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authorAldy Hernandez <aldyh@redhat.com>2012-12-18 16:21:57 +0000
committerAldy Hernandez <aldyh@gcc.gnu.org>2012-12-18 16:21:57 +0000
commit2b4212d5b9263908126e782e9a58b7933dd8dc9d (patch)
treeec8b4511a117413ed28ce522f6ff7d8794a44481
parente492fb921df0a09ad6a709066f122147e5b6c9ae (diff)
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re PR other/54324 (GCC install document does not list minimum required g++ version)
PR other/54324 * doc/install.texi (Tools/packages necessary for building GCC): Suggest --disable-stage1-checking for older GCC's. From-SVN: r194586
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/doc/install.texi5
2 files changed, 11 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 70d3ee5..5d5c97d 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,12 @@
2012-12-18 Aldy Hernandez <aldyh@redhat.com>
PR other/54324
+ * doc/install.texi (Tools/packages necessary for building GCC):
+ Suggest --disable-stage1-checking for older GCC's.
+
+2012-12-18 Aldy Hernandez <aldyh@redhat.com>
+
+ PR other/54324
* tree-ssa-coalesce.c (struct ssa_name_var_hash): Remove "union"
from template parameter.
diff --git a/gcc/doc/install.texi b/gcc/doc/install.texi
index e534216..8273a87 100644
--- a/gcc/doc/install.texi
+++ b/gcc/doc/install.texi
@@ -254,6 +254,11 @@ To build all languages in a cross-compiler or other configuration where
GCC binary (version 3.4 or later) because source code for language
frontends other than C might use GCC extensions.
+Note that to bootstrap GCC with versions of GCC earlier than 3.4, you
+may need to use @option{--disable-stage1-checking}, though
+bootstrapping the compiler with such earlier compilers is strongly
+discouraged.
+
@item GNAT
In order to build the Ada compiler (GNAT) you must already have GNAT