Blame sysdeps/sparc/configure.ac
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/sparc.
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# Check for a GCC emitting GOTDATA relocations.
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AC_CACHE_CHECK(for sparc gcc GOTDATA reloc support, libc_cv_sparc_gcc_gotdata, [dnl
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changequote(,)dnl
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cat > conftest.c <<\EOF
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int data;
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int foo(void)
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{
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return data;
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}
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EOF
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changequote([,])dnl
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dnl
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libc_cv_sparc_gcc_gotdata=no
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if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fPIC conftest.c 1>&AS_MESSAGE_LOG_FD); then
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if grep -q 'gdop_hix22' conftest.s \
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&& grep -q 'gdop_lox10' conftest.s; then
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libc_cv_sparc_gcc_gotdata=yes
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fi
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fi
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rm -f conftest*])
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if test $libc_cv_sparc_gcc_gotdata = yes; then
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AC_DEFINE(HAVE_GCC_GOTDATA)
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fi
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if test $libc_cv_sparc_gcc_gotdata = yes; then
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AC_DEFINE(PI_STATIC_AND_HIDDEN)
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fi
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