From 910aa477e18a9ee218eea8a79b02a90b1303c07b Mon Sep 17 00:00:00 2001
From: Thomas Schwinge <thomas@schwinge.name>
Date: Tue, 6 Sep 2011 13:43:02 +0200
Subject: open_issues/gcc: Update.

---
 open_issues/gcc.mdwn | 53 ++++++++++++++++++++++++++++++++--------------------
 1 file changed, 33 insertions(+), 20 deletions(-)

(limited to 'open_issues/gcc.mdwn')

diff --git a/open_issues/gcc.mdwn b/open_issues/gcc.mdwn
index 45e1d2d0..b4cbef9e 100644
--- a/open_issues/gcc.mdwn
+++ b/open_issues/gcc.mdwn
@@ -64,11 +64,15 @@ testsuite.
 
         Looks OK.
 
+      * fe5ef4a01870545d0344e670cd528ad096ebab1d
+
+        OK.
+
 
 # Configuration
 
-Last reviewed up to the [[Git mirror's 6678cb4ef6c7d8d9232249b5d722a0d6dfd328b5
-(2011-07-22) sources|source_repositories/gcc]].
+Last reviewed up to the [[Git mirror's 3d83581faf4eaf52c1cf52cc0d11cc7dd1264275
+(2011-09-05) sources|source_repositories/gcc]].
 
 <http://gcc.gnu.org/install/configure.html> has documentation for the
 `configure` switches.
@@ -95,7 +99,7 @@ Last reviewed up to the [[Git mirror's 6678cb4ef6c7d8d9232249b5d722a0d6dfd328b5
   * [[`libmudflap`|libmudflap]].
 
   * Might [`-fsplit-stack`](http://nickclifton.livejournal.com/6889.html) be
-    worthwhile w.r.t. our multithreaded libraries?
+    worthwhile w.r.t. our [[multithreaded|multithreading]] libraries?
 
       * Also see `libgcc/config/i386/morestack.S`: comments w.r.t
         `TARGET_THREAD_SPLIT_STACK_OFFSET`; likely needs porting.
@@ -125,8 +129,6 @@ Last reviewed up to the [[Git mirror's 6678cb4ef6c7d8d9232249b5d722a0d6dfd328b5
 
   * `--enable-checking`
 
-  * `--enable-build-with-cxx`
-
   * `--enable-linker-build-id`
 
   * `--enable-gnu-unique-object`
@@ -174,23 +176,21 @@ Last reviewed up to the [[Git mirror's 6678cb4ef6c7d8d9232249b5d722a0d6dfd328b5
 # Build
 
 Here's a log of a GCC build run; this is from our [[Git repository's
-b48cd64b62cd380b88d03ca12064ddc8e9b9c939 (2011-09-01; 2011-07-20)
+93608b32ee627438dbe8a1844254bf8c305c5dc1 (2011-09-05)
 sources|source_repositories/gcc]], run on kepler.SCHWINGE and coulomb.SCHWINGE.
 
     $ export LC_ALL=C
     $ (cd ../master/ && contrib/gcc_update --touch)
     $ ../master/configure --prefix="$PWD".install SHELL=/bin/dash CC=gcc-4.6 CXX=g++-4.6 2>&1 | tee log_build
     [...]
-    $ LIBRARY_PATH=$(echo /usr/lib/i386*-gnu) make 2>&1 | tee log_build_
+    $ make 2>&1 | tee log_build_
     [...]
 
 Different hosts may default to different shells and compiler versions; thus
 harmonized.
 
-Setting `LIBRARY_PATH` is needed until [[!debbug 629819]] is resolved.
-
-This takes up around 2.8 GiB, and needs roughly 3 h on kepler.SCHWINGE, and 13
-h on coulomb.SCHWINGE.
+This takes up around 2.9 GiB, and needs roughly 2.75 h on kepler.SCHWINGE and
+13.25 h on coulomb.SCHWINGE.
 
 
 ## Analysis
@@ -249,6 +249,9 @@ h on coulomb.SCHWINGE.
         -cat ../../hurd/gcc/config/i386/pmm_malloc.h > mm_malloc.h
         +cat ../../hurd/gcc/config/i386/gmm_malloc.h > mm_malloc.h
 
+    Comes from `gcc/config.gcc`: `i386/t-pmm_malloc` vs. `i386/t-gmm_malloc`
+    for `i[34567]86-*-linux*` vs. `i[34567]86-*-*`.
+
   * *libgomp*
 
       * `libgomp/config/linux/`, `libgomp/config/linux/x86`
@@ -343,13 +346,11 @@ h on coulomb.SCHWINGE.
 
 # Install
 
-    $ LIBRARY_PATH=$(echo /usr/lib/i386*-gnu) make install 2>&1 | tee log_install
+    $ make install 2>&1 | tee log_install
     [...]
 
-Setting `LIBRARY_PATH` is needed until [[!debbug 629819]] is resolved.
-
-This takes up around 630 MiB, and needs roughly 4 min on kepler.SCHWINGE, and
-35 min on coulomb.SCHWINGE.
+This takes up around 630 MiB, and needs roughly 4 min on kepler.SCHWINGE and 35
+min on coulomb.SCHWINGE.
 
 
 ## Analysis
@@ -369,17 +370,29 @@ This takes up around 630 MiB, and needs roughly 4 min on kepler.SCHWINGE, and
 
 <http://gcc.gnu.org/install/test.html>
 
-    $ LIBRARY_PATH=$(echo /usr/lib/i386*-gnu) make -k check 2>&1 | tee log_check
+Testing on GNU/Hurd is blocked on
+[[fork_mach_port_mod_refs_ekern_urefs_owerflow]].
+
+    $ make -k check 2>&1 | tee log_check
     [...]
 
-Setting `LIBRARY_PATH` is needed until [[!debbug 629819]] is resolved.
+This needs roughly TODO min on kepler.SCHWINGE and TODO min on
+coulomb.SCHWINGE.
 
-Testing on GNU/Hurd is blocked on
-[[fork_mach_port_mod_refs_ekern_urefs_owerflow]].
+    $ ssh kepler.SCHWINGE 'cd tmp/source/gcc/ && sed < hurd/master.build/gcc/TODO -e "s%\(/media/data\)\?${PWD}%[...]%g"' > open_issues/gcc/sum_linux
+    $ ssh coulomb.SCHWINGE 'cd tmp/gcc/ && sed < hurd/master.build/gcc/TODO -e "s%\(/media/erich\)\?${PWD}%[...]%g"' > open_issues/gcc/sum_hurd
+
+Comparing the results files, [[sum_linux]] to [[sum_hurd]]:
+
+    $ diff -u -F ^Running open_issues/gcc/sum_linux open_issues/gcc/sum_hurd > open_issues/gcc/sum.diff
+
+[[open_issues/gcc/sum.diff]].
 
 
 ## Analysis
 
+TODO.
+
 
 # Specific Languages
 
-- 
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