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then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.c <<EOF #ifdef __GNUC__ yes; #endif EOF if { ac_try='${CC-cc} -E conftest.c'; { (eval echo configure:663: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then ac_cv_prog_gcc=yes else ac_cv_prog_gcc=no fi fi echo "$ac_t""$ac_cv_prog_gcc" 1>&6 if test $ac_cv_prog_gcc = yes; then GCC=yes test "${CFLAGS+set}" = set || CFLAGS="-O2" else GCC= test "${CFLAGS+set}" = set || CFLAGS="-O" fi echo $ac_n "checking how to run the C preprocessor""... $ac_c" 1>&6 echo "configure:681: checking how to run the C preprocessor" >&5 # On Suns, sometimes $CPP names a directory. if test -n "$CPP" && test -d "$CPP"; then CPP= fi if test -z "$CPP"; then if eval "test \"`echo '$''{'ac_cv_prog_CPP'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else # This must be in double quotes, not single quotes, because CPP may get # substituted into the Makefile and "${CC-cc}" will confuse make. CPP="${CC-cc} -E" # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. cat > conftest.$ac_ext <<EOF #line 696 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" { (eval echo configure:702: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* CPP="${CC-cc} -E -traditional-cpp" cat > conftest.$ac_ext <<EOF #line 713 "configure" #include "confdefs.h" #include <assert.h> Syntax Error EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" { (eval echo configure:719: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then : else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* CPP=/lib/cpp fi rm -f conftest* fi rm -f conftest* ac_cv_prog_CPP="$CPP" fi CPP="$ac_cv_prog_CPP" else ac_cv_prog_CPP="$CPP" fi echo "$ac_t""$CPP" 1>&6 echo $ac_n "checking for function prototypes""... $ac_c" 1>&6 echo "configure:742: checking for function prototypes" >&5 if eval "test \"`echo '$''{'ijg_cv_have_prototypes'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF #line 747 "configure" #include "confdefs.h" int testfunction (int arg1, int * arg2); /* check prototypes */ struct methods_struct { /* check method-pointer declarations */ int (*error_exit) (char *msgtext); int (*trace_message) (char *msgtext); int (*another_method) (void); }; int testfunction (int arg1, int * arg2) /* check definitions */ { return arg2[arg1]; } int test2function (void) /* check void arg list */ { return 0; } int main() { ; return 0; } EOF if { (eval echo configure:765: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ijg_cv_have_prototypes=yes else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ijg_cv_have_prototypes=no fi rm -f conftest* fi echo "$ac_t""$ijg_cv_have_prototypes" 1>&6 if test $ijg_cv_have_prototypes = yes; then cat >> confdefs.h <<\EOF #define HAVE_PROTOTYPES EOF else echo Your compiler does not seem to know about function prototypes. echo Perhaps it needs a special switch to enable ANSI C mode. echo If so, we recommend running configure like this: echo " ./configure CC='cc -switch'" echo where -switch is the proper switch. fi ac_safe=`echo "stddef.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for stddef.h""... $ac_c" 1>&6 echo "configure:792: checking for stddef.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF #line 797 "configure" #include "confdefs.h" #include <stddef.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" { (eval echo configure:802: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF #define HAVE_STDDEF_H EOF else echo "$ac_t""no" 1>&6 fi ac_safe=`echo "stdlib.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for stdlib.h""... $ac_c" 1>&6 echo "configure:828: checking for stdlib.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF #line 833 "configure" #include "confdefs.h" #include <stdlib.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" { (eval echo configure:838: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF #define HAVE_STDLIB_H EOF else echo "$ac_t""no" 1>&6 fi ac_safe=`echo "string.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for string.h""... $ac_c" 1>&6 echo "configure:864: checking for string.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF #line 869 "configure" #include "confdefs.h" #include <string.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" { (eval echo configure:874: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NEED_BSD_STRINGS EOF fi echo $ac_n "checking for size_t""... $ac_c" 1>&6 echo "configure:900: checking for size_t" >&5 cat > conftest.