Mercurial > hg > octave-nkf > gnulib-hg
changeset 10273:90d8e4d99330
New module 'libsigsegv'.
author | Bruno Haible <bruno@clisp.org> |
---|---|
date | Mon, 14 Jul 2008 13:17:26 +0200 |
parents | bb8b340ce6ed |
children | d6a92bbabe6c |
files | ChangeLog MODULES.html.sh m4/libsigsegv.m4 modules/libsigsegv |
diffstat | 4 files changed, 98 insertions(+), 2 deletions(-) [+] |
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--- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,12 @@ +2008-07-14 Sam Steingold <sds@gnu.org> + Bruno Haible <bruno@clisp.org> + + New module libsigsegv. + * modules/libsigsegv: New file. + * m4/libsigsegv.m4: New file, from GNU clisp sigsegv.m4 with + modifications. + * MODULES.html.sh (Signal handling): New section. + 2008-07-14 Bruno Haible <bruno@clisp.org> * modules/unictype/ctype-* (Description): Add the word "function".
--- a/MODULES.html.sh +++ b/MODULES.html.sh @@ -2380,6 +2380,18 @@ func_module openmp func_end_table + element="Signal handling" + element=`printf "%s" "$element" | sed -e "$sed_lt" -e "$sed_gt"` + func_section_wrap posix_ext_signal + func_wrap H3 + func_echo "$element" + + func_begin_table + func_module c-stack + func_module libsigsegv + func_module sig2str + func_end_table + element="Internationalization functions" element=`printf "%s" "$element" | sed -e "$sed_lt" -e "$sed_gt"` func_section_wrap posix_ext_i18n @@ -2877,7 +2889,6 @@ func_module argz func_module byteswap func_module exitfail - func_module c-stack func_module error func_module extensions func_module getdomainname @@ -2891,7 +2902,6 @@ func_module quotearg func_module quote func_module readutmp - func_module sig2str func_module sysexits func_module verror func_module visibility
new file mode 100644 --- /dev/null +++ b/m4/libsigsegv.m4 @@ -0,0 +1,50 @@ +# libsigsegv.m4 serial 1 +dnl Copyright (C) 2002-2003, 2008 Free Software Foundation, Inc. +dnl This file is free software; the Free Software Foundation +dnl gives unlimited permission to copy and/or distribute it, +dnl with or without modifications, as long as this notice is preserved. + +dnl From Bruno Haible, Sam Steingold. + +AC_PREREQ(2.61) + +AC_DEFUN([gl_LIBSIGSEGV], +[ + dnl Prerequisites of AC_LIB_LINKFLAGS_BODY. + AC_REQUIRE([AC_LIB_PREPARE_PREFIX]) + AC_REQUIRE([AC_LIB_RPATH]) + + dnl Search for libsigsegv and define LIBSIGSEGV, LTLIBSIGSEGV and INCSIGSEGV + dnl accordingly. + AC_LIB_LINKFLAGS_BODY([sigsegv]) + + dnl Add $INCSIGSEGV to CPPFLAGS before performing the following checks, + dnl because if the user has installed libsigsegv and not disabled its use + dnl via --without-libsigsegv-prefix, he wants to use it. + gl_save_CPPFLAGS="$CPPFLAGS" + AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCSIGSEGV]) + + AC_CACHE_CHECK([for libsigsegv], gl_cv_lib_sigsegv, [ + gl_cv_lib_sigsegv="no, consider installing GNU libsigsegv" + gl_save_LIBS="$LIBS" + LIBS="$LIBS $LIBSIGSEGV" + AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <sigsegv.h>]], + [sigsegv_deinstall_handler();])], + [gl_cv_lib_sigsegv=yes]) + LIBS="$gl_save_LIBS" + ]) + if test "$gl_cv_lib_sigsegv" = yes; then + AC_DEFINE([HAVE_LIBSIGSEGV], 1, + [Define if you have the libsigsegv library.]) + AC_MSG_CHECKING([how to link with libsigsegv]) + AC_MSG_RESULT([$LIBSIGSEGV]) + else + dnl If $LIBSIGSEGV didn't lead to a usable library, we don't need + dnl $INCSIGSEGV either. + CPPFLAGS="$gl_save_CPPFLAGS" + LIBSIGSEGV= + LTLIBSIGSEGV= + fi + AC_SUBST(LIBSIGSEGV) + AC_SUBST(LTLIBSIGSEGV) +])
new file mode 100644 --- /dev/null +++ b/modules/libsigsegv @@ -0,0 +1,27 @@ +Description: +Handle page faults in user mode. + +Files: +m4/libsigsegv.m4 + +Depends-on: +havelib + +configure.ac: +gl_LIBSIGSEGV + +Makefile.am: + +Include: +#if HAVE_LIBSIGSEGV +# include <sigsegv.h> +#endif + +Link: +$(LTLIBSIGSEGV) when linking with libtool, $(LIBSIGSEGV) otherwise + +License: +GPL + +Maintainer: +Bruno Haible