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78 lines
2.1 KiB
78 lines
2.1 KiB
m4_define([cityhash_major], [1])
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m4_define([cityhash_minor], [1])
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m4_define([cityhash_patchlevel], [1])
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# Libtool shared library interface versions (current:revision:age)
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# Update this value for every release! (A:B:C will map to foo.so.(A-C).C.B)
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# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
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m4_define([cityhash_ltversion], [4:0:0])
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AC_PREREQ([2.65])
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AC_INIT([CityHash], [cityhash_major.cityhash_minor.cityhash_patchlevel], [cityhash-discuss@googlegroups.com])
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AC_CONFIG_HEADERS([config.h])
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AM_INIT_AUTOMAKE([1.10 no-define foreign])
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LT_PREREQ([2.2])
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LT_INIT
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AC_CONFIG_FILES([Makefile
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src/Makefile])
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AC_CONFIG_SRCDIR([src/city.h])
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AC_CONFIG_MACRO_DIR([m4])
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AC_ARG_ENABLE([sse4.2],
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AS_HELP_STRING("Build CityHash variants that depend on the _mm_crc32_u64 intrinsic."),
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[ cityhash_sse42=true ],
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[])
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AM_CONDITIONAL([SSE42], [test x$cityhash_sse42 = xtrue ])
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# Checks for programs.
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AC_PROG_CXX
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AC_LANG([C++])
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AC_C_BIGENDIAN
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# Checks for libraries.
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# Checks for header files.
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AC_CHECK_HEADERS([stdint.h stdlib.h])
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# Checks for typedefs, structures, and compiler characteristics.
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AC_C_INLINE
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AC_TYPE_SIZE_T
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AC_TYPE_SSIZE_T
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AC_TYPE_UINT32_T
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AC_TYPE_UINT64_T
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AC_TYPE_UINT8_T
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# Check for __builtin_expect
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AC_MSG_CHECKING([if the compiler supports __builtin_expect])
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AC_COMPILE_IFELSE(
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[AC_LANG_PROGRAM(, [[return __builtin_expect(1, 1) ? 1 : 0;]])],
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[
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cityhash_have_builtin_expect=yes
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AC_MSG_RESULT([yes])
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], [
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cityhash_have_builtin_expect=no
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AC_MSG_RESULT([no])
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])
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if test x$cityhash_have_builtin_expect = xyes ; then
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AC_DEFINE([HAVE_BUILTIN_EXPECT], [1], [Define to 1 if the compiler supports __builtin_expect.])
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fi
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AC_OUTPUT
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echo \
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"-------------------------------------------------
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${PACKAGE_NAME} Version ${PACKAGE_VERSION}
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Prefix: '${prefix}'.
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Compiler: '${CXX} ${CXXFLAGS}'
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Now type 'make @<:@<target>@:>@'
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where the optional <target> is:
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all - build everything
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check - build and run tests
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install - install everything
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--------------------------------------------------"
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