crosstool-ng: patches/glibc/2.5.1/180-alpha-cfi.patch@a70abdbfa342

complibs/cloog: fix linking with libm

In Ubuntu 11.04 and 11.10, the default options for ld have changed.
--no-copy-dt-needed-entries and --as-needed are now enabled by default, which
causes errors like:

[EXTRA] Checking CLooG/ppl
[DEBUG] ==> Executing: 'make' '-j3' '-s' 'check'
[ALL ] Making check in .
[ALL ] config.status: creating include/cloog/cloog-config.h
[ALL ] config.status: include/cloog/cloog-config.h is unchanged
[ALL ] libtool: link: i686-build_pc-linux-gnu-gcc -Wall -fomit-frame-pointer
-pipe -o cloog cloog.o -L/<snip>/build/static/lib ./.libs/libcloog.a -lm
/<snip>/build/static/lib/libppl_c.a /<snip>/build/static/lib/libpwl.a
/<snip>/build/static/lib/libppl.a /<snip>/build/static/lib/libgmpxx.a
/<snip>/build/static/lib/libgmp.a -lstdc++
[ALL ] /usr/bin/ld: /<snip>/build/static/lib/libppl.a(MIP_Problem.o):
undefined reference to symbol 'sqrt@@GLIBC_2.0'
[ALL ] /usr/bin/ld: note: 'sqrt@@GLIBC_2.0' is defined in DSO
/usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libm.so so try adding
it to the linker command line
[ALL ] /usr/lib/gcc/i686-linux-gnu/4.6.1/../../../i386-linux-gnu/libm.so:
could not read symbols: Invalid operation
[ALL ] collect2: ld returned 1 exit status
[ERROR] make[2]: *** [cloog] Error 1
[ERROR] make[1]: *** [check-recursive] Error 1

See:
https://wiki.ubuntu.com/NattyNarwhal/ToolchainTransition

This patch fixes these errors by placing '-lm' at the right place on the command
line as libppl requires libm when linking cloog.

Signed-off-by: "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>

     1 --- libc/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h    2006/10/29 21:48:06     1.6

     2 +++ libc/nptl/sysdeps/unix/sysv/linux/alpha/sysdep-cancel.h    2007/03/13 21:28:03     1.7

     3 @@ -55,6 +55,7 @@

     4  	bne	a3, SYSCALL_ERROR_LABEL;			\

     5  __LABEL($pseudo_ret)						\

     6  	.subsection 2;						\

     7 +	cfi_startproc;						\

     8  __LABEL($pseudo_cancel)						\

     9  	subq	sp, 64, sp;					\

    10  	cfi_def_cfa_offset(64);					\

    11 @@ -90,12 +91,13 @@

    12  	cfi_def_cfa_offset(0);					\

    13  __LABEL($syscall_error)						\

    14  	SYSCALL_ERROR_HANDLER;					\

    15 +	cfi_endproc;						\

    16  	.previous

    18  # undef PSEUDO_END

    19  # define PSEUDO_END(sym)					\

    20 -	.subsection 2;						\

    21  	cfi_endproc;						\

    22 +	.subsection 2;						\

    23  	.size sym, .-sym

    25  # define SAVE_ARGS_0	/* Nothing.  */

author	"Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
	Fri Jan 27 13:31:16 2012 +0100 (2012-01-27)
changeset 2854	a70abdbfa342
parent 744	4bf8448536d5
permissions	-rw-r--r--