patches/gcc/4.2.3/180-c99-snprintf.patch
author |
"Benoît Thébaudeau" <benoit.thebaudeau@advansee.com> |
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Fri Jan 27 13:31:16 2012 +0100 (2012-01-27) |
changeset 2854 |
a70abdbfa342 |
parent 431 |
8bde4c6ea47a
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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@313
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diff -durN gcc-4.2.1.orig/libstdc++-v3/include/c_std/std_cstdio.h gcc-4.2.1/libstdc++-v3/include/c_std/std_cstdio.h
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yann@313
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--- gcc-4.2.1.orig/libstdc++-v3/include/c_std/std_cstdio.h 2006-12-07 10:33:51.000000000 +0100
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yann@313
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+++ gcc-4.2.1/libstdc++-v3/include/c_std/std_cstdio.h 2007-08-03 20:33:24.000000000 +0200
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yann@313
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@@ -144,7 +144,7 @@
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yann@313
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yann@313
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_GLIBCXX_END_NAMESPACE
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yann@313
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yann@313
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-#if _GLIBCXX_USE_C99
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yann@313
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+#if _GLIBCXX_USE_C99 || defined(__UCLIBC__)
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yann@313
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yann@313
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#undef snprintf
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yann@313
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#undef vfscanf
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