CXXFLAGS="$STD $CXXFLAGS"
-# Checks for libraries.
-AC_CHECK_LIB([glog],[openlog],[],[AC_MSG_ERROR(
- [Please install google-glog library])])
-AC_CHECK_LIB([gflags],[getenv],[],[AC_MSG_ERROR(
- [Please install google-gflags library])])
+# Checks for glog and gflags
+# There are no symbols with C linkage, so we do a try-run
+AC_HAVE_LIBRARY([glog],[],[AC_MSG_ERROR(
+ [Please install google-glog library])])
+AC_CACHE_CHECK(
+ [for glog viability],
+ [folly_cv_prog_cc_glog],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <glog/logging.h>
+ int main(int argc, char** argv) {
+ google::InitGoogleLogging(argv[0]);
+ google::ShutdownGoogleLogging();
+ return 0;
+ }
+ ]],
+ [folly_cv_prog_cc_glog=yes],
+ [folly_cv_prog_cc_glog=no]
+ )]
+)
+
+if test "$folly_cv_prog_cc_glog" != "yes"; then
+ AC_MSG_ERROR(["libglog invalid, see config.log for details"])
+fi
+
+AC_HAVE_LIBRARY([gflags],[],[AC_MSG_ERROR(
+ [Please install google-gflags library])])
+AC_CACHE_CHECK(
+ [for gflags viability],
+ [folly_cv_prog_cc_gflags],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <gflags/gflags.h>
+ DEFINE_bool(folly_truthy, true, "Sample truthy flag");
+ DEFINE_bool(folly_falsey, false, "Sample falsey flag");
+ int main(int argc, char** argv) {
+ return (FLAGS_folly_truthy && !FLAGS_folly_falsey) ? 0 : 1;
+ }
+ ]],
+ [folly_cv_prog_cc_gflags=yes],
+ [folly_cv_prog_cc_gflags=no]
+ )]
+)
+
+if test "$folly_cv_prog_cc_gflags" != "yes"; then
+ AC_MSG_ERROR(["libgflags invalid, see config.log for details"])
+fi
AC_CHECK_LIB(ssl,
SSL_ctrl,
[AC_MSG_ERROR(["Error: libssl required"])])
# check for boost libs
-AX_BOOST_BASE([1.20.0], [], [AC_MSG_ERROR(
- [Please install boost >= 1.20.0 (thread, regex, and system)])])
+AX_BOOST_BASE([1.51.0], [], [AC_MSG_ERROR(
+ [Please install boost >= 1.51.0 (context, thread, program_options, regex, system and chrono)])])
+AX_BOOST_CONTEXT
+AX_BOOST_PROGRAM_OPTIONS
AX_BOOST_THREAD
AX_BOOST_REGEX
AX_BOOST_SYSTEM
AX_BOOST_FILESYSTEM
+AX_BOOST_CHRONO
+
+# Check for python interpreter
+AM_PATH_PYTHON
# Checks for header files.
AC_HEADER_STDC
-AC_CHECK_HEADERS([fcntl.h features.h inttypes.h limits.h stdint.h stdlib.h string.h sys/time.h unistd.h mutex.h malloc.h emmintrin.h byteswap.h bits/functexcept.h bits/c++config.h])
+AC_CHECK_HEADERS([fcntl.h features.h inttypes.h limits.h stdint.h stdlib.h string.h sys/time.h unistd.h mutex.h malloc.h byteswap.h bits/functexcept.h bits/c++config.h])
AC_CHECK_HEADER(double-conversion/double-conversion.h, [], [AC_MSG_ERROR(
[Couldn't find double-conversion.h, please download from \
- http://code.google.com/p/double-conversion/])], [])
+ https://github.com/google/double-conversion/])], [])
AC_CHECK_LIB([double-conversion],[ceil],[],[AC_MSG_ERROR(
[Please install double-conversion library])])
[folly_cv_lib_libcpp=no])])
if test "$folly_cv_lib_libcpp" = yes; then
- AC_DEFINE([USE_LIBCPP], [1], [Define to 1 if we're using libc++.])
