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authorLudovic Courtès <ludo@gnu.org>2015-06-09 22:29:46 +0200
committerLudovic Courtès <ludo@gnu.org>2015-06-09 22:32:15 +0200
commitd0b62698c9bc55577ca7df9351c8f9afb2b52026 (patch)
treecb45a61c18ec5a5e0fd2f44a31da1d021f273779 /gnu/packages/gcc.scm
parent9063ef0f790ef3d3cd4f0594ec91b9326354ad3b (diff)
downloadpatches-d0b62698c9bc55577ca7df9351c8f9afb2b52026.tar
patches-d0b62698c9bc55577ca7df9351c8f9afb2b52026.tar.gz
gnu: gcc: Build libbacktrace without -Werror.
* gnu/packages/gcc.scm (gcc-4.7)[arguments] <pre-configure>: Remove -Werror from libbacktrace/configure.
Diffstat (limited to 'gnu/packages/gcc.scm')
-rw-r--r--gnu/packages/gcc.scm8
1 files changed, 8 insertions, 0 deletions
diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index e10d45d80e..48ef72933d 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>.