remainderf-ieee: Work around test failure on OSF/1. * m4/remainderf-ieee.m4: New file. * m4/remainderf.m4 (gl_FUNC_REMAINDERF): If gl_FUNC_REMAINDERF_IEEE is present, test whether remainderf works with a zero second argument. Replace it if not. * lib/math.in.h (remainderf): Override if REPLACE_REMAINDERF is 1. * m4/math_h.m4 (gl_MATH_H_DEFAULTS): Initialize REPLACE_REMAINDERF. * modules/math (Makefile.am): Substitute REPLACE_REMAINDERF. * modules/remainderf (configure.ac): Consider REPLACE_REMAINDERF. (Depends-on): Update conditions. * modules/remainderf-ieee (Files): Add m4/remainderf-ieee.m4. (Depends-on): Add remainder-ieee. (configure.ac): Invoke gl_FUNC_REMAINDERF_IEEE. * doc/posix-functions/remainderf.texi: Mention the remainderf-ieee module.

Description:
A <stdalign.h> that nearly conforms to ISO C11 and C++11.

Files:
lib/stdalign.in.h
m4/stdalign.m4

Depends-on:

configure.ac:
gl_STDALIGN_H

Makefile.am:
BUILT_SOURCES += $(STDALIGN_H)

# We need the following in order to create <stdalign.h> when the system
# doesn't have one that works.
if GL_GENERATE_STDALIGN_H
stdalign.h: stdalign.in.h $(top_builddir)/config.status
	$(AM_V_GEN)rm -f $@-t $@ && \
	{ echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
	  cat $(srcdir)/stdalign.in.h; \
	} > $@-t && \
	mv $@-t $@
else
stdalign.h: $(top_builddir)/config.status
	rm -f $@
endif
MOSTLYCLEANFILES += stdalign.h stdalign.h-t

Include:
<stdalign.h>

License:
LGPLv2+

Maintainer:
Paul Eggert, Bruno Haible