diff options
| author | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-02-16 23:29:10 +0000 |
|---|---|---|
| committer | jsm28 <jsm28@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-02-16 23:29:10 +0000 |
| commit | ee085235e033c00f8164ab81102ccbad369162ee (patch) | |
| tree | 2c090d6408195e6db383a030c30ebbadea6777e4 /gcc/config/linux.h | |
| parent | 6cbfba8c8ec04e8d15f85b61ffaa828a10bd5604 (diff) | |
| download | gcc-ee085235e033c00f8164ab81102ccbad369162ee.tar.gz | |
gcc:
PR target/20353
PR target/24578
PR target/24837
* config/linux.opt: New file.
* config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
LINUX_DYNAMIC_LINKER): Define.
(TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
* config.gcc (*-*-linux*): Define extra_options.
(*-*-*uclibc*): Define UCLIBC_DEFAULT.
(arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
* config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
GLIBC_DYNAMIC_LINKER.
* config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
(LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
(LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
* doc/invoke.texi (GNU/Linux Options): New section.
gcc/testsuite:
* gcc.dg/builtins-config.h (HAVE_C99_RUNTIME): Don't define if
__UCLIBC__ is defined.
libstdc++-v3:
PR libstdc++/14939
* config/os/uclibc/ctype_base.h, config/os/uclibc/ctype_inline.h,
config/os/uclibc/ctype_noninline.h, config/os/uclibc/os_defines.h:
New.
* acinclude.m4 (GLIBCXX_CONFIGURE): Test whether using uClibc.
* configure.host: Use os/uclibc for uClibc.
* crossconfig.m4 (*-linux*): Use link tests. Don't hardcode
presence of math functions.
* configure: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@111160 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/config/linux.h')
| -rw-r--r-- | gcc/config/linux.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/gcc/config/linux.h b/gcc/config/linux.h index d4527268970..e5707d39623 100644 --- a/gcc/config/linux.h +++ b/gcc/config/linux.h @@ -1,5 +1,5 @@ /* Definitions for Linux-based GNU systems with ELF format - Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004 + Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. Contributed by Eric Youngdale. Modified for stabs-in-ELF by H.J. Lu (hjl@lucon.org). @@ -99,8 +99,24 @@ Boston, MA 02110-1301, USA. */ #define USE_LD_AS_NEEDED 1 #endif +/* Determine which dynamic linker to use depending on whether GLIBC or + uClibc is the default C library and whether -muclibc or -mglibc has + been passed to change the default. */ +#ifdef UCLIBC_DEFAULT +#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}" +#else +#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}" +#endif + +/* For most targets with a single dynamic linker the following + definitions suffice; GLIBC_DYNAMIC_LINKER must be defined for each + target using them. */ +#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0" +#define LINUX_DYNAMIC_LINKER \ + CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER) + /* Determine whether the entire c99 runtime is present in the runtime library. */ -#define TARGET_C99_FUNCTIONS 1 +#define TARGET_C99_FUNCTIONS (TARGET_GLIBC) #define TARGET_POSIX_IO |