diff options
Diffstat (limited to 'unix/configure')
| -rwxr-xr-x | unix/configure | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/unix/configure b/unix/configure index 0b42510..31758c3 100755 --- a/unix/configure +++ b/unix/configure @@ -857,6 +857,8 @@ Optional Features: --enable-load allow dynamic loading and "load" command (default: on) --enable-symbols build with debugging symbols (default: off) + --enable-usleep use usleep if possible to sleep, otherwise use + Tcl_Sleep (default: on) --enable-langinfo use nl_langinfo if possible to determine encoding at startup, otherwise use old heuristic (default: on) --enable-dll-unloading enable the 'unload' command (default: on) @@ -16728,6 +16730,235 @@ _ACEOF fi #-------------------------------------------------------------------- +# Check for support of usleep function +#-------------------------------------------------------------------- + + + # Check whether --enable-usleep or --disable-usleep was given. +if test "${enable_usleep+set}" = set; then + enableval="$enable_usleep" + usleep_ok=$enableval +else + usleep_ok=yes +fi; + + HAVE_USLEEP=0 + if test "$usleep_ok" = "yes"; then + if test "${ac_cv_header_unistd_h+set}" = set; then + echo "$as_me:$LINENO: checking for unistd.h" >&5 +echo $ECHO_N "checking for unistd.h... $ECHO_C" >&6 +if test "${ac_cv_header_unistd_h+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +fi +echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5 +echo "${ECHO_T}$ac_cv_header_unistd_h" >&6 +else + # Is the header compilable? +echo "$as_me:$LINENO: checking unistd.h usability" >&5 +echo $ECHO_N "checking unistd.h usability... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +$ac_includes_default +#include <unistd.h> +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$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 $ac_status); }; }; then + ac_header_compiler=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +ac_header_compiler=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_compiler" >&5 +echo "${ECHO_T}$ac_header_compiler" >&6 + +# Is the header present? +echo "$as_me:$LINENO: checking unistd.h presence" >&5 +echo $ECHO_N "checking unistd.h presence... $ECHO_C" >&6 +cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <unistd.h> +_ACEOF +if { (eval echo "$as_me:$LINENO: \"$ac_cpp conftest.$ac_ext\"") >&5 + (eval $ac_cpp conftest.$ac_ext) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$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 + ac_cpp_err=$ac_cpp_err$ac_c_werror_flag + else + ac_cpp_err= + fi +else + ac_cpp_err=yes +fi +if test -z "$ac_cpp_err"; then + ac_header_preproc=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + + ac_header_preproc=no +fi +rm -f conftest.err conftest.$ac_ext +echo "$as_me:$LINENO: result: $ac_header_preproc" >&5 +echo "${ECHO_T}$ac_header_preproc" >&6 + +# So? What about this header? +case $ac_header_compiler:$ac_header_preproc:$ac_c_preproc_warn_flag in + yes:no: ) + { echo "$as_me:$LINENO: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&5 +echo "$as_me: WARNING: unistd.h: accepted by the compiler, rejected by the preprocessor!" >&2;} + { echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the compiler's result" >&5 +echo "$as_me: WARNING: unistd.h: proceeding with the compiler's result" >&2;} + ac_header_preproc=yes + ;; + no:yes:* ) + { echo "$as_me:$LINENO: WARNING: unistd.h: present but cannot be compiled" >&5 +echo "$as_me: WARNING: unistd.h: present but cannot be compiled" >&2;} + { echo "$as_me:$LINENO: WARNING: unistd.h: check for missing prerequisite headers?" >&5 +echo "$as_me: WARNING: unistd.h: check for missing prerequisite headers?" >&2;} + { echo "$as_me:$LINENO: WARNING: unistd.h: see the Autoconf documentation" >&5 +echo "$as_me: WARNING: unistd.h: see the Autoconf documentation" >&2;} + { echo "$as_me:$LINENO: WARNING: unistd.h: section \"Present But Cannot Be Compiled\"" >&5 +echo "$as_me: WARNING: unistd.h: section \"Present But Cannot Be Compiled\"" >&2;} + { echo "$as_me:$LINENO: WARNING: unistd.h: proceeding with the preprocessor's result" >&5 +echo "$as_me: WARNING: unistd.h: proceeding with the preprocessor's result" >&2;} + { echo "$as_me:$LINENO: WARNING: unistd.h: in the future, the compiler will take precedence" >&5 +echo "$as_me: WARNING: unistd.h: in the future, the compiler will take precedence" >&2;} + ( + cat <<\_ASBOX +## ------------------------------ ## +## Report this to the tcl lists. ## +## ------------------------------ ## +_ASBOX + ) | + sed "s/^/$as_me: WARNING: /" >&2 + ;; +esac +echo "$as_me:$LINENO: checking for unistd.h" >&5 +echo $ECHO_N "checking for unistd.h... $ECHO_C" >&6 +if test "${ac_cv_header_unistd_h+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + ac_cv_header_unistd_h=$ac_header_preproc +fi +echo "$as_me:$LINENO: result: $ac_cv_header_unistd_h" >&5 +echo "${ECHO_T}$ac_cv_header_unistd_h" >&6 + +fi +if test $ac_cv_header_unistd_h = yes; then + usleep_ok=yes +else + usleep_ok=no +fi + + + fi + echo "$as_me:$LINENO: checking whether to use usleep" >&5 +echo $ECHO_N "checking whether to use usleep... $ECHO_C" >&6 + if test "$usleep_ok" = "yes"; then + if test "${tcl_cv_usleep_h+set}" = set; then + echo $ECHO_N "(cached) $ECHO_C" >&6 +else + + cat >conftest.$ac_ext <<_ACEOF +/* confdefs.h. */ +_ACEOF +cat confdefs.h >>conftest.$ac_ext +cat >>conftest.$ac_ext <<_ACEOF +/* end confdefs.h. */ +#include <unistd.h> +int +main () +{ +usleep(0); + ; + return 0; +} +_ACEOF +rm -f conftest.$ac_objext +if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5 + (eval $ac_compile) 2>conftest.er1 + ac_status=$? + grep -v '^ *+' conftest.er1 >conftest.err + rm -f conftest.er1 + cat conftest.err >&5 + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); } && + { ac_try='test -z "$ac_c_werror_flag" + || test ! -s conftest.err' + { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5 + (eval $ac_try) 2>&5 + ac_status=$? + echo "$as_me:$LINENO: \$? = $ac_status" >&5 + (exit $ac_status); }; } && + { ac_try='test -s conftest.$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 $ac_status); }; }; then + tcl_cv_usleep_h=yes +else + echo "$as_me: failed program was:" >&5 +sed 's/^/| /' conftest.$ac_ext >&5 + +tcl_cv_usleep_h=no +fi +rm -f conftest.err conftest.$ac_objext conftest.$ac_ext +fi + + echo "$as_me:$LINENO: result: $tcl_cv_usleep_h" >&5 +echo "${ECHO_T}$tcl_cv_usleep_h" >&6 + if test $tcl_cv_usleep_h = yes; then + +cat >>confdefs.h <<\_ACEOF +#define HAVE_USLEEP 1 +_ACEOF + + fi + else + echo "$as_me:$LINENO: result: $usleep_ok" >&5 +echo "${ECHO_T}$usleep_ok" >&6 + fi + + +#-------------------------------------------------------------------- # Check for support of nl_langinfo function #-------------------------------------------------------------------- |