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Description:
Compute cyclic redundancy codes.
Files:
lib/crc.h
lib/crc.c
lib/crc-generate-table.c
m4/crc.m4
m4/build-cc.m4
Depends-on:
stdint-h
endian
configure.ac:
AC_REQUIRE([gl_CRC_SLICE_BY_8])
gl_BUILD_CC
AC_PROG_MKDIR_P
Makefile.am:
lib_SOURCES += crc.c
# Generate crc-sliceby8.h.
# Use a native compiler when cross-compiling.
# Don't use any Gnulib modules (since libgnu.a will only be available after
# this directory is built!). Therefore, don't use any of the Automake variables
# $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(AM_CFLAGS)
# $(AM_LDFLAGS). And do the compilation in a temporary directory, where
# gnulib-generated stdio.h and stdlib.h files are not visible.
$(srcdir)/crc-sliceby8.h: $(srcdir)/crc-generate-table.c
$(AM_V_GEN)if test -n '$(BUILD_CC)'; then \
$(MKDIR_P) '%reldir%/crc-tmp' \
&& abs_srcdir=`cd $(srcdir)/. && pwd` \
&& (cd '%reldir%/crc-tmp' \
&& $(BUILD_CC) $(BUILD_CPPFLAGS) $(BUILD_CFLAGS) $(BUILD_LDFLAGS) -o crc-generate-table $$abs_srcdir/crc-generate-table.c) \
&& '%reldir%/crc-tmp/crc-generate-table' $(srcdir)/crc-sliceby8.h-t \
&& rm -rf '%reldir%/crc-tmp' \
&& mv $(srcdir)/crc-sliceby8.h-t $(srcdir)/crc-sliceby8.h; \
fi
BUILT_SOURCES += crc-sliceby8.h
MOSTLYCLEANFILES += crc-sliceby8.h-t crc-tmp/crc-generate-table
MOSTLYCLEANDIRS += crc-tmp
MAINTAINERCLEANFILES += crc-sliceby8.h
EXTRA_DIST += crc-sliceby8.h
Include:
"crc.h"
License:
LGPL
Maintainer:
Simon Josefsson
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