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gnu: gcc: Build libbacktrace without -Werror.

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* gnu/packages/gcc.scm (gcc-4.7)[arguments] <pre-configure>: Remove -Werror
  from libbacktrace/configure.
This commit is contained in:
Ludovic Courtès 2015-06-09 22:29:46 +02:00
parent 9063ef0f79
commit d0b62698c9
1 changed files with 8 additions and 0 deletions
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8
gnu/packages/gcc.scm
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@ -240,6 +240,14 @@ (define-public gcc-4.7
(("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>.