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what follows is a (glibc) patch i found on the net for adding what appears to be NPTL-only support (not including linuxthreads). as dan pointed out to me by email, that patch is clearly not acceptable if it prevents linuxthreads support. any comments on patches that would allow both, based on the selection with "--enable-add-ons"? thanks. rday A little hack for cross-compiling NPTL w/out linuxthreads. --- libc/nptl/sysdeps/pthread/configure.in +++ libc/nptl/sysdeps/pthread/configure.in @@ -28,6 +28,9 @@ struct _Unwind_Context *context; _Unwind_GetCFA (context)], libc_cv_forced_unwind=yes, libc_cv_forced_unwind=no)]) +if test $libc_cv_forced_unwind = no -a $build_cpu != $host_cpu; then + libc_cv_forced_unwind=yes +fi if test $libc_cv_forced_unwind = yes; then AC_DEFINE(HAVE_FORCED_UNWIND) dnl Check for C cleanup handling. @@ -41,6 +44,9 @@ puts ("test")], libc_cv_c_cleanup=yes, libc_cv_c_cleanup=no)]) CFLAGS="$old_CFLAGS" + if test $libc_cv_c_cleanup = no -a $build_cpu != $host_cpu; then + libc_cv_c_cleanup=yes + fi if test $libc_cv_c_cleanup = no; then AC_MSG_ERROR([the compiler must support C cleanup handling]) fi --- libc/nptl/sysdeps/pthread/configure +++ libc/nptl/sysdeps/pthread/configure @@ -81,6 +81,10 @@ fi echo "$as_me:$LINENO: result: $libc_cv_forced_unwind" >&5 echo "${ECHO_T}$libc_cv_forced_unwind" >&6 +if test $libc_cv_forced_unwind = no -a $build_cpu != $host_cpu; then + echo "$as_me:$LINENO: forcing libc_cv_forced_unwind = yes for cross-compile" + libc_cv_forced_unwind=yes +fi if test $libc_cv_forced_unwind = yes; then cat >>confdefs.h <<\_ACEOF #define HAVE_FORCED_UNWIND 1 @@ -147,6 +151,10 @@ echo "$as_me:$LINENO: result: $libc_cv_c_cleanup" >&5 echo "${ECHO_T}$libc_cv_c_cleanup" >&6 CFLAGS="$old_CFLAGS" + if test $libc_cv_c_cleanup = no -a $build_cpu != $host_cpu; then + echo "$as_me:$LINENO: result: forcing libc_cv_c_cleanup = yes for cross-compile" + libc_cv_c_cleanup=yes + fi if test $libc_cv_c_cleanup = no; then { { echo "$as_me:$LINENO: error: the compiler must support C cleanup handling" >&5 echo "$as_me: error: the compiler must support C cleanup handling" >&2;} ------ Want more information? See the CrossGCC FAQ, http://www.objsw.com/CrossGCC/ Want to unsubscribe? Send a note to crossgcc-unsubscribe@sources.redhat.com
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