diff options
Diffstat (limited to 'erts/aclocal.m4')
| -rw-r--r-- | erts/aclocal.m4 | 75 |
1 files changed, 62 insertions, 13 deletions
diff --git a/erts/aclocal.m4 b/erts/aclocal.m4 index e7b154a82b..443d8622bf 100644 --- a/erts/aclocal.m4 +++ b/erts/aclocal.m4 @@ -386,14 +386,24 @@ AC_DEFUN(LM_SYS_IPV6, AC_CACHE_VAL(ac_cv_sys_ipv6_support, [ok_so_far=yes AC_TRY_COMPILE([#include <sys/types.h> -#include <netinet/in.h>], +#ifdef __WIN32__ +#include <winsock2.h> +#include <ws2tcpip.h> +#else +#include <netinet/in.h> +#endif], [struct in6_addr a6; struct sockaddr_in6 s6;], ok_so_far=yes, ok_so_far=no) if test $ok_so_far = yes; then ac_cv_sys_ipv6_support=yes else AC_TRY_COMPILE([#include <sys/types.h> -#include <netinet/in.h>], +#ifdef __WIN32__ +#include <winsock2.h> +#include <ws2tcpip.h> +#else +#include <netinet/in.h> +#endif], [struct in_addr6 a6; struct sockaddr_in6 s6;], ac_cv_sys_ipv6_support=in_addr6, ac_cv_sys_ipv6_support=no) fi @@ -994,8 +1004,8 @@ case "$THR_LIB_NAME" in case "$host_cpu" in sun4u | sparc64 | sun4v) - ethr_have_native_atomics=yes;; - i86pc | i386 | i486 | i586 | i686 | x86_64 | amd64) + ethr_have_native_atomics=yes;; + i86pc | i*86 | x86_64 | amd64) ethr_have_native_atomics=yes;; macppc | ppc | "Power Macintosh") ethr_have_native_atomics=yes;; @@ -1099,21 +1109,60 @@ AC_ARG_ENABLE(prefer-gcc-native-ethr-impls, test $enable_prefer_gcc_native_ethr_impls = yes && AC_DEFINE(ETHR_PREFER_GCC_NATIVE_IMPLS, 1, [Define if you prefer gcc native ethread implementations]) +AC_ARG_WITH(libatomic_ops, + AS_HELP_STRING([--with-libatomic_ops=PATH], + [specify and prefer usage of libatomic_ops in the ethread library])) + AC_ARG_ENABLE(ethread-pre-pentium4-compatibility, AS_HELP_STRING([--enable-ethread-pre-pentium4-compatibility], [enable compatibility with x86 processors before pentium 4 (back to 486) in the ethread library]), -[ case "$enableval" in - yes) enable_ethread_pre_pentium4_compatibility=yes ;; - *) enable_ethread_pre_pentium4_compatibilit=no ;; - esac ], enable_ethread_pre_pentium4_compatibilit=no) +[ + case "$enable_ethread_pre_pentium4_compatibility" in + yes|no) ;; + *) enable_ethread_pre_pentium4_compatibility=check;; + esac +], +[enable_ethread_pre_pentium4_compatibility=check]) + +test "$cross_compiling" != "yes" || enable_ethread_pre_pentium4_compatibility=no + +case "$enable_ethread_pre_pentium4_compatibility-$host_cpu" in + check-i86pc | check-i*86) + AC_MSG_CHECKING([whether pre pentium 4 compatibility should forced]) + AC_RUN_IFELSE([ +#if defined(__GNUC__) +# if defined(ETHR_PREFER_LIBATOMIC_OPS_NATIVE_IMPLS) +# define CHECK_LIBATOMIC_OPS__ +# else +# define CHECK_GCC_ASM__ +# endif +#elif defined(ETHR_HAVE_LIBATOMIC_OPS) +# define CHECK_LIBATOMIC_OPS__ +#endif +#if defined(CHECK_LIBATOMIC_OPS__) +#include "atomic_ops.h" +#endif +int main(void) +{ +#if defined(CHECK_GCC_ASM__) + __asm__ __volatile__("mfence" : : : "memory"); +#elif defined(CHECK_LIBATOMIC_OPS__) + AO_nop_full(); +#endif + return 0; +} + ], + [enable_ethread_pre_pentium4_compatibility=no], + [enable_ethread_pre_pentium4_compatibility=yes], + [enable_ethread_pre_pentium4_compatibility=no]) + AC_MSG_RESULT([$enable_ethread_pre_pentium4_compatibility]);; + *) + ;; +esac -test $enable_ethread_pre_pentium4_compatibilit = yes && +test $enable_ethread_pre_pentium4_compatibility = yes && AC_DEFINE(ETHR_PRE_PENTIUM4_COMPAT, 1, [Define if you want compatibilty with x86 processors before pentium4.]) -AC_ARG_WITH(libatomic_ops, - AS_HELP_STRING([--with-libatomic_ops=PATH], - [specify and prefer usage of libatomic_ops in the ethread library])) - AC_DEFINE(ETHR_HAVE_ETHREAD_DEFINES, 1, \ [Define if you have all ethread defines]) |