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04/04: gnu: gcc: Build libbacktrace without -Werror.
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From: |
Ludovic Court�s |
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Subject: |
04/04: gnu: gcc: Build libbacktrace without -Werror. |
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Date: |
Tue, 09 Jun 2015 20:32:35 +0000 |
civodul pushed a commit to branch core-updates
in repository guix.
commit d0b62698c9bc55577ca7df9351c8f9afb2b52026
Author: Ludovic Courtès <address@hidden>
Date: Tue Jun 9 22:29:46 2015 +0200
gnu: gcc: Build libbacktrace without -Werror.
* gnu/packages/gcc.scm (gcc-4.7)[arguments] <pre-configure>: Remove -Werror
from libbacktrace/configure.
---
gnu/packages/gcc.scm | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index e10d45d..48ef729 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -240,6 +240,14 @@ where the OS part is overloaded to denote a specific
ABI---into GCC
(("static char const sed_cmd_z\\[\\] =.*;")
"static char const sed_cmd_z[] = \"sed\";"))
+ (when (file-exists? "libbacktrace")
+ ;; GCC 4.8+ comes with libbacktrace. By default it builds
+ ;; with -Werror, which fails with a -Wcast-qual error in glibc
+ ;; 2.21's stdlib-bsearch.h. Remove -Werror.
+ (substitute* "libbacktrace/configure"
+ (("WARN_FLAGS=(.*)-Werror" _ flags)
+ (string-append "WARN_FLAGS=" flags))))
+
;; Add a RUNPATH to libstdc++.so so that it finds libgcc_s.
;; See <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32354>
;; and <http://bugs.gnu.org/20358>.