# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.59)
-AC_INIT(folly, 0.1, folly@fb.com)
+
+m4_define([folly_version_str], m4_esyscmd_s([cat VERSION]))
+
+AC_INIT([folly], m4_translit(folly_version_str, [:], [.]), [folly@fb.com])
+
+# We assume all revisions are backwards incompatible.
+LT_VERSION=folly_version_str:0
+AC_SUBST([LT_VERSION])
+
AC_CONFIG_SRCDIR([Likely.h])
AC_CONFIG_HEADERS([config.h])
AX_PREFIX_CONFIG_H([folly-config.h], [folly], [config.h])
AC_CONFIG_AUX_DIR([build-aux])
-AM_INIT_AUTOMAKE([foreign dist-bzip2 nostdinc])
+AM_INIT_AUTOMAKE([foreign dist-bzip2 nostdinc subdir-objects])
AC_CONFIG_MACRO_DIR([m4])
+AX_CONFIG_FEATURE_DEFAULT_DISABLED
+AX_CONFIG_FEATURE(
+ [deprecated-assoc],
+ [supports deprecated associative containers (hash_map/hash_set)],
+ [HAVE_DEPRECATED_ASSOC],
+ [Define if you want to support deprecated associative containers])
+
AC_PROG_INSTALL
AM_PROG_LIBTOOL
AC_PROG_CC
AC_CXX_COMPILE_STDCXX_0X
-# 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])])
+# Be sure to add any -std option to CXXFLAGS before we invoke any
+# AC_COMPILE_IFELSE() or similar macros. Any such macros that are invoked
+# before we update CXXFLAGS will not be run with the same options that we use
+# during the real build.
+STD=""
+if test "x$ac_cv_cxx_compile_cxx0x_cxx" = xyes; then
+ STD="-std=c++0x"
+fi
+if test "x$ac_cv_cxx_compile_cxx0x_gxx" = xyes; then
+ STD="-std=gnu++0x"
+fi
+
+CXXFLAGS="$STD $CXXFLAGS"
+
+# Checks for glog and gflags
+# There are no symbols with C linkage, so we do a try-run
+AC_HAVE_LIBRARY([glog],[],[AC_MSG_ERROR(
+ [Please install google-glog library])])
+AC_CACHE_CHECK(
+ [for glog viability],
+ [folly_cv_prog_cc_glog],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <glog/logging.h>
+ int main(int argc, char** argv) {
+ google::InitGoogleLogging(argv[0]);
+ google::ShutdownGoogleLogging();
+ return 0;
+ }
+ ]],
+ [folly_cv_prog_cc_glog=yes],
+ [folly_cv_prog_cc_glog=no]
+ )]
+)
+
+if test "$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, regex, and system)])])
+AX_BOOST_CONTEXT
AX_BOOST_THREAD
AX_BOOST_REGEX
AX_BOOST_SYSTEM
+AX_BOOST_FILESYSTEM
+
+# 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])
+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_HEADER(double-conversion.h, [], [AC_MSG_ERROR(
+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/])], [])
-AC_CHECK_LIB([double_conversion_pic],[ceil],[],[AC_MSG_ERROR(
+ https://github.com/google/double-conversion/])], [])
+AC_CHECK_LIB([double-conversion],[ceil],[],[AC_MSG_ERROR(
[Please install double-conversion library])])
+AC_CHECK_LIB([event], [event_set], [], [AC_MSG_ERROR([Unable to find libevent])])
+
+AC_CHECK_LIB([jemalloc], [xallocx])
