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authorAndreas Jaeger <aj@suse.de>2001-05-11 16:48:44 +0000
committerAndreas Jaeger <aj@suse.de>2001-05-11 16:48:44 +0000
commit02eca23b081598bf87e5b55eaeb3610bdef53b65 (patch)
tree7d473b59d1eab373e97bf7f89eb3b3aa5eeae41a
parenta26e67d3f1db9bf9a49e9558473ec17037181dcc (diff)
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Update.
	* sysdeps/unix/sysv/linux/configure.in: Move binutils check to...
	* sysdeps/unix/sysv/linux/mips/configure.in: ...here.  New file.

2001-05-11  Andreas Jaeger  <aj@suse.de>
-rw-r--r--ChangeLog5
-rw-r--r--FAQ54
-rw-r--r--sysdeps/unix/sysv/linux/configure62
-rw-r--r--sysdeps/unix/sysv/linux/configure.in11
-rwxr-xr-xsysdeps/unix/sysv/linux/mips/configure59
-rw-r--r--sysdeps/unix/sysv/linux/mips/configure.in10
6 files changed, 101 insertions, 100 deletions
diff --git a/ChangeLog b/ChangeLog
index deb157bcd4..70af55c325 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,10 @@
 2001-05-11  Andreas Jaeger  <aj@suse.de>
 
+	* sysdeps/unix/sysv/linux/configure.in: Move binutils check to...
+	* sysdeps/unix/sysv/linux/mips/configure.in: ...here.  New file.
+
+2001-05-11  Andreas Jaeger  <aj@suse.de>
+
 	* sysdeps/unix/sysv/linux/configure.in: Check binutils version on
 	MIPS.
 
diff --git a/FAQ b/FAQ
index 1a21ffdaf4..4198a87966 100644
--- a/FAQ
+++ b/FAQ
@@ -560,11 +560,11 @@ newer.
 
 1.20.	Which tools should I use for MIPS?
 
-{AJ} You should use the current development version of gcc 2.97 from CVS.
-gcc 2.95.x does not work correctly on mips-linux.
+{AJ} You should use the current development version of gcc 3.0 or newer from
+CVS.  gcc 2.95.x does not work correctly on mips-linux.
 
-You need also recent binutils, anything before and including 2.10 will not
-work correctly.  Either try the Linux binutils 2.10.0.33 from HJ Lu or the
+You need also recent binutils, anything before and including 2.11 will not
+work correctly.  Either try the Linux binutils 2.11.90.0.5 from HJ Lu or the
 current development version of binutils from CVS.
 
 Please note that `make check' might fail for a number of the math tests
@@ -1862,29 +1862,29 @@ this should be necessary.
 supports synchronous context switches only.  There are several reasons for
 this:
 
- o UNIX provides no other (portable) way of effecting a synchronous
-   context switch (also known as co-routine switch).  Some versions
-   support this via setjmp()/longjmp() but this does not work
-   universally.
-
- o As defined by the UNIX '98 standard, the only way setcontext()
-   could trigger an asychronous context switch is if this function
-   were invoked on the ucontext_t pointer passed as the third argument
-   to a signal handler.  But according to draft 5, XPG6, XBD 2.4.3,
-   setcontext() is not among the set of routines that may be called
-   from a signal handler.
-
- o If setcontext() were to be used for asynchronous context switches,
-   all kinds of synchronization and re-entrancy issues could arise and
-   these problems have already been solved by real multi-threading
-   libraries (e.g., POSIX threads or Linux threads).
-
- o Synchronous context switching can be implemented entirely in
-   user-level and less state needs to be saved/restored than for an
-   asynchronous context switch.  It is therefore useful to distinguish
-   between the two types of context switches.  Indeed, some
-   application vendors are known to use setcontext() to implement
-   co-routines on top of normal (heavier-weight) pre-emptable threads.
+- UNIX provides no other (portable) way of effecting a synchronous
+  context switch (also known as co-routine switch).  Some versions
+  support this via setjmp()/longjmp() but this does not work
+  universally.
+
+- As defined by the UNIX '98 standard, the only way setcontext()
+  could trigger an asychronous context switch is if this function
+  were invoked on the ucontext_t pointer passed as the third argument
+  to a signal handler.  But according to draft 5, XPG6, XBD 2.4.3,
+  setcontext() is not among the set of routines that may be called
+  from a signal handler.
+
+- If setcontext() were to be used for asynchronous context switches,
+  all kinds of synchronization and re-entrancy issues could arise and
+  these problems have already been solved by real multi-threading
+  libraries (e.g., POSIX threads or Linux threads).
+
+- Synchronous context switching can be implemented entirely in
+  user-level and less state needs to be saved/restored than for an
+  asynchronous context switch.  It is therefore useful to distinguish
+  between the two types of context switches.  Indeed, some
+  application vendors are known to use setcontext() to implement
+  co-routines on top of normal (heavier-weight) pre-emptable threads.
 
