?RCS: ?RCS: Copyright (c) 2012 Raphael Manfredi ?RCS: ?RCS: You may redistribute only under the terms of the Artistic License, ?RCS: as specified in the README file that comes with the distribution. ?RCS: You may reuse parts of this distribution only within the terms of ?RCS: that same Artistic License; a copy of which may be found at the root ?RCS: of the source tree for dist 4.0. ?RCS: ?MAKE:d_uctx_mctx: Trylink cat i_ucontext i_sys_ucontext ?MAKE: -pick add $@ %< ?S:d_uctx_mctx: ?S: This variable conditionally defines the HAS_UCONTEXT_MCONTEXT symbol, ?S: which indicates to the C program that it can access general registers ?S: through some field in ucontext->uc_mcontext. ?S:. ?C:HAS_UCONTEXT_MCONTEXT: ?C: This symbol, if defined, indicates that the C program can access the ?C: processor's general registers through some field in the uc_mcontext ?C: machine context field from the ucontext_t structure. ?C:. ?H:#$d_uctx_mctx HAS_UCONTEXT_MCONTEXT /**/ ?H:. ?LINT:set d_uctx_mctx : check for machine context field in the ucontext structure $cat >try.c < #endif #ifdef I_SYS_UCONTEXT #include #endif int main(void) { static ucontext_t *uc = 0; return (int) &uc->uc_mcontext; } EOC cyn="whether 'struct ucontext' has a 'uc_mcontext' member" set d_uctx_mctx eval $trylink