+
# Checks for typedefs, structures, and compiler characteristics.
AC_HEADER_STDBOOL
AC_C_CONST
AC_TYPE_SIZE_T
AC_HEADER_TIME
AC_C_VOLATILE
-AC_CHECK_TYPE([__int128],
- [AC_DEFINE([HAVE_INT128_T], [1], [Define if __int128 exists])],
- [AC_DEFINE([HAVE_INT128_T], [0], [Define if __int128 does not exist])])
-AC_CHECK_TYPES([ptrdiff_t])
-AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE[
- #pragma GCC diagnostic error "-Wattributes"
- extern "C" void (*test_ifunc(void))() { return 0; }
- void func() __attribute__((ifunc("test_ifunc")));]
- ],
- [AC_DEFINE([HAVE_IFUNC], [1], [Define to 1 if the compiler supports ifunc])],
- [AC_DEFINE([HAVE_IFUNC], [0], [Define to 0 if the compiler doesn't support ifunc])]
-)
-AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE[class C { virtual void f() final {} virtual void g() {} };
- class D : public C { virtual void g() override {} };]],
- [AC_DEFINE([FINAL], [final],
- [Define to "final" if the compiler supports C++11 "final"]),
- AC_DEFINE([OVERRIDE], [override],
- [Define to "override" if the compiler supports C++11 "override"])],
- [AC_DEFINE([FINAL], [],
- [Define to "final" if the compiler supports C++11 "final"]),
- AC_DEFINE([OVERRIDE], [],
- [Define to "override" if the compiler supports C++11 "override"])]
-)
+AC_CHECK_TYPE([__int128], AC_DEFINE([HAVE_INT128_T], [1], [Define if we have __int128]))
+AC_CHECK_TYPES([ptrdiff_t, pthread_spinlock_t])
-AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE[
- #include <thread>
- #include <chrono>
- void func() { std::this_thread::sleep_for(std::chrono::seconds(1)); }]],
- [AC_DEFINE([HAVE_STD__THIS_THREAD__SLEEP_FOR], [1],
- [Define to 1 if std::this_thread::sleep_for() is defined.])])
-
-AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE[
- #include <cstring>
- static constexpr int val = strlen("foo");]],
- [AC_DEFINE([HAVE_CONSTEXPR_STRLEN], [1],
- [Define to 1 if strlen(3) is constexpr.])])
-
-AC_COMPILE_IFELSE(
- [AC_LANG_SOURCE[
- #include <type_traits>
- #if !_LIBCPP_VERSION
- #error No libc++
- #endif
- void func() {}]
- ],
- [AC_DEFINE([USE_LIBCPP], [1], [Define to 1 if we're using libc++.])])
+AC_CACHE_CHECK(
+ [for ifunc support],
+ [folly_cv_prog_cc_ifunc],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #pragma GCC diagnostic error "-Wattributes"
+ extern "C" void (*test_ifunc(void))() { return 0; }
+ void func() __attribute__((ifunc("test_ifunc")));]
+ ],
+ [folly_cv_prog_cc_ifunc=yes],
+ [folly_cv_prog_cc_ifunc=no])])
+
+if test "$folly_cv_prog_cc_ifunc" = "yes"; then
+ AC_DEFINE([HAVE_IFUNC], [1], [Define to 1 if the compiler supports ifunc])
+fi
+
+AC_CACHE_CHECK(
+ [for final and override support],
+ [folly_cv_c_final_override],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[class C { virtual void f() final {} virtual void g() {} };
+ class D : public C { virtual void g() override {} };]],
+ [folly_cv_c_final_override=yes],
+ [folly_cv_c_final_override=no])])
+
+if test "$folly_cv_c_final_override" = "yes"; then
+ final_val=final
+ override_val=override
+else
+ final_val=
+ override_val=
+fi
+
+AC_DEFINE_UNQUOTED(
+ [FINAL], [$final_val],
+ [Define to "final" if the compiler supports C++11 "final"])
+AC_DEFINE_UNQUOTED(
+ [OVERRIDE], [$override_val],
+ [Define to "override" if the compiler supports C++11 "override"])
+
+AC_CACHE_CHECK(
+ [for std::this_thread::sleep_for],
+ [folly_cv_func_this_thread_sleep_for],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <thread>
+ #include <chrono>
+ void func() { std::this_thread::sleep_for(std::chrono::seconds(1)); }]],
+ [folly_cv_func_this_thread_sleep_for=yes],
+ [folly_cv_func_this_thread_sleep_for=no])])
+
+if test "$folly_cv_func_this_thread_sleep_for" = yes; then
+ AC_DEFINE([HAVE_STD__THIS_THREAD__SLEEP_FOR], [1],
+ [Define to 1 if std::this_thread::sleep_for() is defined.])
