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authorFlorian Weimer <fweimer@redhat.com>2017-04-19 07:44:48 +0200
committerFlorian Weimer <fweimer@redhat.com>2017-04-19 07:44:48 +0200
commite92030239abb4038d4f915d47021d6c037239309 (patch)
tree1c8c4877f35df78b7441a5736d8551b9b4877231 /INSTALL
parent62f71aad7e0d9df95578846134f1738ddf0e7844 (diff)
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Assume that accept4 is always available and works
Simplify the Linux accept4 implementation based on the assumption that it is available in some way. __ASSUME_ACCEPT4_SOCKETCALL was previously unused, so remove it. For ia64, the accept4 system call (and socket call) were backported in kernel version 3.2.18. Reflect this in the installation instructions.
Diffstat (limited to 'INSTALL')
-rw-r--r--INSTALL16
1 files changed, 9 insertions, 7 deletions
diff --git a/INSTALL b/INSTALL
index 60f714e..920c4df 100644
--- a/INSTALL
+++ b/INSTALL
@@ -501,13 +501,15 @@ Specific advice for GNU/Linux systems
If you are installing the GNU C Library on GNU/Linux systems, you need
to have the header files from a 3.2 or newer kernel around for
-reference. These headers must be installed using 'make
-headers_install'; the headers present in the kernel source directory are
-not suitable for direct use by the GNU C Library. You do not need to
-use that kernel, just have its headers installed where the GNU C Library
-can access them, referred to here as INSTALL-DIRECTORY. The easiest way
-to do this is to unpack it in a directory such as
-'/usr/src/linux-VERSION'. In that directory, run 'make headers_install
+reference. (For the ia64 architecture, you need version 3.2.18 or newer
+because this is the first version with support for the 'accept4' system
+call.) These headers must be installed using 'make headers_install';
+the headers present in the kernel source directory are not suitable for
+direct use by the GNU C Library. You do not need to use that kernel,
+just have its headers installed where the GNU C Library can access them,
+referred to here as INSTALL-DIRECTORY. The easiest way to do this is to
+unpack it in a directory such as '/usr/src/linux-VERSION'. In that
+directory, run 'make headers_install
INSTALL_HDR_PATH=INSTALL-DIRECTORY'. Finally, configure the GNU C
Library with the option '--with-headers=INSTALL-DIRECTORY/include'. Use
the most recent kernel you can get your hands on. (If you are