diff options
| -rw-r--r-- | erts/configure.in | 106 |
1 files changed, 64 insertions, 42 deletions
diff --git a/erts/configure.in b/erts/configure.in index faccf5f102..ea97d73aa8 100644 --- a/erts/configure.in +++ b/erts/configure.in @@ -1,20 +1,20 @@ dnl Process this file with autoconf to produce a configure script. -*-m4-*- dnl %CopyrightBegin% -dnl -dnl Copyright Ericsson AB 1997-2009. All Rights Reserved. -dnl +dnl +dnl Copyright Ericsson AB 1997-2010. All Rights Reserved. +dnl dnl The contents of this file are subject to the Erlang Public License, dnl Version 1.1, (the "License"); you may not use this file except in dnl compliance with the License. You should have received a copy of the dnl Erlang Public License along with this software. If not, it can be dnl retrieved online at http://www.erlang.org/. -dnl +dnl dnl Software distributed under the License is distributed on an "AS IS" dnl basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See dnl the License for the specific language governing rights and limitations dnl under the License. -dnl +dnl dnl %CopyrightEnd% dnl The string "FIXME convbreak" means that there is a break of @@ -344,6 +344,9 @@ case $host_os in AC_MSG_WARN([Reverting to 32-bit time_t]) CPPFLAGS="$CPPFLAGS -D_USE_32BIT_TIME_T" ;; + darwin*) + CPPFLAGS="$CPPFLAGS -D_XOPEN_SOURCE" + ;; *) ;; esac @@ -2098,6 +2101,44 @@ if test X${enable_hipe} != Xno; then esac fi fi + +case $ARCH-$OPSYS in + amd64-darwin*|x86-darwin*) + AC_MSG_CHECKING([For modern (leopard) style mcontext_t]) + AC_TRY_COMPILE([ + #include <stdlib.h> + #include <sys/types.h> + #include <unistd.h> + #include <mach/mach.h> + #include <pthread.h> + #include <machine/signal.h> + #include <ucontext.h> + ],[ + #if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) + #define __DARWIN__ 1 + #endif + + #ifndef __DARWIN__ + #error inpossible + #else + + mcontext_t mc = NULL; + int x = mc->__fs.__fpu_mxcsr; + + #endif + ],darwin_mcontext_leopard=yes, + darwin_mcontext_leopard=no) + if test X"$darwin_mcontext_leopard" = X"yes"; then + AC_DEFINE(DARWIN_MODERN_MCONTEXT,[],[Modern style mcontext_t in MacOSX]) + AC_MSG_RESULT(yes) + else + AC_MSG_RESULT(no) + fi + ;; + *) + darwin_mcontext_leopard=no + ;; +esac if test X${enable_fp_exceptions} = Xauto ; then if test X${enable_hipe} = Xyes; then enable_fp_exceptions=yes @@ -2487,6 +2528,7 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) regs[PT_FPSCR] = 0x80|0x40|0x10; /* VE, OE, ZE; not UE or XE */ #endif #elif defined(__DARWIN__) +#if defined(DARWIN_MODERN_MCONTEXT) #if defined(__x86_64__) mcontext_t mc = uc->uc_mcontext; struct __darwin_x86_float_state64 *fpstate = &mc->__fs; @@ -2502,6 +2544,23 @@ static void fpe_sig_action(int sig, siginfo_t *si, void *puc) mc->ss.srr0 += 4; mc->fs.fpscr = 0x80|0x40|0x10; #endif +#else +#if defined(__x86_64__) + mcontext_t mc = uc->uc_mcontext; + struct x86_float_state64_t *fpstate = &mc->fs; + fpstate->fpu_mxcsr = 0x1F80; + *(unsigned short *)&fpstate->fpu_fsw &= ~0xFF; +#elif defined(__i386__) + mcontext_t mc = uc->uc_mcontext; + x86_float_state32_t *fpstate = &mc->fs; + fpstate->fpu_mxcsr = 0x1F80; + *(unsigned short *)&fpstate->fpu_fsw &= ~0xFF; +#elif defined(__ppc__) + mcontext_t mc = uc->uc_mcontext; + mc->ss.srr0 += 4; + mc->fs.fpscr = 0x80|0x40|0x10; +#endif +#endif #elif defined(__FreeBSD__) && defined(__x86_64__) mcontext_t *mc = &uc->uc_mcontext; struct savefpu *savefpu = (struct savefpu*)&mc->mc_fpstate; @@ -2615,43 +2674,6 @@ fi) fi fi -case $ARCH-$OPSYS in - amd64-darwin*|x86-darwin*) - AC_MSG_CHECKING([For modern (leopard) style mcontext_t]) - AC_TRY_COMPILE([ - #include <stdlib.h> - #include <sys/types.h> - #include <unistd.h> - #include <mach/mach.h> - #include <pthread.h> - #include <machine/signal.h> - #include <ucontext.h> - ],[ - #if defined(__APPLE__) && defined(__MACH__) && !defined(__DARWIN__) - #define __DARWIN__ 1 - #endif - - #ifndef __DARWIN__ - #error inpossible - #else - - mcontext_t mc = NULL; - int x = mc->__fs.__fpu_mxcsr; - - #endif - ],darwin_mcontext_leopard=yes, - darwin_mcontext_leopard=no) - if test X"$darwin_mcontext_leopard" = X"yes"; then - AC_DEFINE(DARWIN_MODERN_MCONTEXT,[],[Modern style mcontext_t in MacOSX]) - AC_MSG_RESULT(yes) - else - AC_MSG_RESULT(no) - fi - ;; - *) - darwin_mcontext_leopard=no - ;; -esac |