diff --git a/ChangeLog b/ChangeLog
index 292d11db0b..148e9fba61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2019-02-01  Joseph Myers  <joseph@codesourcery.com>
+
+	* configure.ac (libc_cv_compiler_ok): Require GCC 6.2 or later.
+	* configure: Regenerated.
+	* manual/install.texi (Tools for Compilation): Update minimum GCC
+	version.
+	* INSTALL: Regenerated.
+
 2019-02-01  Florian Weimer  <fweimer@redhat.com>
 
 	* support/support_test_compare_string.c
diff --git a/INSTALL b/INSTALL
index a24ffcc722..ddb9e9018d 100644
--- a/INSTALL
+++ b/INSTALL
@@ -459,19 +459,14 @@ 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 5 or newer
+   * GCC 6.2 or newer
 
-     GCC 5 or higher is required.  In general it is recommended to use
+     GCC 6.2 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 8.2.1 is the newest compiler
      verified to work to build the GNU C Library.
 
-     For PowerPC 64-bits little-endian (powerpc64le), GCC 6.2 or higher
-     is required.  This compiler version is the first to provide the
-     features required for building the GNU C Library with support for
-     '_Float128'.
-
      For multi-arch support it is recommended to use a GCC which has
      been built with support for GNU indirect functions.  This ensures
      that correct debugging information is generated for functions
diff --git a/NEWS b/NEWS
index 38ffd10c09..5cf568aed9 100644
--- a/NEWS
+++ b/NEWS
@@ -17,7 +17,10 @@ Deprecated and removed features, and other changes affecting compatibility:
 
 Changes to build and runtime requirements:
 
-  [Add changes to build and runtime requirements here]
+* GCC 6.2 or later is required to build the GNU C Library.
+
+  Older GCC versions and non-GNU compilers are still supported when
+  compiling programs that use the GNU C Library.
 
 Security related changes:
 
diff --git a/configure b/configure
index 101dfddf37..2643db9fb7 100755
--- a/configure
+++ b/configure
@@ -5119,7 +5119,7 @@ int
 main ()
 {
 
-#if !defined __GNUC__ || __GNUC__ < 5
+#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)
 #error insufficient compiler
 #endif
   ;
diff --git a/configure.ac b/configure.ac
index 46a74687a6..ad50e290d4 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__ < 5
+#if !defined __GNUC__ || __GNUC__ < 6 || (__GNUC__ == 6 && __GNUC_MINOR__ < 2)
 #error insufficient compiler
 #endif],
 	       [libc_cv_compiler_ok=yes],
diff --git a/manual/install.texi b/manual/install.texi
index 2cfa38772e..a9b8b4974c 100644
--- a/manual/install.texi
+++ b/manual/install.texi
@@ -499,18 +499,14 @@ As of relase time, GNU @code{make} 4.2.1 is the newest verified to work
 to build @theglibc{}.
 
 @item
-GCC 5 or newer
+GCC 6.2 or newer
 
-GCC 5 or higher is required.  In general it is recommended to use
+GCC 6.2 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 8.2.1 is the newest compiler verified to work to build
 @theglibc{}.
 
-For PowerPC 64-bits little-endian (powerpc64le), GCC 6.2 or higher is
-required.  This compiler version is the first to provide the features
-required for building @theglibc{} with support for @code{_Float128}.
-
 For multi-arch support it is recommended to use a GCC which has been built with
 support for GNU indirect functions.  This ensures that correct debugging
 information is generated for functions selected by IFUNC resolvers.  This