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then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_TIME_H 1 EOF echo X 'NO_TIME_H' '1' >> defines.out fi ac_safe=`echo "stdarg.h" | tr './\055' '___'` echo $ac_n "checking for stdarg.h""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 rm -rf conftest* eval "ac_cv_header_$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 NO_STDARG_H 1 EOF echo X 'NO_STDARG_H' '1' >> defines.out fi echo $ac_n "checking for memcpy""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_memcpy'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char memcpy(); int main() { return 0; } int t() { /* 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_memcpy) || defined (__stub___memcpy) choke me #else memcpy(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_memcpy=yes" else rm -rf conftest* eval "ac_cv_func_memcpy=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'memcpy`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_MEMCPY 1 EOF echo X 'NO_MEMCPY' '1' >> defines.out fi echo $ac_n "checking for strchr""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_strchr'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char strchr(); int main() { return 0; } int t() { /* 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_strchr) || defined (__stub___strchr) choke me #else strchr(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_strchr=yes" else rm -rf conftest* eval "ac_cv_func_strchr=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'strchr`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_STRCHR 1 EOF echo X 'NO_STRCHR' '1' >> defines.out fi echo $ac_n "checking for strerror""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_strerror'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char strerror(); int main() { return 0; } int t() { /* 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_strerror) || defined (__stub___strerror) choke me #else strerror(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_strerror=yes" else rm -rf conftest* eval "ac_cv_func_strerror=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'strerror`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_STRERROR 1 EOF echo X 'NO_STRERROR' '1' >> defines.out fi echo $ac_n "checking for vfprintf""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_vfprintf'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char vfprintf(); int main() { return 0; } int t() { /* 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_vfprintf) || defined (__stub___vfprintf) choke me #else vfprintf(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_vfprintf=yes" else rm -rf conftest* eval "ac_cv_func_vfprintf=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'vfprintf`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_VFPRINTF 1 EOF echo X 'NO_VFPRINTF' '1' >> defines.out fi echo $ac_n "checking for strtod""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_strtod'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char strtod(); int main() { return 0; } int t() { /* 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_strtod) || defined (__stub___strtod) choke me #else strtod(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_strtod=yes" else rm -rf conftest* eval "ac_cv_func_strtod=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'strtod`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_STRTOD 1 EOF echo X 'NO_STRTOD' '1' >> defines.out fi echo $ac_n "checking for fmod""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_fmod'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char fmod(); int main() { return 0; } int t() { /* 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_fmod) || defined (__stub___fmod) choke me #else fmod(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_fmod=yes" else rm -rf conftest* eval "ac_cv_func_fmod=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'fmod`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_FMOD 1 EOF echo X 'NO_FMOD' '1' >> defines.out fi echo $ac_n "checking for matherr""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_matherr'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char matherr(); int main() { return 0; } int t() { /* 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_matherr) || defined (__stub___matherr) choke me #else matherr(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_matherr=yes" else rm -rf conftest* eval "ac_cv_func_matherr=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'matherr`\" = yes"; then echo "$ac_t""yes" 1>&6 : else echo "$ac_t""no" 1>&6 cat >> confdefs.h <<\EOF #define NO_MATHERR 1 EOF echo X 'NO_MATHERR' '1' >> defines.out fi cat > conftest.