📄 configure
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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:$LINENO: 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:$LINENO: 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 $LINENO "configure"#include "confdefs.h"#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){ ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $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:$LINENO: 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:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $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 $LINENO "configure"#include "confdefs.h"#include <stdlib.h>$ac_declaration#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){exit (42); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $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 $LINENO "configure"#include "confdefs.h"$ac_declaration#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){exit (42); ; return 0;}_ACEOFrm -f conftest.$ac_objextif { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 (eval $ac_compile) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest.$ac_objext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $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_gnu# Checks for libraries.echo "$as_me:$LINENO: checking for tparm in -lncurses" >&5echo $ECHO_N "checking for tparm in -lncurses... $ECHO_C" >&6if test "${ac_cv_lib_ncurses_tparm+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else ac_check_lib_save_LIBS=$LIBSLIBS="-lncurses $LIBS"cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"/* Override any gcc2 internal prototype to avoid an error. */#ifdef __cplusplusextern "C"#endif/* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char tparm ();#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){tparm (); ; return 0;}_ACEOFrm -f conftest.$ac_objext conftest$ac_exeextif { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_ncurses_tparm=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_cv_lib_ncurses_tparm=nofirm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_extLIBS=$ac_check_lib_save_LIBSfiecho "$as_me:$LINENO: result: $ac_cv_lib_ncurses_tparm" >&5echo "${ECHO_T}$ac_cv_lib_ncurses_tparm" >&6if test $ac_cv_lib_ncurses_tparm = yes; then TERMLIB=-lncurseselse echo "$as_me:$LINENO: checking for tgetent in -ltermcap" >&5echo $ECHO_N "checking for tgetent in -ltermcap... $ECHO_C" >&6if test "${ac_cv_lib_termcap_tgetent+set}" = set; then echo $ECHO_N "(cached) $ECHO_C" >&6else ac_check_lib_save_LIBS=$LIBSLIBS="-ltermcap $LIBS"cat >conftest.$ac_ext <<_ACEOF#line $LINENO "configure"#include "confdefs.h"/* Override any gcc2 internal prototype to avoid an error. */#ifdef __cplusplusextern "C"#endif/* We use char because int might match the return type of a gcc2 builtin and then its argument prototype would still apply. */char tgetent ();#ifdef F77_DUMMY_MAIN# ifdef __cplusplus extern "C"# endif int F77_DUMMY_MAIN() { return 1; }#endifintmain (){tgetent (); ; return 0;}_ACEOFrm -f conftest.$ac_objext conftest$ac_exeextif { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5 (eval $ac_link) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); } && { ac_try='test -s conftest$ac_exeext' { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 (eval $ac_try) 2>&5 ac_status=$? echo "$as_me:$LINENO: \$? = $ac_status" >&5 (exit $ac_status); }; }; then ac_cv_lib_termcap_tgetent=yeselse echo "$as_me: failed program was:" >&5cat conftest.$ac_ext >&5ac_cv_lib_termcap_tgetent=nofirm -f conftest.$ac_objext conftest$ac_exeext conftest.$ac_extLIBS=$ac_check_lib_save_LIBSfiecho "$as_me:$LINENO: result: $ac_cv_lib_termcap_tgetent" >&5echo "${ECHO_T}$ac_cv_lib_termcap_tgetent" >&6if test $ac_cv_lib_termcap_tgetent = yes; then TERMLIB=-ltermcapfifisaved_LIBS="$LIBS"LIBS="$LIBS $TERMLIB"ac_ext=cac_cpp='$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 "$as_me:$LINENO: 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 $LINENO "configure"#include "confdefs.h"#include <assert.h> Syntax error_ACEOFif { (eval echo "$as_me:$LINENO: \"$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:$LINENO: \$? = $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 $LINENO "configure"#include "confdefs.h"#include <ac_nonexistent.h>_ACEOFif { (eval echo "$as_me:$LINENO: \"$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:$LINENO: \$? = $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_extdone# Because of `break', _AC_PREPROC_IFELSE's cleaning code was skipped.rm -f conftest.err conftest.$ac_extif $ac_preproc_ok; then breakfi done ac_cv_prog_CPP=$CPPfi CPP=$ac_cv_prog_CPPelse ac_cv_prog_CPP=$CPPfiecho "$as_me:$LINENO: result: $CPP" >&5echo "${ECHO_T}$CPP" >&6ac_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 comp
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