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doneelse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5{ { echo "$as_me:1304: error: C compiler cannot create executables" >&5echo "$as_me: error: C compiler cannot create executables" >&2;} { (exit 77); exit 77; }; }fiac_exeext=$ac_cv_exeextecho "$as_me:1310: result: $ac_file" >&5echo "${ECHO_T}$ac_file" >&6# Check the compiler produces executables we can run. If not, either# the compiler is broken, or we cross compile.echo "$as_me:1315: checking whether the C compiler works" >&5echo $ECHO_N "checking whether the C compiler works... $ECHO_C" >&6# FIXME: These cross compiler hacks should be removed for Autoconf 3.0# If not cross compiling, check that we can run a simple program.if test "$cross_compiling" != yes; then if { ac_try='./$ac_file' { (eval echo "$as_me:1321: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1324: \$? = $ac_status" >&5 (exit $ac_status); }; }; then cross_compiling=no else if test "$cross_compiling" = maybe; then cross_compiling=yes else { { echo "$as_me:1331: error: cannot run C compiled programs.If you meant to cross compile, use \`--host'." >&5echo "$as_me: error: cannot run C compiled programs.If you meant to cross compile, use \`--host'." >&2;} { (exit 1); exit 1; }; } fi fifiecho "$as_me:1339: result: yes" >&5echo "${ECHO_T}yes" >&6rm -f a.out a.exe conftest$ac_cv_exeextac_clean_files=$ac_clean_files_save# Check the compiler produces executables we can run. If not, either# the compiler is broken, or we cross compile.echo "$as_me:1346: checking whether we are cross compiling" >&5echo $ECHO_N "checking whether we are cross compiling... $ECHO_C" >&6echo "$as_me:1348: result: $cross_compiling" >&5echo "${ECHO_T}$cross_compiling" >&6echo "$as_me:1351: checking for executable suffix" >&5echo $ECHO_N "checking for executable suffix... $ECHO_C" >&6if { (eval echo "$as_me:1353: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:1356: \$? = $ac_status" >&5 (exit $ac_status); }; then # If both `conftest.exe' and `conftest' are `present' (well, observable)# catch `conftest.exe'. For instance with Cygwin, `ls conftest' will# work properly (i.e., refer to `conftest.exe'), while it won't with# `rm'.for ac_file in `(ls conftest.exe; ls conftest; ls conftest.*) 2>/dev/null`; do case $ac_file in *.$ac_ext | *.o | *.obj | *.xcoff | *.tds | *.d | *.pdb ) ;; *.* ) ac_cv_exeext=`expr "$ac_file" : '[^.]*\(\..*\)'` export ac_cv_exeext break;; * ) break;; esacdoneelse { { echo "$as_me:1372: error: cannot compute EXEEXT: cannot compile and link" >&5echo "$as_me: error: cannot compute EXEEXT: cannot compile and link" >&2;} { (exit 1); exit 1; }; }firm -f conftest$ac_cv_exeextecho "$as_me:1378: result: $ac_cv_exeext" >&5echo "${ECHO_T}$ac_cv_exeext" >&6rm -f conftest.$ac_extEXEEXT=$ac_cv_exeextac_exeext=$EXEEXTecho "$as_me:1384: checking for object suffix" >&5echo $ECHO_N "checking for object suffix... $ECHO_C" >&6if test "${ac_cv_objext+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else cat >conftest.$ac_ext <<_ACEOF#line 1390 "configure"#include "confdefs.h"intmain (){ ; return 0;}_ACEOFrm -f conftest.o conftest.objif { (eval echo "$as_me:1402: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:1405: \$? = $ac_status" >&5 (exit $ac_status); }; then for ac_file in `(ls conftest.o conftest.obj; ls conftest.*) 2>/dev/null`; do case $ac_file in *.$ac_ext | *.xcoff | *.tds | *.d | *.pdb ) ;; *) ac_cv_objext=`expr "$ac_file" : '.*\.\(.*\)'` break;; esacdoneelse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5{ { echo "$as_me:1417: error: cannot compute OBJEXT: cannot compile" >&5echo "$as_me: error: cannot compute OBJEXT: cannot compile" >&2;} { (exit 1); exit 1; }; }firm -f conftest.$ac_cv_objext conftest.$ac_extfiecho "$as_me:1424: result: $ac_cv_objext" >&5echo "${ECHO_T}$ac_cv_objext" >&6OBJEXT=$ac_cv_objextac_objext=$OBJEXTecho "$as_me:1428: checking whether we are using the GNU C compiler" >&5echo $ECHO_N "checking whether we are using the GNU C compiler... $ECHO_C" >&6if test "${ac_cv_c_compiler_gnu+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else cat >conftest.$ac_ext <<_ACEOF#line 1434 "configure"#include "confdefs.h"intmain (){#ifndef __GNUC__ choke me#endif ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1449: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:1452: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:1455: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1458: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_compiler_gnu=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_compiler_gnu=nofirm -f conftest.$ac_objext conftest.$ac_extac_cv_c_compiler_gnu=$ac_compiler_gnufiecho "$as_me:1470: result: $ac_cv_c_compiler_gnu" >&5echo "${ECHO_T}$ac_cv_c_compiler_gnu" >&6GCC=`test $ac_compiler_gnu = yes && echo yes`ac_test_CFLAGS=${CFLAGS+set}ac_save_CFLAGS=$CFLAGSCFLAGS="-g"echo "$as_me:1476: checking whether $CC accepts -g" >&5echo $ECHO_N "checking whether $CC accepts -g... $ECHO_C" >&6if test "${ac_cv_prog_cc_g+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else cat >conftest.