+ 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 "$folly_cv_lib_libatomic" = no; then
+ AC_HAVE_LIBRARY([atomic],[],[AC_MSG_ERROR(
+ [Please install the GNU Atomic library])])
fi
AC_CACHE_CHECK(
[Define to 1 if the linker supports weak symbols.])
fi
+# Figure out whether the architecture supports unaligned reads
+AC_CACHE_CHECK(
+ [for unaligned reads support],
+ [folly_cv_prog_cc_unaligned_reads],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ int main(int argc, char** argv) {
+ char buf[64] = {0};
+ unsigned long *ptr = (unsigned long *)(buf + 1);
+ *ptr = 0xdeadbeef;
+ return (*ptr & 0xff) == 0xef ? 0 : 1;
+ }
+ ]],
+ [folly_cv_prog_cc_unaligned_reads=yes],
+ [folly_cv_prog_cc_unaligned_reads=no])])
+
+if test "$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_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <stdio.h>
+
+ int main(int argc, char** argv) {
+ char buf[256];
+ return vsnprintf(buf, sizeof(buf), "%", 1) < 0 ? 0 : 1;
+ }]],
+ [folly_cv_prog_vsnprintf_bad_format="yes"],
+ [folly_cv_prog_vsnprintf_bad_format="no"])])
+
+if test "$folly_cv_prog_vsnprintf_bad_format" = yes; then
+ AC_DEFINE([HAVE_VSNPRINTF_ERRORS], [1],
+ [Define to 1 if the vsnprintf supports returning errors on bad format strings.])
+fi
+
AC_SEARCH_LIBS([cplus_demangle_v3_callback], [iberty_pic iberty])
if test "$ac_cv_search_cplus_demangle_v3_callback" != "no" ; then
AC_DEFINE([HAVE_CPLUS_DEMANGLE_V3_CALLBACK], [1],
[Define to 1 if we support clock_gettime(2).]),
[])
+# Check for pthread_atfork(3). This is not in an AC_CHECK_FUNCS() because we
+# want to include pthread.h if necessary.
+AC_CACHE_CHECK(
+ [for pthread_atfork support],
+ [folly_cv_prog_cc_pthread_atfork],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <pthread.h>
+ void func() {pthread_atfork(NULL, NULL, NULL);}]
+ ],
+ [folly_cv_prog_cc_pthread_atfork=yes],
+ [folly_cv_prog_cc_pthread_atfork=no])])
+
+if test "$folly_cv_prog_cc_pthread_atfork" = "yes"; then
+ AC_DEFINE([HAVE_PTHREAD_ATFORK], [1], [Define to 1 if the compiler supports pthread_atfork])
+fi
+
+# Check for XSI-compatible strerror_r as default implementation
+AC_CACHE_CHECK(
+ [for XSI style strerror_r support],
+ [folly_cv_prog_cc_xsi_strerror_r],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <string.h>
+ #include <errno.h>
+ int main(int argc, char** argv) {
+ char buf[1024];
+ buf[0] = 0;
+ int ret = strerror_r(ENOMEM, buf, sizeof(buf));
+ return ret;
+ }
+ ]],
+ [folly_cv_prog_cc_xsi_strerror_r=yes],
+ [folly_cv_prog_cc_xsi_strerror_r=no])])
+
+if test "$folly_cv_prog_cc_xsi_strerror_r" = "yes"; then
+ 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 \
pow \
strerror \
pthread_yield \
- pthread_atfork \
malloc_size \
malloc_usable_size \
memrchr \
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$(top_srcdir)/..'
AM_CPPFLAGS="$AM_CPPFLAGS $BOOST_CPPFLAGS"
+AM_LDFLAGS="$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 $BOOST_CHRONO_LIB"
AC_SUBST([AM_CPPFLAGS])
AC_SUBST([AM_LDFLAGS])
AM_CONDITIONAL([HAVE_STD_THREAD], [test "$ac_cv_header_features" = "yes"])
AM_CONDITIONAL([HAVE_X86_64], [test "$build_cpu" = "x86_64"])
+AM_CONDITIONAL([HAVE_PPC64], [test "$build_cpu" = "powerpc64le"])
+AM_CONDITIONAL([RUN_ARCH_SPECIFIC_TESTS], [test "$build_cpu" = "x86_64" || test "$build_cpu" = "powerpc64le"])
AM_CONDITIONAL([HAVE_LINUX], [test "$build_os" == "linux-gnu"])
AM_CONDITIONAL([HAVE_WEAK_SYMBOLS],
[test "$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