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