Call math_opt_barrier inside if

[thirdparty/glibc.git] / INSTALL

diff --git a/INSTALL b/INSTALL
index 8e13f2cef7ca6719781d237843c80de14faebed6..c70ea9f26f2a077dc06b7c62430ec523e17244c5 100644 (file)
--- a/INSTALL
+++ b/INSTALL
@@ -127,6 +127,17 @@ will be used, and CFLAGS sets optimization options for the compiler.
      library.  This option hardcodes the newly built C library path in
      dynamic tests so that they can be invoked directly.
 
+'--disable-timezone-tools'
+     By default, timezone related utilities ('zic', 'zdump', and
+     'tzselect') are installed with the GNU C Library.  If you are
+     building these independently (e.g.  by using the 'tzcode' package),
+     then this option will allow disabling the install of these.
+
+     Note that you need to make sure the external tools are kept in sync
+     with the versions that the GNU C Library expects as the data
+     formats may change over time.  Consult the 'timezone' subdirectory
+     for more details.
+
 '--enable-lock-elision=yes'
      Enable lock elision for pthread mutexes by default.
 
@@ -295,11 +306,13 @@ headers from libraries other than the GNU C Library yourself after
 installing the library.
 
    You can install the GNU C Library somewhere other than where you
-configured it to go by setting the 'install_root' variable on the
-command line for 'make install'.  The value of this variable is
+configured it to go by setting the 'DESTDIR' GNU standard make variable
+on the command line for 'make install'.  The value of this variable is
 prepended to all the paths for installation.  This is useful when
 setting up a chroot environment or preparing a binary distribution.  The
-directory should be specified with an absolute file name.
+directory should be specified with an absolute file name.  Installing
+with the 'prefix' and 'exec_prefix' GNU standard make variables set is
+not supported.
 
    The GNU C Library includes a daemon called 'nscd', which you may or
 may not want to run.  'nscd' caches name service lookups; it can
@@ -344,9 +357,9 @@ build the GNU C Library:
      recommend GNU 'make' version 3.79.  All earlier versions have
      severe bugs or lack features.
 
-   * GCC 4.6 or newer
+   * GCC 4.7 or newer
 
-     GCC 4.6 or higher is required.  In general it is recommended to use
+     GCC 4.7 or higher is required.  In general it is recommended to use
      the newest version of the compiler that is known to work for
      building the GNU C Library, as newer compilers usually produce
      better code.  As of release time, GCC 4.9.2 is the newest compiler