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| author | Gabriel Dos Reis <gdr@integrable-solutions.net> | 2005-11-23 07:07:33 +0000 |
|---|---|---|
| committer | Gabriel Dos Reis <gdr@gcc.gnu.org> | 2005-11-23 07:07:33 +0000 |
| commit | b8b47f42511415601638a9efde76b54c39729c32 (patch) | |
| tree | 57cdce0dac387244542b1a40a789f1005b4896da /gcc/c-decl.c | |
| parent | 638c5a49dade942b12af632d1d298986a3cadb74 (diff) | |
| download | gcc-b8b47f42511415601638a9efde76b54c39729c32.zip gcc-b8b47f42511415601638a9efde76b54c39729c32.tar.gz gcc-b8b47f42511415601638a9efde76b54c39729c32.tar.bz2 | |
re PR c/21668 (gratuitous warning about "extern const" with initializer)
PR c/21668
* c-decl.c (grokdeclarator): Don't warn for 'extern const' when
compiling at the intersection of C and C++.
testsuite/
PR c/21668
* gcc.dg/Wc++-compat.c: New.
* gcc.dg/Wno-c++-compat.c: New.
From-SVN: r107401
Diffstat (limited to 'gcc/c-decl.c')
| -rw-r--r-- | gcc/c-decl.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c index 003b813..a86cfdc 100644 --- a/gcc/c-decl.c +++ b/gcc/c-decl.c @@ -4014,8 +4014,13 @@ grokdeclarator (const struct c_declarator *declarator, && !funcdef_flag) { /* 'extern' with initialization is invalid if not at file scope. */ - if (current_scope == file_scope) - warning (0, "%qs initialized and declared %<extern%>", name); + if (current_scope == file_scope) + { + /* It is fine to have 'extern const' when compiling at C + and C++ intersection. */ + if (!(warn_cxx_compat && constp)) + warning (0, "%qs initialized and declared %<extern%>", name); + } else error ("%qs has both %<extern%> and initializer", name); } |