+fi
+
+AC_CACHE_CHECK(
+ [for constexpr strlen],
+ [folly_cv_func_constexpr_strlen],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <cstring>
+ static constexpr int val = strlen("foo");]],
+ [folly_cv_func_constexpr_strlen=yes],
+ [folly_cv_func_constexpr_strlen=no])])
+
+if test "$folly_cv_func_constexpr_strlen" = yes; then
+ AC_DEFINE([HAVE_CONSTEXPR_STRLEN], [1],
+ [Define to 1 if strlen(3) is constexpr.])
+fi
+
+AC_CACHE_CHECK(
+ [for libc++],
+ [folly_cv_lib_libcpp],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <type_traits>
+ #if !_LIBCPP_VERSION
+ #error No libc++
+ #endif
+ void func() {}]
+ ],
+ [folly_cv_lib_libcpp=yes],
+ [folly_cv_lib_libcpp=no])])
+
+if test "$folly_cv_lib_libcpp" = yes; then
+ AC_DEFINE([USE_LIBCPP], [1], [Define to 1 if we're using libc++.])
+fi
+
+AC_CACHE_CHECK(
+ [for usable std::is_trivially_copyable],
+ [folly_cv_decl_std_is_trivially_copyable],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <type_traits>
+ const bool val = std::is_trivially_copyable<bool>::value;]
+ ],
+ [folly_cv_decl_std_is_trivially_copyable=yes],
+ [folly_cv_decl_std_is_trivially_copyable=no])])
+
+if test "$folly_cv_decl_std_is_trivially_copyable" = yes; then
+ AC_DEFINE([HAVE_STD__IS_TRIVIALLY_COPYABLE], [1],
+ [Define to 1 if we have a usable std::is_trivially_copyable<T>
+ implementation.])
+fi
+
+AC_CACHE_CHECK(
+ [gflags namespace],
+ [folly_cv_decl_gflags_namespace],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <gflags/gflags.h>
+ void foo() { gflags::GetArgv(); }]
+ ],
+ [folly_cv_decl_gflags_namespace=gflags],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <gflags/gflags.h>
+ void foo() { google::GetArgv(); }]
+ ],
+ [folly_cv_decl_gflags_namespace=google],
+ [folly_cv_decl_gflags_namespace=error])])])
+
+if test "$folly_cv_decl_gflags_namespace" = error; then
+ AC_MSG_ERROR([Cannot determine gflags namespace])
+else
+ AC_DEFINE_UNQUOTED(
+ [GFLAGS_NAMESPACE], [$folly_cv_decl_gflags_namespace],
+ [Define to gflags namespace (usually "google" or "gflags")])
+ if test "$folly_cv_decl_gflags_namespace" != gflags; then
+ AC_DEFINE([UNUSUAL_GFLAGS_NAMESPACE], [1],
+ [Define to 1 if the gflags namespace is not "gflags"])
+ fi
+fi
+
+# Figure out if we support weak symbols. If not, we will link in some null
+# stubs for functions that would otherwise be weak.
+AC_CACHE_CHECK(
+ [for weak symbol support],
+ [folly_cv_prog_cc_weak_symbols],
+ [AC_LINK_IFELSE(
+ [AC_LANG_SOURCE[
+ extern "C" void configure_link_extern_weak_test() __attribute__((weak));
+ int main(int argc, char** argv) {
+ return configure_link_extern_weak_test == nullptr;
+ }]],
+ [folly_cv_prog_cc_weak_symbols="yes"],
+ [folly_cv_prog_cc_weak_symbols="no"])])
+
+if test "$folly_cv_prog_cc_weak_symbols" = yes; then
+ AC_DEFINE([HAVE_WEAK_SYMBOLS], [1],
+ [Define to 1 if the linker supports weak symbols.])
