Enable using glibc post 2.8:

- retrieve tarballs from FTP/HTTP for glibc 2.7 and older
- checkout from CVS for glibc 2.8 and later
- add config options for glibc-2_8 and glibc-2_9

 /trunk/scripts/build/libc/glibc.sh |   50    39    11     0 ++++++++++++++++++++++++++++++++++----------
 /trunk/config/libc/glibc.in        |   49    49     0     0 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 88 insertions(+), 11 deletions(-)

2 files changed, 88 insertions, 11 deletions

diff --git a/config/libc/glibc.in b/config/libc/glibc.in
index 12c3192d..0f6f2d63 100644
--- a/config/libc/glibc.in
+++ b/config/libc/glibc.in
@@ -36,6 +36,16 @@ config LIBC_V_2_7
     bool
     prompt "2.7"
 
+config LIBC_V_2_8
+    bool
+    prompt "2_8"
+    select LIBC_GLIBC_2_8_or_later
+
+config LIBC_V_2_9
+    bool
+    prompt "2_9"
+    select LIBC_GLIBC_2_8_or_later
+
 # CT_INSERT_VERSION_ABOVE
 # Don't remove above line!
 
@@ -62,6 +72,45 @@ config LIBC_VERSION
     default "2.6" if LIBC_V_2_6
     default "2.6.1" if LIBC_V_2_6_1
     default "2.7" if LIBC_V_2_7
+    default "2_8" if LIBC_V_2_8
+    default "2_9" if LIBC_V_2_9
 # CT_INSERT_VERSION_STRING_ABOVE
 # Don't remove above line!
 
+config LIBC_GLIBC_2_8_or_later
+    bool
+    default n
+
+if LIBC_GLIBC_2_8_or_later
+
+config LIBC_GLIBC_latest_snapshot
+    bool
+    prompt "Use latest nightly snapshot"
+    default n
+    help
+      Say 'y' to use the latest nightly snapshot.
+      Not recommended, as the toolchain will not be reproducible.
+
+if ! LIBC_GLIBC_latest_snapshot
+
+comment "Using CVS checkout"
+
+config LIBC_GLIBC_CVS_date
+    string
+    prompt "checkout as of date"
+    default ""
+    help
+      The date, in ISO-8601 format, at which to check out the repository.
+
+#config LIBC_GLIBC_CVS_CHECKOUT
+#    bool
+#    prompt "checkout instead of export"
+#    default n
+#    help
+#      Use checkout rather than export, so that you can later update
+#      the sources.
+#      Not recommended, as the toolchain could be non-reproducible.
+
+endif # ! LIBC_GLIBC_latest_snapshot
+
+endif # LIBC_GLIBC_2_8_or_later
diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh
index e43d37bf..a39c3c36 100644
--- a/scripts/build/libc/glibc.sh
+++ b/scripts/build/libc/glibc.sh
@@ -4,23 +4,51 @@
 
 # Download glibc
 do_libc_get() {
+   local date
+
     # Ah! Not all GNU folks seem stupid. All glibc releases are in the same
     # directory. Good. Alas, there is no snapshot there. I'll deal with them
     # later on... :-/
-    CT_GetFile "${CT_LIBC_FILE}"                        \
-               {ftp,http}://ftp.gnu.org/gnu/glibc       \
-               ftp://gcc.gnu.org/pub/glibc/releases     \
-               ftp://gcc.gnu.org/pub/glibc/snapshots
-
-    # C library addons
-    for addon in $(do_libc_add_ons_list " "); do
-        # NPTL addon is not to be downloaded, in any case
-        [ "${addon}" = "nptl" ] && continue || true
-        CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" \
+    # Update: sadly, glibc folks do be stupid: they no longer build
+    # release tarballs as of glibc-2.8, hence forcing us to fetch
+    # from CVS (CVS! Don't those guys know the world of SCM has
+    # evolved since the dawn ages of CVS?) Sigh...
+    if [ "${CT_LIBC_GLIBC_2_8_or_later}" = "y" ]; then
+        # No release tarball available...
+        date="${CT_LIBC_GLIBC_CVS_date}"
+        CT_GetCVS "${CT_LIBC_FILE}"                                     \
+                  ":pserver:anoncvs@sources.redhat.com:/cvs/glibc"      \
+                  "libc"                                                \
+                  "glibc-${CT_LIBC_VERSION}-branch${date:+:}${date}"    \
+                  "${CT_LIBC_FILE}"
+
+        # C library addons
+        for addon in $(do_libc_add_ons_list " "); do
+            # NPTL addon is not to be downloaded, in any case
+            [ "${addon}" = "nptl" ] && continue || true
+            CT_GetCVS "glibc-${addon}-${CT_LIBC_VERSION}"                   \
+                      ":pserver:anoncvs@sources.redhat.com:/cvs/glibc"      \
+                      "${addon}"                                            \
+                      "glibc-${CT_LIBC_VERSION}-branch${date:+:}${date}"    \
+                      "glibc-${addon}-${CT_LIBC_VERSION}"
+        done
+    else
+        # Release tarballs are available
+        CT_GetFile "${CT_LIBC_FILE}"                        \
                    {ftp,http}://ftp.gnu.org/gnu/glibc       \
                    ftp://gcc.gnu.org/pub/glibc/releases     \
                    ftp://gcc.gnu.org/pub/glibc/snapshots
-    done
+
+        # C library addons
+        for addon in $(do_libc_add_ons_list " "); do
+            # NPTL addon is not to be downloaded, in any case
+            [ "${addon}" = "nptl" ] && continue || true
+            CT_GetFile "${CT_LIBC}-${addon}-${CT_LIBC_VERSION}" \
+                       {ftp,http}://ftp.gnu.org/gnu/glibc       \
+                       ftp://gcc.gnu.org/pub/glibc/releases     \
+                       ftp://gcc.gnu.org/pub/glibc/snapshots
+        done
+    fi
 
     return 0
 }