$ac_ext <<_ACEOF#line 1482 "configure"#include "confdefs.h"intmain (){ ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1494: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:1497: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:1500: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1503: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_prog_cc_g=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_cv_prog_cc_g=nofirm -f conftest.$ac_objext conftest.$ac_extfiecho "$as_me:1513: result: $ac_cv_prog_cc_g" >&5echo "${ECHO_T}$ac_cv_prog_cc_g" >&6if test "$ac_test_CFLAGS" = set; then CFLAGS=$ac_save_CFLAGSelif test $ac_cv_prog_cc_g = yes; then if test "$GCC" = yes; then CFLAGS="-g -O2" else CFLAGS="-g" fielse if test "$GCC" = yes; then CFLAGS="-O2" else CFLAGS= fifi# Some people use a C++ compiler to compile C. Since we use `exit',# in C++ we need to declare it. In case someone uses the same compiler# for both compiling C and C++ we need to have the C++ compiler decide# the declaration of exit, since it's the most demanding environment.cat >conftest.$ac_ext <<_ACEOF#ifndef __cplusplus choke me#endif_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1540: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:1543: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:1546: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1549: \$? = $ac_status" >&5 (exit $ac_status); }; }; then for ac_declaration in \ ''\ '#include <stdlib.h>' \ 'extern "C" void std::exit (int) throw (); using std::exit;' \ 'extern "C" void std::exit (int); using std::exit;' \ 'extern "C" void exit (int) throw ();' \ 'extern "C" void exit (int);' \ 'void exit (int);'do cat >conftest.$ac_ext <<_ACEOF#line 1561 "configure"#include "confdefs.h"#include <stdlib.h>$ac_declarationintmain (){exit (42); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1574: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:1577: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:1580: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1583: \$? = $ac_status" >&5 (exit $ac_status); }; }; then :else echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5continuefirm -f conftest.$ac_objext conftest.$ac_ext cat >conftest.$ac_ext <<_ACEOF#line 1593 "configure"#include "confdefs.h"$ac_declarationintmain (){exit (42); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:1605: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:1608: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:1611: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:1614: \$? = $ac_status" >&5 (exit $ac_status); }; }; then breakelse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extdonerm -f conftest*if test -n "$ac_declaration"; then echo '#ifdef __cplusplus' >>confdefs.h echo $ac_declaration >>confdefs.h echo '#endif' >>confdefs.hfielse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5firm -f conftest.$ac_objext conftest.$ac_extac_ext=cac_cpp='$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_gnuac_ext=cac_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_gnuecho "$as_me:1646: checking how to run the C preprocessor" >&5echo $ECHO_N "checking how to run the C preprocessor... $ECHO_C" >&6# On Suns, sometimes $CPP names a directory.if test -n "$CPP" && test -d "$CPP"; then CPP=fiif test -z "$CPP"; then if test "${ac_cv_prog_CPP+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else # Double quotes because CPP needs to be expanded for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp" do ac_preproc_ok=falsefor ac_c_preproc_warn_flag in '' yesdo # Use a header file that comes with gcc, so configuring glibc # with a fresh cross-compiler works. # On the NeXT, cc -E runs the code through the compiler's parser, # not just through cpp. "Syntax error" is here to catch this case. cat >conftest.$ac_ext <<_ACEOF#line 1667 "configure"#include "confdefs.h"#include <assert.h> Syntax error_ACEOFif { (eval echo "$as_me:1672: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:1678: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag else ac_cpp_err= fielse ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then :else echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 # Broken: fails on valid input.continuefirm -f conftest.err conftest.$ac_ext # OK, works on sane cases. Now check whether non-existent headers # can be detected and how. cat >conftest.$ac_ext <<_ACEOF#line 1701 "configure"#include "confdefs.h"#include <ac_nonexistent.h>_ACEOFif { (eval echo "$as_me:1705: \"$ac_cpp conftest.$ac_ext\"") >&5 (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 ac_status=$? egrep -v '^ *\+' conftest.er1 >conftest.err rm -f conftest.er1 cat conftest.err >&5 echo "$as_me:1711: \$? = $ac_status" >&5 (exit $ac_status); } >/dev/null; then if test -s conftest.err; then ac_cpp_err=$ac_c_preproc_warn_flag else ac_cpp_err= fielse ac_cpp_err=yesfiif test -z "$ac_cpp_err"; then # Broken: success on invalid input.continueelse echo "$as_me: failed program was:" >&5 cat conftest.$ac_ext >&5 # Passes both tests.ac_preproc_ok=:breakfirm -f conftest.err conftest.$ac_ext
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