# check for boost libs
AX_BOOST_BASE([1.51.0], [], [AC_MSG_ERROR(
- [Please install boost >= 1.51.0 (context, thread, program_options, regex, and system)])])
+ [Please install boost >= 1.51.0 (context, thread, program_options, regex, system and chrono)])])
AX_BOOST_CONTEXT
AX_BOOST_PROGRAM_OPTIONS
AX_BOOST_THREAD
AX_BOOST_REGEX
AX_BOOST_SYSTEM
AX_BOOST_FILESYSTEM
+AX_BOOST_CHRONO
# Check for python interpreter
AM_PATH_PYTHON
# Checks for header files.
AC_HEADER_STDC
-AC_CHECK_HEADERS([fcntl.h features.h inttypes.h limits.h stdint.h stdlib.h string.h sys/time.h unistd.h mutex.h malloc.h emmintrin.h byteswap.h bits/functexcept.h bits/c++config.h])
+AC_CHECK_HEADERS([fcntl.h features.h inttypes.h limits.h stdint.h stdlib.h string.h sys/time.h unistd.h mutex.h malloc.h byteswap.h bits/functexcept.h bits/c++config.h])
AC_CHECK_HEADER(double-conversion/double-conversion.h, [], [AC_MSG_ERROR(
[Couldn't find double-conversion.h, please download from \
AC_DEFINE([USE_LIBCPP], [1], [Define to 1 if we are using libc++.])
fi
+AC_CACHE_CHECK(
+ [for c++11 atomic support without GNU Atomic library],
+ [folly_cv_lib_libatomic],
+ [AC_LINK_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <atomic>
+ int main() {
+ struct Test { int val; };
+ std::atomic<Test> s;
+ s.is_lock_free();
+ }
+ ]],
+ [folly_cv_lib_libatomic=yes],
+ [folly_cv_lib_libatomic=no])])
+
+if test "$folly_cv_lib_libatomic" = no; then
+ AC_HAVE_LIBRARY([atomic],[],[AC_MSG_ERROR(
+ [Please install the GNU Atomic library])])
+fi
+
AC_CACHE_CHECK(
[for usable std::is_trivially_copyable],
[folly_cv_decl_std_is_trivially_copyable],
[Define to 1 if the linker supports weak symbols.])
fi
+# Figure out whether the architecture supports unaligned reads
+AC_CACHE_CHECK(
+ [for unaligned reads support],
+ [folly_cv_prog_cc_unaligned_reads],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ int main(int argc, char** argv) {
+ char buf[64] = {0};
+ unsigned long *ptr = (unsigned long *)(buf + 1);
+ *ptr = 0xdeadbeef;
+ return (*ptr & 0xff) == 0xef ? 0 : 1;
+ }
+ ]],
+ [folly_cv_prog_cc_unaligned_reads=yes],
+ [folly_cv_prog_cc_unaligned_reads=no])])
+
+if test "$folly_cv_prog_cc_unaligned_reads" = "yes"; then
+ AC_DEFINE([HAVE_UNALIGNED_READS], [1], [Define to 1 if the architecture allows unaligned reads])
+fi
+
AC_CACHE_CHECK(
[for vsnprintf reporting bad format strings],
[folly_cv_prog_vsnprintf_bad_format],
AC_DEFINE([HAVE_XSI_STRERROR_R], [1], [Define to 1 if the runtime supports XSI-style strerror_r])
fi
+AC_CACHE_CHECK(
+ [for ext/random and __gnu_cxx::sfmt19937],
+ [folly_cv_prog_cc_have_extrandom_sfmt19937],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <ext/random>
+ int main(int argc, char** argv) {
+ __gnu_cxx::sfmt19937 rng;
+ return 0;
+ }
+ ]],
+ [folly_cv_prog_cc_have_extrandom_sfmt19937=yes],
+ [folly_cv_prog_cc_have_extrandom_sfmt19937=no])])
+
+AC_CACHE_CHECK(
+ [for VLA (variable-length array) support],
+ [folly_cv_prog_cc_have_vla],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ int main(int argc, char** argv) {
+ unsigned size = argc;
+ char data[size];
+ return 0;
+ }
+ ]],
+ [folly_cv_prog_cc_have_vla=yes],
+ [folly_cv_prog_cc_have_vla=no])])
+
+test "$folly_cv_prog_cc_have_vla" = yes && have_vla=1 || have_vla=0
+AC_DEFINE_UNQUOTED(
+ [HAVE_VLA],
+ [$have_vla],
+ [Define to 1 if the compiler has VLA (variable-length array) support,
+ otherwise define to 0])
+
# Checks for library functions.
AC_CHECK_FUNCS([getdelim \
gettimeofday \
AC_CHECK_HEADER([snappy.h], AC_CHECK_LIB([snappy], [main]))
AC_CHECK_HEADER([zlib.h], AC_CHECK_LIB([z], [main]))
AC_CHECK_HEADER([lzma.h], AC_CHECK_LIB([lzma], [main]))
+AC_CHECK_HEADER([zstd.h], AC_CHECK_LIB([zstd], [main]))
# Include directory that contains "folly" so #include <folly/Foo.h> works
AM_CPPFLAGS='-I$(top_srcdir)/..'
AM_LDFLAGS="$AM_LDFLAGS $BOOST_CONTEXT_LIB $BOOST_PROGRAM_OPTIONS_LIB"
AM_LDFLAGS="$AM_LDFLAGS $BOOST_THREAD_LIB $BOOST_FILESYSTEM_LIB"
AM_LDFLAGS="$AM_LDFLAGS $BOOST_SYSTEM_LIB $BOOST_REGEX_LIB -lpthread"
+AM_LDFLAGS="$AM_LDFLAGS $BOOST_CHRONO_LIB"
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_LDFLAGS])
AM_CONDITIONAL([HAVE_WEAK_SYMBOLS],
[test "$folly_cv_prog_cc_weak_symbols" = "yes"])
AM_CONDITIONAL([HAVE_BITS_FUNCTEXCEPT], [test "$ac_cv_header_bits_functexcept_h" = "yes"])
+AM_CONDITIONAL([HAVE_EXTRANDOM_SFMT19937],
+ [test "$folly_cv_prog_cc_have_extrandom_sfmt19937" = "yes"])
# Output
AC_CONFIG_FILES([Makefile