+fi
+
+AC_CACHE_CHECK(
+ [for vsnprintf reporting bad format strings],
+ [folly_cv_prog_vsnprintf_bad_format],
+ [AC_RUN_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <stdio.h>
+
+ int main(int argc, char** argv) {
+ char buf[256];
+ return vsnprintf(buf, sizeof(buf), "%", 1) < 0 ? 0 : 1;
+ }]],
+ [folly_cv_prog_vsnprintf_bad_format="yes"],
+ [folly_cv_prog_vsnprintf_bad_format="no"])])
+
+if test "$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 "$ac_cv_search_cplus_demangle_v3_callback" != "no" ; then
+ AC_DEFINE([HAVE_CPLUS_DEMANGLE_V3_CALLBACK], [1],
+ [Define to 1 if we have cplus_demangle_v3_callback.])
+fi
# Check for clock_gettime(2). This is not in an AC_CHECK_FUNCS() because we
# want to link with librt if necessary.
[Define to 1 if we support clock_gettime(2).]),
[])
+# Check for pthread_atfork(3). This is not in an AC_CHECK_FUNCS() because we
+# want to include pthread.h if necessary.
+AC_CACHE_CHECK(
+ [for pthread_atfork support],
+ [folly_cv_prog_cc_pthread_atfork],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_SOURCE[
+ #include <pthread.h>
+ void func() {pthread_atfork(NULL, NULL, NULL);}]
+ ],
+ [folly_cv_prog_cc_pthread_atfork=yes],
+ [folly_cv_prog_cc_pthread_atfork=no])])
+
+if test "$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 "$folly_cv_prog_cc_xsi_strerror_r" = "yes"; then
+ AC_DEFINE([HAVE_XSI_STRERROR_R], [1], [Define to 1 if the runtime supports XSI-style strerror_r])
+fi
+
# Checks for library functions.
AC_CHECK_FUNCS([getdelim \
gettimeofday \
pow \
strerror \
pthread_yield \
- rallocm \
malloc_size \
malloc_usable_size \
- memrchr])
+ memrchr \
+ pipe2])
if test "$ac_cv_func_pthread_yield" = "no"; then
AC_CHECK_HEADERS([sched.h])
AC_CHECK_FUNCS([sched_yield])
fi
-CXX_FLAGS=""
-if test "$ac_cv_cxx_compile_cxx0x_cxx" = yes; then
- CXX_FLAGS="-std=c++0x"
-fi
-if test "$ac_cv_cxx_compile_cxx0x_gxx" = yes; then
- CXX_FLAGS="-std=gnu++0x"
-fi
+AC_CHECK_HEADER([lz4.h], AC_CHECK_LIB([lz4], [LZ4_decompress_safe]))
+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]))
+
+# 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_THREAD_LIB $BOOST_FILESYSTEM_LIB"
+AM_LDFLAGS="$AM_LDFLAGS $BOOST_SYSTEM_LIB $BOOST_REGEX_LIB -lpthread"
-AC_SUBST(AM_CPPFLAGS, '-I../$(top_srcdir)'" "'-I$(top_srcdir)/io'" "'-I$(top_srcdir)/test'" $CXX_FLAGS $BOOST_CPPFLAGS")
-AC_SUBST(AM_LDFLAGS, "$BOOST_LDFLAGS $BOOST_THREAD_LIB $BOOST_SYSTEM_LIB $BOOST_REGEX_LIB -lpthread")
+AC_SUBST([AM_CPPFLAGS])
+AC_SUBST([AM_LDFLAGS])
AM_CONDITIONAL([HAVE_STD_THREAD], [test "$ac_cv_header_features" = "yes"])
AM_CONDITIONAL([HAVE_X86_64], [test "$build_cpu" = "x86_64"])
AM_CONDITIONAL([HAVE_LINUX], [test "$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"])
# Output
AC_CONFIG_FILES([Makefile