$ac_ext <<EOF #line 902 "configure" #include "confdefs.h" #ifdef HAVE_STDDEF_H #include <stddef.h> #endif #ifdef HAVE_STDLIB_H #include <stdlib.h> #endif #include <stdio.h> #ifdef NEED_BSD_STRINGS #include <strings.h> #else #include <string.h> #endif typedef size_t my_size_t; int main() { my_size_t foovar; ; return 0; } EOF if { (eval echo configure:923: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ijg_size_t_ok=yes else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ijg_size_t_ok="not ANSI, perhaps it is in sys/types.h" fi rm -f conftest* echo "$ac_t""$ijg_size_t_ok" 1>&6 if test "$ijg_size_t_ok" != yes; then ac_safe=`echo "sys/types.h" | sed 'y%./+-%__p_%'` echo $ac_n "checking for sys/types.h""... $ac_c" 1>&6 echo "configure:937: checking for sys/types.h" >&5 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF #line 942 "configure" #include "confdefs.h" #include <sys/types.h> EOF ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" { (eval echo configure:947: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF #define NEED_SYS_TYPES_H EOF cat > conftest.$ac_ext <<EOF #line 968 "configure" #include "confdefs.h" #include <sys/types.h> EOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "size_t" >/dev/null 2>&1; then rm -rf conftest* ijg_size_t_ok="size_t is in sys/types.h" else rm -rf conftest* ijg_size_t_ok=no fi rm -f conftest* else echo "$ac_t""no" 1>&6 ijg_size_t_ok=no fi echo "$ac_t""$ijg_size_t_ok" 1>&6 if test "$ijg_size_t_ok" = no; then echo Type size_t is not defined in any of the usual places. echo Try putting '"typedef unsigned int size_t;"' in jconfig.h. fi fi echo $ac_n "checking for type unsigned char""... $ac_c" 1>&6 echo "configure:994: checking for type unsigned char" >&5 cat > conftest.$ac_ext <<EOF #line 996 "configure" #include "confdefs.h" int main() { unsigned char un_char; ; return 0; } EOF if { (eval echo configure:1003: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF #define HAVE_UNSIGNED_CHAR EOF else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* echo "$ac_t""no" 1>&6 fi rm -f conftest* echo $ac_n "checking for type unsigned short""... $ac_c" 1>&6 echo "configure:1018: checking for type unsigned short" >&5 cat > conftest.$ac_ext <<EOF #line 1020 "configure" #include "confdefs.h" int main() { unsigned short un_short; ; return 0; } EOF if { (eval echo configure:1027: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* echo "$ac_t""yes" 1>&6 cat >> confdefs.h <<\EOF #define HAVE_UNSIGNED_SHORT EOF else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* echo "$ac_t""no" 1>&6 fi rm -f conftest* echo $ac_n "checking for type void""... $ac_c" 1>&6 echo "configure:1042: checking for type void" >&5 cat > conftest.$ac_ext <<EOF #line 1044 "configure" #include "confdefs.h" /* Caution: a C++ compiler will insist on valid prototypes */ typedef void * void_ptr; /* check void * */ #ifdef HAVE_PROTOTYPES /* check ptr to function returning void */ typedef void (*void_func) (int a, int b); #else typedef void (*void_func) (); #endif #ifdef HAVE_PROTOTYPES /* check void function result */ void test3function (void_ptr arg1, void_func arg2) #else void test3function (arg1, arg2) void_ptr arg1; void_func arg2; #endif { char * locptr = (char *) arg1; /* check casting to and from void * */ arg1 = (void *) locptr; (*arg2) (1, 2); /* check call of fcn returning void */ } int main() { ; return 0; } EOF if { (eval echo configure:1072: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* echo "$ac_t""yes" 1>&6 else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define void char EOF fi rm -f conftest* echo $ac_n "checking for working const""... $ac_c" 1>&6 echo "configure:1088: checking for working const" >&5 if eval "test \"`echo '$''{'ac_cv_c_const'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext <<EOF #line 1093 "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; } EOF if { (eval echo configure:1142: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ac_cv_c_const=yes else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* ac_cv_c_const=no fi rm -f conftest* fi echo "$ac_t""$ac_cv_c_const" 1>&6 if test $ac_cv_c_const = no; then cat >> confdefs.h <<\EOF #define const EOF fi echo $ac_n "checking for inline""... $ac_c" 1>&6 echo "configure:1163: checking for inline" >&5 ijg_cv_inline="" cat > conftest.$ac_ext <<EOF #line 1166 "configure" #include "confdefs.h" int main() { } __inline__ int foo() { return 0; } int bar() { return foo(); ; return 0; } EOF if { (eval echo configure:1174: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ijg_cv_inline="__inline__" else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* cat > conftest.$ac_ext <<EOF #line 1182 "configure" #include "confdefs.h" int main() { } __inline int foo() { return 0; } int bar() { return foo(); ; return 0; } EOF if { (eval echo configure:1190: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ijg_cv_inline="__inline" else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* cat > conftest.$ac_ext <<EOF #line 1198 "configure" #include "confdefs.h" int main() { } inline int foo() { return 0; } int bar() { return foo(); ; return 0; } EOF if { (eval echo configure:1206: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* ijg_cv_inline="inline" else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 fi rm -f conftest* fi rm -f conftest* fi rm -f conftest* echo "$ac_t""$ijg_cv_inline" 1>&6 cat >> confdefs.h <<EOF #define INLINE $ijg_cv_inline EOF echo $ac_n "checking for broken incomplete types""... $ac_c" 1>&6 echo "configure:1224: checking for broken incomplete types" >&5 cat > conftest.