 It should be noted that if someone was dead-bent on using setcontext()
 on the third arg of a signal handler, then IA-64 Linux could support
diff --git a/sysdeps/unix/sysv/linux/configure b/sysdeps/unix/sysv/linux/configure
index 04a2d1a37b..f852718906 100644
--- a/sysdeps/unix/sysv/linux/configure
+++ b/sysdeps/unix/sysv/linux/configure
@@ -224,65 +224,3 @@ ${ac_prefix}/include directory out of the way." 1>&2; exit 1; }
     echo "$ac_t""ok" 1>&6
   fi
 fi
-
-case "$machine" in
-  mips*)
-	for ac_prog in $AS
-do
-# Extract the first word of "$ac_prog", so it can be a program name with args.
-set dummy $ac_prog; ac_word=$2
-echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
-echo "configure:236: checking for $ac_word" >&5
-if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
-  echo $ac_n "(cached) $ac_c" 1>&6
-else
-  if test -n "$AS"; then
-  ac_cv_prog_AS="$AS" # Let the user override the test.
-else
-  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
-  ac_dummy="$PATH"
-  for ac_dir in $ac_dummy; do
-    test -z "$ac_dir" && ac_dir=.
-    if test -f $ac_dir/$ac_word; then
-      ac_cv_prog_AS="$ac_prog"
-      break
-    fi
-  done
-  IFS="$ac_save_ifs"
-fi
-fi
-AS="$ac_cv_prog_AS"
-if test -n "$AS"; then
-  echo "$ac_t""$AS" 1>&6
-else
-  echo "$ac_t""no" 1>&6
-fi
-
-test -n "$AS" && break
-done
-
-if test -z "$AS"; then
-  ac_verc_fail=yes
-else
-  # Found it, now check the version.
-  echo $ac_n "checking version of $AS""... $ac_c" 1>&6
-echo "configure:270: checking version of $AS" >&5
-  ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\(-ia64-[0-9]*\)*\).*$/\1/p'`
-  case $ac_prog_version in
-    '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
-    2.11.90.0.[5-9]* | 2.11.90.[1-9]* | 2.11.9[1-9]* | 2.11.[1-9]* | 2.1[2-9]*| 2.[2-9]*)
-       ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
-    *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
-
-  esac
-  echo "$ac_t""$ac_prog_version" 1>&6
-fi
-if test $ac_verc_fail = yes; then
-  echo "configure: warning: *** Your binutils versions are too old.  
-*** We strongly advise to update binutils.  For details check 
-*** the FAQ and INSTALL documents." 1>&2
-fi
-
-	;;
-esac
-s%@AS@%$AS%g
diff --git a/sysdeps/unix/sysv/linux/configure.in b/sysdeps/unix/sysv/linux/configure.in
index 7337b9d603..afe798218a 100644
--- a/sysdeps/unix/sysv/linux/configure.in
+++ b/sysdeps/unix/sysv/linux/configure.in
@@ -191,14 +191,3 @@ ${ac_prefix}/include directory out of the way.])
     AC_MSG_RESULT(ok)
   fi
 fi
-
-case "$machine" in
-  mips*)
-	AC_CHECK_PROG_VER(AS, $AS, --version,
-	  [GNU assembler.* \([0-9]*\.[0-9.]*\(-ia64-[0-9]*\)*\)],
-	  [2.11.90.0.[5-9]* | 2.11.90.[1-9]* | 2.11.9[1-9]* | 2.11.[1-9]* | 2.1[2-9]*| 2.[2-9]*], 
-	AC_MSG_WARN([*** Your binutils versions are too old.  
-*** We strongly advise to update binutils.  For details check 
