diff options
Diffstat (limited to 'libphobos/configure')
-rwxr-xr-x | libphobos/configure | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libphobos/configure b/libphobos/configure index 06b5d0047c5..2658cc1728a 100755 --- a/libphobos/configure +++ b/libphobos/configure @@ -15047,6 +15047,79 @@ $as_echo "$druntime_cv_lib_sockets" >&6; } LIBS="$LIBS $druntime_cv_lib_sockets" + # Keep this in sync with core/thread.d, set druntime_fiber_asm_external to + # "yes" for targets that have 'version = AsmExternal'. + druntime_fiber_asm_external=no + case "$target_cpu" in + aarch64* | \ + arm* | \ + i[34567]86|x86_64 | \ + powerpc) + druntime_fiber_asm_external=yes + ;; + esac + if test "$druntime_fiber_asm_external" = no; then + { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing swapcontext" >&5 +$as_echo_n "checking for library containing swapcontext... " >&6; } +if ${ac_cv_search_swapcontext+:} false; then : + $as_echo_n "(cached) " >&6 +else + ac_func_search_save_LIBS=$LIBS +cat confdefs.h - <<_ACEOF >conftest.$ac_ext +/* end confdefs.h. */ + +/* Override any GCC internal prototype to avoid an error. + Use char because int might match the return type of a GCC + builtin and then its argument prototype would still apply. */ +#ifdef __cplusplus +extern "C" +#endif +char swapcontext (); +int +main () +{ +return swapcontext (); + ; + return 0; +} +_ACEOF +for ac_lib in '' c ucontext; do + if test -z "$ac_lib"; then + ac_res="none required" + else + ac_res=-l$ac_lib + LIBS="-l$ac_lib $ac_func_search_save_LIBS" + fi + if ac_fn_c_try_link "$LINENO"; then : + ac_cv_search_swapcontext=$ac_res +fi +rm -f core conftest.err conftest.$ac_objext \ + conftest$ac_exeext + if ${ac_cv_search_swapcontext+:} false; then : + break +fi +done +if ${ac_cv_search_swapcontext+:} false; then : + +else + ac_cv_search_swapcontext=no +fi +rm conftest.$ac_ext +LIBS=$ac_func_search_save_LIBS +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_swapcontext" >&5 +$as_echo "$ac_cv_search_swapcontext" >&6; } +ac_res=$ac_cv_search_swapcontext +if test "$ac_res" != no; then : + test "$ac_res" = "none required" || LIBS="$ac_res $LIBS" + +else + as_fn_error $? "swapcontext required but not found" "$LINENO" 5 +fi + + fi + + ac_ext=c ac_cpp='$CPP $CPPFLAGS' ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5' |