patches/gcc/4.2.0/140-uclibc-locale-wchar_fix.patch
author "Benoît Thébaudeau" <benoit.thebaudeau@advansee.com>
Fri Jan 27 13:31:16 2012 +0100 (2012-01-27)
changeset 2854 a70abdbfa342
parent 111 2e16b9fc302d
permissions -rw-r--r--
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>
yann@111
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--- gcc/libstdc++-v3/config/locale/uclibc/monetary_members.cc.uclibc200_wchar~	2006-03-10 15:32:37 +0100
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+++ gcc/libstdc++-v3/config/locale/uclibc/monetary_members.cc	2006-03-10 15:37:27 +0100
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@@ -401,7 +401,7 @@
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 # ifdef __UCLIBC_HAS_XLOCALE__
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 	  _M_data->_M_decimal_point = __cloc->decimal_point_wc;
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 	  _M_data->_M_thousands_sep = __cloc->thousands_sep_wc;
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-# else
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+# elif defined __UCLIBC_HAS_LOCALE__
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 	  _M_data->_M_decimal_point = __global_locale->decimal_point_wc;
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 	  _M_data->_M_thousands_sep = __global_locale->thousands_sep_wc;
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 # endif
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@@ -556,7 +556,7 @@
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 # ifdef __UCLIBC_HAS_XLOCALE__
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 	  _M_data->_M_decimal_point = __cloc->decimal_point_wc;
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 	  _M_data->_M_thousands_sep = __cloc->thousands_sep_wc;
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-# else
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+# elif defined __UCLIBC_HAS_LOCALE__
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 	  _M_data->_M_decimal_point = __global_locale->decimal_point_wc;
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 	  _M_data->_M_thousands_sep = __global_locale->thousands_sep_wc;
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 # endif
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--- gcc/libstdc++-v3/config/locale/uclibc/numeric_members.cc.uclibc200_wchar~	2006-03-10 15:32:37 +0100
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+++ gcc/libstdc++-v3/config/locale/uclibc/numeric_members.cc	2006-03-10 15:37:27 +0100
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@@ -127,12 +127,25 @@
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 	{
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 	  // Named locale.
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 	  // NB: In the GNU model wchar_t is always 32 bit wide.
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+#ifdef __UCLIBC_MJN3_ONLY__
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+#warning fix this... should be numeric
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+#endif
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+#ifdef __UCLIBC__
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+# ifdef __UCLIBC_HAS_XLOCALE__
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+	  _M_data->_M_decimal_point = __cloc->decimal_point_wc;
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+	  _M_data->_M_thousands_sep = __cloc->thousands_sep_wc;
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+# elif defined __UCLIBC_HAS_LOCALE__
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+	  _M_data->_M_decimal_point = __global_locale->decimal_point_wc;
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+	  _M_data->_M_thousands_sep = __global_locale->thousands_sep_wc;
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+# endif
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+#else
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 	  union { char *__s; wchar_t __w; } __u;
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 	  __u.__s = __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc);
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 	  _M_data->_M_decimal_point = __u.__w;
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 	  __u.__s = __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc);
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 	  _M_data->_M_thousands_sep = __u.__w;
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+#endif
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 	  if (_M_data->_M_thousands_sep == L'\0')
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 	    _M_data->_M_grouping = "";