check.c (gfc_check_alarm_sub, [...]): New functions.
* check.c (gfc_check_alarm_sub, gfc_check_signal,
gfc_check_signal_sub): New functions.
* gfortran.h (gfc_generic_isym_id): Add GFC_ISYM_SIGNAL.
* intrinsic.c (add_functions): Add signal intrinsic.
(add_subroutines): Add signal and alarm intrinsics.
* intrinsic.texi: Document the new intrinsics.
* iresolve.c (gfc_resolve_signal, gfc_resolve_alarm_sub,
gfc_resolve_signal_sub): New functions.
* trans-intrinsic.c (gfc_conv_intrinsic_function): Add case
for GFC_ISYM_SIGNAL.
* intrinsic.h: Add prototypes for gfc_check_alarm_sub,
gfc_check_signal, gfc_check_signal_sub, gfc_resolve_signal,
gfc_resolve_alarm_sub, gfc_resolve_signal_sub.
* Makefile.am (intrinsics): Add signal.c.
* Makefile.in: Regenerate.
* configure.ac: Checks for signal and alarm.
* config.h.in: Regenerate.
* configure: Regenerate.
* intrinsics/signal.c: New file for SIGNAL and ALARM intrinsics.
From-SVN: r105967
185d7d9750