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-rw-r--r--ChangeLog9
-rw-r--r--INSTALL4
-rw-r--r--NEWS6
-rwxr-xr-xconfigure2
-rw-r--r--configure.ac2
-rw-r--r--manual/install.texi4
6 files changed, 21 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog
index 20f69c9e38..55a10b8bc8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,12 @@
+2018-12-21 Joseph Myers <joseph@codesourcery.com>
+
+ [BZ #23993]
+ * configure.ac (libc_cv_compiler_ok): Require GCC 5 or later.
+ * configure: Regenerated.
+ * manual/install.texi (Tools for Compilation): Update minimum GCC
+ version.
+ * INSTALL: Regenerated.
+
2018-12-21 Istvan Kurucsai <pistukem@gmail.com>
* malloc/malloc.c (munmap_chunk): Verify chunk alignment.
diff --git a/INSTALL b/INSTALL
index 268b7d63fa..672eb40640 100644
--- a/INSTALL
+++ b/INSTALL
@@ -459,9 +459,9 @@ build the GNU C Library:
As of relase time, GNU 'make' 4.2.1 is the newest verified to work
to build the GNU C Library.
- * GCC 4.9 or newer
+ * GCC 5 or newer
- GCC 4.9 or higher is required. In general it is recommended to use
+ GCC 5 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 8.1.1 is the newest compiler
diff --git a/NEWS b/NEWS
index 300e978de6..cd29ec7c81 100644
--- a/NEWS
+++ b/NEWS
@@ -72,6 +72,12 @@ Changes to build and runtime requirements:
* Python 3.4 or later is required to build the GNU C Library.
+* On most architectures, GCC 5 or later is required to build the GNU C
+ Library. (On powerpc64le, GCC 6.2 or later is still required, as before.)
+
+ Older GCC versions and non-GNU compilers are still supported when
+ compiling programs that use the GNU C Library.
+
Security related changes:
CVE-2018-19591: A file descriptor leak in if_nametoindex can lead to a
diff --git a/configure b/configure
index 535e2f62e0..101dfddf37 100755
--- a/configure
+++ b/configure
@@ -5119,7 +5119,7 @@ int
main ()
{
-#if !defined __GNUC__ || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 9)
+#if !defined __GNUC__ || __GNUC__ < 5
#error insufficient compiler
#endif
;
diff --git a/configure.ac b/configure.ac
index 6cc10ede98..46a74687a6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1017,7 +1017,7 @@ AC_CHECK_PROG_VER(BISON, bison, --version,
AC_CACHE_CHECK([if $CC is sufficient to build libc], libc_cv_compiler_ok, [
AC_TRY_COMPILE([], [
-#if !defined __GNUC__ || __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 9)
+#if !defined __GNUC__ || __GNUC__ < 5
#error insufficient compiler
#endif],
[libc_cv_compiler_ok=yes],
diff --git a/manual/install.texi b/manual/install.texi
index 67e1e10e91..2a87a2725a 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -499,9 +499,9 @@ As of relase time, GNU @code{make} 4.2.1 is the newest verified to work
to build @theglibc{}.
@item
-GCC 4.9 or newer
+GCC 5 or newer
-GCC 4.9 or higher is required. In general it is recommended to use
+GCC 5 or higher is required. In general it is recommended to use
the newest version of the compiler that is known to work for building
@theglibc{}, as newer compilers usually produce better code. As of
release time, GCC 8.1.1 is the newest compiler verified to work to build