$ac_ext < EOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "[^v]fprintf" >/dev/null 2>&1; then : else rm -rf conftest* cat >> confdefs.h <<\EOF #define NO_FPRINTF_IN_STDIO 1 EOF echo X 'NO_FPRINTF_IN_STDIO' '1' >> defines.out fi rm -f conftest* cat > conftest.$ac_ext < EOF if (eval "$ac_cpp conftest.$ac_ext") 2>&5 | egrep "[^v]sprintf" >/dev/null 2>&1; then : else rm -rf conftest* cat >> confdefs.h <<\EOF #define NO_SPRINTF_IN_STDIO 1 EOF echo X 'NO_SPRINTF_IN_STDIO' '1' >> defines.out fi rm -f conftest* ac_safe=`echo "limits.h" | tr './\055' '___'` echo $ac_n "checking for limits.h""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 limits_h=yes else echo "$ac_t""no" 1>&6 fi if test "$limits_h" = yes ; then : else ac_safe=`echo "values.h" | tr './\055' '___'` echo $ac_n "checking for values.h""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 values_h=yes else echo "$ac_t""no" 1>&6 fi if test "$values_h" = yes ; then # If we cannot run a trivial program, we must be cross compiling. echo $ac_n "checking whether cross-compiling""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_c_cross'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else if test "$cross_compiling" = yes; then ac_cv_c_cross=yes else cat > conftest.$ac_ext </dev/null; then ac_cv_c_cross=no else ac_cv_c_cross=yes fi fi rm -fr conftest* fi cross_compiling=$ac_cv_c_cross echo "$ac_t""$ac_cv_c_cross" 1>&6 if test "$cross_compiling" = yes; then { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; } else cat > conftest.$ac_ext < #include int main() { FILE *out = fopen("maxint.out", "w") ; if ( ! out ) exit(1) ; fprintf(out, "X MAX__INT 0x%x\n", MAXINT) ; fprintf(out, "X MAX__LONG 0x%lx\n", MAXLONG) ; exit(0) ; return(0) ; } EOF eval $ac_link if test -s conftest && (./conftest; exit) 2>/dev/null; then maxint_set=1 else { echo "configure: error: C program to compute maxint and maxlong failed. Please send bug report to brennan@whidbey.com." 1>&2; exit 1; } fi fi rm -fr conftest* fi if test "$maxint_set" != 1 ; then # compute it -- assumes two's complement if test "$cross_compiling" = yes; then { echo "configure: error: can not run test program while cross compiling" 1>&2; exit 1; } else cat > conftest.$ac_ext < int main() { int y ; long yy ; FILE *out ; if ( !(out = fopen("maxint.out","w")) ) exit(1) ; /* find max int and max long */ y = 0x1000 ; while ( y > 0 ) y *= 2 ; fprintf(out,"X MAX__INT 0x%x\n", y-1) ; yy = 0x1000 ; while ( yy > 0 ) yy *= 2 ; fprintf(out,"X MAX__LONG 0x%lx\n", yy-1) ; exit(0) ; return 0 ; } EOF eval $ac_link if test -s conftest && (./conftest; exit) 2>/dev/null; then : else { echo "configure: error: C program to compute maxint and maxlong failed. Please send bug report to brennan@whidbey.com." 1>&2; exit 1; } fi fi rm -fr conftest* fi cat maxint.out >> defines.out ; rm -f maxint.out fi ; if echo "$USER_DEFINES" | grep FPE_TRAPS_ON >/dev/null then echo skipping fpe tests based on '$'USER_DEFINES else echo $ac_n "checking return type of signal handlers""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_type_signal'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < #include #ifdef signal #undef signal #endif #ifdef __cplusplus extern "C" #endif void (*signal ()) (); int main() { return 0; } int t() { int i; ; return 0; } EOF if eval $ac_compile; then rm -rf conftest* ac_cv_type_signal=void else rm -rf conftest* ac_cv_type_signal=int fi rm -f conftest* fi echo "$ac_t""$ac_cv_type_signal" 1>&6 cat >> confdefs.h </dev/null status=$? else echo fpe_check.c failed to compile 1>&2 status=100 fi case $status in 0) ;; # good news do nothing 3) # reasonably good news cat >> confdefs.h <<\EOF #define FPE_TRAPS_ON 1 EOF echo X 'FPE_TRAPS_ON' '1' >> defines.out echo $ac_n "checking for sigaction""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_sigaction'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char sigaction(); int main() { return 0; } int t() { /* 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_sigaction) || defined (__stub___sigaction) choke me #else sigaction(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_sigaction=yes" else rm -rf conftest* eval "ac_cv_func_sigaction=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'sigaction`\" = yes"; then echo "$ac_t""yes" 1>&6 sigaction=1 else echo "$ac_t""no" 1>&6 fi ac_safe=`echo "siginfo.h" | tr './\055' '___'` echo $ac_n "checking for siginfo.h""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 siginfo_h=1 else echo "$ac_t""no" 1>&6 fi if test "$sigaction" = 1 && test "$siginfo_h" = 1 ; then cat >> confdefs.h <<\EOF #define SV_SIGINFO 1 EOF echo X 'SV_SIGINFO' '1' >> defines.out