbecray#endifEOFif (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "webecray" >/dev/null 2>&1; then rm -rf conftest* ac_cv_os_cray=yeselse rm -rf conftest* ac_cv_os_cray=nofirm -f conftest*fiecho "$ac_t""$ac_cv_os_cray" 1>&6if test $ac_cv_os_cray = yes; thenfor ac_func in _getb67 GETB67 getb67; do echo $ac_n "checking for $ac_func""... $ac_c" 1>&6echo "configure:1251: checking for $ac_func" >&5if eval "test \"`echo '$''{'ac_cv_func_$ac_func'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1256 "configure"#include "confdefs.h"/* System header to define __stub macros and hopefully few prototypes, which can conflict with char $ac_func(); below. */#include <assert.h>/* Override any gcc2 internal prototype to avoid an error. *//* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char $ac_func();int main() {/* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */#if defined (__stub_$ac_func) || defined (__stub___$ac_func)choke me#else$ac_func();#endif; return 0; }EOFif { (eval echo configure:1279: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_$ac_func=yes"else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_func_$ac_func=no"firm -f conftest*fiif eval "test \"`echo '$ac_cv_func_'$ac_func`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<EOF#define CRAY_STACKSEG_END $ac_funcEOF breakelse echo "$ac_t""no" 1>&6fidonefiecho $ac_n "checking stack direction for C alloca""... $ac_c" 1>&6echo "configure:1306: checking stack direction for C alloca" >&5if eval "test \"`echo '$''{'ac_cv_c_stack_direction'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else if test "$cross_compiling" = yes; then ac_cv_c_stack_direction=0else cat > conftest.$ac_ext <<EOF#line 1314 "configure"#include "confdefs.h"find_stack_direction (){ static char *addr = 0; auto char dummy; if (addr == 0) { addr = &dummy; return find_stack_direction (); } else return (&dummy > addr) ? 1 : -1;}main (){ exit (find_stack_direction() < 0);}EOFif { (eval echo configure:1333: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext} && (./conftest; exit) 2>/dev/nullthen ac_cv_c_stack_direction=1else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -fr conftest* ac_cv_c_stack_direction=-1firm -fr conftest*fifiecho "$ac_t""$ac_cv_c_stack_direction" 1>&6cat >> confdefs.h <<EOF#define STACK_DIRECTION $ac_cv_c_stack_directionEOFfiecho $ac_n "checking for strftime""... $ac_c" 1>&6echo "configure:1355: checking for strftime" >&5if eval "test \"`echo '$''{'ac_cv_func_strftime'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1360 "configure"#include "confdefs.h"/* System header to define __stub macros and hopefully few prototypes, which can conflict with char strftime(); below. */#include <assert.h>/* Override any gcc2 internal prototype to avoid an error. *//* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char strftime();int main() {/* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */#if defined (__stub_strftime) || defined (__stub___strftime)choke me#elsestrftime();#endif; return 0; }EOFif { (eval echo configure:1383: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_func_strftime=yes"else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_func_strftime=no"firm -f conftest*fiif eval "test \"`echo '$ac_cv_func_'strftime`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF#define HAVE_STRFTIME 1EOFelse echo "$ac_t""no" 1>&6# strftime is in -lintl on SCO UNIX.echo $ac_n "checking for strftime in -lintl""... $ac_c" 1>&6echo "configure:1405: checking for strftime in -lintl" >&5ac_lib_var=`echo intl'_'strftime | sed 'y%./+-%__p_%'`if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else ac_save_LIBS="$LIBS"LIBS="-lintl $LIBS"cat > conftest.$ac_ext <<EOF#line 1413 "configure"#include "confdefs.h"/* Override any gcc2 internal prototype to avoid an error. *//* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char strftime();int main() {strftime(); return 0; }EOFif { (eval echo configure:1424: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then rm -rf conftest* eval "ac_cv_lib_$ac_lib_var=yes"else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_lib_$ac_lib_var=no"firm -f conftest*LIBS="$ac_save_LIBS"fiif eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF#define HAVE_STRFTIME 1EOFLIBS="-lintl $LIBS"else echo "$ac_t""no" 1>&6fifiecho $ac_n "checking for vprintf""... $ac_c" 1>&6echo "configure:1451: checking for vprintf" >&5if eval "test \"`echo '$''{'ac_cv_func_vprintf'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6else cat > conftest.$ac_ext <<EOF#line 1456 "configure"#include "confdefs.h"/* System header to define __stub macros and hopefully few prototypes, which can conflict with char vprintf(); below. */#include <assert.h>/* Override any gcc2 internal prototype to avoid an error. *//* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char vprintf();int main() {/* The GNU C library defines this for functions which it implements to always fail with ENOSYS. Some functions are actually named something starting with __ and the normal name is an alias. */#if defined (__stub_vprintf) || defined (__stub___vprintf)
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