02/11: gnu: gcc: Use _FILE_OFFSET_BITS=64 for libstdc++-v3.

[guix-commits]

dannym pushed a commit to branch wip-file-offset-bits-64
in repository guix.

commit 024bd3e37ee51f48d590c3ddd7bfacf04385295e
Author: Danny Milosavljevic <dannym@scratchpost.org>
AuthorDate: Mon Sep 28 00:47:13 2020 +0200

    gnu: gcc: Use _FILE_OFFSET_BITS=64 for libstdc++-v3.
    
    * gnu/packages/patches/gcc-7-dir-file-offsets64.patch: New file.
    * gnu/local.mk (dist_patch_DATA): Add it.
    * gnu/packages/gcc.scm (gcc-7)[source]: Add it.
---
 gnu/local.mk                                        |  1 +
 gnu/packages/gcc.scm                                |  3 ++-
 gnu/packages/patches/gcc-7-dir-file-offsets64.patch | 10 ++++++++++
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/gnu/local.mk b/gnu/local.mk
index 8c93e19..33f1b85 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -995,6 +995,7 @@ dist_patch_DATA =                                           
\
   %D%/packages/patches/gcc-libsanitizer-ustat.patch            \
   %D%/packages/patches/gcc-4.9-libsanitizer-mode-size.patch    \
   %D%/packages/patches/gcc-6-libsanitizer-mode-size.patch      \
+  %D%/packages/patches/gcc-7-dir-file-offsets64.patch          \
   %D%/packages/patches/gcc-7-libsanitizer-mode-size.patch      \
   %D%/packages/patches/gcc-libvtv-runpath.patch                        \
   %D%/packages/patches/gcc-strmov-store-file-names.patch       \
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 4d5aaa7..b90b536 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -536,7 +536,8 @@ Go.  It also includes runtime support libraries for these 
languages.")
                 "0qg6kqc5l72hpnj4vr6l0p69qav0rh4anlkk3y55540zy3klc6dq"))
               (patches (search-patches "gcc-strmov-store-file-names.patch"
                                        "gcc-7-libsanitizer-mode-size.patch"
-                                       "gcc-5.0-libvtv-runpath.patch"))))
+                                       "gcc-5.0-libvtv-runpath.patch"
+                                       "gcc-7-dir-file-offsets64.patch"))))
     (description
      "GCC is the GNU Compiler Collection.  It provides compiler front-ends
 for several languages, including C, C++, Objective-C, Fortran, Ada, and Go.
diff --git a/gnu/packages/patches/gcc-7-dir-file-offsets64.patch 
b/gnu/packages/patches/gcc-7-dir-file-offsets64.patch
new file mode 100644
index 0000000..be8f904
--- /dev/null
+++ b/gnu/packages/patches/gcc-7-dir-file-offsets64.patch
@@ -0,0 +1,10 @@
+--- orig/gcc-7.5.0/libstdc++-v3/src/filesystem/dir.cc  1970-01-01 
01:00:01.000000000 +0100
++++ gcc-7.5.0/libstdc++-v3/src/filesystem/dir.cc       2020-09-27 
15:26:33.014813146 +0200
+@@ -25,6 +25,7 @@
+ #ifndef _GLIBCXX_USE_CXX11_ABI
+ # define _GLIBCXX_USE_CXX11_ABI 1
+ #endif
++#define _FILE_OFFSET_BITS 64
+ 
+ #include <experimental/filesystem>
+ #include <utility>