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36/376: Fix compilation error on some versions of GCC


From: Ludovic Courtès
Subject: 36/376: Fix compilation error on some versions of GCC
Date: Wed, 28 Jan 2015 22:03:52 +0000

civodul pushed a commit to tag 1.8
in repository guix.

commit 0e5d0c15430cf82861a1ae213cbccff065f71107
Author: Eelco Dolstra <address@hidden>
Date:   Wed Jul 9 12:14:40 2014 +0200

    Fix compilation error on some versions of GCC
    
    src/libexpr/primops.cc:42:8: error: looser throw specifier for 'virtual 
nix::InvalidPathError::~InvalidPathError()'
    src/libexpr/nixexpr.hh:12:1: error:   overriding 'virtual 
nix::EvalError::~EvalError() noexcept (true)'
    
    http://hydra.nixos.org/build/12385750
---
 src/libexpr/primops.cc |    1 +
 src/libutil/types.hh   |    4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc
index 01c7ca4..543266b 100644
--- a/src/libexpr/primops.cc
+++ b/src/libexpr/primops.cc
@@ -44,6 +44,7 @@ struct InvalidPathError : EvalError
     Path path;
     InvalidPathError(const Path & path) :
         EvalError(format("path `%1%' is not valid") % path), path(path) {};
+    ~InvalidPathError() throw () { };
 };
 
 
diff --git a/src/libutil/types.hh b/src/libutil/types.hh
index 4b5ce9a..906a959 100644
--- a/src/libutil/types.hh
+++ b/src/libutil/types.hh
@@ -41,8 +41,8 @@ public:
     BaseError(const FormatOrString & fs, unsigned int status = 1);
     ~BaseError() throw () { };
     const char * what() const throw () { return err.c_str(); }
-    const string & msg() const throw () { return err; }
-    const string & prefix() const throw () { return prefix_; }
+    const string & msg() const { return err; }
+    const string & prefix() const { return prefix_; }
     BaseError & addPrefix(const FormatOrString & fs);
 };
 



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