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gnu: gcc: Always link against libgcc_s.so.

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* gnu/packages/gcc.scm (gcc-4.7)[pre-configure]: Add snippet to #undef
  USE_LD_AS_NEEDED.
This commit is contained in:
Ludovic Courtès 2013-11-18 00:09:45 +01:00
parent 9ca8b5ac55
commit 65d3b7c31d
1 changed files with 12 additions and 0 deletions
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12
gnu/packages/gcc.scm
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@ -173,6 +173,18 @@ (define-public gcc-4.7
~a"
libc line))))
;; Use '-lgcc_s' rather than '--as-needed -lgcc_s', so that
;; libgcc_s.so is always found by those programs that use
;; 'pthread_cancel' (glibc dlopens libgcc_s.so when
;; pthread_cancel support is needed, but having it in the
;; application's RUNPATH isn't enough; see
;; <http://sourceware.org/ml/libc-help/2013-11/msg00023.html>.)
;; Also, "gcc_cv_ld_as_needed=no" as a configure flag doesn't
;; work.
(substitute* "gcc/gcc.c"
(("#ifndef USE_LD_AS_NEEDED.*$" line)
(string-append "#undef USE_LD_AS_NEEDED\n" line)))
;; Don't retain a dependency on the build-time sed.
(substitute* "fixincludes/fixincl.x"
(("static char const sed_cmd_z\\[\\] =.*;")