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fddec5c132
* m4/float_h.m4 (gl_FLOAT_H): Test conversion from 'int' to 'long double'. Set REPLACE_ITOLD. * lib/float.in.h (_Qp_itoq, _gl_float_fix_itold): New declarations. * lib/math.in.h (_Qp_itoq, _gl_math_fix_itold): New declarations. * lib/itold.c: New file. * modules/float (Files): Add lib/itold.c. (configure.ac): When REPLACE_ITOLD is 1, arrange to compile itold.c. (Makefile.am): Substitute REPLACE_ITOLD. * modules/math (Depends-on): Add float. (Makefile.am): Substitute REPLACE_ITOLD. * doc/posix-headers/float.texi: Mention problem on Linux/SPARC64. * doc/posix-headers/math.texi: Likewise. * doc/posix-functions/logl.texi: Likewise.
54 lines
1.1 KiB
Plaintext
54 lines
1.1 KiB
Plaintext
Description:
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A correct <float.h>.
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Files:
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lib/float.in.h
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lib/float.c
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lib/itold.c
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m4/float_h.m4
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Depends-on:
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include_next
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configure.ac:
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gl_FLOAT_H
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if test $REPLACE_FLOAT_LDBL = 1; then
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AC_LIBOBJ([float])
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fi
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if test $REPLACE_ITOLD = 1; then
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AC_LIBOBJ([itold])
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fi
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Makefile.am:
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BUILT_SOURCES += $(FLOAT_H)
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# We need the following in order to create <float.h> when the system
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# doesn't have one that works with the given compiler.
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if GL_GENERATE_FLOAT_H
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float.h: float.in.h $(top_builddir)/config.status
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$(AM_V_GEN)rm -f $@-t $@ && \
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{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */' && \
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sed -e 's|@''GUARD_PREFIX''@|${gl_include_guard_prefix}|g' \
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-e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
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-e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
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-e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
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-e 's|@''NEXT_FLOAT_H''@|$(NEXT_FLOAT_H)|g' \
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-e 's|@''REPLACE_ITOLD''@|$(REPLACE_ITOLD)|g' \
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< $(srcdir)/float.in.h; \
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} > $@-t && \
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mv $@-t $@
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else
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float.h: $(top_builddir)/config.status
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rm -f $@
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endif
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MOSTLYCLEANFILES += float.h float.h-t
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Include:
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<float.h>
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License:
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LGPLv2+
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Maintainer:
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all
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