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authorAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-01-23 22:38:00 +0000
committerAkira Kakuto <kakuto@fuk.kindai.ac.jp>2016-01-23 22:38:00 +0000
commitfaa5f31c4901212372d2dcf7080d9f0a23d5f195 (patch)
treecda02ce149a95cfa5d20f01943eceae7ff256b7b /Build/source/texk/gregorio/gregorio-src/m4
parent21d19604dc80efef1747f4a048c9dae5e8e810b1 (diff)
gregorio 4.1.0-beta1
git-svn-id: svn://tug.org/texlive/trunk@39470 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/gregorio/gregorio-src/m4')
-rw-r--r--Build/source/texk/gregorio/gregorio-src/m4/canonicalize.m4124
-rw-r--r--Build/source/texk/gregorio/gregorio-src/m4/nocrash.m4130
2 files changed, 254 insertions, 0 deletions
diff --git a/Build/source/texk/gregorio/gregorio-src/m4/canonicalize.m4 b/Build/source/texk/gregorio/gregorio-src/m4/canonicalize.m4
new file mode 100644
index 00000000000..d8f52830026
--- /dev/null
+++ b/Build/source/texk/gregorio/gregorio-src/m4/canonicalize.m4
@@ -0,0 +1,124 @@
+# canonicalize.m4 serial 26
+
+dnl Copyright (C) 2003-2007, 2009-2016 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.
+
+# Provides canonicalize_file_name and canonicalize_filename_mode, but does
+# not provide or fix realpath.
+AC_DEFUN([gl_FUNC_CANONICALIZE_FILENAME_MODE],
+[
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_FUNCS_ONCE([canonicalize_file_name])
+ AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
+ AC_REQUIRE([gl_FUNC_REALPATH_WORKS])
+ if test $ac_cv_func_canonicalize_file_name = no; then
+ HAVE_CANONICALIZE_FILE_NAME=0
+ else
+ case "$gl_cv_func_realpath_works" in
+ *yes) ;;
+ *) REPLACE_CANONICALIZE_FILE_NAME=1 ;;
+ esac
+ fi
+])
+
+# Provides canonicalize_file_name and realpath.
+AC_DEFUN([gl_CANONICALIZE_LGPL],
+[
+ AC_REQUIRE([gl_STDLIB_H_DEFAULTS])
+ AC_REQUIRE([gl_CANONICALIZE_LGPL_SEPARATE])
+ if test $ac_cv_func_canonicalize_file_name = no; then
+ HAVE_CANONICALIZE_FILE_NAME=0
+ if test $ac_cv_func_realpath = no; then
+ HAVE_REALPATH=0
+ else
+ case "$gl_cv_func_realpath_works" in
+ *yes) ;;
+ *) REPLACE_REALPATH=1 ;;
+ esac
+ fi
+ else
+ case "$gl_cv_func_realpath_works" in
+ *yes)
+ ;;
+ *)
+ REPLACE_CANONICALIZE_FILE_NAME=1
+ REPLACE_REALPATH=1
+ ;;
+ esac
+ fi
+])
+
+# Like gl_CANONICALIZE_LGPL, except prepare for separate compilation
+# (no REPLACE_CANONICALIZE_FILE_NAME, no REPLACE_REALPATH, no AC_LIBOBJ).
+AC_DEFUN([gl_CANONICALIZE_LGPL_SEPARATE],
+[
+ AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS])
+ AC_CHECK_FUNCS_ONCE([canonicalize_file_name getcwd readlink])
+ AC_REQUIRE([gl_DOUBLE_SLASH_ROOT])
+ AC_REQUIRE([gl_FUNC_REALPATH_WORKS])
+ AC_CHECK_HEADERS_ONCE([sys/param.h])
+])
+
+# Check whether realpath works. Assume that if a platform has both
+# realpath and canonicalize_file_name, but the former is broken, then
+# so is the latter.
+AC_DEFUN([gl_FUNC_REALPATH_WORKS],
+[
+ AC_CHECK_FUNCS_ONCE([realpath])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_CACHE_CHECK([whether realpath works], [gl_cv_func_realpath_works], [
+ touch conftest.a
+ mkdir conftest.d
+ AC_RUN_IFELSE([
+ AC_LANG_PROGRAM([[
+ ]GL_NOCRASH[
+ #include <stdlib.h>
+ #include <string.h>
+ ]], [[
+ int result = 0;
+ {
+ char *name = realpath ("conftest.a", NULL);
+ if (!(name && *name == '/'))
+ result |= 1;
+ }
+ {
+ char *name = realpath ("conftest.b/../conftest.a", NULL);
+ if (name != NULL)
+ result |= 2;
+ }
+ {
+ char *name = realpath ("conftest.a/", NULL);
+ if (name != NULL)
+ result |= 4;
+ }
+ {
+ char *name1 = realpath (".", NULL);
+ char *name2 = realpath ("conftest.d//./..", NULL);
+ if (strcmp (name1, name2) != 0)
+ result |= 8;
+ }
+ return result;
+ ]])
+ ],
+ [gl_cv_func_realpath_works=yes],
+ [gl_cv_func_realpath_works=no],
+ [case "$host_os" in
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_realpath_works="guessing yes" ;;
+ # If we don't know, assume the worst.
+ *) gl_cv_func_realpath_works="guessing no" ;;
+ esac
+ ])
+ rm -rf conftest.a conftest.d
+ ])
+ case "$gl_cv_func_realpath_works" in
+ *yes)
+ AC_DEFINE([FUNC_REALPATH_WORKS], [1], [Define to 1 if realpath()
+ can malloc memory, always gives an absolute path, and handles
+ trailing slash correctly.])