-*** the FAQ and INSTALL documents.]))
-	;;
-esac
diff --git a/sysdeps/unix/sysv/linux/mips/configure b/sysdeps/unix/sysv/linux/mips/configure
new file mode 100755
index 0000000000..38a9374875
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/configure
@@ -0,0 +1,59 @@
+ # Local configure fragment for sysdeps/unix/sysv/linux/mips.
+
+for ac_prog in $AS
+do
+# Extract the first word of "$ac_prog", so it can be a program name with args.
+set dummy $ac_prog; ac_word=$2
+echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
+echo "configure:9: checking for $ac_word" >&5
+if eval "test \"`echo '$''{'ac_cv_prog_AS'+set}'`\" = set"; then
+  echo $ac_n "(cached) $ac_c" 1>&6
+else
+  if test -n "$AS"; then
+  ac_cv_prog_AS="$AS" # Let the user override the test.
+else
+  IFS="${IFS= 	}"; ac_save_ifs="$IFS"; IFS=":"
+  ac_dummy="$PATH"
+  for ac_dir in $ac_dummy; do
+    test -z "$ac_dir" && ac_dir=.
+    if test -f $ac_dir/$ac_word; then
+      ac_cv_prog_AS="$ac_prog"
+      break
+    fi
+  done
+  IFS="$ac_save_ifs"
+fi
+fi
+AS="$ac_cv_prog_AS"
+if test -n "$AS"; then
+  echo "$ac_t""$AS" 1>&6
+else
+  echo "$ac_t""no" 1>&6
+fi
+
+test -n "$AS" && break
+done
+
+if test -z "$AS"; then
+  ac_verc_fail=yes
+else
+  # Found it, now check the version.
+  echo $ac_n "checking version of $AS""... $ac_c" 1>&6
+echo "configure:43: checking version of $AS" >&5
+  ac_prog_version=`$AS --version 2>&1 | sed -n 's/^.*GNU assembler.* \([0-9]*\.[0-9.]*\(-ia64-[0-9]*\)*\).*$/\1/p'`
+  case $ac_prog_version in
+    '') ac_prog_version="v. ?.??, bad"; ac_verc_fail=yes;;
+    2.11.90.0.[5-9]* | 2.11.90.[1-9]* | 2.11.9[1-9]* | 2.11.[1-9]* | 2.1[2-9]*| 2.[2-9]*)
+       ac_prog_version="$ac_prog_version, ok"; ac_verc_fail=no;;
+    *) ac_prog_version="$ac_prog_version, bad"; ac_verc_fail=yes;;
+
+  esac
+  echo "$ac_t""$ac_prog_version" 1>&6
+fi
+if test $ac_verc_fail = yes; then
+  echo "configure: warning: *** Your binutils versions are too old.  
+*** We strongly advise to update binutils.  For details check 
+*** the FAQ and INSTALL documents." 1>&2
+fi
+
+s%@AS@%$AS%g
diff --git a/sysdeps/unix/sysv/linux/mips/configure.in b/sysdeps/unix/sysv/linux/mips/configure.in
new file mode 100644
index 0000000000..e5c301db48
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/mips/configure.in
@@ -0,0 +1,10 @@
+sinclude(./aclocal.m4)dnl Autoconf lossage
+GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
+# Local configure fragment for sysdeps/unix/sysv/linux/mips.
+
+AC_CHECK_PROG_VER(AS, $AS, --version,
+  [GNU assembler.* \([0-9]*\.[0-9.]*\(-ia64-[0-9]*\)*\)],
+  [2.11.90.0.[5-9]* | 2.11.90.[1-9]* | 2.11.9[1-9]* | 2.11.[1-9]* | 2.1[2-9]*| 2.[2-9]*], 
+AC_MSG_WARN([*** Your binutils versions are too old.  
+*** We strongly advise to update binutils.  For details check 
+*** the FAQ and INSTALL documents.]))