diff options
Diffstat (limited to 'configure.in')
| -rw-r--r-- | configure.in | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/configure.in b/configure.in index 62b34a8c62..73688088fc 100644 --- a/configure.in +++ b/configure.in @@ -522,7 +522,7 @@ AC_CHECK_HEADERS(stdlib.h string.h unistd.h limits.h sys/file.h sys/ioctl.h sys/ fcntl.h sys/fcntl.h sys/select.h sys/time.h sys/times.h sys/param.h\ syscall.h pwd.h grp.h a.out.h utime.h memory.h direct.h sys/resource.h \ sys/mkdev.h sys/utime.h netinet/in_systm.h float.h ieeefp.h pthread.h \ - ucontext.h intrinsics.h time.h) + intrinsics.h time.h) dnl Check additional types. AC_CHECK_SIZEOF(rlim_t, 0, [ @@ -1085,8 +1085,22 @@ if test x"$enable_pthread" = xyes; then fi fi fi -if test x"$ac_cv_header_ucontext_h" = xyes; then - if test x"$rb_with_pthread" = xyes; then + +use_context=no +if test x"$rb_with_pthread" = xyes; then + AS_CASE("$target_cpu:$target_os:$cross_compiling", + [*:linux*:no], [ + if test -n "`(/lib/libc.so.6 2>/dev/null | fgrep 'linuxthreads') 2> /dev/null`"; then + use_context=yes + fi + ], + [sparc*], [ + use_context=yes + ]) +fi +if test x"$use_context" = xyes; then + AC_CHECK_HEADERS(ucontext.h) + if test x"$ac_cv_header_ucontext_h" = xyes; then AC_CHECK_FUNCS(getcontext setcontext) fi fi |