+ ;;
+ esac
+])
diff --git a/Build/source/texk/gregorio/gregorio-src/m4/nocrash.m4 b/Build/source/texk/gregorio/gregorio-src/m4/nocrash.m4
new file mode 100644
index 00000000000..ecc55c6172d
--- /dev/null
+++ b/Build/source/texk/gregorio/gregorio-src/m4/nocrash.m4
@@ -0,0 +1,130 @@
+# nocrash.m4 serial 4
+dnl Copyright (C) 2005, 2009-2016 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 Based on libsigsegv, from Bruno Haible and Paolo Bonzini.
+
+AC_PREREQ([2.13])
+
+dnl Expands to some code for use in .c programs that will cause the configure
+dnl test to exit instead of crashing. This is useful to avoid triggering
+dnl action from a background debugger and to avoid core dumps.
+dnl Usage: ...
+dnl ]GL_NOCRASH[
+dnl ...
+dnl int main() { nocrash_init(); ... }
+AC_DEFUN([GL_NOCRASH],[[
+#include <stdlib.h>
+#if defined __MACH__ && defined __APPLE__
+/* Avoid a crash on Mac OS X. */
+#include <mach/mach.h>
+#include <mach/mach_error.h>
+#include <mach/thread_status.h>
+#include <mach/exception.h>
+#include <mach/task.h>
+#include <pthread.h>
+/* The exception port on which our thread listens. */
+static mach_port_t our_exception_port;
+/* The main function of the thread listening for exceptions of type
+ EXC_BAD_ACCESS. */
+static void *
+mach_exception_thread (void *arg)
+{
+ /* Buffer for a message to be received. */
+ struct {
+ mach_msg_header_t head;
+ mach_msg_body_t msgh_body;
+ char data[1024];
+ } msg;
+ mach_msg_return_t retval;
+ /* Wait for a message on the exception port. */
+ retval = mach_msg (&msg.head, MACH_RCV_MSG | MACH_RCV_LARGE, 0, sizeof (msg),
+ our_exception_port, MACH_MSG_TIMEOUT_NONE, MACH_PORT_NULL);
+ if (retval != MACH_MSG_SUCCESS)
+ abort ();
+ exit (1);
+}
+static void
+nocrash_init (void)
+{
+ mach_port_t self = mach_task_self ();
+ /* Allocate a port on which the thread shall listen for exceptions. */
+ if (mach_port_allocate (self, MACH_PORT_RIGHT_RECEIVE, &our_exception_port)
+ == KERN_SUCCESS) {
+ /* See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/mach_port_insert_right.html. */
+ if (mach_port_insert_right (self, our_exception_port, our_exception_port,
+ MACH_MSG_TYPE_MAKE_SEND)
+ == KERN_SUCCESS) {
+ /* The exceptions we want to catch. Only EXC_BAD_ACCESS is interesting
+ for us. */
+ exception_mask_t mask = EXC_MASK_BAD_ACCESS;
+ /* Create the thread listening on the exception port. */
+ pthread_attr_t attr;
+ pthread_t thread;
+ if (pthread_attr_init (&attr) == 0
+ && pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED) == 0
+ && pthread_create (&thread, &attr, mach_exception_thread, NULL) == 0) {
+ pthread_attr_destroy (&attr);
+ /* Replace the exception port info for these exceptions with our own.
+ Note that we replace the exception port for the entire task, not only
+ for a particular thread. This has the effect that when our exception
+ port gets the message, the thread specific exception port has already
+ been asked, and we don't need to bother about it.
+ See http://web.mit.edu/darwin/src/modules/xnu/osfmk/man/task_set_exception_ports.html. */
+ task_set_exception_ports (self, mask, our_exception_port,
+ EXCEPTION_DEFAULT, MACHINE_THREAD_STATE);
+ }
+ }
+ }
+}
+#elif (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
+/* Avoid a crash on native Windows. */
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <winerror.h>
+static LONG WINAPI
+exception_filter (EXCEPTION_POINTERS *ExceptionInfo)
+{
+ switch (ExceptionInfo->ExceptionRecord->ExceptionCode)
+ {
+ case EXCEPTION_ACCESS_VIOLATION:
+ case EXCEPTION_IN_PAGE_ERROR:
+ case EXCEPTION_STACK_OVERFLOW:
+ case EXCEPTION_GUARD_PAGE:
+ case EXCEPTION_PRIV_INSTRUCTION:
+ case EXCEPTION_ILLEGAL_INSTRUCTION:
+ case EXCEPTION_DATATYPE_MISALIGNMENT:
+ case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+ case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+ exit (1);
+ }
+ return EXCEPTION_CONTINUE_SEARCH;
+}
+static void
+nocrash_init (void)
+{
+ SetUnhandledExceptionFilter ((LPTOP_LEVEL_EXCEPTION_FILTER) exception_filter);
+}
+#else
+/* Avoid a crash on POSIX systems. */
+#include <signal.h>
+/* A POSIX signal handler. */
+static void
+exception_handler (int sig)
+{
+ exit (1);
+}
+static void
+nocrash_init (void)
+{
+#ifdef SIGSEGV
+ signal (SIGSEGV, exception_handler);
+#endif
+#ifdef SIGBUS
+ signal (SIGBUS, exception_handler);
+#endif
+}
+#endif
+]])