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re PR driver/47390 (Linking with -export-dynamic broken) 

PR driver/47390
	* common.opt (export-dynamic): New Driver option.
	* gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.

From-SVN: r170253
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Joseph Myers 2011-02-17 18:35:41 +00:00 committed by Joseph Myers
parent 5437eaa69d
commit fa381cb2a1
3 changed files with 14 additions and 0 deletions
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gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-02-17 Joseph Myers <joseph@codesourcery.com>
PR driver/47390
* common.opt (export-dynamic): New Driver option.
* gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.
2011-02-17 Joseph Myers <joseph@codesourcery.com> 2011-02-17 Joseph Myers <joseph@codesourcery.com>
* config/rx/rx.h (LIB_SPEC): Match -msim not -msim*. * config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.

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gcc/common.opt
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@ -712,6 +712,13 @@ Driver
e e
Driver Joined Separate Driver Joined Separate
; This option has historically been passed down to the linker by an
; accident of a %{e*} spec, so ensure it continues to be passed down
; as a single option. The supported option for this purpose is
; -rdynamic. See PR 47390.
export-dynamic
Driver Undocumented
; The version of the C++ ABI in use. The following values are allowed: ; The version of the C++ ABI in use. The following values are allowed:
; ;
; 0: The version of the ABI believed most conformant with the C++ ABI ; 0: The version of the ABI believed most conformant with the C++ ABI

1
gcc/gcc.c
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@ -644,6 +644,7 @@ proper position among the other output files. */
directories. */ directories. */
/* We pass any -flto flags on to the linker, which is expected /* We pass any -flto flags on to the linker, which is expected
to understand them. In practice, this means it had better be collect2. */ to understand them. In practice, this means it had better be collect2. */
/* %{e*} includes -export-dynamic; see comment in common.opt. */
#ifndef LINK_COMMAND_SPEC #ifndef LINK_COMMAND_SPEC
#define LINK_COMMAND_SPEC "\ #define LINK_COMMAND_SPEC "\
%{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\ %{!fsyntax-only:%{!c:%{!M:%{!MM:%{!E:%{!S:\