else echo $ac_n "checking for sigvec""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_sigvec'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char sigvec(); int main() { return 0; } int t() { /* 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_sigvec) || defined (__stub___sigvec) choke me #else sigvec(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_sigvec=yes" else rm -rf conftest* eval "ac_cv_func_sigvec=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'sigvec`\" = yes"; then echo "$ac_t""yes" 1>&6 sigvec=1 else echo "$ac_t""no" 1>&6 fi if test "$sigvec" = 1 && ./fpe_check phoney_arg >> defines.out ; then : else cat >> confdefs.h <<\EOF #define NOINFO_SIGFPE 1 EOF echo X 'NOINFO_SIGFPE' '1' >> defines.out fi fi ;; 1|2|4) # bad news have to turn off traps # only know how to do this on systemV and solaris ac_safe=`echo "ieeefp.h" | tr './\055' '___'` echo $ac_n "checking for ieeefp.h""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 ieeefp_h=1 else echo "$ac_t""no" 1>&6 fi echo $ac_n "checking for fpsetmask""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_fpsetmask'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char fpsetmask(); int main() { return 0; } int t() { /* 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_fpsetmask) || defined (__stub___fpsetmask) choke me #else fpsetmask(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_fpsetmask=yes" else rm -rf conftest* eval "ac_cv_func_fpsetmask=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'fpsetmask`\" = yes"; then echo "$ac_t""yes" 1>&6 fpsetmask=1 else echo "$ac_t""no" 1>&6 fi if test "$ieeefp_h" = 1 && test "$fpsetmask" = 1 ; then cat >> confdefs.h <<\EOF #define FPE_TRAPS_ON 1 EOF echo X 'FPE_TRAPS_ON' '1' >> defines.out cat >> confdefs.h <<\EOF #define USE_IEEEFP_H 1 EOF echo X 'USE_IEEEFP_H' '1' >> defines.out echo X 'TURN_ON_FPE_TRAPS()' 'fpsetmask(fpgetmask()|FP_X_DZ|FP_X_OFL)' >> defines.out echo $ac_n "checking for sigaction""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_sigaction'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char sigaction(); int main() { return 0; } int t() { /* 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_sigaction) || defined (__stub___sigaction) choke me #else sigaction(); #endif ; return 0; } EOF if eval $ac_link; then rm -rf conftest* eval "ac_cv_func_sigaction=yes" else rm -rf conftest* eval "ac_cv_func_sigaction=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_func_'sigaction`\" = yes"; then echo "$ac_t""yes" 1>&6 sigaction=1 else echo "$ac_t""no" 1>&6 fi ac_safe=`echo "siginfo.h" | tr './\055' '___'` echo $ac_n "checking for siginfo.h""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < EOF eval "$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_err=`grep -v '^ *+' conftest.out` if test -z "$ac_err"; then rm -rf conftest* eval "ac_cv_header_$ac_safe=yes" else echo "$ac_err" >&5 rm -rf conftest* eval "ac_cv_header_$ac_safe=no" fi rm -f conftest* fi if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then echo "$ac_t""yes" 1>&6 siginfo_h=1 else echo "$ac_t""no" 1>&6 fi if test "$sigaction" = 1 && test "$siginfo_h" = 1 ; then cat >> confdefs.h <<\EOF #define SV_SIGINFO 1 EOF echo X 'SV_SIGINFO' '1' >> defines.out else echo $ac_n "checking for sigvec""... $ac_c" 1>&6 if eval "test \"`echo '$''{'ac_cv_func_sigvec'+set}'`\" = set"; then echo $ac_n "(cached) $ac_c" 1>&6 else cat > conftest.$ac_ext < /* Override any gcc2 internal prototype to avoid an error. */ char sigvec(); int main() { return 0; } int t() { /* The GNU C library defines this for functions which it implements to always fail with ENOSYS. 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EOF ;; 2) cat 1>&2 <<'EOF' Warning: Your system defaults generate floating point exception on overflow but not on divide by zero. You need to #define TURN_ON_FPE_TRAPS() to handle divide by zero. Please report this so I can fix this script to do it automatically. EOF ;; 4) cat 1>&2 <<'EOF' Warning: Your system defaults do not generate floating point exceptions, but your math library does not support this behavior. You need to #define TURN_ON_FPE_TRAPS() to use fp exceptions for consistency. Please report this so I can fix this script to do it automatically. EOF ;; esac echo brennan@whidbey.com echo You can continue with the build and the resulting mawk will be echo useable, but getting FPE_TRAPS_ON correct eventually is best. fi ;; *) # some sort of disaster cat 1>&2 <<'EOF' The program `fpe_check' compiled from fpe_check.c seems to have unexpectly blown up. Please report this to brennan@whidbey.com. 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