http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60987
Bug ID: 60987
Summary: libstdc++ header file tr1/regex causes clang++
compilation error
Product: gcc
Version: 4.10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: bergner at gcc dot gnu.org
It seems clang++ is more pedantic on the syntax it accepts for initializing
arrays of strings. The tr1/regex header file (gcc 4.6 thru trunk) contains an
array initialization that clang++ doesn't accept, but g++ does:
bergner@bns:~> cat bug.cc
#include <tr1/regex>
bergner@bns:~> /home/bergner/llvm/llvm-install/bin/clang++ -c bug.cc
In file included from bug.cc:1:
/home/bergner/gcc/install/gcc-fsf-mainline-build/include/c++/4.10.0/tr1:685:24:
error: array
initializer must be an initializer list
const char* const __wb[] = "w";
^
/home/bergner/gcc/install/gcc-fsf-mainline-build/include/c++/4.10.0/tr1:695:24:
error: array
initializer must be an initializer list
const char* const __bb[] = "blank";
^
2 errors generated.
The following patch is enough to quiet the clang++ error messages:
Index: libstdc++-v3/include/tr1/regex
===================================================================
--- libstdc++-v3/include/tr1/regex (revision 209382)
+++ libstdc++-v3/include/tr1/regex (working copy)
@@ -682,7 +682,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// special case of underscore in [[:w:]]
if (__c == __ctype.widen('_'))
{
- const char* const __wb[] = "w";
+ const char* const __wb[] = {"w"};
char_class_type __wt = this->lookup_classname(__wb,
__wb + sizeof(__wb));
if (__f | __wt)
@@ -692,7 +692,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// special case of [[:space:]] in [[:blank:]]
if (__c == __ctype.isspace(__c))
{
- const char* const __bb[] = "blank";
+ const char* const __bb[] = {"blank"};
char_class_type __bt = this->lookup_classname(__bb,
__bb + sizeof(__bb));
if (__f | __bt)