$ac_ext <<EOF #line 1226 "configure" #include "confdefs.h" typedef struct undefined_structure * undef_struct_ptr; int main() { ; return 0; } EOF if { (eval echo configure:1233: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then rm -rf conftest* echo "$ac_t""ok" 1>&6 else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* echo "$ac_t""broken" 1>&6 cat >> confdefs.h <<\EOF #define INCOMPLETE_TYPES_BROKEN EOF fi rm -f conftest* echo $ac_n "checking for short external names""... $ac_c" 1>&6 echo "configure:1248: checking for short external names" >&5 cat > conftest.$ac_ext <<EOF #line 1250 "configure" #include "confdefs.h" int possibly_duplicate_function () { return 0; } int possibly_dupli_function () { return 1; } int main() { ; return 0; } EOF if { (eval echo configure:1260: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then rm -rf conftest* echo "$ac_t""ok" 1>&6 else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -rf conftest* echo "$ac_t""short" 1>&6 cat >> confdefs.h <<\EOF #define NEED_SHORT_EXTERNAL_NAMES EOF fi rm -f conftest* echo $ac_n "checking to see if char is signed""... $ac_c" 1>&6 echo "configure:1275: checking to see if char is signed" >&5 if test "$cross_compiling" = yes; then echo Assuming that char is signed on target machine. echo If it is unsigned, this will be a little bit inefficient. else cat > conftest.$ac_ext <<EOF #line 1282 "configure" #include "confdefs.h" #ifdef HAVE_PROTOTYPES int is_char_signed (int arg) #else int is_char_signed (arg) int arg; #endif { if (arg == 189) { /* expected result for unsigned char */ return 0; /* type char is unsigned */ } else if (arg != -67) { /* expected result for signed char */ printf("Hmm, it seems 'char' is not eight bits wide on your machine.\n"); printf("I fear the JPEG software will not work at all.\n\n"); } return 1; /* assume char is signed otherwise */ } char signed_char_check = (char) (-67); main() { exit(is_char_signed((int) signed_char_check)); } EOF if { (eval echo configure:1306: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define CHAR_IS_UNSIGNED EOF else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -fr conftest* echo "$ac_t""yes" 1>&6 fi rm -fr conftest* fi echo $ac_n "checking to see if right shift is signed""... $ac_c" 1>&6 echo "configure:1323: checking to see if right shift is signed" >&5 if test "$cross_compiling" = yes; then echo "$ac_t""Assuming that right shift is signed on target machine." 1>&6 else cat > conftest.$ac_ext <<EOF #line 1328 "configure" #include "confdefs.h" #ifdef HAVE_PROTOTYPES int is_shifting_signed (long arg) #else int is_shifting_signed (arg) long arg; #endif /* See whether right-shift on a long is signed or not. */ { long res = arg >> 4; if (res == -0x7F7E80CL) { /* expected result for signed shift */ return 1; /* right shift is signed */ } /* see if unsigned-shift hack will fix it. */ /* we can't just test exact value since it depends on width of long... */ res |= (~0L) << (32-4); if (res == -0x7F7E80CL) { /* expected result now? */ return 0; /* right shift is unsigned */ } printf("Right shift isn't acting as I expect it to.\n"); printf("I fear the JPEG software will not work at all.\n\n"); return 0; /* try it with unsigned anyway */ } main() { exit(is_shifting_signed(-0x7F7E80B1L)); } EOF if { (eval echo configure:1358: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define RIGHT_SHIFT_IS_UNSIGNED EOF else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -fr conftest* echo "$ac_t""yes" 1>&6 fi rm -fr conftest* fi echo $ac_n "checking to see if fopen accepts b spec""... $ac_c" 1>&6 echo "configure:1375: checking to see if fopen accepts b spec" >&5 if test "$cross_compiling" = yes; then echo "$ac_t""Assuming that it does." 1>&6 else cat > conftest.$ac_ext <<EOF #line 1380 "configure" #include "confdefs.h" #include <stdio.h> main() { if (fopen("conftestdata", "wb") != NULL) exit(0); exit(1); } EOF if { (eval echo configure:1390: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null then echo "$ac_t""yes" 1>&6 else echo "configure: failed program was:" >&5 cat conftest.$ac_ext >&5 rm -fr conftest* echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define DONT_USE_B_MODE EOF fi rm -fr conftest* fi ac_aux_dir= for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do if test -f $ac_dir/install-sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install-sh -c" break elif test -f $ac_dir/install.sh; then ac_aux_dir=$ac_dir ac_install_sh="$ac_aux_dir/install.sh -c" break fi done if test -z "$ac_aux_dir"; then { echo "configure: error: can not find install-sh or install.sh in $srcdir $srcdir/.. $srcdir/../.." 1>&2; exit 1; } fi ac_config_guess=$ac_aux_dir/config.guess ac_config_sub=$ac_aux_dir/config.sub ac_configure=$ac_aux_dir/configure # This should be Cygnus configure. # Find a good install program. We prefer a C program (faster), # so one script is as good as another. 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